(self["webpackChunkbrowser_extension"] = self["webpackChunkbrowser_extension"] || []).push([[367],{

/***/ 9224:
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "c": () => (/* binding */ log)
/* harmony export */ });
/**
 * This file is part of Adguard Browser Extension (https://github.com/AdguardTeam/AdguardBrowserExtension).
 *
 * Adguard Browser Extension is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Adguard Browser Extension is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Adguard Browser Extension. If not, see <http://www.gnu.org/licenses/>.
 */

/* eslint-disable no-console */

/**
 * Simple logger with log levels
 */
const log = (() => {
  // Redefine if you need it
  const CURRENT_LEVEL = 'INFO';
  const LEVELS = {
    ERROR: 1,
    WARN: 2,
    INFO: 3,
    DEBUG: 4
  };
  /**
   * Pretty-print javascript error
   */

  const errorToString = function (error) {
    return `${error.toString()}\nStack trace:\n${error.stack}`;
  };

  const getLocalTimeString = date => {
    const ONE_MINUTE_MS = 60 * 1000;
    const timeZoneOffsetMs = date.getTimezoneOffset() * ONE_MINUTE_MS;
    const localTime = new Date(date - timeZoneOffsetMs);
    return localTime.toISOString().replace('Z', '');
  };
  /**
   * Prints log message
   */


  const print = function (level, method, args) {
    // check log level
    if (LEVELS[CURRENT_LEVEL] < LEVELS[level]) {
      return;
    }

    if (!args || args.length === 0 || !args[0]) {
      return;
    }

    const str = `${args[0]}`;
    args = Array.prototype.slice.call(args, 1);
    let formatted = str.replace(/{(\d+)}/g, (match, number) => {
      if (typeof args[number] !== 'undefined') {
        let value = args[number];

        if (value instanceof Error) {
          value = errorToString(value);
        } else if (value && value.message) {
          value = value.message;
        } else if (typeof value === 'object') {
          value = JSON.stringify(value);
        }

        return value;
      }

      return match;
    });
    formatted = `${getLocalTimeString(new Date())}: ${formatted}`;
    console[method](formatted);
  };
  /**
   * Expose public API
   */


  return {
    debug(...args) {
      print('DEBUG', 'log', args);
    },

    info(...args) {
      print('INFO', 'info', args);
    },

    warn(...args) {
      print('WARN', 'info', args);
    },

    error(...args) {
      print('ERROR', 'error', args);
    }

  };
})();

/***/ }),

/***/ 34340:
/***/ ((__unused_webpack_module, __webpack_exports__, __webpack_require__) => {

"use strict";

// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  "M": () => (/* reexport */ Editor)
});

// EXTERNAL MODULE: ./node_modules/react/index.js
var react = __webpack_require__(70846);
// EXTERNAL MODULE: ./node_modules/react-dom/index.js
var react_dom = __webpack_require__(76644);
;// CONCATENATED MODULE: ./node_modules/react-resize-detector/build/index.esm.js
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise */

var extendStatics = function(d, b) {
    extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
    return extendStatics(d, b);
};

function __extends(d, b) {
    if (typeof b !== "function" && b !== null)
        throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
    extendStatics(d, b);
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}

var __assign = function() {
    __assign = Object.assign || function __assign(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};

function __rest(s, e) {
    var t = {};
    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
        t[p] = s[p];
    if (s != null && typeof Object.getOwnPropertySymbols === "function")
        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
                t[p[i]] = s[p[i]];
        }
    return t;
}var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof __webpack_require__.g !== 'undefined' ? __webpack_require__.g : typeof self !== 'undefined' ? self : {};/**
 * Checks if `value` is the
 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(_.noop);
 * // => true
 *
 * _.isObject(null);
 * // => false
 */

function isObject$3(value) {
  var type = typeof value;
  return value != null && (type == 'object' || type == 'function');
}

var isObject_1 = isObject$3;/** Detect free variable `global` from Node.js. */

var freeGlobal$1 = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;

var _freeGlobal = freeGlobal$1;var freeGlobal = _freeGlobal;

/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

/** Used as a reference to the global object. */
var root$2 = freeGlobal || freeSelf || Function('return this')();

var _root = root$2;var root$1 = _root;

/**
 * Gets the timestamp of the number of milliseconds that have elapsed since
 * the Unix epoch (1 January 1970 00:00:00 UTC).
 *
 * @static
 * @memberOf _
 * @since 2.4.0
 * @category Date
 * @returns {number} Returns the timestamp.
 * @example
 *
 * _.defer(function(stamp) {
 *   console.log(_.now() - stamp);
 * }, _.now());
 * // => Logs the number of milliseconds it took for the deferred invocation.
 */
var now$1 = function() {
  return root$1.Date.now();
};

var now_1 = now$1;/** Used to match a single whitespace character. */

var reWhitespace = /\s/;

/**
 * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace
 * character of `string`.
 *
 * @private
 * @param {string} string The string to inspect.
 * @returns {number} Returns the index of the last non-whitespace character.
 */
function trimmedEndIndex$1(string) {
  var index = string.length;

  while (index-- && reWhitespace.test(string.charAt(index))) {}
  return index;
}

var _trimmedEndIndex = trimmedEndIndex$1;var trimmedEndIndex = _trimmedEndIndex;

/** Used to match leading whitespace. */
var reTrimStart = /^\s+/;

/**
 * The base implementation of `_.trim`.
 *
 * @private
 * @param {string} string The string to trim.
 * @returns {string} Returns the trimmed string.
 */
function baseTrim$1(string) {
  return string
    ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '')
    : string;
}

var _baseTrim = baseTrim$1;var root = _root;

/** Built-in value references. */
var Symbol$2 = root.Symbol;

var _Symbol = Symbol$2;var Symbol$1 = _Symbol;

/** Used for built-in method references. */
var objectProto$1 = Object.prototype;

/** Used to check objects for own properties. */
var index_esm_hasOwnProperty = objectProto$1.hasOwnProperty;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString$1 = objectProto$1.toString;

/** Built-in value references. */
var symToStringTag$1 = Symbol$1 ? Symbol$1.toStringTag : undefined;

/**
 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the raw `toStringTag`.
 */
function getRawTag$1(value) {
  var isOwn = index_esm_hasOwnProperty.call(value, symToStringTag$1),
      tag = value[symToStringTag$1];

  try {
    value[symToStringTag$1] = undefined;
    var unmasked = true;
  } catch (e) {}

  var result = nativeObjectToString$1.call(value);
  if (unmasked) {
    if (isOwn) {
      value[symToStringTag$1] = tag;
    } else {
      delete value[symToStringTag$1];
    }
  }
  return result;
}

var _getRawTag = getRawTag$1;/** Used for built-in method references. */

var objectProto = Object.prototype;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/**
 * Converts `value` to a string using `Object.prototype.toString`.
 *
 * @private
 * @param {*} value The value to convert.
 * @returns {string} Returns the converted string.
 */
function objectToString$1(value) {
  return nativeObjectToString.call(value);
}

var _objectToString = objectToString$1;var Symbol = _Symbol,
    getRawTag = _getRawTag,
    objectToString = _objectToString;

/** `Object#toString` result references. */
var nullTag = '[object Null]',
    undefinedTag = '[object Undefined]';

/** Built-in value references. */
var symToStringTag = Symbol ? Symbol.toStringTag : undefined;

/**
 * The base implementation of `getTag` without fallbacks for buggy environments.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
function baseGetTag$1(value) {
  if (value == null) {
    return value === undefined ? undefinedTag : nullTag;
  }
  return (symToStringTag && symToStringTag in Object(value))
    ? getRawTag(value)
    : objectToString(value);
}

var _baseGetTag = baseGetTag$1;/**
 * Checks if `value` is object-like. A value is object-like if it's not `null`
 * and has a `typeof` result of "object".
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 * @example
 *
 * _.isObjectLike({});
 * // => true
 *
 * _.isObjectLike([1, 2, 3]);
 * // => true
 *
 * _.isObjectLike(_.noop);
 * // => false
 *
 * _.isObjectLike(null);
 * // => false
 */

function isObjectLike$1(value) {
  return value != null && typeof value == 'object';
}

var isObjectLike_1 = isObjectLike$1;var baseGetTag = _baseGetTag,
    isObjectLike = isObjectLike_1;

/** `Object#toString` result references. */
var symbolTag = '[object Symbol]';

/**
 * Checks if `value` is classified as a `Symbol` primitive or object.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
 * @example
 *
 * _.isSymbol(Symbol.iterator);
 * // => true
 *
 * _.isSymbol('abc');
 * // => false
 */
function isSymbol$1(value) {
  return typeof value == 'symbol' ||
    (isObjectLike(value) && baseGetTag(value) == symbolTag);
}

var isSymbol_1 = isSymbol$1;var baseTrim = _baseTrim,
    isObject$2 = isObject_1,
    isSymbol = isSymbol_1;

/** Used as references for various `Number` constants. */
var NAN = 0 / 0;

/** Used to detect bad signed hexadecimal string values. */
var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;

/** Used to detect binary string values. */
var reIsBinary = /^0b[01]+$/i;

/** Used to detect octal string values. */
var reIsOctal = /^0o[0-7]+$/i;

/** Built-in method references without a dependency on `root`. */
var freeParseInt = parseInt;

/**
 * Converts `value` to a number.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to process.
 * @returns {number} Returns the number.
 * @example
 *
 * _.toNumber(3.2);
 * // => 3.2
 *
 * _.toNumber(Number.MIN_VALUE);
 * // => 5e-324
 *
 * _.toNumber(Infinity);
 * // => Infinity
 *
 * _.toNumber('3.2');
 * // => 3.2
 */
function toNumber$1(value) {
  if (typeof value == 'number') {
    return value;
  }
  if (isSymbol(value)) {
    return NAN;
  }
  if (isObject$2(value)) {
    var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
    value = isObject$2(other) ? (other + '') : other;
  }
  if (typeof value != 'string') {
    return value === 0 ? value : +value;
  }
  value = baseTrim(value);
  var isBinary = reIsBinary.test(value);
  return (isBinary || reIsOctal.test(value))
    ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
    : (reIsBadHex.test(value) ? NAN : +value);
}

var toNumber_1 = toNumber$1;var isObject$1 = isObject_1,
    now = now_1,
    toNumber = toNumber_1;

/** Error message constants. */
var FUNC_ERROR_TEXT$1 = 'Expected a function';

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeMax = Math.max,
    nativeMin = Math.min;

/**
 * Creates a debounced function that delays invoking `func` until after `wait`
 * milliseconds have elapsed since the last time the debounced function was
 * invoked. The debounced function comes with a `cancel` method to cancel
 * delayed `func` invocations and a `flush` method to immediately invoke them.
 * Provide `options` to indicate whether `func` should be invoked on the
 * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
 * with the last arguments provided to the debounced function. Subsequent
 * calls to the debounced function return the result of the last `func`
 * invocation.
 *
 * **Note:** If `leading` and `trailing` options are `true`, `func` is
 * invoked on the trailing edge of the timeout only if the debounced function
 * is invoked more than once during the `wait` timeout.
 *
 * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
 * until to the next tick, similar to `setTimeout` with a timeout of `0`.
 *
 * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
 * for details over the differences between `_.debounce` and `_.throttle`.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Function
 * @param {Function} func The function to debounce.
 * @param {number} [wait=0] The number of milliseconds to delay.
 * @param {Object} [options={}] The options object.
 * @param {boolean} [options.leading=false]
 *  Specify invoking on the leading edge of the timeout.
 * @param {number} [options.maxWait]
 *  The maximum time `func` is allowed to be delayed before it's invoked.
 * @param {boolean} [options.trailing=true]
 *  Specify invoking on the trailing edge of the timeout.
 * @returns {Function} Returns the new debounced function.
 * @example
 *
 * // Avoid costly calculations while the window size is in flux.
 * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
 *
 * // Invoke `sendMail` when clicked, debouncing subsequent calls.
 * jQuery(element).on('click', _.debounce(sendMail, 300, {
 *   'leading': true,
 *   'trailing': false
 * }));
 *
 * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
 * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
 * var source = new EventSource('/stream');
 * jQuery(source).on('message', debounced);
 *
 * // Cancel the trailing debounced invocation.
 * jQuery(window).on('popstate', debounced.cancel);
 */
function debounce$1(func, wait, options) {
  var lastArgs,
      lastThis,
      maxWait,
      result,
      timerId,
      lastCallTime,
      lastInvokeTime = 0,
      leading = false,
      maxing = false,
      trailing = true;

  if (typeof func != 'function') {
    throw new TypeError(FUNC_ERROR_TEXT$1);
  }
  wait = toNumber(wait) || 0;
  if (isObject$1(options)) {
    leading = !!options.leading;
    maxing = 'maxWait' in options;
    maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
    trailing = 'trailing' in options ? !!options.trailing : trailing;
  }

  function invokeFunc(time) {
    var args = lastArgs,
        thisArg = lastThis;

    lastArgs = lastThis = undefined;
    lastInvokeTime = time;
    result = func.apply(thisArg, args);
    return result;
  }

  function leadingEdge(time) {
    // Reset any `maxWait` timer.
    lastInvokeTime = time;
    // Start the timer for the trailing edge.
    timerId = setTimeout(timerExpired, wait);
    // Invoke the leading edge.
    return leading ? invokeFunc(time) : result;
  }

  function remainingWait(time) {
    var timeSinceLastCall = time - lastCallTime,
        timeSinceLastInvoke = time - lastInvokeTime,
        timeWaiting = wait - timeSinceLastCall;

    return maxing
      ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
      : timeWaiting;
  }

  function shouldInvoke(time) {
    var timeSinceLastCall = time - lastCallTime,
        timeSinceLastInvoke = time - lastInvokeTime;

    // Either this is the first call, activity has stopped and we're at the
    // trailing edge, the system time has gone backwards and we're treating
    // it as the trailing edge, or we've hit the `maxWait` limit.
    return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
      (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
  }

  function timerExpired() {
    var time = now();
    if (shouldInvoke(time)) {
      return trailingEdge(time);
    }
    // Restart the timer.
    timerId = setTimeout(timerExpired, remainingWait(time));
  }

  function trailingEdge(time) {
    timerId = undefined;

    // Only invoke if we have `lastArgs` which means `func` has been
    // debounced at least once.
    if (trailing && lastArgs) {
      return invokeFunc(time);
    }
    lastArgs = lastThis = undefined;
    return result;
  }

  function cancel() {
    if (timerId !== undefined) {
      clearTimeout(timerId);
    }
    lastInvokeTime = 0;
    lastArgs = lastCallTime = lastThis = timerId = undefined;
  }

  function flush() {
    return timerId === undefined ? result : trailingEdge(now());
  }

  function debounced() {
    var time = now(),
        isInvoking = shouldInvoke(time);

    lastArgs = arguments;
    lastThis = this;
    lastCallTime = time;

    if (isInvoking) {
      if (timerId === undefined) {
        return leadingEdge(lastCallTime);
      }
      if (maxing) {
        // Handle invocations in a tight loop.
        clearTimeout(timerId);
        timerId = setTimeout(timerExpired, wait);
        return invokeFunc(lastCallTime);
      }
    }
    if (timerId === undefined) {
      timerId = setTimeout(timerExpired, wait);
    }
    return result;
  }
  debounced.cancel = cancel;
  debounced.flush = flush;
  return debounced;
}

var debounce_1 = debounce$1;var debounce = debounce_1,
    isObject = isObject_1;

/** Error message constants. */
var FUNC_ERROR_TEXT = 'Expected a function';

/**
 * Creates a throttled function that only invokes `func` at most once per
 * every `wait` milliseconds. The throttled function comes with a `cancel`
 * method to cancel delayed `func` invocations and a `flush` method to
 * immediately invoke them. Provide `options` to indicate whether `func`
 * should be invoked on the leading and/or trailing edge of the `wait`
 * timeout. The `func` is invoked with the last arguments provided to the
 * throttled function. Subsequent calls to the throttled function return the
 * result of the last `func` invocation.
 *
 * **Note:** If `leading` and `trailing` options are `true`, `func` is
 * invoked on the trailing edge of the timeout only if the throttled function
 * is invoked more than once during the `wait` timeout.
 *
 * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
 * until to the next tick, similar to `setTimeout` with a timeout of `0`.
 *
 * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
 * for details over the differences between `_.throttle` and `_.debounce`.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Function
 * @param {Function} func The function to throttle.
 * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
 * @param {Object} [options={}] The options object.
 * @param {boolean} [options.leading=true]
 *  Specify invoking on the leading edge of the timeout.
 * @param {boolean} [options.trailing=true]
 *  Specify invoking on the trailing edge of the timeout.
 * @returns {Function} Returns the new throttled function.
 * @example
 *
 * // Avoid excessively updating the position while scrolling.
 * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
 *
 * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
 * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
 * jQuery(element).on('click', throttled);
 *
 * // Cancel the trailing throttled invocation.
 * jQuery(window).on('popstate', throttled.cancel);
 */
function throttle(func, wait, options) {
  var leading = true,
      trailing = true;

  if (typeof func != 'function') {
    throw new TypeError(FUNC_ERROR_TEXT);
  }
  if (isObject(options)) {
    leading = 'leading' in options ? !!options.leading : leading;
    trailing = 'trailing' in options ? !!options.trailing : trailing;
  }
  return debounce(func, wait, {
    'leading': leading,
    'maxWait': wait,
    'trailing': trailing
  });
}

var throttle_1 = throttle;var patchResizeHandler = function (resizeCallback, refreshMode, refreshRate, refreshOptions) {
    switch (refreshMode) {
        case 'debounce':
            return debounce_1(resizeCallback, refreshRate, refreshOptions);
        case 'throttle':
            return throttle_1(resizeCallback, refreshRate, refreshOptions);
        default:
            return resizeCallback;
    }
};
var isFunction = function (fn) { return typeof fn === 'function'; };
var isSSR = function () { return typeof window === 'undefined'; };
var isDOMElement = function (element) { return element instanceof Element || element instanceof HTMLDocument; };
var createNotifier = function (onResize, setSize, handleWidth, handleHeight) {
    return function (_a) {
        var width = _a.width, height = _a.height;
        setSize(function (prev) {
            if (prev.width === width && prev.height === height) {
                // skip if dimensions haven't changed
                return prev;
            }
            if ((prev.width === width && !handleHeight) || (prev.height === height && !handleWidth)) {
                // process `handleHeight/handleWidth` props
                return prev;
            }
            if (onResize && isFunction(onResize)) {
                onResize(width, height);
            }
            return { width: width, height: height };
        });
    };
};var ResizeDetector = /** @class */ (function (_super) {
    __extends(ResizeDetector, _super);
    function ResizeDetector(props) {
        var _this = _super.call(this, props) || this;
        _this.cancelHandler = function () {
            if (_this.resizeHandler && _this.resizeHandler.cancel) {
                // cancel debounced handler
                _this.resizeHandler.cancel();
                _this.resizeHandler = null;
            }
        };
        _this.attachObserver = function () {
            var _a = _this.props, targetRef = _a.targetRef, observerOptions = _a.observerOptions;
            if (isSSR()) {
                return;
            }
            if (targetRef && targetRef.current) {
                _this.targetRef.current = targetRef.current;
            }
            var element = _this.getElement();
            if (!element) {
                // can't find element to observe
                return;
            }
            if (_this.observableElement && _this.observableElement === element) {
                // element is already observed
                return;
            }
            _this.observableElement = element;
            _this.resizeObserver.observe(element, observerOptions);
        };
        _this.getElement = function () {
            var _a = _this.props, querySelector = _a.querySelector, targetDomEl = _a.targetDomEl;
            if (isSSR())
                return null;
            // in case we pass a querySelector
            if (querySelector)
                return document.querySelector(querySelector);
            // in case we pass a DOM element
            if (targetDomEl && isDOMElement(targetDomEl))
                return targetDomEl;
            // in case we pass a React ref using React.createRef()
            if (_this.targetRef && isDOMElement(_this.targetRef.current))
                return _this.targetRef.current;
            // the worse case when we don't receive any information from the parent and the library doesn't add any wrappers
            // we have to use a deprecated `findDOMNode` method in order to find a DOM element to attach to
            var currentElement = (0,react_dom.findDOMNode)(_this);
            if (!currentElement)
                return null;
            var renderType = _this.getRenderType();
            switch (renderType) {
                case 'renderProp':
                    return currentElement;
                case 'childFunction':
                    return currentElement;
                case 'child':
                    return currentElement;
                case 'childArray':
                    return currentElement;
                default:
                    return currentElement.parentElement;
            }
        };
        _this.createResizeHandler = function (entries) {
            var _a = _this.props, _b = _a.handleWidth, handleWidth = _b === void 0 ? true : _b, _c = _a.handleHeight, handleHeight = _c === void 0 ? true : _c, onResize = _a.onResize;
            if (!handleWidth && !handleHeight)
                return;
            var notifyResize = createNotifier(onResize, _this.setState.bind(_this), handleWidth, handleHeight);
            entries.forEach(function (entry) {
                var _a = (entry && entry.contentRect) || {}, width = _a.width, height = _a.height;
                var shouldSetSize = !_this.skipOnMount && !isSSR();
                if (shouldSetSize) {
                    notifyResize({ width: width, height: height });
                }
                _this.skipOnMount = false;
            });
        };
        _this.getRenderType = function () {
            var _a = _this.props, render = _a.render, children = _a.children;
            if (isFunction(render)) {
                // DEPRECATED. Use `Child Function Pattern` instead
                return 'renderProp';
            }
            if (isFunction(children)) {
                return 'childFunction';
            }
            if ((0,react.isValidElement)(children)) {
                return 'child';
            }
            if (Array.isArray(children)) {
                // DEPRECATED. Wrap children with a single parent
                return 'childArray';
            }
            // DEPRECATED. Use `Child Function Pattern` instead
            return 'parent';
        };
        var skipOnMount = props.skipOnMount, refreshMode = props.refreshMode, _a = props.refreshRate, refreshRate = _a === void 0 ? 1000 : _a, refreshOptions = props.refreshOptions;
        _this.state = {
            width: undefined,
            height: undefined
        };
        _this.skipOnMount = skipOnMount;
        _this.targetRef = (0,react.createRef)();
        _this.observableElement = null;
        if (isSSR()) {
            return _this;
        }
        _this.resizeHandler = patchResizeHandler(_this.createResizeHandler, refreshMode, refreshRate, refreshOptions);
        _this.resizeObserver = new window.ResizeObserver(_this.resizeHandler);
        return _this;
    }
    ResizeDetector.prototype.componentDidMount = function () {
        this.attachObserver();
    };
    ResizeDetector.prototype.componentDidUpdate = function () {
        this.attachObserver();
    };
    ResizeDetector.prototype.componentWillUnmount = function () {
        if (isSSR()) {
            return;
        }
        this.resizeObserver.disconnect();
        this.cancelHandler();
    };
    ResizeDetector.prototype.render = function () {
        var _a = this.props, render = _a.render, children = _a.children, _b = _a.nodeType, WrapperTag = _b === void 0 ? 'div' : _b;
        var _c = this.state, width = _c.width, height = _c.height;
        var childProps = { width: width, height: height, targetRef: this.targetRef };
        var renderType = this.getRenderType();
        var typedChildren;
        switch (renderType) {
            case 'renderProp':
                return render && render(childProps);
            case 'childFunction':
                typedChildren = children;
                return typedChildren(childProps);
            case 'child':
                // @TODO bug prone logic
                typedChildren = children;
                if (typedChildren.type && typeof typedChildren.type === 'string') {
                    // child is a native DOM elements such as div, span etc
                    childProps.targetRef; var nativeProps = __rest(childProps, ["targetRef"]);
                    return (0,react.cloneElement)(typedChildren, nativeProps);
                }
                // class or functional component otherwise
                return (0,react.cloneElement)(typedChildren, childProps);
            case 'childArray':
                typedChildren = children;
                return typedChildren.map(function (el) { return !!el && (0,react.cloneElement)(el, childProps); });
            default:
                return react.createElement(WrapperTag, null);
        }
    };
    return ResizeDetector;
}(react.PureComponent));function withResizeDetector(ComponentInner, options) {
    if (options === void 0) { options = {}; }
    var ResizeDetectorHOC = /** @class */ (function (_super) {
        __extends(ResizeDetectorHOC, _super);
        function ResizeDetectorHOC() {
            var _this = _super !== null && _super.apply(this, arguments) || this;
            _this.ref = createRef();
            return _this;
        }
        ResizeDetectorHOC.prototype.render = function () {
            var _a = this.props, forwardedRef = _a.forwardedRef, rest = __rest(_a, ["forwardedRef"]);
            var targetRef = forwardedRef !== null && forwardedRef !== void 0 ? forwardedRef : this.ref;
            return (React.createElement(ResizeDetector, __assign({}, options, { targetRef: targetRef }),
                React.createElement(ComponentInner, __assign({ targetRef: targetRef }, rest))));
        };
        return ResizeDetectorHOC;
    }(Component));
    function forwardRefWrapper(props, ref) {
        return React.createElement(ResizeDetectorHOC, __assign({}, props, { forwardedRef: ref }));
    }
    var name = ComponentInner.displayName || ComponentInner.name;
    forwardRefWrapper.displayName = "withResizeDetector(".concat(name, ")");
    return forwardRef(forwardRefWrapper);
}var useEnhancedEffect = isSSR() ? react.useEffect : react.useLayoutEffect;
function useResizeDetector(props) {
    if (props === void 0) { props = {}; }
    var _a = props.skipOnMount, skipOnMount = _a === void 0 ? false : _a, refreshMode = props.refreshMode, _b = props.refreshRate, refreshRate = _b === void 0 ? 1000 : _b, refreshOptions = props.refreshOptions, _c = props.handleWidth, handleWidth = _c === void 0 ? true : _c, _d = props.handleHeight, handleHeight = _d === void 0 ? true : _d, targetRef = props.targetRef, observerOptions = props.observerOptions, onResize = props.onResize;
    var skipResize = useRef(skipOnMount);
    var localRef = useRef(null);
    var ref = (targetRef !== null && targetRef !== void 0 ? targetRef : localRef);
    var resizeHandler = useRef();
    var _e = useState({
        width: undefined,
        height: undefined
    }), size = _e[0], setSize = _e[1];
    useEnhancedEffect(function () {
        if (isSSR()) {
            return;
        }
        var notifyResize = createNotifier(onResize, setSize, handleWidth, handleHeight);
        var resizeCallback = function (entries) {
            if (!handleWidth && !handleHeight)
                return;
            entries.forEach(function (entry) {
                var _a = (entry && entry.contentRect) || {}, width = _a.width, height = _a.height;
                var shouldSetSize = !skipResize.current && !isSSR();
                if (shouldSetSize) {
                    notifyResize({ width: width, height: height });
                }
                skipResize.current = false;
            });
        };
        resizeHandler.current = patchResizeHandler(resizeCallback, refreshMode, refreshRate, refreshOptions);
        var resizeObserver = new window.ResizeObserver(resizeHandler.current);
        if (ref.current) {
            // Something wrong with typings here...
            resizeObserver.observe(ref.current, observerOptions);
        }
        return function () {
            resizeObserver.disconnect();
            var patchedResizeHandler = resizeHandler.current;
            if (patchedResizeHandler && patchedResizeHandler.cancel) {
                patchedResizeHandler.cancel();
            }
        };
    }, [refreshMode, refreshRate, refreshOptions, handleWidth, handleHeight, onResize, observerOptions, ref.current]);
    return __assign({ ref: ref }, size);
}
// EXTERNAL MODULE: ./node_modules/react-ace/lib/index.js
var lib = __webpack_require__(90837);
// EXTERNAL MODULE: ./node_modules/classnames/index.js
var classnames = __webpack_require__(8356);
var classnames_default = /*#__PURE__*/__webpack_require__.n(classnames);
// EXTERNAL MODULE: ./node_modules/ace-builds/src-noconflict/ext-searchbox.js
var ext_searchbox = __webpack_require__(46153);
// EXTERNAL MODULE: ./node_modules/ace-builds/src-noconflict/theme-textmate.js
var theme_textmate = __webpack_require__(71026);
// EXTERNAL MODULE: ./node_modules/ace-builds/src-noconflict/mode-text.js
var mode_text = __webpack_require__(16975);
// EXTERNAL MODULE: ./Extension/src/common/log.js
var log = __webpack_require__(9224);
// EXTERNAL MODULE: ./Extension/src/pages/common/components/Editor/mode-adguard.js
var mode_adguard = __webpack_require__(12516);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/injectStylesIntoStyleTag.js
var injectStylesIntoStyleTag = __webpack_require__(35491);
var injectStylesIntoStyleTag_default = /*#__PURE__*/__webpack_require__.n(injectStylesIntoStyleTag);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/styleDomAPI.js
var styleDomAPI = __webpack_require__(19532);
var styleDomAPI_default = /*#__PURE__*/__webpack_require__.n(styleDomAPI);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/insertBySelector.js
var insertBySelector = __webpack_require__(48190);
var insertBySelector_default = /*#__PURE__*/__webpack_require__.n(insertBySelector);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/setAttributesWithoutAttributes.js
var setAttributesWithoutAttributes = __webpack_require__(47630);
var setAttributesWithoutAttributes_default = /*#__PURE__*/__webpack_require__.n(setAttributesWithoutAttributes);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/insertStyleElement.js
var insertStyleElement = __webpack_require__(60664);
var insertStyleElement_default = /*#__PURE__*/__webpack_require__.n(insertStyleElement);
// EXTERNAL MODULE: ./node_modules/style-loader/dist/runtime/styleTagTransform.js
var styleTagTransform = __webpack_require__(82563);
var styleTagTransform_default = /*#__PURE__*/__webpack_require__.n(styleTagTransform);
// EXTERNAL MODULE: ./node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[3].use[1]!./node_modules/postcss-loader/dist/cjs.js!./Extension/src/pages/common/components/Editor/editor.pcss
var editor = __webpack_require__(5356);
;// CONCATENATED MODULE: ./Extension/src/pages/common/components/Editor/editor.pcss

      
      
      
      
      
      
      
      
      

var options = {};

options.styleTagTransform = (styleTagTransform_default());
options.setAttributes = (setAttributesWithoutAttributes_default());

      options.insert = insertBySelector_default().bind(null, "head");
    
options.domAPI = (styleDomAPI_default());
options.insertStyleElement = (insertStyleElement_default());

var update = injectStylesIntoStyleTag_default()(editor/* default */.Z, options);




       /* harmony default export */ const Editor_editor = (editor/* default */.Z && editor/* default.locals */.Z.locals ? editor/* default.locals */.Z.locals : undefined);

;// CONCATENATED MODULE: ./Extension/src/pages/common/components/Editor/Editor.jsx










const DEFAULT_EDITOR_SIZE = {
  width: '610px',
  height: '300px'
};
const EDITOR_PADDING = 26;

const Editor = ({
  name,
  value,
  editorRef,
  shortcuts,
  onChange,
  fullscreen,
  highlightRules,
  shouldResetSize
}) => {
  const SIZE_STORAGE_KEY = `${name}_editor-size`;
  const editorStorageSize = localStorage.getItem(SIZE_STORAGE_KEY);
  const [size, setSize] = (0,react.useState)(JSON.parse(editorStorageSize) || DEFAULT_EDITOR_SIZE);
  (0,react.useEffect)(() => {
    if (editorStorageSize) {
      try {
        setSize(JSON.parse(editorStorageSize));
      } catch (e) {
        setSize(DEFAULT_EDITOR_SIZE);
        log/* log.debug */.c.debug(e.message);
      }
    }
  }, [editorStorageSize]);
  (0,react.useEffect)(() => {
    if (shouldResetSize) {
      localStorage.removeItem(SIZE_STORAGE_KEY);
      setSize(DEFAULT_EDITOR_SIZE);
    }
  }, [shouldResetSize, SIZE_STORAGE_KEY]);
  const editorStyles = {
    width: size.width,
    height: size.height
  }; // On fullscreen ignore size change

  const onResize = fullscreen ? () => {} : (width, height) => {
    localStorage.setItem(SIZE_STORAGE_KEY, JSON.stringify({
      width: width + EDITOR_PADDING,
      height
    }));
    editorRef.current.editor.resize();
  };
  const editorClassName = classnames_default()('editor', {
    'editor--full-screen': fullscreen
  }); // highlight rules syntax only for user rules

  const editorMode = highlightRules ? 'adguard' : 'text';
  return /*#__PURE__*/react.createElement("div", {
    style: editorStyles,
    className: editorClassName
  }, /*#__PURE__*/react.createElement(lib/* default */.ZP, {
    ref: editorRef,
    width: "100%",
    height: "100%",
    mode: editorMode,
    theme: "textmate",
    name: name,
    showPrintMargin: false,
    editorProps: {
      $blockScrolling: true
    },
    fontSize: 14,
    value: value,
    commands: shortcuts,
    onChange: onChange
  }), /*#__PURE__*/react.createElement(ResizeDetector, {
    skipOnMount: true,
    handleWidth: true,
    handleHeight: true,
    onResize: onResize
  }));
};


;// CONCATENATED MODULE: ./Extension/src/pages/common/components/Editor/index.js


/***/ }),

/***/ 12516:
/***/ (() => {

ace.define('ace/mode/css_highlight_rules', [], (require, exports, module) => {
  const oop = require('../lib/oop');

  const lang = require('../lib/lang');

  const {
    TextHighlightRules
  } = require('./text_highlight_rules');

  const supportType = exports.supportType = 'align-content|align-items|align-self|all|animation|animation-delay|animation-direction|animation-duration|animation-fill-mode|animation-iteration-count|animation-name|animation-play-state|animation-timing-function|backface-visibility|background|background-attachment|background-blend-mode|background-clip|background-color|background-image|background-origin|background-position|background-repeat|background-size|border|border-bottom|border-bottom-color|border-bottom-left-radius|border-bottom-right-radius|border-bottom-style|border-bottom-width|border-collapse|border-color|border-image|border-image-outset|border-image-repeat|border-image-slice|border-image-source|border-image-width|border-left|border-left-color|border-left-style|border-left-width|border-radius|border-right|border-right-color|border-right-style|border-right-width|border-spacing|border-style|border-top|border-top-color|border-top-left-radius|border-top-right-radius|border-top-style|border-top-width|border-width|bottom|box-shadow|box-sizing|caption-side|clear|clip|color|column-count|column-fill|column-gap|column-rule|column-rule-color|column-rule-style|column-rule-width|column-span|column-width|columns|content|counter-increment|counter-reset|cursor|direction|display|empty-cells|filter|flex|flex-basis|flex-direction|flex-flow|flex-grow|flex-shrink|flex-wrap|float|font|font-family|font-size|font-size-adjust|font-stretch|font-style|font-variant|font-weight|hanging-punctuation|height|justify-content|left|letter-spacing|line-height|list-style|list-style-image|list-style-position|list-style-type|margin|margin-bottom|margin-left|margin-right|margin-top|max-height|max-width|max-zoom|min-height|min-width|min-zoom|nav-down|nav-index|nav-left|nav-right|nav-up|opacity|order|outline|outline-color|outline-offset|outline-style|outline-width|overflow|overflow-x|overflow-y|padding|padding-bottom|padding-left|padding-right|padding-top|page-break-after|page-break-before|page-break-inside|perspective|perspective-origin|position|quotes|resize|right|tab-size|table-layout|text-align|text-align-last|text-decoration|text-decoration-color|text-decoration-line|text-decoration-style|text-indent|text-justify|text-overflow|text-shadow|text-transform|top|touch-action|transform|transform-origin|transform-style|transition|transition-delay|transition-duration|transition-property|transition-timing-function|unicode-bidi|user-select|user-zoom|vertical-align|visibility|white-space|width|word-break|word-spacing|word-wrap|z-index|debug|remove';
  const supportFunction = exports.supportFunction = 'rgb|rgba|url|attr|counter|counters';
  const supportConstant = exports.supportConstant = 'absolute|after-edge|after|all-scroll|all|alphabetic|always|antialiased|armenian|auto|avoid-column|avoid-page|avoid|balance|baseline|before-edge|before|below|bidi-override|block-line-height|block|bold|bolder|border-box|both|bottom|box|break-all|break-word|capitalize|caps-height|caption|center|central|char|circle|cjk-ideographic|clone|close-quote|col-resize|collapse|column|consider-shifts|contain|content-box|cover|crosshair|cubic-bezier|dashed|decimal-leading-zero|decimal|default|disabled|disc|disregard-shifts|distribute-all-lines|distribute-letter|distribute-space|distribute|dotted|double|e-resize|ease-in|ease-in-out|ease-out|ease|ellipsis|end|exclude-ruby|fill|fixed|georgian|glyphs|grid-height|groove|hand|hanging|hebrew|help|hidden|hiragana-iroha|hiragana|horizontal|icon|ideograph-alpha|ideograph-numeric|ideograph-parenthesis|ideograph-space|ideographic|inactive|include-ruby|inherit|initial|inline-block|inline-box|inline-line-height|inline-table|inline|inset|inside|inter-ideograph|inter-word|invert|italic|justify|katakana-iroha|katakana|keep-all|last|left|lighter|line-edge|line-through|line|linear|list-item|local|loose|lower-alpha|lower-greek|lower-latin|lower-roman|lowercase|lr-tb|ltr|mathematical|max-height|max-size|medium|menu|message-box|middle|move|n-resize|ne-resize|newspaper|no-change|no-close-quote|no-drop|no-open-quote|no-repeat|none|normal|not-allowed|nowrap|nw-resize|oblique|open-quote|outset|outside|overline|padding-box|page|pointer|pre-line|pre-wrap|pre|preserve-3d|progress|relative|repeat-x|repeat-y|repeat|replaced|reset-size|ridge|right|round|row-resize|rtl|s-resize|scroll|se-resize|separate|slice|small-caps|small-caption|solid|space|square|start|static|status-bar|step-end|step-start|steps|stretch|strict|sub|super|sw-resize|table-caption|table-cell|table-column-group|table-column|table-footer-group|table-header-group|table-row-group|table-row|table|tb-rl|text-after-edge|text-before-edge|text-bottom|text-size|text-top|text|thick|thin|transparent|underline|upper-alpha|upper-latin|upper-roman|uppercase|use-script|vertical-ideographic|vertical-text|visible|w-resize|wait|whitespace|z-index|zero|zoom|true|global';
  const supportConstantColor = exports.supportConstantColor = 'aliceblue|antiquewhite|aqua|aquamarine|azure|beige|bisque|black|blanchedalmond|blue|blueviolet|brown|burlywood|cadetblue|chartreuse|chocolate|coral|cornflowerblue|cornsilk|crimson|cyan|darkblue|darkcyan|darkgoldenrod|darkgray|darkgreen|darkgrey|darkkhaki|darkmagenta|darkolivegreen|darkorange|darkorchid|darkred|darksalmon|darkseagreen|darkslateblue|darkslategray|darkslategrey|darkturquoise|darkviolet|deeppink|deepskyblue|dimgray|dimgrey|dodgerblue|firebrick|floralwhite|forestgreen|fuchsia|gainsboro|ghostwhite|gold|goldenrod|gray|green|greenyellow|grey|honeydew|hotpink|indianred|indigo|ivory|khaki|lavender|lavenderblush|lawngreen|lemonchiffon|lightblue|lightcoral|lightcyan|lightgoldenrodyellow|lightgray|lightgreen|lightgrey|lightpink|lightsalmon|lightseagreen|lightskyblue|lightslategray|lightslategrey|lightsteelblue|lightyellow|lime|limegreen|linen|magenta|maroon|mediumaquamarine|mediumblue|mediumorchid|mediumpurple|mediumseagreen|mediumslateblue|mediumspringgreen|mediumturquoise|mediumvioletred|midnightblue|mintcream|mistyrose|moccasin|navajowhite|navy|oldlace|olive|olivedrab|orange|orangered|orchid|palegoldenrod|palegreen|paleturquoise|palevioletred|papayawhip|peachpuff|peru|pink|plum|powderblue|purple|rebeccapurple|red|rosybrown|royalblue|saddlebrown|salmon|sandybrown|seagreen|seashell|sienna|silver|skyblue|slateblue|slategray|slategrey|snow|springgreen|steelblue|tan|teal|thistle|tomato|turquoise|violet|wheat|white|whitesmoke|yellow|yellowgreen';
  const supportConstantFonts = exports.supportConstantFonts = 'arial|century|comic|courier|cursive|fantasy|garamond|georgia|helvetica|impact|lucida|symbol|system|tahoma|times|trebuchet|utopia|verdana|webdings|sans-serif|serif|monospace';
  const numRe = exports.numRe = '\\-?(?:(?:[0-9]+(?:\\.[0-9]+)?)|(?:\\.[0-9]+))';
  const pseudoElements = exports.pseudoElements = '(\\:+)\\b(after|before|first-letter|first-line|moz-selection|selection)\\b';
  const pseudoClasses = exports.pseudoClasses = '(:)\\b(active|checked|disabled|empty|enabled|first-child|first-of-type|focus|hover|indeterminate|invalid|last-child|last-of-type|link|not|nth-child|nth-last-child|nth-last-of-type|nth-of-type|only-child|only-of-type|required|root|target|valid|visited)\\b';

  const CssHighlightRules = function () {
    const keywordMapper = this.createKeywordMapper({
      'support.function': supportFunction,
      'support.constant': supportConstant,
      'support.type': supportType,
      'support.constant.color': supportConstantColor,
      'support.constant.fonts': supportConstantFonts
    }, 'text', true);
    this.$rules = {
      start: [{
        include: ['strings', 'url', 'comments']
      }, {
        token: 'paren.lparen',
        regex: '\\{',
        next: 'ruleset'
      }, {
        token: 'paren.rparen',
        regex: '\\}'
      }, {
        token: 'string',
        regex: '@(?!viewport)',
        next: 'media'
      }, {
        token: 'keyword',
        regex: '#[a-z0-9-_]+'
      }, {
        token: 'keyword',
        regex: '%'
      }, {
        token: 'variable',
        regex: '\\.[a-z0-9-_]+'
      }, {
        token: 'string',
        regex: ':[a-z0-9-_]+'
      }, {
        token: 'constant.numeric',
        regex: numRe
      }, {
        token: 'constant',
        regex: '[a-z0-9-_]+'
      }, {
        caseInsensitive: true
      }],
      media: [{
        include: ['strings', 'url', 'comments']
      }, {
        token: 'paren.lparen',
        regex: '\\{',
        next: 'start'
      }, {
        token: 'paren.rparen',
        regex: '\\}',
        next: 'start'
      }, {
        token: 'string',
        regex: ';',
        next: 'start'
      }, {
        token: 'keyword',
        regex: '(?:media|supports|document|charset|import|namespace|media|supports|document' + '|page|font|keyframes|viewport|counter-style|font-feature-values' + '|swash|ornaments|annotation|stylistic|styleset|character-variant)'
      }],
      comments: [{
        token: 'comment',
        // multi line comment
        regex: '\\/\\*',
        push: [{
          token: 'comment',
          regex: '\\*\\/',
          next: 'pop'
        }, {
          defaultToken: 'comment'
        }]
      }],
      ruleset: [{
        regex: '-(webkit|ms|moz|o)-',
        token: 'text'
      }, {
        token: 'punctuation.operator',
        regex: '[:;!]'
      }, {
        token: 'support.constant',
        regex: /important/
      }, {
        token: 'paren.rparen',
        regex: '\\}',
        next: 'start'
      }, {
        include: ['strings', 'url', 'comments']
      }, {
        token: ['constant.numeric'],
        regex: `(${numRe})(ch|cm|deg|em|ex|fr|gd|grad|Hz|in|kHz|mm|ms|pc|pt|px|rad|rem|s|turn|vh|vmax|vmin|vm|vw|%)`
      }, {
        token: 'constant.numeric',
        regex: numRe
      }, {
        token: 'constant.numeric',
        // hex6 color
        regex: '#[a-f0-9]{6}'
      }, {
        token: 'constant.numeric',
        // hex3 color
        regex: '#[a-f0-9]{3}'
      }, {
        token: ['punctuation', 'entity.other.attribute-name.pseudo-element.css'],
        regex: pseudoElements
      }, {
        token: ['punctuation', 'entity.other.attribute-name.pseudo-class.css'],
        regex: pseudoClasses
      }, {
        include: 'url'
      }, {
        token: keywordMapper,
        regex: '\\-?[a-zA-Z_][a-zA-Z0-9_\\-]*'
      }, {
        caseInsensitive: true
      }],
      url: [{
        token: 'support.function',
        regex: '(?:url(:?-prefix)?|domain|regexp)\\(',
        push: [{
          token: 'support.function',
          regex: '\\)',
          next: 'pop'
        }, {
          defaultToken: 'string'
        }]
      }],
      strings: [{
        token: 'string.start',
        regex: "'",
        push: [{
          token: 'string.end',
          regex: "'|$",
          next: 'pop'
        }, {
          include: 'escapes'
        }, {
          token: 'constant.language.escape',
          regex: /\\$/,
          consumeLineEnd: true
        }, {
          defaultToken: 'string'
        }]
      }, {
        token: 'string.start',
        regex: '"',
        push: [{
          token: 'string.end',
          regex: '"|$',
          next: 'pop'
        }, {
          include: 'escapes'
        }, {
          token: 'constant.language.escape',
          regex: /\\$/,
          consumeLineEnd: true
        }, {
          defaultToken: 'string'
        }]
      }],
      escapes: [{
        token: 'constant.language.escape',
        regex: /\\([a-fA-F\d]{1,6}|[^a-fA-F\d])/
      }]
    };
    this.normalizeRules();
  };

  oop.inherits(CssHighlightRules, TextHighlightRules);
  exports.CssHighlightRules = CssHighlightRules;
});
ace.define('ace/mode/doc_comment_highlight_rules', [], (require, exports, module) => {
  const oop = require('../lib/oop');

  const {
    TextHighlightRules
  } = require('./text_highlight_rules');

  var DocCommentHighlightRules = function () {
    this.$rules = {
      start: [{
        token: 'comment.doc.tag',
        regex: '@[\\w\\d_]+' // TODO: fix email addresses

      }, DocCommentHighlightRules.getTagRule(), {
        defaultToken: 'comment.doc',
        caseInsensitive: true
      }]
    };
  };

  oop.inherits(DocCommentHighlightRules, TextHighlightRules);

  DocCommentHighlightRules.getTagRule = function (start) {
    return {
      token: 'comment.doc.tag.storage.type',
      regex: '\\b(?:TODO|FIXME|XXX|HACK)\\b'
    };
  };

  DocCommentHighlightRules.getStartRule = function (start) {
    return {
      token: 'comment.doc',
      // doc comment
      regex: '\\/\\*(?=\\*)',
      next: start
    };
  };

  DocCommentHighlightRules.getEndRule = function (start) {
    return {
      token: 'comment.doc',
      // closing comment
      regex: '\\*\\/',
      next: start
    };
  };

  exports.DocCommentHighlightRules = DocCommentHighlightRules;
});
ace.define('ace/mode/javascript_highlight_rules', [], (require, exports, module) => {
  const oop = require('../lib/oop');

  const {
    DocCommentHighlightRules
  } = require('./doc_comment_highlight_rules');

  const {
    TextHighlightRules
  } = require('./text_highlight_rules');

  const identifierRe = '[a-zA-Z\\$_\u00a1-\uffff][a-zA-Z\\d\\$_\u00a1-\uffff]*';

  const JavaScriptHighlightRules = function (options) {
    const keywordMapper = this.createKeywordMapper({
      'variable.language': 'Array|Boolean|Date|Function|Iterator|Number|Object|RegExp|String|Proxy|' // Constructors
      + 'Namespace|QName|XML|XMLList|' // E4X
      + 'ArrayBuffer|Float32Array|Float64Array|Int16Array|Int32Array|Int8Array|' + 'Uint16Array|Uint32Array|Uint8Array|Uint8ClampedArray|' + 'Error|EvalError|InternalError|RangeError|ReferenceError|StopIteration|' // Errors
      + 'SyntaxError|TypeError|URIError|' + 'decodeURI|decodeURIComponent|encodeURI|encodeURIComponent|eval|isFinite|' // Non-constructor functions
      + 'isNaN|parseFloat|parseInt|' + 'JSON|Math|' // Other
      + 'this|arguments|prototype|window|document',
      // Pseudo
      keyword: 'const|yield|import|get|set|async|await|' + 'break|case|catch|continue|default|delete|do|else|finally|for|function|' + 'if|in|of|instanceof|new|return|switch|throw|try|typeof|let|var|while|with|debugger|' + '__parent__|__count__|escape|unescape|with|__proto__|' + 'class|enum|extends|super|export|implements|private|public|interface|package|protected|static',
      'storage.type': 'const|let|var|function',
      'constant.language': 'null|Infinity|NaN|undefined',
      'support.function': 'alert',
      'constant.language.boolean': 'true|false'
    }, 'identifier');
    const kwBeforeRe = 'case|do|else|finally|in|instanceof|return|throw|try|typeof|yield|void';
    const escapedRe = '\\\\(?:x[0-9a-fA-F]{2}|' // hex
    + 'u[0-9a-fA-F]{4}|' // unicode
    + 'u{[0-9a-fA-F]{1,6}}|' // es6 unicode
    + '[0-2][0-7]{0,2}|' // oct
    + '3[0-7][0-7]?|' // oct
    + '[4-7][0-7]?|' // oct
    + '.)';
    this.$rules = {
      no_regex: [DocCommentHighlightRules.getStartRule('doc-start'), comments('no_regex'), {
        token: 'string',
        regex: "'(?=.)",
        next: 'qstring'
      }, {
        token: 'string',
        regex: '"(?=.)',
        next: 'qqstring'
      }, {
        token: 'constant.numeric',
        // hexadecimal, octal and binary
        regex: /0(?:[xX][0-9a-fA-F]+|[oO][0-7]+|[bB][01]+)\b/
      }, {
        token: 'constant.numeric',
        // decimal integers and floats
        regex: /(?:\d\d*(?:\.\d*)?|\.\d+)(?:[eE][+-]?\d+\b)?/
      }, {
        token: ['storage.type', 'punctuation.operator', 'support.function', 'punctuation.operator', 'entity.name.function', 'text', 'keyword.operator'],
        regex: `(${identifierRe})(\\.)(prototype)(\\.)(${identifierRe})(\\s*)(=)`,
        next: 'function_arguments'
      }, {
        token: ['storage.type', 'punctuation.operator', 'entity.name.function', 'text', 'keyword.operator', 'text', 'storage.type', 'text', 'paren.lparen'],
        regex: `(${identifierRe})(\\.)(${identifierRe})(\\s*)(=)(\\s*)(function)(\\s*)(\\()`,
        next: 'function_arguments'
      }, {
        token: ['entity.name.function', 'text', 'keyword.operator', 'text', 'storage.type', 'text', 'paren.lparen'],
        regex: `(${identifierRe})(\\s*)(=)(\\s*)(function)(\\s*)(\\()`,
        next: 'function_arguments'
      }, {
        token: ['storage.type', 'punctuation.operator', 'entity.name.function', 'text', 'keyword.operator', 'text', 'storage.type', 'text', 'entity.name.function', 'text', 'paren.lparen'],
        regex: `(${identifierRe})(\\.)(${identifierRe})(\\s*)(=)(\\s*)(function)(\\s+)(\\w+)(\\s*)(\\()`,
        next: 'function_arguments'
      }, {
        token: ['storage.type', 'text', 'entity.name.function', 'text', 'paren.lparen'],
        regex: `(function)(\\s+)(${identifierRe})(\\s*)(\\()`,
        next: 'function_arguments'
      }, {
        token: ['entity.name.function', 'text', 'punctuation.operator', 'text', 'storage.type', 'text', 'paren.lparen'],
        regex: `(${identifierRe})(\\s*)(:)(\\s*)(function)(\\s*)(\\()`,
        next: 'function_arguments'
      }, {
        token: ['text', 'text', 'storage.type', 'text', 'paren.lparen'],
        regex: '(:)(\\s*)(function)(\\s*)(\\()',
        next: 'function_arguments'
      }, {
        token: 'keyword',
        regex: "from(?=\\s*('|\"))"
      }, {
        token: 'keyword',
        regex: `(?:${kwBeforeRe})\\b`,
        next: 'start'
      }, {
        token: ['support.constant'],
        regex: /that\b/
      }, {
        token: ['storage.type', 'punctuation.operator', 'support.function.firebug'],
        regex: /(console)(\.)(warn|info|log|error|time|trace|timeEnd|assert)\b/
      }, {
        token: keywordMapper,
        regex: identifierRe
      }, {
        token: 'punctuation.operator',
        regex: /[.](?![.])/,
        next: 'property'
      }, {
        token: 'storage.type',
        regex: /=>/,
        next: 'start'
      }, {
        token: 'keyword.operator',
        regex: /--|\+\+|\.{3}|===|==|=|!=|!==|<+=?|>+=?|!|&&|\|\||\?:|[!$%&*+\-~\/^]=?/,
        next: 'start'
      }, {
        token: 'punctuation.operator',
        regex: /[?:,;.]/,
        next: 'start'
      }, {
        token: 'paren.lparen',
        regex: /[\[({]/,
        next: 'start'
      }, {
        token: 'paren.rparen',
        regex: /[\])}]/
      }, {
        token: 'comment',
        regex: /^#!.*$/
      }],
      property: [{
        token: 'text',
        regex: '\\s+'
      }, {
        token: ['storage.type', 'punctuation.operator', 'entity.name.function', 'text', 'keyword.operator', 'text', 'storage.type', 'text', 'entity.name.function', 'text', 'paren.lparen'],
        regex: `(${identifierRe})(\\.)(${identifierRe})(\\s*)(=)(\\s*)(function)(?:(\\s+)(\\w+))?(\\s*)(\\()`,
        next: 'function_arguments'
      }, {
        token: 'punctuation.operator',
        regex: /[.](?![.])/
      }, {
        token: 'support.function',
        regex: /(s(?:h(?:ift|ow(?:Mod(?:elessDialog|alDialog)|Help))|croll(?:X|By(?:Pages|Lines)?|Y|To)?|t(?:op|rike)|i(?:n|zeToContent|debar|gnText)|ort|u(?:p|b(?:str(?:ing)?)?)|pli(?:ce|t)|e(?:nd|t(?:Re(?:sizable|questHeader)|M(?:i(?:nutes|lliseconds)|onth)|Seconds|Ho(?:tKeys|urs)|Year|Cursor|Time(?:out)?|Interval|ZOptions|Date|UTC(?:M(?:i(?:nutes|lliseconds)|onth)|Seconds|Hours|Date|FullYear)|FullYear|Active)|arch)|qrt|lice|avePreferences|mall)|h(?:ome|andleEvent)|navigate|c(?:har(?:CodeAt|At)|o(?:s|n(?:cat|textual|firm)|mpile)|eil|lear(?:Timeout|Interval)?|a(?:ptureEvents|ll)|reate(?:StyleSheet|Popup|EventObject))|t(?:o(?:GMTString|S(?:tring|ource)|U(?:TCString|pperCase)|Lo(?:caleString|werCase))|est|a(?:n|int(?:Enabled)?))|i(?:s(?:NaN|Finite)|ndexOf|talics)|d(?:isableExternalCapture|ump|etachEvent)|u(?:n(?:shift|taint|escape|watch)|pdateCommands)|j(?:oin|avaEnabled)|p(?:o(?:p|w)|ush|lugins.refresh|a(?:ddings|rse(?:Int|Float)?)|r(?:int|ompt|eference))|e(?:scape|nableExternalCapture|val|lementFromPoint|x(?:p|ec(?:Script|Command)?))|valueOf|UTC|queryCommand(?:State|Indeterm|Enabled|Value)|f(?:i(?:nd|le(?:ModifiedDate|Size|CreatedDate|UpdatedDate)|xed)|o(?:nt(?:size|color)|rward)|loor|romCharCode)|watch|l(?:ink|o(?:ad|g)|astIndexOf)|a(?:sin|nchor|cos|t(?:tachEvent|ob|an(?:2)?)|pply|lert|b(?:s|ort))|r(?:ou(?:nd|teEvents)|e(?:size(?:By|To)|calc|turnValue|place|verse|l(?:oad|ease(?:Capture|Events)))|andom)|g(?:o|et(?:ResponseHeader|M(?:i(?:nutes|lliseconds)|onth)|Se(?:conds|lection)|Hours|Year|Time(?:zoneOffset)?|Da(?:y|te)|UTC(?:M(?:i(?:nutes|lliseconds)|onth)|Seconds|Hours|Da(?:y|te)|FullYear)|FullYear|A(?:ttention|llResponseHeaders)))|m(?:in|ove(?:B(?:y|elow)|To(?:Absolute)?|Above)|ergeAttributes|a(?:tch|rgins|x))|b(?:toa|ig|o(?:ld|rderWidths)|link|ack))\b(?=\()/
      }, {
        token: 'support.function.dom',
        regex: /(s(?:ub(?:stringData|mit)|plitText|e(?:t(?:NamedItem|Attribute(?:Node)?)|lect))|has(?:ChildNodes|Feature)|namedItem|c(?:l(?:ick|o(?:se|neNode))|reate(?:C(?:omment|DATASection|aption)|T(?:Head|extNode|Foot)|DocumentFragment|ProcessingInstruction|E(?:ntityReference|lement)|Attribute))|tabIndex|i(?:nsert(?:Row|Before|Cell|Data)|tem)|open|delete(?:Row|C(?:ell|aption)|T(?:Head|Foot)|Data)|focus|write(?:ln)?|a(?:dd|ppend(?:Child|Data))|re(?:set|place(?:Child|Data)|move(?:NamedItem|Child|Attribute(?:Node)?)?)|get(?:NamedItem|Element(?:sBy(?:Name|TagName|ClassName)|ById)|Attribute(?:Node)?)|blur)\b(?=\()/
      }, {
        token: 'support.constant',
        regex: /(s(?:ystemLanguage|cr(?:ipts|ollbars|een(?:X|Y|Top|Left))|t(?:yle(?:Sheets)?|atus(?:Text|bar)?)|ibling(?:Below|Above)|ource|uffixes|e(?:curity(?:Policy)?|l(?:ection|f)))|h(?:istory|ost(?:name)?|as(?:h|Focus))|y|X(?:MLDocument|SLDocument)|n(?:ext|ame(?:space(?:s|URI)|Prop))|M(?:IN_VALUE|AX_VALUE)|c(?:haracterSet|o(?:n(?:structor|trollers)|okieEnabled|lorDepth|mp(?:onents|lete))|urrent|puClass|l(?:i(?:p(?:boardData)?|entInformation)|osed|asses)|alle(?:e|r)|rypto)|t(?:o(?:olbar|p)|ext(?:Transform|Indent|Decoration|Align)|ags)|SQRT(?:1_2|2)|i(?:n(?:ner(?:Height|Width)|put)|ds|gnoreCase)|zIndex|o(?:scpu|n(?:readystatechange|Line)|uter(?:Height|Width)|p(?:sProfile|ener)|ffscreenBuffering)|NEGATIVE_INFINITY|d(?:i(?:splay|alog(?:Height|Top|Width|Left|Arguments)|rectories)|e(?:scription|fault(?:Status|Ch(?:ecked|arset)|View)))|u(?:ser(?:Profile|Language|Agent)|n(?:iqueID|defined)|pdateInterval)|_content|p(?:ixelDepth|ort|ersonalbar|kcs11|l(?:ugins|atform)|a(?:thname|dding(?:Right|Bottom|Top|Left)|rent(?:Window|Layer)?|ge(?:X(?:Offset)?|Y(?:Offset)?))|r(?:o(?:to(?:col|type)|duct(?:Sub)?|mpter)|e(?:vious|fix)))|e(?:n(?:coding|abledPlugin)|x(?:ternal|pando)|mbeds)|v(?:isibility|endor(?:Sub)?|Linkcolor)|URLUnencoded|P(?:I|OSITIVE_INFINITY)|f(?:ilename|o(?:nt(?:Size|Family|Weight)|rmName)|rame(?:s|Element)|gColor)|E|whiteSpace|l(?:i(?:stStyleType|n(?:eHeight|kColor))|o(?:ca(?:tion(?:bar)?|lName)|wsrc)|e(?:ngth|ft(?:Context)?)|a(?:st(?:M(?:odified|atch)|Index|Paren)|yer(?:s|X)|nguage))|a(?:pp(?:MinorVersion|Name|Co(?:deName|re)|Version)|vail(?:Height|Top|Width|Left)|ll|r(?:ity|guments)|Linkcolor|bove)|r(?:ight(?:Context)?|e(?:sponse(?:XML|Text)|adyState))|global|x|m(?:imeTypes|ultiline|enubar|argin(?:Right|Bottom|Top|Left))|L(?:N(?:10|2)|OG(?:10E|2E))|b(?:o(?:ttom|rder(?:Width|RightWidth|BottomWidth|Style|Color|TopWidth|LeftWidth))|ufferDepth|elow|ackground(?:Color|Image)))\b/
      }, {
        token: 'identifier',
        regex: identifierRe
      }, {
        regex: '',
        token: 'empty',
        next: 'no_regex'
      }],
      start: [DocCommentHighlightRules.getStartRule('doc-start'), comments('start'), {
        token: 'string.regexp',
        regex: '\\/',
        next: 'regex'
      }, {
        token: 'text',
        regex: '\\s+|^$',
        next: 'start'
      }, {
        token: 'empty',
        regex: '',
        next: 'no_regex'
      }],
      regex: [{
        token: 'regexp.keyword.operator',
        regex: '\\\\(?:u[\\da-fA-F]{4}|x[\\da-fA-F]{2}|.)'
      }, {
        token: 'string.regexp',
        regex: '/[sxngimy]*',
        next: 'no_regex'
      }, {
        token: 'invalid',
        regex: /\{\d+\b,?\d*\}[+*]|[+*$^?][+*]|[$^][?]|\?{3,}/
      }, {
        token: 'constant.language.escape',
        regex: /\(\?[:=!]|\)|\{\d+\b,?\d*\}|[+*]\?|[()$^+*?.]/
      }, {
        token: 'constant.language.delimiter',
        regex: /\|/
      }, {
        token: 'constant.language.escape',
        regex: /\[\^?/,
        next: 'regex_character_class'
      }, {
        token: 'empty',
        regex: '$',
        next: 'no_regex'
      }, {
        defaultToken: 'string.regexp'
      }],
      regex_character_class: [{
        token: 'regexp.charclass.keyword.operator',
        regex: '\\\\(?:u[\\da-fA-F]{4}|x[\\da-fA-F]{2}|.)'
      }, {
        token: 'constant.language.escape',
        regex: ']',
        next: 'regex'
      }, {
        token: 'constant.language.escape',
        regex: '-'
      }, {
        token: 'empty',
        regex: '$',
        next: 'no_regex'
      }, {
        defaultToken: 'string.regexp.charachterclass'
      }],
      function_arguments: [{
        token: 'variable.parameter',
        regex: identifierRe
      }, {
        token: 'punctuation.operator',
        regex: '[, ]+'
      }, {
        token: 'punctuation.operator',
        regex: '$'
      }, {
        token: 'empty',
        regex: '',
        next: 'no_regex'
      }],
      qqstring: [{
        token: 'constant.language.escape',
        regex: escapedRe
      }, {
        token: 'string',
        regex: '\\\\$',
        consumeLineEnd: true
      }, {
        token: 'string',
        regex: '"|$',
        next: 'no_regex'
      }, {
        defaultToken: 'string'
      }],
      qstring: [{
        token: 'constant.language.escape',
        regex: escapedRe
      }, {
        token: 'string',
        regex: '\\\\$',
        consumeLineEnd: true
      }, {
        token: 'string',
        regex: "'|$",
        next: 'no_regex'
      }, {
        defaultToken: 'string'
      }]
    };

    if (!options || !options.noES6) {
      this.$rules.no_regex.unshift({
        regex: '[{}]',

        onMatch(val, state, stack) {
          this.next = val == '{' ? this.nextState : '';

          if (val == '{' && stack.length) {
            stack.unshift('start', state);
          } else if (val == '}' && stack.length) {
            stack.shift();
            this.next = stack.shift();
            if (this.next.indexOf('string') != -1 || this.next.indexOf('jsx') != -1) return 'paren.quasi.end';
          }

          return val == '{' ? 'paren.lparen' : 'paren.rparen';
        },

        nextState: 'start'
      }, {
        token: 'string.quasi.start',
        regex: /`/,
        push: [{
          token: 'constant.language.escape',
          regex: escapedRe
        }, {
          token: 'paren.quasi.start',
          regex: /\${/,
          push: 'start'
        }, {
          token: 'string.quasi.end',
          regex: /`/,
          next: 'pop'
        }, {
          defaultToken: 'string.quasi'
        }]
      });
      if (!options || options.jsx != false) JSX.call(this);
    }

    this.embedRules(DocCommentHighlightRules, 'doc-', [DocCommentHighlightRules.getEndRule('no_regex')]);
    this.normalizeRules();
  };

  oop.inherits(JavaScriptHighlightRules, TextHighlightRules);

  function JSX() {
    const tagRegex = identifierRe.replace('\\d', '\\d\\-');
    const jsxTag = {
      onMatch(val, state, stack) {
        const offset = val.charAt(1) == '/' ? 2 : 1;

        if (offset == 1) {
          if (state != this.nextState) stack.unshift(this.next, this.nextState, 0);else stack.unshift(this.next);
          stack[2]++;
        } else if (offset == 2) {
          if (state == this.nextState) {
            stack[1]--;

            if (!stack[1] || stack[1] < 0) {
              stack.shift();
              stack.shift();
            }
          }
        }

        return [{
          type: `meta.tag.punctuation.${offset == 1 ? '' : 'end-'}tag-open.xml`,
          value: val.slice(0, offset)
        }, {
          type: 'meta.tag.tag-name.xml',
          value: val.substr(offset)
        }];
      },

      regex: `</?${tagRegex}`,
      next: 'jsxAttributes',
      nextState: 'jsx'
    };
    this.$rules.start.unshift(jsxTag);
    const jsxJsRule = {
      regex: '{',
      token: 'paren.quasi.start',
      push: 'start'
    };
    this.$rules.jsx = [jsxJsRule, jsxTag, {
      include: 'reference'
    }, {
      defaultToken: 'string'
    }];
    this.$rules.jsxAttributes = [{
      token: 'meta.tag.punctuation.tag-close.xml',
      regex: '/?>',

      onMatch(value, currentState, stack) {
        if (currentState == stack[0]) stack.shift();

        if (value.length == 2) {
          if (stack[0] == this.nextState) stack[1]--;

          if (!stack[1] || stack[1] < 0) {
            stack.splice(0, 2);
          }
        }

        this.next = stack[0] || 'start';
        return [{
          type: this.token,
          value
        }];
      },

      nextState: 'jsx'
    }, jsxJsRule, comments('jsxAttributes'), {
      token: 'entity.other.attribute-name.xml',
      regex: tagRegex
    }, {
      token: 'keyword.operator.attribute-equals.xml',
      regex: '='
    }, {
      token: 'text.tag-whitespace.xml',
      regex: '\\s+'
    }, {
      token: 'string.attribute-value.xml',
      regex: "'",
      stateName: 'jsx_attr_q',
      push: [{
        token: 'string.attribute-value.xml',
        regex: "'",
        next: 'pop'
      }, {
        include: 'reference'
      }, {
        defaultToken: 'string.attribute-value.xml'
      }]
    }, {
      token: 'string.attribute-value.xml',
      regex: '"',
      stateName: 'jsx_attr_qq',
      push: [{
        token: 'string.attribute-value.xml',
        regex: '"',
        next: 'pop'
      }, {
        include: 'reference'
      }, {
        defaultToken: 'string.attribute-value.xml'
      }]
    }, jsxTag];
    this.$rules.reference = [{
      token: 'constant.language.escape.reference.xml',
      regex: '(?:&#[0-9]+;)|(?:&#x[0-9a-fA-F]+;)|(?:&[a-zA-Z0-9_:\\.-]+;)'
    }];
  }

  function comments(next) {
    return [{
      token: 'comment',
      // multi line comment
      regex: /\/\*/,
      next: [DocCommentHighlightRules.getTagRule(), {
        token: 'comment',
        regex: '\\*\\/',
        next: next || 'pop'
      }, {
        defaultToken: 'comment',
        caseInsensitive: true
      }]
    }, {
      token: 'comment',
      regex: '\\/\\/',
      next: [DocCommentHighlightRules.getTagRule(), {
        token: 'comment',
        regex: '$|^',
        next: next || 'pop'
      }, {
        defaultToken: 'comment',
        caseInsensitive: true
      }]
    }];
  }

  exports.JavaScriptHighlightRules = JavaScriptHighlightRules;
});
ace.define('ace/mode/csp_highlight_rules', [], (require, exports, module) => {
  const oop = require('../lib/oop');

  const {
    TextHighlightRules
  } = require('./text_highlight_rules');

  const CspHighlightRules = function () {
    const keywordMapper = this.createKeywordMapper({
      'constant.language': 'child-src|connect-src|default-src|font-src|frame-src|img-src|manifest-src|media-src|object-src' + '|script-src|style-src|worker-src|base-uri|plugin-types|sandbox|disown-opener|form-action|frame-ancestors|report-uri' + '|report-to|upgrade-insecure-requests|block-all-mixed-content|require-sri-for|reflected-xss|referrer|policy-uri',
      variable: "'none'|'self'|'unsafe-inline'|'unsafe-eval'|'strict-dynamic'|'unsafe-hashed-attributes'"
    }, 'identifier', true);
    this.$rules = {
      start: [{
        token: 'string.link',
        regex: /https?:[^;\s,]*/
      }, {
        token: 'operator.punctuation',
        regex: /;/
      }, {
        token: keywordMapper,
        regex: /[^\s;,]+/
      }]
    };
  };

  oop.inherits(CspHighlightRules, TextHighlightRules);
  exports.CspHighlightRules = CspHighlightRules;
});
ace.define('ace/mode/adguard_highlight_rules', [], (require, exports, module) => {
  const oop = require('../lib/oop');

  const {
    TextHighlightRules
  } = require('./text_highlight_rules');

  const {
    CssHighlightRules
  } = require('./css_highlight_rules');

  const {
    JavaScriptHighlightRules
  } = require('./javascript_highlight_rules');

  const {
    CspHighlightRules
  } = require('./csp_highlight_rules');

  const AdguardHighlightRules = function () {
    this.$rules = {
      start: [{
        include: 'comments'
      }, {
        regex: /^@@/,
        token: 'keyword.control'
      }, {
        regex: /#@?#\+js/,
        next: 'javascript-start',
        token: 'constant'
      }, {
        regex: /#@?\$\??#/,
        next: 'css-start',
        token: 'constant'
      }, {
        regex: /#@?\??#/,
        next: 'elemhide-start',
        token: 'constant'
      }, {
        regex: /#@?%#\/\//,
        next: 'javascript-start',
        token: 'constant'
      }, {
        regex: /#@?%#/,
        next: 'javascript-start',
        token: 'constant'
      }, {
        regex: /\$@?\$/,
        next: 'html-filtering-start',
        token: 'constant'
      }, {
        token: 'keyword.operator',
        regex: /\||,|\^|\*|~/
      }, {
        regex: /\$/,
        next: 'options',
        token: 'keyword.control'
      }, {
        defaultToken: 'markup.raw'
      }],
      invalid: [{
        regex: /$/,
        next: 'start',
        token: 'invalid'
      }, {
        defaultToken: 'invalid'
      }],
      options: [{
        regex: /$/,
        next: 'start'
      }, {
        regex: /,|~|=|\|/,
        token: 'keyword.operator'
      }, {
        regex: /(domain|app|denyallow)=/,
        token: 'keyword.control',
        next: 'options_domain_app'
      }, {
        // deprecated modifiers:
        // https://kb.adguard.com/general/how-to-create-your-own-ad-filters#object-subrequest-modifier
        // https://kb.adguard.com/general/how-to-create-your-own-ad-filters#empty-modifier
        // https://kb.adguard.com/general/how-to-create-your-own-ad-filters#mp4-modifier
        // https://kb.adguard.com/general/how-to-create-your-own-ad-filters#removeparam-modifier
        regex: /object-subrequest|empty|mp4|queryprune/,
        token: 'invalid'
      }, {
        // $webrtc modifier is still supported by AdGuard Browser extension
        // https://kb.adguard.com/general/how-to-create-your-own-ad-filters#webrtc-modifier
        // it should be moved to deprecated modifiers above later
        regex: /webrtc/,
        token: 'keyword.control'
      }, {
        regex: /(redirect|redirect-rule|removeparam|removeheader|cookie)=/,
        token: 'keyword.control',
        next: 'options_redirect_removeparam_removeheader_cookie'
      }, // without specified value
      {
        regex: /redirect|redirect-rule|removeparam|removeheader|cookie/,
        token: 'keyword.control'
      }, {
        regex: /replace=/,
        token: 'keyword.control',
        next: 'options_replace'
      }, {
        regex: /csp=/,
        token: 'keyword.control',
        next: 'csp-start'
      }, {
        regex: /document|doc|elemhide|ehide|specifichide|shide|generichide|ghide|genericblock|content|urlblock|jsinject|stealth/,
        token: 'keyword.control'
      }, {
        regex: /third-party|3p|1p|first-party/,
        token: 'keyword.control'
      }, {
        regex: /stylesheet|css|subdocument|frame|xmlhttprequest|xhr|font|image|media|object|script|other|websocket|ping/,
        token: 'keyword.control'
      }, {
        regex: /replace|popup|network/,
        token: 'keyword.control'
      }, {
        regex: /important|badfilter|match-case|all/,
        token: 'keyword.control'
      }, {
        defaultToken: 'markup.raw'
      }],
      options_domain_app: [{
        token: 'invalid',
        regex: /,$/,
        next: 'start'
      }, {
        token: 'text',
        regex: /$/,
        next: 'start'
      }, {
        regex: /,/,
        token: 'keyword.operator',
        next: 'options'
      }, {
        regex: /\|/,
        token: 'keyword.operator'
      }, {
        defaultToken: 'string.quoted'
      }],
      options_redirect_removeparam_removeheader_cookie: [{
        token: 'invalid',
        regex: /,$/,
        next: 'start'
      }, {
        token: 'text',
        regex: /$/,
        next: 'start'
      }, {
        regex: /\n/,
        token: 'keyword.operator'
      }, {
        regex: /,/,
        token: 'keyword.operator',
        next: 'options'
      }, {
        defaultToken: 'string.quoted'
      }],
      options_replace: [{
        regex: /\/.*?\/.*\/[a-z]{0,5}/,
        token: 'string.regexp',
        next: 'options'
      }],
      comments: [{
        token: 'comment.line',
        regex: /^!.*/
      }, {
        token: 'comment.line.header',
        regex: /^\[Adblock.*/
      }, {
        token: 'comment.line.hosts',
        regex: /^# .*/
      }]
    };
    this.embedRules(CspHighlightRules, 'csp-', [{
      token: 'text',
      regex: /$/,
      next: 'start'
    }, {
      token: 'text',
      regex: /,/,
      next: 'options'
    }]);
    this.embedRules(CssHighlightRules, 'css-', [{
      token: 'text',
      regex: /\}?$/,
      next: 'start'
    }]);
    this.embedRules(CssHighlightRules, 'elemhide-', [{
      token: 'text',
      regex: /\}?$/,
      next: 'start'
    }, {
      token: 'invalid',
      regex: '{',
      next: 'invalid'
    }]);
    this.embedRules(CssHighlightRules, 'html-filtering-', [{
      token: 'text',
      regex: /\}?$/,
      next: 'start'
    }, {
      token: 'invalid',
      regex: '{',
      next: 'invalid'
    }]);
    this.embedRules(new JavaScriptHighlightRules({
      jsx: false
    }).getRules(), 'javascript-', [{
      token: 'text',
      regex: /\;?$/,
      next: 'start'
    }, {
      token: 'text',
      regex: /\}?$/,
      next: 'start'
    }, {
      token: 'keyword.control',
      regex: /scriptlet/
    }]);
    this.normalizeRules();
  };

  AdguardHighlightRules.metaData = {
    $schema: 'https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json',
    name: 'Adblock',
    scopeName: 'text.adblock'
  };
  oop.inherits(AdguardHighlightRules, TextHighlightRules);
  exports.AdguardHighlightRules = AdguardHighlightRules;
});
ace.define('ace/mode/folding/cstyle', [], (require, exports, module) => {
  const oop = require('../../lib/oop');

  const {
    Range
  } = require('../../range');

  const BaseFoldMode = require('./fold_mode').FoldMode;

  const FoldMode = exports.FoldMode = function (commentRegex) {
    if (commentRegex) {
      this.foldingStartMarker = new RegExp(this.foldingStartMarker.source.replace(/\|[^|]*?$/, `|${commentRegex.start}`));
      this.foldingStopMarker = new RegExp(this.foldingStopMarker.source.replace(/\|[^|]*?$/, `|${commentRegex.end}`));
    }
  };

  oop.inherits(FoldMode, BaseFoldMode);
  (function () {
    this.foldingStartMarker = /([\{\[\(])[^\}\]\)]*$|^\s*(\/\*)/;
    this.foldingStopMarker = /^[^\[\{\(]*([\}\]\)])|^[\s\*]*(\*\/)/;
    this.singleLineBlockCommentRe = /^\s*(\/\*).*\*\/\s*$/;
    this.tripleStarBlockCommentRe = /^\s*(\/\*\*\*).*\*\/\s*$/;
    this.startRegionRe = /^\s*(\/\*|\/\/)#?region\b/;
    this._getFoldWidgetBase = this.getFoldWidget;

    this.getFoldWidget = function (session, foldStyle, row) {
      const line = session.getLine(row);

      if (this.singleLineBlockCommentRe.test(line)) {
        if (!this.startRegionRe.test(line) && !this.tripleStarBlockCommentRe.test(line)) return '';
      }

      const fw = this._getFoldWidgetBase(session, foldStyle, row);

      if (!fw && this.startRegionRe.test(line)) return 'start'; // lineCommentRegionStart

      return fw;
    };

    this.getFoldWidgetRange = function (session, foldStyle, row, forceMultiline) {
      const line = session.getLine(row);
      if (this.startRegionRe.test(line)) return this.getCommentRegionBlock(session, line, row);
      var match = line.match(this.foldingStartMarker);

      if (match) {
        var i = match.index;
        if (match[1]) return this.openingBracketBlock(session, match[1], row, i);
        let range = session.getCommentFoldRange(row, i + match[0].length, 1);

        if (range && !range.isMultiLine()) {
          if (forceMultiline) {
            range = this.getSectionRange(session, row);
          } else if (foldStyle != 'all') range = null;
        }

        return range;
      }

      if (foldStyle === 'markbegin') return;
      var match = line.match(this.foldingStopMarker);

      if (match) {
        var i = match.index + match[0].length;
        if (match[1]) return this.closingBracketBlock(session, match[1], row, i);
        return session.getCommentFoldRange(row, i, -1);
      }
    };

    this.getSectionRange = function (session, row) {
      let line = session.getLine(row);
      const startIndent = line.search(/\S/);
      const startRow = row;
      const startColumn = line.length;
      row += 1;
      let endRow = row;
      const maxRow = session.getLength();

      while (++row < maxRow) {
        line = session.getLine(row);
        const indent = line.search(/\S/);
        if (indent === -1) continue;
        if (startIndent > indent) break;
        const subRange = this.getFoldWidgetRange(session, 'all', row);

        if (subRange) {
          if (subRange.start.row <= startRow) {
            break;
          } else if (subRange.isMultiLine()) {
            row = subRange.end.row;
          } else if (startIndent == indent) {
            break;
          }
        }

        endRow = row;
      }

      return new Range(startRow, startColumn, endRow, session.getLine(endRow).length);
    };

    this.getCommentRegionBlock = function (session, line, row) {
      const startColumn = line.search(/\s*$/);
      const maxRow = session.getLength();
      const startRow = row;
      const re = /^\s*(?:\/\*|\/\/|--)#?(end)?region\b/;
      let depth = 1;

      while (++row < maxRow) {
        line = session.getLine(row);
        const m = re.exec(line);
        if (!m) continue;
        if (m[1]) depth--;else depth++;
        if (!depth) break;
      }

      const endRow = row;

      if (endRow > startRow) {
        return new Range(startRow, startColumn, endRow, line.length);
      }
    };
  }).call(FoldMode.prototype);
});
ace.define('ace/mode/adguard', [], (require, exports, module) => {
  const oop = require('../lib/oop');

  const TextMode = require('./text').Mode;

  const {
    AdguardHighlightRules
  } = require('./adguard_highlight_rules');

  const {
    FoldMode
  } = require('./folding/cstyle');

  const Mode = function () {
    this.HighlightRules = AdguardHighlightRules;
    this.foldingRules = new FoldMode();
  };

  oop.inherits(Mode, TextMode);
  (function () {
    this.$id = 'ace/mode/adguard';
  }).call(Mode.prototype);
  exports.Mode = Mode;
});

/***/ }),

/***/ 5356:
/***/ ((module, __webpack_exports__, __webpack_require__) => {

"use strict";
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "Z": () => (__WEBPACK_DEFAULT_EXPORT__)
/* harmony export */ });
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(91389);
/* harmony import */ var _node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(59633);
/* harmony import */ var _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(_node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1__);
// Imports


var ___CSS_LOADER_EXPORT___ = _node_modules_css_loader_dist_runtime_api_js__WEBPACK_IMPORTED_MODULE_1___default()((_node_modules_css_loader_dist_runtime_noSourceMaps_js__WEBPACK_IMPORTED_MODULE_0___default()));
// Module
___CSS_LOADER_EXPORT___.push([module.id, ".editor {\n    width: 100%;\n    height: 300px;\n    min-height: 300px;\n    max-height: 100%;\n    box-shadow: inset -10px 0 0 0 var(--gray100);\n    position: relative;\n    overflow: hidden;\n    /* If change padding, also change EDITOR_PADDING */\n    padding: 0 10px 0 16px;\n    max-width: 100%;\n}\n\n    .editor:after {\n        content: '';\n        display: block;\n        bottom: 0;\n        right: 0;\n        position: absolute;\n        width: 0;\n        height: 0;\n        border-bottom: 10px solid var(--gray400);\n        border-left: 10px solid transparent;\n    }\n\n    @media (color-index: 48) {.editor {\n        box-shadow: inset -10px 0 0 0 var(--grayDark)\n}\n    }\n\n    @media (color: 48842621) {.editor {\n        box-shadow: inset -10px 0 0 0 var(--grayDark)\n}\n    }\n\n    @media (prefers-color-scheme: dark) {.editor {\n        box-shadow: inset -10px 0 0 0 var(--grayDark)\n}\n    }\n\n    @media (max-width: 1024px) {.editor {\n        width: 100% !important\n}.editor {\n        resize: none\n}\n    }\n\n    @media (min-width: 1024px) {.editor {\n        min-width: 610px;\n        max-width: 100vw;\n        resize: both\n}\n    }\n\n    .editor--full-screen {\n        width: 100%!important;\n        height: calc(100vh - 112px)!important;\n    }\n\n    .editor--full-screen:after {\n            display: none;\n        }\n\n    @media (min-width: 1024px) {\n\n    .editor--full-screen {\n            padding-left: 0;\n            resize: none\n    }\n        }\n\n    .editor .ace_editor {\n        width: 100%;\n        height: 100%;\n        border-top: 1px solid var(--gray05);\n        border-bottom: 1px solid var(--gray05);\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_editor {\n            border-top: 1px solid var(--gray900);\n            border-bottom: 1px solid var(--gray900)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_editor {\n            border-top: 1px solid var(--gray900);\n            border-bottom: 1px solid var(--gray900)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_editor {\n            border-top: 1px solid var(--gray900);\n            border-bottom: 1px solid var(--gray900)\n    }\n        }\n\n    @media (color-index: 48) {\n\n    .editor .ace_gutter {\n            background: var(--gray900)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_gutter {\n            background: var(--gray900)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_gutter {\n            background: var(--gray900)\n    }\n        }\n\n    @media (color-index: 48) {\n\n    .editor .ace_gutter-active-line {\n            color: var(--gray300);\n            background: var(--grayDark)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_gutter-active-line {\n            color: var(--gray300);\n            background: var(--grayDark)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_gutter-active-line {\n            color: var(--gray300);\n            background: var(--grayDark)\n    }\n        }\n\n    @media (color-index: 48) {\n\n    .editor .ace_gutter-cell {\n            color: var(--gray300)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_gutter-cell {\n            color: var(--gray300)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_gutter-cell {\n            color: var(--gray300)\n    }\n        }\n\n    .editor .ace_comment {\n        color: var(--green-editor);\n    }\n\n    .editor .ace_constant {\n        color: var(--purple-editor);\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_constant {\n            color: var(--pink-editor)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_constant {\n            color: var(--pink-editor)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_constant {\n            color: var(--pink-editor)\n    }\n        }\n\n    .editor .ace_keyword {\n        color: var(--red-editor);\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_keyword {\n            color: var(--orange-editor)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_keyword {\n            color: var(--orange-editor)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_keyword {\n            color: var(--orange-editor)\n    }\n        }\n\n    .editor .ace_control {\n        color: var(--blue-editor);\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_control {\n            color: var(--cyan-editor)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_control {\n            color: var(--cyan-editor)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_control {\n            color: var(--cyan-editor)\n    }\n        }\n\n    .editor .ace_operator {\n        color: var(--blue-editor)!important;\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_operator {\n            color: var(--cyan-editor)!important\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_operator {\n            color: var(--cyan-editor)!important\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_operator {\n            color: var(--cyan-editor)!important\n    }\n        }\n\n    .editor .ace_quoted {\n        color: var(--red-editor);\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_quoted {\n            color: var(--orange-editor)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_quoted {\n            color: var(--orange-editor)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_quoted {\n            color: var(--orange-editor)\n    }\n        }\n\n    .editor .ace_string {\n        color: var(--red-editor);\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_string {\n            color: var(--orange-editor)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_string {\n            color: var(--orange-editor)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_string {\n            color: var(--orange-editor)\n    }\n        }\n\n    .editor .ace_variable {\n        color: var(--red-editor);\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_variable {\n            color: var(--orange-editor)\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_variable {\n            color: var(--orange-editor)\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_variable {\n            color: var(--orange-editor)\n    }\n        }\n\n    .editor .ace_support.ace_type {\n        color: var(--red-editor)!important;\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_support.ace_type {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_support.ace_type {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_support.ace_type {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    .editor .ace_support.ace_constant {\n        color: var(--red-editor)!important;\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_support.ace_constant {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_support.ace_constant {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_support.ace_constant {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    .editor .ace_support.ace_function {\n        color: var(--red-editor)!important;\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_support.ace_function {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_support.ace_function {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_support.ace_function {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    .editor .ace_name.ace_function {\n        color: var(--brown-editor)!important;\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_name.ace_function {\n            color: var(--yellow-editor)!important\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_name.ace_function {\n            color: var(--yellow-editor)!important\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_name.ace_function {\n            color: var(--yellow-editor)!important\n    }\n        }\n\n    .editor .ace_constant.ace_numeric {\n        color: var(--red-editor)!important;\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_constant.ace_numeric {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_constant.ace_numeric {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_constant.ace_numeric {\n            color: var(--orange-editor)!important\n    }\n        }\n\n    .editor .ace_storage.ace_type {\n        color: var(--blue-editor)!important;\n    }\n\n    @media (color-index: 48) {\n\n    .editor .ace_storage.ace_type {\n            color: var(--cyan-editor)!important\n    }\n        }\n\n    @media (color: 48842621) {\n\n    .editor .ace_storage.ace_type {\n            color: var(--cyan-editor)!important\n    }\n        }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace_storage.ace_type {\n            color: var(--cyan-editor)!important\n    }\n        }\n\n    .editor .ace-tm {\n        background-color: transparent!important;\n    }\n\n    .editor .ace-tm .ace_active-line {\n            background-color: var(--gray100)!important;\n        }\n\n    @media (color-index: 48) {\n\n    .editor .ace-tm .ace_active-line {\n                background-color: var(--gray900)!important\n        }\n            }\n\n    @media (color: 48842621) {\n\n    .editor .ace-tm .ace_active-line {\n                background-color: var(--gray900)!important\n        }\n            }\n\n    @media (prefers-color-scheme: dark) {\n\n    .editor .ace-tm .ace_active-line {\n                background-color: var(--gray900)!important\n        }\n            }\n\n    .editor .ace_selected-word {\n        background: var(--yellow-editor500)!important;\n        border: 0!important;\n    }\n\n    .editor .ace_selection {\n        border: 0!important;\n        background-color: var(--blue-selection)!important;\n    }\n\n    .editor .ace_selection {\n        border-radius: 0;\n    }\n\n    .editor .ace_mobile-button {\n        display: block!important;\n    }\n\n.light-mode .editor {\n        box-shadow: inset -10px 0 0 0 var(--gray100);\n    }\n\n.light-mode .editor .ace_editor {\n            border-top: 1px solid var(--gray05);\n            border-bottom: 1px solid var(--gray05);\n        }\n\n.light-mode .editor .ace_gutter {\n            background: #f0f0f0;\n        }\n\n.light-mode .editor .ace_gutter-active-line {\n            color: var(--gray-base);\n            background: #dcdcdc;\n        }\n\n.light-mode .editor .ace_gutter-cell {\n            color: var(--gray-base);\n        }\n\n.light-mode .editor .ace_constant {\n            color: var(--purple-editor);\n        }\n\n.light-mode .editor .ace_keyword {\n            color: var(--red-editor);\n        }\n\n.light-mode .editor .ace_control {\n            color: var(--blue-editor);\n        }\n\n.light-mode .editor .ace_operator {\n            color: var(--blue-editor)!important;\n        }\n\n.light-mode .editor .ace_quoted {\n            color: var(--red-editor);\n        }\n\n.light-mode .editor .ace_string {\n            color: var(--red-editor);\n        }\n\n.light-mode .editor .ace_variable {\n            color: var(--red-editor);\n        }\n\n.light-mode .editor .ace_support.ace_type {\n            color: var(--red-editor)!important;\n        }\n\n.light-mode .editor .ace_support.ace_constant {\n            color: var(--red-editor)!important;\n        }\n\n.light-mode .editor .ace_support.ace_function {\n            color: var(--red-editor)!important;\n        }\n\n.light-mode .editor .ace_name.ace_function {\n            color: var(--brown-editor)!important;\n        }\n\n.light-mode .editor .ace_constant.ace_numeric {\n            color: var(--red-editor)!important;\n        }\n\n.light-mode .editor .ace_storage.ace_type {\n            color: var(--blue-editor)!important;\n        }\n\n.light-mode .editor .ace-tm .ace_active-line {\n                background-color: var(--gray100)!important;\n            }\n\n.dark-mode .editor {\n        box-shadow: inset -10px 0 0 0 var(--grayDark);\n    }\n\n.dark-mode .editor .ace_editor {\n            border-top: 1px solid var(--gray900);\n            border-bottom: 1px solid var(--gray900);\n        }\n\n.dark-mode .editor .ace_gutter {\n            background: var(--gray900);\n        }\n\n.dark-mode .editor .ace_gutter-active-line {\n            color: var(--gray300);\n            background: var(--grayDark);\n        }\n\n.dark-mode .editor .ace_gutter-cell {\n            color: var(--gray300);\n        }\n\n.dark-mode .editor .ace_constant {\n            color: var(--pink-editor);\n        }\n\n.dark-mode .editor .ace_keyword {\n            color: var(--orange-editor);\n        }\n\n.dark-mode .editor .ace_control {\n            color: var(--cyan-editor);\n        }\n\n.dark-mode .editor .ace_operator {\n            color: var(--cyan-editor)!important;\n        }\n\n.dark-mode .editor .ace_quoted {\n            color: var(--orange-editor);\n        }\n\n.dark-mode .editor .ace_string {\n            color: var(--orange-editor);\n        }\n\n.dark-mode .editor .ace_variable {\n            color: var(--orange-editor);\n        }\n\n.dark-mode .editor .ace_support.ace_type {\n            color: var(--orange-editor)!important;\n        }\n\n.dark-mode .editor .ace_support.ace_constant {\n            color: var(--orange-editor)!important;\n        }\n\n.dark-mode .editor .ace_support.ace_function {\n            color: var(--orange-editor)!important;\n        }\n\n.dark-mode .editor .ace_name.ace_function {\n            color: var(--yellow-editor)!important;\n        }\n\n.dark-mode .editor .ace_constant.ace_numeric {\n            color: var(--orange-editor)!important;\n        }\n\n.dark-mode .editor .ace_storage.ace_type {\n            color: var(--cyan-editor)!important;\n        }\n\n.dark-mode .editor .ace-tm .ace_active-line {\n                background-color: var(--gray900)!important;\n            }\n", ""]);
// Exports
/* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (___CSS_LOADER_EXPORT___);


/***/ }),

/***/ 50350:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* module decorator */ module = __webpack_require__.nmd(module);
/* ***** BEGIN LICENSE BLOCK *****
 * Distributed under the BSD license:
 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Ajax.org B.V. nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * ***** END LICENSE BLOCK ***** */

/**
 * Define a module along with a payload
 * @param module a name for the payload
 * @param payload a function to call with (require, exports, module) params
 */

(function() {

var ACE_NAMESPACE = "ace";

var global = (function() { return this; })();
if (!global && typeof window != "undefined") global = window; // strict mode


if (!ACE_NAMESPACE && typeof requirejs !== "undefined")
    return;


var define = function(module, deps, payload) {
    if (typeof module !== "string") {
        if (define.original)
            define.original.apply(this, arguments);
        else {
            console.error("dropping module because define wasn\'t a string.");
            console.trace();
        }
        return;
    }
    if (arguments.length == 2)
        payload = deps;
    if (!define.modules[module]) {
        define.payloads[module] = payload;
        define.modules[module] = null;
    }
};

define.modules = {};
define.payloads = {};

/**
 * Get at functionality define()ed using the function above
 */
var _require = function(parentId, module, callback) {
    if (typeof module === "string") {
        var payload = lookup(parentId, module);
        if (payload != undefined) {
            callback && callback();
            return payload;
        }
    } else if (Object.prototype.toString.call(module) === "[object Array]") {
        var params = [];
        for (var i = 0, l = module.length; i < l; ++i) {
            var dep = lookup(parentId, module[i]);
            if (dep == undefined && require.original)
                return;
            params.push(dep);
        }
        return callback && callback.apply(null, params) || true;
    }
};

var require = function(module, callback) {
    var packagedModule = _require("", module, callback);
    if (packagedModule == undefined && require.original)
        return require.original.apply(this, arguments);
    return packagedModule;
};

var normalizeModule = function(parentId, moduleName) {
    // normalize plugin requires
    if (moduleName.indexOf("!") !== -1) {
        var chunks = moduleName.split("!");
        return normalizeModule(parentId, chunks[0]) + "!" + normalizeModule(parentId, chunks[1]);
    }
    // normalize relative requires
    if (moduleName.charAt(0) == ".") {
        var base = parentId.split("/").slice(0, -1).join("/");
        moduleName = base + "/" + moduleName;

        while(moduleName.indexOf(".") !== -1 && previous != moduleName) {
            var previous = moduleName;
            moduleName = moduleName.replace(/\/\.\//, "/").replace(/[^\/]+\/\.\.\//, "");
        }
    }
    return moduleName;
};

/**
 * Internal function to lookup moduleNames and resolve them by calling the
 * definition function if needed.
 */
var lookup = function(parentId, moduleName) {
    moduleName = normalizeModule(parentId, moduleName);

    var module = define.modules[moduleName];
    if (!module) {
        module = define.payloads[moduleName];
        if (typeof module === 'function') {
            var exports = {};
            var mod = {
                id: moduleName,
                uri: '',
                exports: exports,
                packaged: true
            };

            var req = function(module, callback) {
                return _require(moduleName, module, callback);
            };

            var returnValue = module(req, exports, mod);
            exports = returnValue || mod.exports;
            define.modules[moduleName] = exports;
            delete define.payloads[moduleName];
        }
        module = define.modules[moduleName] = exports || module;
    }
    return module;
};

function exportAce(ns) {
    var root = global;
    if (ns) {
        if (!global[ns])
            global[ns] = {};
        root = global[ns];
    }

    if (!root.define || !root.define.packaged) {
        define.original = root.define;
        root.define = define;
        root.define.packaged = true;
    }

    if (!root.require || !root.require.packaged) {
        require.original = root.require;
        root.require = require;
        root.require.packaged = true;
    }
}

exportAce(ACE_NAMESPACE);

})();

ace.define("ace/lib/es6-shim",["require","exports","module"], function (require, exports, module) {
  function defineProp(obj, name, val) {
    Object.defineProperty(obj, name, {
      value: val,
      enumerable: false,
      writable: true,
      configurable: true
    });
  }
  if (!String.prototype.startsWith) {
    defineProp(
      String.prototype,
      "startsWith",
      function (searchString, position) {
        position = position || 0;
        return this.lastIndexOf(searchString, position) === position;
      }
    );
  }
  if (!String.prototype.endsWith) {
    defineProp(String.prototype, "endsWith", function (searchString, position) {
      var subjectString = this;
      if (position === undefined || position > subjectString.length) {
        position = subjectString.length;
      }
      position -= searchString.length;
      var lastIndex = subjectString.indexOf(searchString, position);
      return lastIndex !== -1 && lastIndex === position;
    });
  }
  if (!String.prototype.repeat) {
    defineProp(String.prototype, "repeat", function (count) {
      var result = "";
      var string = this;
      while (count > 0) {
        if (count & 1) result += string;

        if ((count >>= 1)) string += string;
      }
      return result;
    });
  }
  if (!String.prototype.includes) {
    defineProp(String.prototype, "includes", function (str, position) {
      return this.indexOf(str, position) != -1;
    });
  }
  if (!Object.assign) {
    Object.assign = function (target) {
      if (target === undefined || target === null) {
        throw new TypeError("Cannot convert undefined or null to object");
      }

      var output = Object(target);
      for (var index = 1; index < arguments.length; index++) {
        var source = arguments[index];
        if (source !== undefined && source !== null) {
          Object.keys(source).forEach(function (key) {
            output[key] = source[key];
          });
        }
      }
      return output;
    };
  }
  if (!Object.values) {
    Object.values = function (o) {
      return Object.keys(o).map(function (k) {
        return o[k];
      });
    };
  }
  if (!Array.prototype.find) {
    defineProp(Array.prototype, "find", function (predicate) {
      var len = this.length;
      var thisArg = arguments[1];
      for (var k = 0; k < len; k++) {
        var kValue = this[k];
        if (predicate.call(thisArg, kValue, k, this)) {
          return kValue;
        }
      }
    });
  }
  if (!Array.prototype.findIndex) {
    defineProp(Array.prototype, "findIndex", function (predicate) {
      var len = this.length;
      var thisArg = arguments[1];
      for (var k = 0; k < len; k++) {
        var kValue = this[k];
        if (predicate.call(thisArg, kValue, k, this)) {
          return k;
        }
      }
    });
  }
  if (!Array.prototype.includes) {
    defineProp(Array.prototype, "includes", function (item, position) {
      return this.indexOf(item, position) != -1;
    });
  }
  if (!Array.prototype.fill) {
    defineProp(Array.prototype, "fill", function (value) {
      var O = this;
      var len = O.length >>> 0;
      var start = arguments[1];
      var relativeStart = start >> 0;
      var k =
        relativeStart < 0
          ? Math.max(len + relativeStart, 0)
          : Math.min(relativeStart, len);
      var end = arguments[2];
      var relativeEnd = end === undefined ? len : end >> 0;
      var final =
        relativeEnd < 0
          ? Math.max(len + relativeEnd, 0)
          : Math.min(relativeEnd, len);
      while (k < final) {
        O[k] = value;
        k++;
      }
      return O;
    });
  }
  if (!Array.of) {
    defineProp(Array, "of", function () {
      return Array.prototype.slice.call(arguments);
    });
  }
});

ace.define("ace/lib/fixoldbrowsers",["require","exports","module","ace/lib/es6-shim"], function(require, exports, module) {
"use strict";

require("./es6-shim");

});

ace.define("ace/lib/lang",["require","exports","module"], function(require, exports, module) {
"use strict";

exports.last = function(a) {
    return a[a.length - 1];
};

exports.stringReverse = function(string) {
    return string.split("").reverse().join("");
};

exports.stringRepeat = function (string, count) {
    var result = '';
    while (count > 0) {
        if (count & 1)
            result += string;

        if (count >>= 1)
            string += string;
    }
    return result;
};

var trimBeginRegexp = /^\s\s*/;
var trimEndRegexp = /\s\s*$/;

exports.stringTrimLeft = function (string) {
    return string.replace(trimBeginRegexp, '');
};

exports.stringTrimRight = function (string) {
    return string.replace(trimEndRegexp, '');
};

exports.copyObject = function(obj) {
    var copy = {};
    for (var key in obj) {
        copy[key] = obj[key];
    }
    return copy;
};

exports.copyArray = function(array){
    var copy = [];
    for (var i=0, l=array.length; i<l; i++) {
        if (array[i] && typeof array[i] == "object")
            copy[i] = this.copyObject(array[i]);
        else 
            copy[i] = array[i];
    }
    return copy;
};

exports.deepCopy = function deepCopy(obj) {
    if (typeof obj !== "object" || !obj)
        return obj;
    var copy;
    if (Array.isArray(obj)) {
        copy = [];
        for (var key = 0; key < obj.length; key++) {
            copy[key] = deepCopy(obj[key]);
        }
        return copy;
    }
    if (Object.prototype.toString.call(obj) !== "[object Object]")
        return obj;
    
    copy = {};
    for (var key in obj)
        copy[key] = deepCopy(obj[key]);
    return copy;
};

exports.arrayToMap = function(arr) {
    var map = {};
    for (var i=0; i<arr.length; i++) {
        map[arr[i]] = 1;
    }
    return map;

};

exports.createMap = function(props) {
    var map = Object.create(null);
    for (var i in props) {
        map[i] = props[i];
    }
    return map;
};
exports.arrayRemove = function(array, value) {
  for (var i = 0; i <= array.length; i++) {
    if (value === array[i]) {
      array.splice(i, 1);
    }
  }
};

exports.escapeRegExp = function(str) {
    return str.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
};

exports.escapeHTML = function(str) {
    return ("" + str).replace(/&/g, "&#38;").replace(/"/g, "&#34;").replace(/'/g, "&#39;").replace(/</g, "&#60;");
};

exports.getMatchOffsets = function(string, regExp) {
    var matches = [];

    string.replace(regExp, function(str) {
        matches.push({
            offset: arguments[arguments.length-2],
            length: str.length
        });
    });

    return matches;
};
exports.deferredCall = function(fcn) {
    var timer = null;
    var callback = function() {
        timer = null;
        fcn();
    };

    var deferred = function(timeout) {
        deferred.cancel();
        timer = setTimeout(callback, timeout || 0);
        return deferred;
    };

    deferred.schedule = deferred;

    deferred.call = function() {
        this.cancel();
        fcn();
        return deferred;
    };

    deferred.cancel = function() {
        clearTimeout(timer);
        timer = null;
        return deferred;
    };
    
    deferred.isPending = function() {
        return timer;
    };

    return deferred;
};


exports.delayedCall = function(fcn, defaultTimeout) {
    var timer = null;
    var callback = function() {
        timer = null;
        fcn();
    };

    var _self = function(timeout) {
        if (timer == null)
            timer = setTimeout(callback, timeout || defaultTimeout);
    };

    _self.delay = function(timeout) {
        timer && clearTimeout(timer);
        timer = setTimeout(callback, timeout || defaultTimeout);
    };
    _self.schedule = _self;

    _self.call = function() {
        this.cancel();
        fcn();
    };

    _self.cancel = function() {
        timer && clearTimeout(timer);
        timer = null;
    };

    _self.isPending = function() {
        return timer;
    };

    return _self;
};
});

ace.define("ace/lib/oop",["require","exports","module"], function(require, exports, module) {
"use strict";

exports.inherits = function(ctor, superCtor) {
    ctor.super_ = superCtor;
    ctor.prototype = Object.create(superCtor.prototype, {
        constructor: {
            value: ctor,
            enumerable: false,
            writable: true,
            configurable: true
        }
    });
};

exports.mixin = function(obj, mixin) {
    for (var key in mixin) {
        obj[key] = mixin[key];
    }
    return obj;
};

exports.implement = function(proto, mixin) {
    exports.mixin(proto, mixin);
};

});

ace.define("ace/lib/useragent",["require","exports","module"], function(require, exports, module) {
"use strict";
exports.OS = {
    LINUX: "LINUX",
    MAC: "MAC",
    WINDOWS: "WINDOWS"
};
exports.getOS = function() {
    if (exports.isMac) {
        return exports.OS.MAC;
    } else if (exports.isLinux) {
        return exports.OS.LINUX;
    } else {
        return exports.OS.WINDOWS;
    }
};
var _navigator = typeof navigator == "object" ? navigator : {};

var os = (/mac|win|linux/i.exec(_navigator.platform) || ["other"])[0].toLowerCase();
var ua = _navigator.userAgent || "";
var appName = _navigator.appName || "";
exports.isWin = (os == "win");
exports.isMac = (os == "mac");
exports.isLinux = (os == "linux");
exports.isIE = 
    (appName == "Microsoft Internet Explorer" || appName.indexOf("MSAppHost") >= 0)
    ? parseFloat((ua.match(/(?:MSIE |Trident\/[0-9]+[\.0-9]+;.*rv:)([0-9]+[\.0-9]+)/)||[])[1])
    : parseFloat((ua.match(/(?:Trident\/[0-9]+[\.0-9]+;.*rv:)([0-9]+[\.0-9]+)/)||[])[1]); // for ie
    
exports.isOldIE = exports.isIE && exports.isIE < 9;
exports.isGecko = exports.isMozilla = ua.match(/ Gecko\/\d+/);
exports.isOpera = typeof opera == "object" && Object.prototype.toString.call(window.opera) == "[object Opera]";
exports.isWebKit = parseFloat(ua.split("WebKit/")[1]) || undefined;

exports.isChrome = parseFloat(ua.split(" Chrome/")[1]) || undefined;

exports.isEdge = parseFloat(ua.split(" Edge/")[1]) || undefined;

exports.isAIR = ua.indexOf("AdobeAIR") >= 0;

exports.isAndroid = ua.indexOf("Android") >= 0;

exports.isChromeOS = ua.indexOf(" CrOS ") >= 0;

exports.isIOS = /iPad|iPhone|iPod/.test(ua) && !window.MSStream;

if (exports.isIOS) exports.isMac = true;

exports.isMobile = exports.isIOS || exports.isAndroid;

});

ace.define("ace/lib/dom",["require","exports","module","ace/lib/useragent"], function(require, exports, module) {
"use strict";

var useragent = require("./useragent"); 
var XHTML_NS = "http://www.w3.org/1999/xhtml";

exports.buildDom = function buildDom(arr, parent, refs) {
    if (typeof arr == "string" && arr) {
        var txt = document.createTextNode(arr);
        if (parent)
            parent.appendChild(txt);
        return txt;
    }
    
    if (!Array.isArray(arr)) {
        if (arr && arr.appendChild && parent)
            parent.appendChild(arr);
        return arr;
    }
    if (typeof arr[0] != "string" || !arr[0]) {
        var els = [];
        for (var i = 0; i < arr.length; i++) {
            var ch = buildDom(arr[i], parent, refs);
            ch && els.push(ch);
        }
        return els;
    }
    
    var el = document.createElement(arr[0]);
    var options = arr[1];
    var childIndex = 1;
    if (options && typeof options == "object" && !Array.isArray(options))
        childIndex = 2;
    for (var i = childIndex; i < arr.length; i++)
        buildDom(arr[i], el, refs);
    if (childIndex == 2) {
        Object.keys(options).forEach(function(n) {
            var val = options[n];
            if (n === "class") {
                el.className = Array.isArray(val) ? val.join(" ") : val;
            } else if (typeof val == "function" || n == "value" || n[0] == "$") {
                el[n] = val;
            } else if (n === "ref") {
                if (refs) refs[val] = el;
            } else if (n === "style") {
                if (typeof val == "string") el.style.cssText = val;
            } else if (val != null) {
                el.setAttribute(n, val);
            }
        });
    }
    if (parent)
        parent.appendChild(el);
    return el;
};

exports.getDocumentHead = function(doc) {
    if (!doc)
        doc = document;
    return doc.head || doc.getElementsByTagName("head")[0] || doc.documentElement;
};

exports.createElement = function(tag, ns) {
    return document.createElementNS ?
            document.createElementNS(ns || XHTML_NS, tag) :
            document.createElement(tag);
};

exports.removeChildren = function(element) {
    element.innerHTML = "";
};

exports.createTextNode = function(textContent, element) {
    var doc = element ? element.ownerDocument : document;
    return doc.createTextNode(textContent);
};

exports.createFragment = function(element) {
    var doc = element ? element.ownerDocument : document;
    return doc.createDocumentFragment();
};

exports.hasCssClass = function(el, name) {
    var classes = (el.className + "").split(/\s+/g);
    return classes.indexOf(name) !== -1;
};
exports.addCssClass = function(el, name) {
    if (!exports.hasCssClass(el, name)) {
        el.className += " " + name;
    }
};
exports.removeCssClass = function(el, name) {
    var classes = el.className.split(/\s+/g);
    while (true) {
        var index = classes.indexOf(name);
        if (index == -1) {
            break;
        }
        classes.splice(index, 1);
    }
    el.className = classes.join(" ");
};

exports.toggleCssClass = function(el, name) {
    var classes = el.className.split(/\s+/g), add = true;
    while (true) {
        var index = classes.indexOf(name);
        if (index == -1) {
            break;
        }
        add = false;
        classes.splice(index, 1);
    }
    if (add)
        classes.push(name);

    el.className = classes.join(" ");
    return add;
};
exports.setCssClass = function(node, className, include) {
    if (include) {
        exports.addCssClass(node, className);
    } else {
        exports.removeCssClass(node, className);
    }
};

exports.hasCssString = function(id, doc) {
    var index = 0, sheets;
    doc = doc || document;
    if ((sheets = doc.querySelectorAll("style"))) {
        while (index < sheets.length) {
            if (sheets[index++].id === id) {
                return true;
            }
        }
    }
};

exports.removeElementById = function(id, doc) {
    doc = doc || document;
    if(doc.getElementById(id)) {
        doc.getElementById(id).remove();
    }
};

var strictCSP;
var cssCache = [];
exports.useStrictCSP = function(value) {
    strictCSP = value;
    if (value == false) insertPendingStyles();
    else if (!cssCache) cssCache = [];
};

function insertPendingStyles() {
    var cache = cssCache;
    cssCache = null;
    cache && cache.forEach(function(item) {
        importCssString(item[0], item[1]);
    });
}

function importCssString(cssText, id, target) {
    if (typeof document == "undefined")
        return;
    if (cssCache) {
        if (target) {
            insertPendingStyles();
        } else if (target === false) {
            return cssCache.push([cssText, id]);
        }
    }
    if (strictCSP) return;

    var container = target;
    if (!target || !target.getRootNode) {
        container = document;
    } else {
        container = target.getRootNode();
        if (!container || container == target)
            container = document;
    }
    
    var doc = container.ownerDocument || container;
    if (id && exports.hasCssString(id, container))
        return null;
    
    if (id)
        cssText += "\n/*# sourceURL=ace/css/" + id + " */";
    
    var style = exports.createElement("style");
    style.appendChild(doc.createTextNode(cssText));
    if (id)
        style.id = id;

    if (container == doc)
        container = exports.getDocumentHead(doc);
    container.insertBefore(style, container.firstChild);
}
exports.importCssString = importCssString;

exports.importCssStylsheet = function(uri, doc) {
    exports.buildDom(["link", {rel: "stylesheet", href: uri}], exports.getDocumentHead(doc));
};
exports.scrollbarWidth = function(document) {
    var inner = exports.createElement("ace_inner");
    inner.style.width = "100%";
    inner.style.minWidth = "0px";
    inner.style.height = "200px";
    inner.style.display = "block";

    var outer = exports.createElement("ace_outer");
    var style = outer.style;

    style.position = "absolute";
    style.left = "-10000px";
    style.overflow = "hidden";
    style.width = "200px";
    style.minWidth = "0px";
    style.height = "150px";
    style.display = "block";

    outer.appendChild(inner);

    var body = document.documentElement;
    body.appendChild(outer);

    var noScrollbar = inner.offsetWidth;

    style.overflow = "scroll";
    var withScrollbar = inner.offsetWidth;

    if (noScrollbar == withScrollbar) {
        withScrollbar = outer.clientWidth;
    }

    body.removeChild(outer);

    return noScrollbar-withScrollbar;
};

exports.computedStyle = function(element, style) {
    return window.getComputedStyle(element, "") || {};
};

exports.setStyle = function(styles, property, value) {
    if (styles[property] !== value) {
        styles[property] = value;
    }
};

exports.HAS_CSS_ANIMATION = false;
exports.HAS_CSS_TRANSFORMS = false;
exports.HI_DPI = useragent.isWin
    ? typeof window !== "undefined" && window.devicePixelRatio >= 1.5
    : true;

if (useragent.isChromeOS) exports.HI_DPI = false;

if (typeof document !== "undefined") {
    var div = document.createElement("div");
    if (exports.HI_DPI && div.style.transform  !== undefined)
        exports.HAS_CSS_TRANSFORMS = true;
    if (!useragent.isEdge && typeof div.style.animationName !== "undefined")
        exports.HAS_CSS_ANIMATION = true;
    div = null;
}

if (exports.HAS_CSS_TRANSFORMS) {
    exports.translate = function(element, tx, ty) {
        element.style.transform = "translate(" + Math.round(tx) + "px, " + Math.round(ty) +"px)";
    };
} else {
    exports.translate = function(element, tx, ty) {
        element.style.top = Math.round(ty) + "px";
        element.style.left = Math.round(tx) + "px";
    };
}

});

ace.define("ace/lib/net",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
"use strict";
var dom = require("./dom");

exports.get = function (url, callback) {
    var xhr = new XMLHttpRequest();
    xhr.open('GET', url, true);
    xhr.onreadystatechange = function () {
        if (xhr.readyState === 4) {
            callback(xhr.responseText);
        }
    };
    xhr.send(null);
};

exports.loadScript = function(path, callback) {
    var head = dom.getDocumentHead();
    var s = document.createElement('script');

    s.src = path;
    head.appendChild(s);

    s.onload = s.onreadystatechange = function(_, isAbort) {
        if (isAbort || !s.readyState || s.readyState == "loaded" || s.readyState == "complete") {
            s = s.onload = s.onreadystatechange = null;
            if (!isAbort)
                callback();
        }
    };
};
exports.qualifyURL = function(url) {
    var a = document.createElement('a');
    a.href = url;
    return a.href;
};

});

ace.define("ace/lib/event_emitter",["require","exports","module"], function(require, exports, module) {
"use strict";

var EventEmitter = {};
var stopPropagation = function() { this.propagationStopped = true; };
var preventDefault = function() { this.defaultPrevented = true; };

EventEmitter._emit =
EventEmitter._dispatchEvent = function(eventName, e) {
    this._eventRegistry || (this._eventRegistry = {});
    this._defaultHandlers || (this._defaultHandlers = {});

    var listeners = this._eventRegistry[eventName] || [];
    var defaultHandler = this._defaultHandlers[eventName];
    if (!listeners.length && !defaultHandler)
        return;

    if (typeof e != "object" || !e)
        e = {};

    if (!e.type)
        e.type = eventName;
    if (!e.stopPropagation)
        e.stopPropagation = stopPropagation;
    if (!e.preventDefault)
        e.preventDefault = preventDefault;

    listeners = listeners.slice();
    for (var i=0; i<listeners.length; i++) {
        listeners[i](e, this);
        if (e.propagationStopped)
            break;
    }
    
    if (defaultHandler && !e.defaultPrevented)
        return defaultHandler(e, this);
};


EventEmitter._signal = function(eventName, e) {
    var listeners = (this._eventRegistry || {})[eventName];
    if (!listeners)
        return;
    listeners = listeners.slice();
    for (var i=0; i<listeners.length; i++)
        listeners[i](e, this);
};

EventEmitter.once = function(eventName, callback) {
    var _self = this;
    this.on(eventName, function newCallback() {
        _self.off(eventName, newCallback);
        callback.apply(null, arguments);
    });
    if (!callback) {
        return new Promise(function(resolve) {
            callback = resolve;
        });
    }
};


EventEmitter.setDefaultHandler = function(eventName, callback) {
    var handlers = this._defaultHandlers;
    if (!handlers)
        handlers = this._defaultHandlers = {_disabled_: {}};
    
    if (handlers[eventName]) {
        var old = handlers[eventName];
        var disabled = handlers._disabled_[eventName];
        if (!disabled)
            handlers._disabled_[eventName] = disabled = [];
        disabled.push(old);
        var i = disabled.indexOf(callback);
        if (i != -1) 
            disabled.splice(i, 1);
    }
    handlers[eventName] = callback;
};
EventEmitter.removeDefaultHandler = function(eventName, callback) {
    var handlers = this._defaultHandlers;
    if (!handlers)
        return;
    var disabled = handlers._disabled_[eventName];
    
    if (handlers[eventName] == callback) {
        if (disabled)
            this.setDefaultHandler(eventName, disabled.pop());
    } else if (disabled) {
        var i = disabled.indexOf(callback);
        if (i != -1)
            disabled.splice(i, 1);
    }
};

EventEmitter.on =
EventEmitter.addEventListener = function(eventName, callback, capturing) {
    this._eventRegistry = this._eventRegistry || {};

    var listeners = this._eventRegistry[eventName];
    if (!listeners)
        listeners = this._eventRegistry[eventName] = [];

    if (listeners.indexOf(callback) == -1)
        listeners[capturing ? "unshift" : "push"](callback);
    return callback;
};

EventEmitter.off =
EventEmitter.removeListener =
EventEmitter.removeEventListener = function(eventName, callback) {
    this._eventRegistry = this._eventRegistry || {};

    var listeners = this._eventRegistry[eventName];
    if (!listeners)
        return;

    var index = listeners.indexOf(callback);
    if (index !== -1)
        listeners.splice(index, 1);
};

EventEmitter.removeAllListeners = function(eventName) {
    if (!eventName) this._eventRegistry = this._defaultHandlers = undefined;
    if (this._eventRegistry) this._eventRegistry[eventName] = undefined;
    if (this._defaultHandlers) this._defaultHandlers[eventName] = undefined;
};

exports.EventEmitter = EventEmitter;

});

ace.define("ace/lib/app_config",["require","exports","module","ace/lib/oop","ace/lib/event_emitter"], function(require, exports, module) {
"no use strict";

var oop = require("./oop");
var EventEmitter = require("./event_emitter").EventEmitter;

var optionsProvider = {
    setOptions: function(optList) {
        Object.keys(optList).forEach(function(key) {
            this.setOption(key, optList[key]);
        }, this);
    },
    getOptions: function(optionNames) {
        var result = {};
        if (!optionNames) {
            var options = this.$options;
            optionNames = Object.keys(options).filter(function(key) {
                return !options[key].hidden;
            });
        } else if (!Array.isArray(optionNames)) {
            result = optionNames;
            optionNames = Object.keys(result);
        }
        optionNames.forEach(function(key) {
            result[key] = this.getOption(key);
        }, this);
        return result;
    },
    setOption: function(name, value) {
        if (this["$" + name] === value)
            return;
        var opt = this.$options[name];
        if (!opt) {
            return warn('misspelled option "' + name + '"');
        }
        if (opt.forwardTo)
            return this[opt.forwardTo] && this[opt.forwardTo].setOption(name, value);

        if (!opt.handlesSet)
            this["$" + name] = value;
        if (opt && opt.set)
            opt.set.call(this, value);
    },
    getOption: function(name) {
        var opt = this.$options[name];
        if (!opt) {
            return warn('misspelled option "' + name + '"');
        }
        if (opt.forwardTo)
            return this[opt.forwardTo] && this[opt.forwardTo].getOption(name);
        return opt && opt.get ? opt.get.call(this) : this["$" + name];
    }
};

function warn(message) {
    if (typeof console != "undefined" && console.warn)
        console.warn.apply(console, arguments);
}

function reportError(msg, data) {
    var e = new Error(msg);
    e.data = data;
    if (typeof console == "object" && console.error)
        console.error(e);
    setTimeout(function() { throw e; });
}

var AppConfig = function() {
    this.$defaultOptions = {};
};

(function() {
    oop.implement(this, EventEmitter);
    this.defineOptions = function(obj, path, options) {
        if (!obj.$options)
            this.$defaultOptions[path] = obj.$options = {};

        Object.keys(options).forEach(function(key) {
            var opt = options[key];
            if (typeof opt == "string")
                opt = {forwardTo: opt};

            opt.name || (opt.name = key);
            obj.$options[opt.name] = opt;
            if ("initialValue" in opt)
                obj["$" + opt.name] = opt.initialValue;
        });
        oop.implement(obj, optionsProvider);

        return this;
    };

    this.resetOptions = function(obj) {
        Object.keys(obj.$options).forEach(function(key) {
            var opt = obj.$options[key];
            if ("value" in opt)
                obj.setOption(key, opt.value);
        });
    };

    this.setDefaultValue = function(path, name, value) {
        if (!path) {
            for (path in this.$defaultOptions)
                if (this.$defaultOptions[path][name])
                    break;
            if (!this.$defaultOptions[path][name])
                return false;
        }
        var opts = this.$defaultOptions[path] || (this.$defaultOptions[path] = {});
        if (opts[name]) {
            if (opts.forwardTo)
                this.setDefaultValue(opts.forwardTo, name, value);
            else
                opts[name].value = value;
        }
    };

    this.setDefaultValues = function(path, optionHash) {
        Object.keys(optionHash).forEach(function(key) {
            this.setDefaultValue(path, key, optionHash[key]);
        }, this);
    };
    
    this.warn = warn;
    this.reportError = reportError;
    
}).call(AppConfig.prototype);

exports.AppConfig = AppConfig;

});

ace.define("ace/theme/textmate",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
"use strict";

exports.isDark = false;
exports.cssClass = "ace-tm";
exports.cssText = ".ace-tm .ace_gutter {\
background: #f0f0f0;\
color: #333;\
}\
.ace-tm .ace_print-margin {\
width: 1px;\
background: #e8e8e8;\
}\
.ace-tm .ace_fold {\
background-color: #6B72E6;\
}\
.ace-tm {\
background-color: #FFFFFF;\
color: black;\
}\
.ace-tm .ace_cursor {\
color: black;\
}\
.ace-tm .ace_invisible {\
color: rgb(191, 191, 191);\
}\
.ace-tm .ace_storage,\
.ace-tm .ace_keyword {\
color: blue;\
}\
.ace-tm .ace_constant {\
color: rgb(197, 6, 11);\
}\
.ace-tm .ace_constant.ace_buildin {\
color: rgb(88, 72, 246);\
}\
.ace-tm .ace_constant.ace_language {\
color: rgb(88, 92, 246);\
}\
.ace-tm .ace_constant.ace_library {\
color: rgb(6, 150, 14);\
}\
.ace-tm .ace_invalid {\
background-color: rgba(255, 0, 0, 0.1);\
color: red;\
}\
.ace-tm .ace_support.ace_function {\
color: rgb(60, 76, 114);\
}\
.ace-tm .ace_support.ace_constant {\
color: rgb(6, 150, 14);\
}\
.ace-tm .ace_support.ace_type,\
.ace-tm .ace_support.ace_class {\
color: rgb(109, 121, 222);\
}\
.ace-tm .ace_keyword.ace_operator {\
color: rgb(104, 118, 135);\
}\
.ace-tm .ace_string {\
color: rgb(3, 106, 7);\
}\
.ace-tm .ace_comment {\
color: rgb(76, 136, 107);\
}\
.ace-tm .ace_comment.ace_doc {\
color: rgb(0, 102, 255);\
}\
.ace-tm .ace_comment.ace_doc.ace_tag {\
color: rgb(128, 159, 191);\
}\
.ace-tm .ace_constant.ace_numeric {\
color: rgb(0, 0, 205);\
}\
.ace-tm .ace_variable {\
color: rgb(49, 132, 149);\
}\
.ace-tm .ace_xml-pe {\
color: rgb(104, 104, 91);\
}\
.ace-tm .ace_entity.ace_name.ace_function {\
color: #0000A2;\
}\
.ace-tm .ace_heading {\
color: rgb(12, 7, 255);\
}\
.ace-tm .ace_list {\
color:rgb(185, 6, 144);\
}\
.ace-tm .ace_meta.ace_tag {\
color:rgb(0, 22, 142);\
}\
.ace-tm .ace_string.ace_regex {\
color: rgb(255, 0, 0)\
}\
.ace-tm .ace_marker-layer .ace_selection {\
background: rgb(181, 213, 255);\
}\
.ace-tm.ace_multiselect .ace_selection.ace_start {\
box-shadow: 0 0 3px 0px white;\
}\
.ace-tm .ace_marker-layer .ace_step {\
background: rgb(252, 255, 0);\
}\
.ace-tm .ace_marker-layer .ace_stack {\
background: rgb(164, 229, 101);\
}\
.ace-tm .ace_marker-layer .ace_bracket {\
margin: -1px 0 0 -1px;\
border: 1px solid rgb(192, 192, 192);\
}\
.ace-tm .ace_marker-layer .ace_active-line {\
background: rgba(0, 0, 0, 0.07);\
}\
.ace-tm .ace_gutter-active-line {\
background-color : #dcdcdc;\
}\
.ace-tm .ace_marker-layer .ace_selected-word {\
background: rgb(250, 250, 255);\
border: 1px solid rgb(200, 200, 250);\
}\
.ace-tm .ace_indent-guide {\
background: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAACCAYAAACZgbYnAAAAE0lEQVQImWP4////f4bLly//BwAmVgd1/w11/gAAAABJRU5ErkJggg==\") right repeat-y;\
}\
";
exports.$id = "ace/theme/textmate";

var dom = require("../lib/dom");
dom.importCssString(exports.cssText, exports.cssClass, false);
});

ace.define("ace/config",["require","exports","module","ace/lib/lang","ace/lib/oop","ace/lib/net","ace/lib/dom","ace/lib/app_config","ace/theme/textmate"], function(require, exports, module) {
"no use strict";

var lang = require("./lib/lang");
var oop = require("./lib/oop");
var net = require("./lib/net");
var dom = require("./lib/dom");
var AppConfig = require("./lib/app_config").AppConfig;

module.exports = exports = new AppConfig();

var options = {
    packaged: false,
    workerPath: null,
    modePath: null,
    themePath: null,
    basePath: "",
    suffix: ".js",
    $moduleUrls: {},
    loadWorkerFromBlob: true,
    sharedPopups: false,
    useStrictCSP: null
};

exports.get = function(key) {
    if (!options.hasOwnProperty(key))
        throw new Error("Unknown config key: " + key);
    return options[key];
};

exports.set = function(key, value) {
    if (options.hasOwnProperty(key))
        options[key] = value;
    else if (this.setDefaultValue("", key, value) == false)
        throw new Error("Unknown config key: " + key);
    if (key == "useStrictCSP")
        dom.useStrictCSP(value);
};

exports.all = function() {
    return lang.copyObject(options);
};

exports.$modes = {};
exports.moduleUrl = function(name, component) {
    if (options.$moduleUrls[name])
        return options.$moduleUrls[name];

    var parts = name.split("/");
    component = component || parts[parts.length - 2] || "";
    var sep = component == "snippets" ? "/" : "-";
    var base = parts[parts.length - 1];
    if (component == "worker" && sep == "-") {
        var re = new RegExp("^" + component + "[\\-_]|[\\-_]" + component + "$", "g");
        base = base.replace(re, "");
    }

    if ((!base || base == component) && parts.length > 1)
        base = parts[parts.length - 2];
    var path = options[component + "Path"];
    if (path == null) {
        path = options.basePath;
    } else if (sep == "/") {
        component = sep = "";
    }
    if (path && path.slice(-1) != "/")
        path += "/";
    return path + component + sep + base + this.get("suffix");
};

exports.setModuleUrl = function(name, subst) {
    return options.$moduleUrls[name] = subst;
};

var loader = function(moduleName, cb) {
    if (moduleName == "ace/theme/textmate")
        return cb(null, require("./theme/textmate"));
    return console.error("loader is not configured");
};

exports.setLoader = function(cb) {
    loader = cb;
};

exports.$loading = {};
exports.loadModule = function(moduleName, onLoad) {
    var module, moduleType;
    if (Array.isArray(moduleName)) {
        moduleType = moduleName[0];
        moduleName = moduleName[1];
    }

    try {
        module = require(moduleName);
    } catch (e) {}
    if (module && !exports.$loading[moduleName])
        return onLoad && onLoad(module);

    if (!exports.$loading[moduleName])
        exports.$loading[moduleName] = [];

    exports.$loading[moduleName].push(onLoad);

    if (exports.$loading[moduleName].length > 1)
        return;

    var afterLoad = function() {
        require([moduleName], function(module) {
            exports._emit("load.module", {name: moduleName, module: module});
            var listeners = exports.$loading[moduleName];
            exports.$loading[moduleName] = null;
            listeners.forEach(function(onLoad) {
                onLoad && onLoad(module);
            });
        });
    };

    if (!exports.get("packaged"))
        return afterLoad();
    
    net.loadScript(exports.moduleUrl(moduleName, moduleType), afterLoad);
    reportErrorIfPathIsNotConfigured();
};

var reportErrorIfPathIsNotConfigured = function() {
    if (
        !options.basePath && !options.workerPath 
        && !options.modePath && !options.themePath
        && !Object.keys(options.$moduleUrls).length
    ) {
        console.error(
            "Unable to infer path to ace from script src,",
            "use ace.config.set('basePath', 'path') to enable dynamic loading of modes and themes",
            "or with webpack use ace/webpack-resolver"
        );
        reportErrorIfPathIsNotConfigured = function() {};
    }
};

exports.version = "1.8.1";

});

ace.define("ace/loader_build",["require","exports","module","ace/lib/fixoldbrowsers","ace/config"], function(require, exports, module) {
"use strict";

require("./lib/fixoldbrowsers");
var config = require("./config");

var global = (function() {
    return this || typeof window != "undefined" && window;
})();

module.exports = function(ace) {
    config.init = init;
    ace.require = require;

    if (true)
        ace.define = __webpack_require__.amdD;
};
init(true);function init(packaged) {

    if (!global || !global.document)
        return;
    
    config.set("packaged", packaged || require.packaged || module.packaged || (global.define && __webpack_require__.amdD.packaged));

    var scriptOptions = {};
    var scriptUrl = "";
    var currentScript = (document.currentScript || document._currentScript ); // native or polyfill
    var currentDocument = currentScript && currentScript.ownerDocument || document;
    
    var scripts = currentDocument.getElementsByTagName("script");
    for (var i=0; i<scripts.length; i++) {
        var script = scripts[i];

        var src = script.src || script.getAttribute("src");
        if (!src)
            continue;

        var attributes = script.attributes;
        for (var j=0, l=attributes.length; j < l; j++) {
            var attr = attributes[j];
            if (attr.name.indexOf("data-ace-") === 0) {
                scriptOptions[deHyphenate(attr.name.replace(/^data-ace-/, ""))] = attr.value;
            }
        }

        var m = src.match(/^(.*)\/ace(\-\w+)?\.js(\?|$)/);
        if (m)
            scriptUrl = m[1];
    }

    if (scriptUrl) {
        scriptOptions.base = scriptOptions.base || scriptUrl;
        scriptOptions.packaged = true;
    }

    scriptOptions.basePath = scriptOptions.base;
    scriptOptions.workerPath = scriptOptions.workerPath || scriptOptions.base;
    scriptOptions.modePath = scriptOptions.modePath || scriptOptions.base;
    scriptOptions.themePath = scriptOptions.themePath || scriptOptions.base;
    delete scriptOptions.base;

    for (var key in scriptOptions)
        if (typeof scriptOptions[key] !== "undefined")
            config.set(key, scriptOptions[key]);
}

function deHyphenate(str) {
    return str.replace(/-(.)/g, function(m, m1) { return m1.toUpperCase(); });
}

});

ace.define("ace/lib/keys",["require","exports","module","ace/lib/oop"], function(require, exports, module) {
"use strict";

var oop = require("./oop");
var Keys = (function() {
    var ret = {
        MODIFIER_KEYS: {
            16: 'Shift', 17: 'Ctrl', 18: 'Alt', 224: 'Meta',
            91: 'MetaLeft', 92: 'MetaRight', 93: 'ContextMenu'
        },

        KEY_MODS: {
            "ctrl": 1, "alt": 2, "option" : 2, "shift": 4,
            "super": 8, "meta": 8, "command": 8, "cmd": 8, 
            "control": 1
        },

        FUNCTION_KEYS : {
            8  : "Backspace",
            9  : "Tab",
            13 : "Return",
            19 : "Pause",
            27 : "Esc",
            32 : "Space",
            33 : "PageUp",
            34 : "PageDown",
            35 : "End",
            36 : "Home",
            37 : "Left",
            38 : "Up",
            39 : "Right",
            40 : "Down",
            44 : "Print",
            45 : "Insert",
            46 : "Delete",
            96 : "Numpad0",
            97 : "Numpad1",
            98 : "Numpad2",
            99 : "Numpad3",
            100: "Numpad4",
            101: "Numpad5",
            102: "Numpad6",
            103: "Numpad7",
            104: "Numpad8",
            105: "Numpad9",
            '-13': "NumpadEnter",
            112: "F1",
            113: "F2",
            114: "F3",
            115: "F4",
            116: "F5",
            117: "F6",
            118: "F7",
            119: "F8",
            120: "F9",
            121: "F10",
            122: "F11",
            123: "F12",
            144: "Numlock",
            145: "Scrolllock"
        },

        PRINTABLE_KEYS: {
           32: ' ',  48: '0',  49: '1',  50: '2',  51: '3',  52: '4', 53:  '5',
           54: '6',  55: '7',  56: '8',  57: '9',  59: ';',  61: '=', 65:  'a',
           66: 'b',  67: 'c',  68: 'd',  69: 'e',  70: 'f',  71: 'g', 72:  'h',
           73: 'i',  74: 'j',  75: 'k',  76: 'l',  77: 'm',  78: 'n', 79:  'o',
           80: 'p',  81: 'q',  82: 'r',  83: 's',  84: 't',  85: 'u', 86:  'v',
           87: 'w',  88: 'x',  89: 'y',  90: 'z', 107: '+', 109: '-', 110: '.',
          186: ';', 187: '=', 188: ',', 189: '-', 190: '.', 191: '/', 192: '`',
          219: '[', 220: '\\',221: ']', 222: "'", 111: '/', 106: '*'
        }
    };
    var name, i;
    for (i in ret.FUNCTION_KEYS) {
        name = ret.FUNCTION_KEYS[i].toLowerCase();
        ret[name] = parseInt(i, 10);
    }
    for (i in ret.PRINTABLE_KEYS) {
        name = ret.PRINTABLE_KEYS[i].toLowerCase();
        ret[name] = parseInt(i, 10);
    }
    oop.mixin(ret, ret.MODIFIER_KEYS);
    oop.mixin(ret, ret.PRINTABLE_KEYS);
    oop.mixin(ret, ret.FUNCTION_KEYS);
    ret.enter = ret["return"];
    ret.escape = ret.esc;
    ret.del = ret["delete"];
    ret[173] = '-';
    
    (function() {
        var mods = ["cmd", "ctrl", "alt", "shift"];
        for (var i = Math.pow(2, mods.length); i--;) {            
            ret.KEY_MODS[i] = mods.filter(function(x) {
                return i & ret.KEY_MODS[x];
            }).join("-") + "-";
        }
    })();

    ret.KEY_MODS[0] = "";
    ret.KEY_MODS[-1] = "input-";

    return ret;
})();
oop.mixin(exports, Keys);

exports.keyCodeToString = function(keyCode) {
    var keyString = Keys[keyCode];
    if (typeof keyString != "string")
        keyString = String.fromCharCode(keyCode);
    return keyString.toLowerCase();
};

});

ace.define("ace/lib/event",["require","exports","module","ace/lib/keys","ace/lib/useragent"], function(require, exports, module) {
"use strict";

var keys = require("./keys");
var useragent = require("./useragent");

var pressedKeys = null;
var ts = 0;

var activeListenerOptions;
function detectListenerOptionsSupport() {
    activeListenerOptions = false;
    try {
        document.createComment("").addEventListener("test", function() {}, { 
            get passive() { 
                activeListenerOptions = {passive: false};
            }
        });
    } catch(e) {}
}

function getListenerOptions() {
    if (activeListenerOptions == undefined)
        detectListenerOptionsSupport();
    return activeListenerOptions;
}

function EventListener(elem, type, callback) {
    this.elem = elem;
    this.type = type;
    this.callback = callback;
}
EventListener.prototype.destroy = function() {
    removeListener(this.elem, this.type, this.callback);
    this.elem = this.type = this.callback = undefined;
};

var addListener = exports.addListener = function(elem, type, callback, destroyer) {
    elem.addEventListener(type, callback, getListenerOptions());
    if (destroyer)
        destroyer.$toDestroy.push(new EventListener(elem, type, callback));
};

var removeListener = exports.removeListener = function(elem, type, callback) {
    elem.removeEventListener(type, callback, getListenerOptions());
};
exports.stopEvent = function(e) {
    exports.stopPropagation(e);
    exports.preventDefault(e);
    return false;
};

exports.stopPropagation = function(e) {
    if (e.stopPropagation)
        e.stopPropagation();
};

exports.preventDefault = function(e) {
    if (e.preventDefault)
        e.preventDefault();
};
exports.getButton = function(e) {
    if (e.type == "dblclick")
        return 0;
    if (e.type == "contextmenu" || (useragent.isMac && (e.ctrlKey && !e.altKey && !e.shiftKey)))
        return 2;
    return e.button;
};

exports.capture = function(el, eventHandler, releaseCaptureHandler) {
    var ownerDocument = el && el.ownerDocument || document;
    function onMouseUp(e) {
        eventHandler && eventHandler(e);
        releaseCaptureHandler && releaseCaptureHandler(e);

        removeListener(ownerDocument, "mousemove", eventHandler);
        removeListener(ownerDocument, "mouseup", onMouseUp);
        removeListener(ownerDocument, "dragstart", onMouseUp);
    }

    addListener(ownerDocument, "mousemove", eventHandler);
    addListener(ownerDocument, "mouseup", onMouseUp);
    addListener(ownerDocument, "dragstart", onMouseUp);
    
    return onMouseUp;
};

exports.addMouseWheelListener = function(el, callback, destroyer) {
    addListener(el, "wheel",  function(e) {
        var factor = 0.15;
        var deltaX = e.deltaX || 0;
        var deltaY = e.deltaY || 0;
        switch (e.deltaMode) {
            case e.DOM_DELTA_PIXEL:
                e.wheelX = deltaX * factor;
                e.wheelY = deltaY * factor;
                break;
            case e.DOM_DELTA_LINE:
                var linePixels = 15;
                e.wheelX = deltaX * linePixels;
                e.wheelY = deltaY * linePixels;
                break;
            case e.DOM_DELTA_PAGE:
                var pagePixels = 150;
                e.wheelX = deltaX * pagePixels;
                e.wheelY = deltaY * pagePixels;
                break;
        }
        callback(e);
    }, destroyer);
};

exports.addMultiMouseDownListener = function(elements, timeouts, eventHandler, callbackName, destroyer) {
    var clicks = 0;
    var startX, startY, timer; 
    var eventNames = {
        2: "dblclick",
        3: "tripleclick",
        4: "quadclick"
    };

    function onMousedown(e) {
        if (exports.getButton(e) !== 0) {
            clicks = 0;
        } else if (e.detail > 1) {
            clicks++;
            if (clicks > 4)
                clicks = 1;
        } else {
            clicks = 1;
        }
        if (useragent.isIE) {
            var isNewClick = Math.abs(e.clientX - startX) > 5 || Math.abs(e.clientY - startY) > 5;
            if (!timer || isNewClick)
                clicks = 1;
            if (timer)
                clearTimeout(timer);
            timer = setTimeout(function() {timer = null;}, timeouts[clicks - 1] || 600);

            if (clicks == 1) {
                startX = e.clientX;
                startY = e.clientY;
            }
        }
        
        e._clicks = clicks;

        eventHandler[callbackName]("mousedown", e);

        if (clicks > 4)
            clicks = 0;
        else if (clicks > 1)
            return eventHandler[callbackName](eventNames[clicks], e);
    }
    if (!Array.isArray(elements))
        elements = [elements];
    elements.forEach(function(el) {
        addListener(el, "mousedown", onMousedown, destroyer);
    });
};

var getModifierHash = function(e) {
    return 0 | (e.ctrlKey ? 1 : 0) | (e.altKey ? 2 : 0) | (e.shiftKey ? 4 : 0) | (e.metaKey ? 8 : 0);
};

exports.getModifierString = function(e) {
    return keys.KEY_MODS[getModifierHash(e)];
};

function normalizeCommandKeys(callback, e, keyCode) {
    var hashId = getModifierHash(e);

    if (!useragent.isMac && pressedKeys) {
        if (e.getModifierState && (e.getModifierState("OS") || e.getModifierState("Win")))
            hashId |= 8;
        if (pressedKeys.altGr) {
            if ((3 & hashId) != 3)
                pressedKeys.altGr = 0;
            else
                return;
        }
        if (keyCode === 18 || keyCode === 17) {
            var location = "location" in e ? e.location : e.keyLocation;
            if (keyCode === 17 && location === 1) {
                if (pressedKeys[keyCode] == 1)
                    ts = e.timeStamp;
            } else if (keyCode === 18 && hashId === 3 && location === 2) {
                var dt = e.timeStamp - ts;
                if (dt < 50)
                    pressedKeys.altGr = true;
            }
        }
    }
    
    if (keyCode in keys.MODIFIER_KEYS) {
        keyCode = -1;
    }
    
    if (!hashId && keyCode === 13) {
        var location = "location" in e ? e.location : e.keyLocation;
        if (location === 3) {
            callback(e, hashId, -keyCode);
            if (e.defaultPrevented)
                return;
        }
    }
    
    if (useragent.isChromeOS && hashId & 8) {
        callback(e, hashId, keyCode);
        if (e.defaultPrevented)
            return;
        else
            hashId &= ~8;
    }
    if (!hashId && !(keyCode in keys.FUNCTION_KEYS) && !(keyCode in keys.PRINTABLE_KEYS)) {
        return false;
    }
    
    return callback(e, hashId, keyCode);
}


exports.addCommandKeyListener = function(el, callback, destroyer) {
    if (useragent.isOldGecko || (useragent.isOpera && !("KeyboardEvent" in window))) {
        var lastKeyDownKeyCode = null;
        addListener(el, "keydown", function(e) {
            lastKeyDownKeyCode = e.keyCode;
        }, destroyer);
        addListener(el, "keypress", function(e) {
            return normalizeCommandKeys(callback, e, lastKeyDownKeyCode);
        }, destroyer);
    } else {
        var lastDefaultPrevented = null;

        addListener(el, "keydown", function(e) {
            pressedKeys[e.keyCode] = (pressedKeys[e.keyCode] || 0) + 1;
            var result = normalizeCommandKeys(callback, e, e.keyCode);
            lastDefaultPrevented = e.defaultPrevented;
            return result;
        }, destroyer);

        addListener(el, "keypress", function(e) {
            if (lastDefaultPrevented && (e.ctrlKey || e.altKey || e.shiftKey || e.metaKey)) {
                exports.stopEvent(e);
                lastDefaultPrevented = null;
            }
        }, destroyer);

        addListener(el, "keyup", function(e) {
            pressedKeys[e.keyCode] = null;
        }, destroyer);

        if (!pressedKeys) {
            resetPressedKeys();
            addListener(window, "focus", resetPressedKeys);
        }
    }
};
function resetPressedKeys() {
    pressedKeys = Object.create(null);
}

if (typeof window == "object" && window.postMessage && !useragent.isOldIE) {
    var postMessageId = 1;
    exports.nextTick = function(callback, win) {
        win = win || window;
        var messageName = "zero-timeout-message-" + (postMessageId++);
        
        var listener = function(e) {
            if (e.data == messageName) {
                exports.stopPropagation(e);
                removeListener(win, "message", listener);
                callback();
            }
        };
        
        addListener(win, "message", listener);
        win.postMessage(messageName, "*");
    };
}

exports.$idleBlocked = false;
exports.onIdle = function(cb, timeout) {
    return setTimeout(function handler() {
        if (!exports.$idleBlocked) {
            cb();
        } else {
            setTimeout(handler, 100);
        }
    }, timeout);
};

exports.$idleBlockId = null;
exports.blockIdle = function(delay) {
    if (exports.$idleBlockId)
        clearTimeout(exports.$idleBlockId);
        
    exports.$idleBlocked = true;
    exports.$idleBlockId = setTimeout(function() {
        exports.$idleBlocked = false;
    }, delay || 100);
};

exports.nextFrame = typeof window == "object" && (window.requestAnimationFrame
    || window.mozRequestAnimationFrame
    || window.webkitRequestAnimationFrame
    || window.msRequestAnimationFrame
    || window.oRequestAnimationFrame);

if (exports.nextFrame)
    exports.nextFrame = exports.nextFrame.bind(window);
else
    exports.nextFrame = function(callback) {
        setTimeout(callback, 17);
    };
});

ace.define("ace/range",["require","exports","module"], function(require, exports, module) {
"use strict";
var comparePoints = function(p1, p2) {
    return p1.row - p2.row || p1.column - p2.column;
};
var Range = function(startRow, startColumn, endRow, endColumn) {
    this.start = {
        row: startRow,
        column: startColumn
    };

    this.end = {
        row: endRow,
        column: endColumn
    };
};

(function() {
    this.isEqual = function(range) {
        return this.start.row === range.start.row &&
            this.end.row === range.end.row &&
            this.start.column === range.start.column &&
            this.end.column === range.end.column;
    };
    this.toString = function() {
        return ("Range: [" + this.start.row + "/" + this.start.column +
            "] -> [" + this.end.row + "/" + this.end.column + "]");
    };

    this.contains = function(row, column) {
        return this.compare(row, column) == 0;
    };
    this.compareRange = function(range) {
        var cmp,
            end = range.end,
            start = range.start;

        cmp = this.compare(end.row, end.column);
        if (cmp == 1) {
            cmp = this.compare(start.row, start.column);
            if (cmp == 1) {
                return 2;
            } else if (cmp == 0) {
                return 1;
            } else {
                return 0;
            }
        } else if (cmp == -1) {
            return -2;
        } else {
            cmp = this.compare(start.row, start.column);
            if (cmp == -1) {
                return -1;
            } else if (cmp == 1) {
                return 42;
            } else {
                return 0;
            }
        }
    };
    this.comparePoint = function(p) {
        return this.compare(p.row, p.column);
    };
    this.containsRange = function(range) {
        return this.comparePoint(range.start) == 0 && this.comparePoint(range.end) == 0;
    };
    this.intersects = function(range) {
        var cmp = this.compareRange(range);
        return (cmp == -1 || cmp == 0 || cmp == 1);
    };
    this.isEnd = function(row, column) {
        return this.end.row == row && this.end.column == column;
    };
    this.isStart = function(row, column) {
        return this.start.row == row && this.start.column == column;
    };
    this.setStart = function(row, column) {
        if (typeof row == "object") {
            this.start.column = row.column;
            this.start.row = row.row;
        } else {
            this.start.row = row;
            this.start.column = column;
        }
    };
    this.setEnd = function(row, column) {
        if (typeof row == "object") {
            this.end.column = row.column;
            this.end.row = row.row;
        } else {
            this.end.row = row;
            this.end.column = column;
        }
    };
    this.inside = function(row, column) {
        if (this.compare(row, column) == 0) {
            if (this.isEnd(row, column) || this.isStart(row, column)) {
                return false;
            } else {
                return true;
            }
        }
        return false;
    };
    this.insideStart = function(row, column) {
        if (this.compare(row, column) == 0) {
            if (this.isEnd(row, column)) {
                return false;
            } else {
                return true;
            }
        }
        return false;
    };
    this.insideEnd = function(row, column) {
        if (this.compare(row, column) == 0) {
            if (this.isStart(row, column)) {
                return false;
            } else {
                return true;
            }
        }
        return false;
    };
    this.compare = function(row, column) {
        if (!this.isMultiLine()) {
            if (row === this.start.row) {
                return column < this.start.column ? -1 : (column > this.end.column ? 1 : 0);
            }
        }

        if (row < this.start.row)
            return -1;

        if (row > this.end.row)
            return 1;

        if (this.start.row === row)
            return column >= this.start.column ? 0 : -1;

        if (this.end.row === row)
            return column <= this.end.column ? 0 : 1;

        return 0;
    };
    this.compareStart = function(row, column) {
        if (this.start.row == row && this.start.column == column) {
            return -1;
        } else {
            return this.compare(row, column);
        }
    };
    this.compareEnd = function(row, column) {
        if (this.end.row == row && this.end.column == column) {
            return 1;
        } else {
            return this.compare(row, column);
        }
    };
    this.compareInside = function(row, column) {
        if (this.end.row == row && this.end.column == column) {
            return 1;
        } else if (this.start.row == row && this.start.column == column) {
            return -1;
        } else {
            return this.compare(row, column);
        }
    };
    this.clipRows = function(firstRow, lastRow) {
        if (this.end.row > lastRow)
            var end = {row: lastRow + 1, column: 0};
        else if (this.end.row < firstRow)
            var end = {row: firstRow, column: 0};

        if (this.start.row > lastRow)
            var start = {row: lastRow + 1, column: 0};
        else if (this.start.row < firstRow)
            var start = {row: firstRow, column: 0};

        return Range.fromPoints(start || this.start, end || this.end);
    };
    this.extend = function(row, column) {
        var cmp = this.compare(row, column);

        if (cmp == 0)
            return this;
        else if (cmp == -1)
            var start = {row: row, column: column};
        else
            var end = {row: row, column: column};

        return Range.fromPoints(start || this.start, end || this.end);
    };

    this.isEmpty = function() {
        return (this.start.row === this.end.row && this.start.column === this.end.column);
    };
    this.isMultiLine = function() {
        return (this.start.row !== this.end.row);
    };
    this.clone = function() {
        return Range.fromPoints(this.start, this.end);
    };
    this.collapseRows = function() {
        if (this.end.column == 0)
            return new Range(this.start.row, 0, Math.max(this.start.row, this.end.row-1), 0);
        else
            return new Range(this.start.row, 0, this.end.row, 0);
    };
    this.toScreenRange = function(session) {
        var screenPosStart = session.documentToScreenPosition(this.start);
        var screenPosEnd = session.documentToScreenPosition(this.end);

        return new Range(
            screenPosStart.row, screenPosStart.column,
            screenPosEnd.row, screenPosEnd.column
        );
    };
    this.moveBy = function(row, column) {
        this.start.row += row;
        this.start.column += column;
        this.end.row += row;
        this.end.column += column;
    };

}).call(Range.prototype);
Range.fromPoints = function(start, end) {
    return new Range(start.row, start.column, end.row, end.column);
};
Range.comparePoints = comparePoints;

Range.comparePoints = function(p1, p2) {
    return p1.row - p2.row || p1.column - p2.column;
};


exports.Range = Range;
});

ace.define("ace/clipboard",["require","exports","module"], function(require, exports, module) {
"use strict";

var $cancelT;
module.exports = { 
    lineMode: false,
    pasteCancelled: function() {
        if ($cancelT && $cancelT > Date.now() - 50)
            return true;
        return $cancelT = false;
    },
    cancel: function() {
        $cancelT = Date.now();
    }
};

});

ace.define("ace/keyboard/textinput",["require","exports","module","ace/lib/event","ace/lib/useragent","ace/lib/dom","ace/lib/lang","ace/clipboard","ace/lib/keys"], function(require, exports, module) {
"use strict";

var event = require("../lib/event");
var useragent = require("../lib/useragent");
var dom = require("../lib/dom");
var lang = require("../lib/lang");
var clipboard = require("../clipboard");
var BROKEN_SETDATA = useragent.isChrome < 18;
var USE_IE_MIME_TYPE =  useragent.isIE;
var HAS_FOCUS_ARGS = useragent.isChrome > 63;
var MAX_LINE_LENGTH = 400;

var KEYS = require("../lib/keys");
var MODS = KEYS.KEY_MODS;
var isIOS = useragent.isIOS;
var valueResetRegex = isIOS ? /\s/ : /\n/;
var isMobile = useragent.isMobile;

var TextInput = function(parentNode, host) {
    var text = dom.createElement("textarea");
    text.className = "ace_text-input";

    text.setAttribute("wrap", "off");
    text.setAttribute("autocorrect", "off");
    text.setAttribute("autocapitalize", "off");
    text.setAttribute("spellcheck", false);

    text.style.opacity = "0";
    parentNode.insertBefore(text, parentNode.firstChild);

    var copied = false;
    var pasted = false;
    var inComposition = false;
    var sendingText = false;
    var tempStyle = '';
    
    if (!isMobile)
        text.style.fontSize = "1px";

    var commandMode = false;
    var ignoreFocusEvents = false;
    
    var lastValue = "";
    var lastSelectionStart = 0;
    var lastSelectionEnd = 0;
    var lastRestoreEnd = 0;
    try { var isFocused = document.activeElement === text; } catch(e) {}
    
    event.addListener(text, "blur", function(e) {
        if (ignoreFocusEvents) return;
        host.onBlur(e);
        isFocused = false;
    }, host);
    event.addListener(text, "focus", function(e) {
        if (ignoreFocusEvents) return;
        isFocused = true;
        if (useragent.isEdge) {
            try {
                if (!document.hasFocus())
                    return;
            } catch(e) {}
        }
        host.onFocus(e);
        if (useragent.isEdge)
            setTimeout(resetSelection);
        else
            resetSelection();
    }, host);
    this.$focusScroll = false;
    this.focus = function() {
        if (tempStyle || HAS_FOCUS_ARGS || this.$focusScroll == "browser")
            return text.focus({ preventScroll: true });

        var top = text.style.top;
        text.style.position = "fixed";
        text.style.top = "0px";
        try {
            var isTransformed = text.getBoundingClientRect().top != 0;
        } catch(e) {
            return;
        }
        var ancestors = [];
        if (isTransformed) {
            var t = text.parentElement;
            while (t && t.nodeType == 1) {
                ancestors.push(t);
                t.setAttribute("ace_nocontext", true);
                if (!t.parentElement && t.getRootNode)
                    t = t.getRootNode().host;
                else
                    t = t.parentElement;
            }
        }
        text.focus({ preventScroll: true });
        if (isTransformed) {
            ancestors.forEach(function(p) {
                p.removeAttribute("ace_nocontext");
            });
        }
        setTimeout(function() {
            text.style.position = "";
            if (text.style.top == "0px")
                text.style.top = top;
        }, 0);
    };
    this.blur = function() {
        text.blur();
    };
    this.isFocused = function() {
        return isFocused;
    };
    
    host.on("beforeEndOperation", function() {
        var curOp = host.curOp;
        var commandName = curOp && curOp.command && curOp.command.name;
        if (commandName == "insertstring")
            return;
        var isUserAction = commandName && (curOp.docChanged || curOp.selectionChanged);
        if (inComposition && isUserAction) {
            lastValue = text.value = "";
            onCompositionEnd();
        }
        resetSelection();
    });
    
    var resetSelection = isIOS
    ? function(value) {
        if (!isFocused || (copied && !value) || sendingText) return;
        if (!value) 
            value = "";
        var newValue = "\n ab" + value + "cde fg\n";
        if (newValue != text.value)
            text.value = lastValue = newValue;
        
        var selectionStart = 4;
        var selectionEnd = 4 + (value.length || (host.selection.isEmpty() ? 0 : 1));

        if (lastSelectionStart != selectionStart || lastSelectionEnd != selectionEnd) {
            text.setSelectionRange(selectionStart, selectionEnd);
        }
        lastSelectionStart = selectionStart;
        lastSelectionEnd = selectionEnd;
    }
    : function() {
        if (inComposition || sendingText)
            return;
        if (!isFocused && !afterContextMenu)
            return;
        inComposition = true;
        
        var selectionStart = 0;
        var selectionEnd = 0;
        var line = "";

        if (host.session) {
            var selection = host.selection;
            var range = selection.getRange();
            var row = selection.cursor.row;
            selectionStart = range.start.column;
            selectionEnd = range.end.column;
            line = host.session.getLine(row);

            if (range.start.row != row) {
                var prevLine = host.session.getLine(row - 1);
                selectionStart = range.start.row < row - 1 ? 0 : selectionStart;
                selectionEnd += prevLine.length + 1;
                line = prevLine + "\n" + line;
            }
            else if (range.end.row != row) {
                var nextLine = host.session.getLine(row + 1);
                selectionEnd = range.end.row > row  + 1 ? nextLine.length : selectionEnd;
                selectionEnd += line.length + 1;
                line = line + "\n" + nextLine;
            }
            else if (isMobile && row > 0) {
                line = "\n" + line;
                selectionEnd += 1;
                selectionStart += 1;
            }

            if (line.length > MAX_LINE_LENGTH) {
                if (selectionStart < MAX_LINE_LENGTH && selectionEnd < MAX_LINE_LENGTH) {
                    line = line.slice(0, MAX_LINE_LENGTH);
                } else {
                    line = "\n";
                    if (selectionStart == selectionEnd) {
                        selectionStart = selectionEnd = 0;
                    }
                    else {
                        selectionStart = 0;
                        selectionEnd = 1;
                    }
                }
            }
        }

        var newValue = line + "\n\n";
        if (newValue != lastValue) {
            text.value = lastValue = newValue;
            lastSelectionStart = lastSelectionEnd = newValue.length;
        }
        if (afterContextMenu) {
            lastSelectionStart = text.selectionStart;
            lastSelectionEnd = text.selectionEnd;
        }
        if (
            lastSelectionEnd != selectionEnd 
            || lastSelectionStart != selectionStart 
            || text.selectionEnd != lastSelectionEnd // on ie edge selectionEnd changes silently after the initialization
        ) {
            try {
                text.setSelectionRange(selectionStart, selectionEnd);
                lastSelectionStart = selectionStart;
                lastSelectionEnd = selectionEnd;
            } catch(e){}
        }
        inComposition = false;
    };
    this.resetSelection = resetSelection;

    if (isFocused)
        host.onFocus();


    var isAllSelected = function(text) {
        return text.selectionStart === 0 && text.selectionEnd >= lastValue.length
            && text.value === lastValue && lastValue
            && text.selectionEnd !== lastSelectionEnd;
    };

    var onSelect = function(e) {
        if (inComposition)
            return;
        if (copied) {
            copied = false;
        } else if (isAllSelected(text)) {
            host.selectAll();
            resetSelection();
        } else if (isMobile && text.selectionStart != lastSelectionStart) {
            resetSelection();
        }
    };

    var inputHandler = null;
    this.setInputHandler = function(cb) {inputHandler = cb;};
    this.getInputHandler = function() {return inputHandler;};
    var afterContextMenu = false;
    
    var sendText = function(value, fromInput) {
        if (afterContextMenu)
            afterContextMenu = false;
        if (pasted) {
            resetSelection();
            if (value)
                host.onPaste(value);
            pasted = false;
            return "";
        } else {
            var selectionStart = text.selectionStart;
            var selectionEnd = text.selectionEnd;
        
            var extendLeft = lastSelectionStart;
            var extendRight = lastValue.length - lastSelectionEnd;
            
            var inserted = value;
            var restoreStart = value.length - selectionStart;
            var restoreEnd = value.length - selectionEnd;
        
            var i = 0;
            while (extendLeft > 0 && lastValue[i] == value[i]) {
                i++;
                extendLeft--;
            }
            inserted = inserted.slice(i);
            i = 1;
            while (extendRight > 0 && lastValue.length - i > lastSelectionStart - 1  && lastValue[lastValue.length - i] == value[value.length - i]) {
                i++;
                extendRight--;
            }
            restoreStart -= i-1;
            restoreEnd -= i-1;
            var endIndex = inserted.length - i + 1;
            if (endIndex < 0) {
                extendLeft = -endIndex;
                endIndex = 0;
            } 
            inserted = inserted.slice(0, endIndex);
            if (!fromInput && !inserted && !restoreStart && !extendLeft && !extendRight && !restoreEnd)
                return "";
            sendingText = true;
            var shouldReset = false;
            if (useragent.isAndroid && inserted == ". ") {
                inserted = "  ";
                shouldReset = true;
            }
            
            if (inserted && !extendLeft && !extendRight && !restoreStart && !restoreEnd || commandMode) {
                host.onTextInput(inserted);
            } else {
                host.onTextInput(inserted, {
                    extendLeft: extendLeft,
                    extendRight: extendRight,
                    restoreStart: restoreStart,
                    restoreEnd: restoreEnd
                });
            }
            sendingText = false;
            
            lastValue = value;
            lastSelectionStart = selectionStart;
            lastSelectionEnd = selectionEnd;
            lastRestoreEnd = restoreEnd;
            return shouldReset ? "\n" : inserted;
        }
    };
    var onInput = function(e) {
        if (inComposition)
            return onCompositionUpdate();
        if (e && e.inputType) {
            if (e.inputType == "historyUndo") return host.execCommand("undo");
            if (e.inputType == "historyRedo") return host.execCommand("redo");
        }
        var data = text.value;
        var inserted = sendText(data, true);
        if (
            data.length > MAX_LINE_LENGTH + 100 
            || valueResetRegex.test(inserted)
            || isMobile && lastSelectionStart < 1 && lastSelectionStart == lastSelectionEnd
        ) {
            resetSelection();
        }
    };
    
    var handleClipboardData = function(e, data, forceIEMime) {
        var clipboardData = e.clipboardData || window.clipboardData;
        if (!clipboardData || BROKEN_SETDATA)
            return;
        var mime = USE_IE_MIME_TYPE || forceIEMime ? "Text" : "text/plain";
        try {
            if (data) {
                return clipboardData.setData(mime, data) !== false;
            } else {
                return clipboardData.getData(mime);
            }
        } catch(e) {
            if (!forceIEMime)
                return handleClipboardData(e, data, true);
        }
    };

    var doCopy = function(e, isCut) {
        var data = host.getCopyText();
        if (!data)
            return event.preventDefault(e);

        if (handleClipboardData(e, data)) {
            if (isIOS) {
                resetSelection(data);
                copied = data;
                setTimeout(function () {
                    copied = false;
                }, 10);
            }
            isCut ? host.onCut() : host.onCopy();
            event.preventDefault(e);
        } else {
            copied = true;
            text.value = data;
            text.select();
            setTimeout(function(){
                copied = false;
                resetSelection();
                isCut ? host.onCut() : host.onCopy();
            });
        }
    };
    
    var onCut = function(e) {
        doCopy(e, true);
    };
    
    var onCopy = function(e) {
        doCopy(e, false);
    };
    
    var onPaste = function(e) {
        var data = handleClipboardData(e);
        if (clipboard.pasteCancelled())
            return;
        if (typeof data == "string") {
            if (data)
                host.onPaste(data, e);
            if (useragent.isIE)
                setTimeout(resetSelection);
            event.preventDefault(e);
        }
        else {
            text.value = "";
            pasted = true;
        }
    };

    event.addCommandKeyListener(text, host.onCommandKey.bind(host), host);

    event.addListener(text, "select", onSelect, host);
    event.addListener(text, "input", onInput, host);

    event.addListener(text, "cut", onCut, host);
    event.addListener(text, "copy", onCopy, host);
    event.addListener(text, "paste", onPaste, host);
    if (!('oncut' in text) || !('oncopy' in text) || !('onpaste' in text)) {
        event.addListener(parentNode, "keydown", function(e) {
            if ((useragent.isMac && !e.metaKey) || !e.ctrlKey)
                return;

            switch (e.keyCode) {
                case 67:
                    onCopy(e);
                    break;
                case 86:
                    onPaste(e);
                    break;
                case 88:
                    onCut(e);
                    break;
            }
        }, host);
    }
    var onCompositionStart = function(e) {
        if (inComposition || !host.onCompositionStart || host.$readOnly) 
            return;
        
        inComposition = {};

        if (commandMode)
            return;
        
        if (e.data)
            inComposition.useTextareaForIME = false;
        
        setTimeout(onCompositionUpdate, 0);
        host._signal("compositionStart");
        host.on("mousedown", cancelComposition);
        
        var range = host.getSelectionRange();
        range.end.row = range.start.row;
        range.end.column = range.start.column;
        inComposition.markerRange = range;
        inComposition.selectionStart = lastSelectionStart;
        host.onCompositionStart(inComposition);
        
        if (inComposition.useTextareaForIME) {
            lastValue = text.value = "";
            lastSelectionStart = 0;
            lastSelectionEnd = 0;
        }
        else {
            if (text.msGetInputContext)
                inComposition.context = text.msGetInputContext();
            if (text.getInputContext)
                inComposition.context = text.getInputContext();
        }
    };

    var onCompositionUpdate = function() {
        if (!inComposition || !host.onCompositionUpdate || host.$readOnly)
            return;
        if (commandMode)
            return cancelComposition();
        
        if (inComposition.useTextareaForIME) {
            host.onCompositionUpdate(text.value);
        }
        else {
            var data = text.value;
            sendText(data);
            if (inComposition.markerRange) {
                if (inComposition.context) {
                    inComposition.markerRange.start.column = inComposition.selectionStart
                        = inComposition.context.compositionStartOffset;
                }
                inComposition.markerRange.end.column = inComposition.markerRange.start.column
                    + lastSelectionEnd - inComposition.selectionStart + lastRestoreEnd;
            }
        }
    };

    var onCompositionEnd = function(e) {
        if (!host.onCompositionEnd || host.$readOnly) return;
        inComposition = false;
        host.onCompositionEnd();
        host.off("mousedown", cancelComposition);
        if (e) onInput();
    };
    

    function cancelComposition() {
        ignoreFocusEvents = true;
        text.blur();
        text.focus();
        ignoreFocusEvents = false;
    }

    var syncComposition = lang.delayedCall(onCompositionUpdate, 50).schedule.bind(null, null);
    
    function onKeyup(e) {
        if (e.keyCode == 27 && text.value.length < text.selectionStart) {
            if (!inComposition)
                lastValue = text.value;
            lastSelectionStart = lastSelectionEnd = -1;
            resetSelection();
        }
        syncComposition();
    }

    event.addListener(text, "compositionstart", onCompositionStart, host);
    event.addListener(text, "compositionupdate", onCompositionUpdate, host);
    event.addListener(text, "keyup", onKeyup, host);
    event.addListener(text, "keydown", syncComposition, host);
    event.addListener(text, "compositionend", onCompositionEnd, host);

    this.getElement = function() {
        return text;
    };
    this.setCommandMode = function(value) {
        commandMode = value;
        text.readOnly = false;
    };
    
    this.setReadOnly = function(readOnly) {
        if (!commandMode)
            text.readOnly = readOnly;
    };

    this.setCopyWithEmptySelection = function(value) {
    };

    this.onContextMenu = function(e) {
        afterContextMenu = true;
        resetSelection();
        host._emit("nativecontextmenu", {target: host, domEvent: e});
        this.moveToMouse(e, true);
    };
    
    this.moveToMouse = function(e, bringToFront) {
        if (!tempStyle)
            tempStyle = text.style.cssText;
        text.style.cssText = (bringToFront ? "z-index:100000;" : "")
            + (useragent.isIE ? "opacity:0.1;" : "")
            + "text-indent: -" + (lastSelectionStart + lastSelectionEnd) * host.renderer.characterWidth * 0.5 + "px;";

        var rect = host.container.getBoundingClientRect();
        var style = dom.computedStyle(host.container);
        var top = rect.top + (parseInt(style.borderTopWidth) || 0);
        var left = rect.left + (parseInt(rect.borderLeftWidth) || 0);
        var maxTop = rect.bottom - top - text.clientHeight -2;
        var move = function(e) {
            dom.translate(text, e.clientX - left - 2, Math.min(e.clientY - top - 2, maxTop));
        }; 
        move(e);

        if (e.type != "mousedown")
            return;

        host.renderer.$isMousePressed = true;

        clearTimeout(closeTimeout);
        if (useragent.isWin)
            event.capture(host.container, move, onContextMenuClose);
    };

    this.onContextMenuClose = onContextMenuClose;
    var closeTimeout;
    function onContextMenuClose() {
        clearTimeout(closeTimeout);
        closeTimeout = setTimeout(function () {
            if (tempStyle) {
                text.style.cssText = tempStyle;
                tempStyle = '';
            }
            host.renderer.$isMousePressed = false;
            if (host.renderer.$keepTextAreaAtCursor)
                host.renderer.$moveTextAreaToCursor();
        }, 0);
    }

    var onContextMenu = function(e) {
        host.textInput.onContextMenu(e);
        onContextMenuClose();
    };
    event.addListener(text, "mouseup", onContextMenu, host);
    event.addListener(text, "mousedown", function(e) {
        e.preventDefault();
        onContextMenuClose();
    }, host);
    event.addListener(host.renderer.scroller, "contextmenu", onContextMenu, host);
    event.addListener(text, "contextmenu", onContextMenu, host);
    
    if (isIOS)
        addIosSelectionHandler(parentNode, host, text);

    function addIosSelectionHandler(parentNode, host, text) {
        var typingResetTimeout = null;
        var typing = false;

        text.addEventListener("keydown", function (e) {
            if (typingResetTimeout) clearTimeout(typingResetTimeout);
            typing = true;
        }, true);

        text.addEventListener("keyup", function (e) {
            typingResetTimeout = setTimeout(function () {
                typing = false;
            }, 100);
        }, true);
        var detectArrowKeys = function(e) {
            if (document.activeElement !== text) return;
            if (typing || inComposition || host.$mouseHandler.isMousePressed) return;

            if (copied) {
                return;
            }
            var selectionStart = text.selectionStart;
            var selectionEnd = text.selectionEnd;
            
            var key = null;
            var modifier = 0;
            if (selectionStart == 0) {
                key = KEYS.up;
            } else if (selectionStart == 1) {
                key = KEYS.home;
            } else if (selectionEnd > lastSelectionEnd && lastValue[selectionEnd] == "\n") {
                key = KEYS.end;
            } else if (selectionStart < lastSelectionStart && lastValue[selectionStart - 1] == " ") {
                key = KEYS.left;
                modifier = MODS.option;
            } else if (
                selectionStart < lastSelectionStart
                || (
                    selectionStart == lastSelectionStart 
                    && lastSelectionEnd != lastSelectionStart
                    && selectionStart == selectionEnd
                )
            ) {
                key = KEYS.left;
            } else if (selectionEnd > lastSelectionEnd && lastValue.slice(0, selectionEnd).split("\n").length > 2) {
                key = KEYS.down;
            } else if (selectionEnd > lastSelectionEnd && lastValue[selectionEnd - 1] == " ") {
                key = KEYS.right;
                modifier = MODS.option;
            } else if (
                selectionEnd > lastSelectionEnd
                || (
                    selectionEnd == lastSelectionEnd 
                    && lastSelectionEnd != lastSelectionStart
                    && selectionStart == selectionEnd
                )
            ) {
                key = KEYS.right;
            }
            
            if (selectionStart !== selectionEnd)
                modifier |= MODS.shift;

            if (key) {
                var result = host.onCommandKey({}, modifier, key);
                if (!result && host.commands) {
                    key = KEYS.keyCodeToString(key);
                    var command = host.commands.findKeyCommand(modifier, key);
                    if (command)
                        host.execCommand(command);
                }
                lastSelectionStart = selectionStart;
                lastSelectionEnd = selectionEnd;
                resetSelection("");
            }
        };
        document.addEventListener("selectionchange", detectArrowKeys);
        host.on("destroy", function() {
            document.removeEventListener("selectionchange", detectArrowKeys);
        });
    }

    this.destroy = function() {
        if (text.parentElement)
            text.parentElement.removeChild(text);
    };
};

exports.TextInput = TextInput;
exports.$setUserAgentForTests = function(_isMobile, _isIOS) {
    isMobile = _isMobile;
    isIOS = _isIOS;
};
});

ace.define("ace/mouse/default_handlers",["require","exports","module","ace/lib/useragent"], function(require, exports, module) {
"use strict";

var useragent = require("../lib/useragent");

var DRAG_OFFSET = 0; // pixels
var SCROLL_COOLDOWN_T = 550; // milliseconds

function DefaultHandlers(mouseHandler) {
    mouseHandler.$clickSelection = null;

    var editor = mouseHandler.editor;
    editor.setDefaultHandler("mousedown", this.onMouseDown.bind(mouseHandler));
    editor.setDefaultHandler("dblclick", this.onDoubleClick.bind(mouseHandler));
    editor.setDefaultHandler("tripleclick", this.onTripleClick.bind(mouseHandler));
    editor.setDefaultHandler("quadclick", this.onQuadClick.bind(mouseHandler));
    editor.setDefaultHandler("mousewheel", this.onMouseWheel.bind(mouseHandler));

    var exports = ["select", "startSelect", "selectEnd", "selectAllEnd", "selectByWordsEnd",
        "selectByLinesEnd", "dragWait", "dragWaitEnd", "focusWait"];

    exports.forEach(function(x) {
        mouseHandler[x] = this[x];
    }, this);

    mouseHandler.selectByLines = this.extendSelectionBy.bind(mouseHandler, "getLineRange");
    mouseHandler.selectByWords = this.extendSelectionBy.bind(mouseHandler, "getWordRange");
}

(function() {

    this.onMouseDown = function(ev) {
        var inSelection = ev.inSelection();
        var pos = ev.getDocumentPosition();
        this.mousedownEvent = ev;
        var editor = this.editor;

        var button = ev.getButton();
        if (button !== 0) {
            var selectionRange = editor.getSelectionRange();
            var selectionEmpty = selectionRange.isEmpty();
            if (selectionEmpty || button == 1)
                editor.selection.moveToPosition(pos);
            if (button == 2) {
                editor.textInput.onContextMenu(ev.domEvent);
                if (!useragent.isMozilla)
                    ev.preventDefault();
            }
            return;
        }

        this.mousedownEvent.time = Date.now();
        if (inSelection && !editor.isFocused()) {
            editor.focus();
            if (this.$focusTimeout && !this.$clickSelection && !editor.inMultiSelectMode) {
                this.setState("focusWait");
                this.captureMouse(ev);
                return;
            }
        }

        this.captureMouse(ev);
        this.startSelect(pos, ev.domEvent._clicks > 1);
        return ev.preventDefault();
    };

    this.startSelect = function(pos, waitForClickSelection) {
        pos = pos || this.editor.renderer.screenToTextCoordinates(this.x, this.y);
        var editor = this.editor;
        if (!this.mousedownEvent) return;
        if (this.mousedownEvent.getShiftKey())
            editor.selection.selectToPosition(pos);
        else if (!waitForClickSelection)
            editor.selection.moveToPosition(pos);
        if (!waitForClickSelection)
            this.select();
        if (editor.renderer.scroller.setCapture) {
            editor.renderer.scroller.setCapture();
        }
        editor.setStyle("ace_selecting");
        this.setState("select");
    };

    this.select = function() {
        var anchor, editor = this.editor;
        var cursor = editor.renderer.screenToTextCoordinates(this.x, this.y);
        if (this.$clickSelection) {
            var cmp = this.$clickSelection.comparePoint(cursor);

            if (cmp == -1) {
                anchor = this.$clickSelection.end;
            } else if (cmp == 1) {
                anchor = this.$clickSelection.start;
            } else {
                var orientedRange = calcRangeOrientation(this.$clickSelection, cursor);
                cursor = orientedRange.cursor;
                anchor = orientedRange.anchor;
            }
            editor.selection.setSelectionAnchor(anchor.row, anchor.column);
        }
        editor.selection.selectToPosition(cursor);
        editor.renderer.scrollCursorIntoView();
    };

    this.extendSelectionBy = function(unitName) {
        var anchor, editor = this.editor;
        var cursor = editor.renderer.screenToTextCoordinates(this.x, this.y);
        var range = editor.selection[unitName](cursor.row, cursor.column);
        if (this.$clickSelection) {
            var cmpStart = this.$clickSelection.comparePoint(range.start);
            var cmpEnd = this.$clickSelection.comparePoint(range.end);

            if (cmpStart == -1 && cmpEnd <= 0) {
                anchor = this.$clickSelection.end;
                if (range.end.row != cursor.row || range.end.column != cursor.column)
                    cursor = range.start;
            } else if (cmpEnd == 1 && cmpStart >= 0) {
                anchor = this.$clickSelection.start;
                if (range.start.row != cursor.row || range.start.column != cursor.column)
                    cursor = range.end;
            } else if (cmpStart == -1 && cmpEnd == 1) {
                cursor = range.end;
                anchor = range.start;
            } else {
                var orientedRange = calcRangeOrientation(this.$clickSelection, cursor);
                cursor = orientedRange.cursor;
                anchor = orientedRange.anchor;
            }
            editor.selection.setSelectionAnchor(anchor.row, anchor.column);
        }
        editor.selection.selectToPosition(cursor);
        editor.renderer.scrollCursorIntoView();
    };

    this.selectEnd =
    this.selectAllEnd =
    this.selectByWordsEnd =
    this.selectByLinesEnd = function() {
        this.$clickSelection = null;
        this.editor.unsetStyle("ace_selecting");
        if (this.editor.renderer.scroller.releaseCapture) {
            this.editor.renderer.scroller.releaseCapture();
        }
    };

    this.focusWait = function() {
        var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
        var time = Date.now();

        if (distance > DRAG_OFFSET || time - this.mousedownEvent.time > this.$focusTimeout)
            this.startSelect(this.mousedownEvent.getDocumentPosition());
    };

    this.onDoubleClick = function(ev) {
        var pos = ev.getDocumentPosition();
        var editor = this.editor;
        var session = editor.session;

        var range = session.getBracketRange(pos);
        if (range) {
            if (range.isEmpty()) {
                range.start.column--;
                range.end.column++;
            }
            this.setState("select");
        } else {
            range = editor.selection.getWordRange(pos.row, pos.column);
            this.setState("selectByWords");
        }
        this.$clickSelection = range;
        this.select();
    };

    this.onTripleClick = function(ev) {
        var pos = ev.getDocumentPosition();
        var editor = this.editor;

        this.setState("selectByLines");
        var range = editor.getSelectionRange();
        if (range.isMultiLine() && range.contains(pos.row, pos.column)) {
            this.$clickSelection = editor.selection.getLineRange(range.start.row);
            this.$clickSelection.end = editor.selection.getLineRange(range.end.row).end;
        } else {
            this.$clickSelection = editor.selection.getLineRange(pos.row);
        }
        this.select();
    };

    this.onQuadClick = function(ev) {
        var editor = this.editor;

        editor.selectAll();
        this.$clickSelection = editor.getSelectionRange();
        this.setState("selectAll");
    };

    this.onMouseWheel = function(ev) {
        if (ev.getAccelKey())
            return;
        if (ev.getShiftKey() && ev.wheelY && !ev.wheelX) {
            ev.wheelX = ev.wheelY;
            ev.wheelY = 0;
        }
        
        var editor = this.editor;
        
        if (!this.$lastScroll)
            this.$lastScroll = { t: 0, vx: 0, vy: 0, allowed: 0 };
        
        var prevScroll = this.$lastScroll;
        var t = ev.domEvent.timeStamp;
        var dt = t - prevScroll.t;
        var vx = dt ? ev.wheelX / dt : prevScroll.vx;
        var vy = dt ? ev.wheelY / dt : prevScroll.vy;
        if (dt < SCROLL_COOLDOWN_T) {
            vx = (vx + prevScroll.vx) / 2;
            vy = (vy + prevScroll.vy) / 2;
        }
        
        var direction = Math.abs(vx / vy);
        
        var canScroll = false;
        if (direction >= 1 && editor.renderer.isScrollableBy(ev.wheelX * ev.speed, 0))
            canScroll = true;
        if (direction <= 1 && editor.renderer.isScrollableBy(0, ev.wheelY * ev.speed))
            canScroll = true;
            
        if (canScroll) {
            prevScroll.allowed = t;
        } else if (t - prevScroll.allowed < SCROLL_COOLDOWN_T) {
            var isSlower = Math.abs(vx) <= 1.5 * Math.abs(prevScroll.vx)
                && Math.abs(vy) <= 1.5 * Math.abs(prevScroll.vy);
            if (isSlower) {
                canScroll = true;
                prevScroll.allowed = t;
            }
            else {
                prevScroll.allowed = 0;
            }
        }
        
        prevScroll.t = t;
        prevScroll.vx = vx;
        prevScroll.vy = vy;

        if (canScroll) {
            editor.renderer.scrollBy(ev.wheelX * ev.speed, ev.wheelY * ev.speed);
            return ev.stop();
        }
    };

}).call(DefaultHandlers.prototype);

exports.DefaultHandlers = DefaultHandlers;

function calcDistance(ax, ay, bx, by) {
    return Math.sqrt(Math.pow(bx - ax, 2) + Math.pow(by - ay, 2));
}

function calcRangeOrientation(range, cursor) {
    if (range.start.row == range.end.row)
        var cmp = 2 * cursor.column - range.start.column - range.end.column;
    else if (range.start.row == range.end.row - 1 && !range.start.column && !range.end.column)
        var cmp = cursor.column - 4;
    else
        var cmp = 2 * cursor.row - range.start.row - range.end.row;

    if (cmp < 0)
        return {cursor: range.start, anchor: range.end};
    else
        return {cursor: range.end, anchor: range.start};
}

});

ace.define("ace/tooltip",["require","exports","module","ace/lib/oop","ace/lib/dom"], function(require, exports, module) {
"use strict";

var oop = require("./lib/oop");
var dom = require("./lib/dom");

var CLASSNAME = "ace_tooltip";
function Tooltip (parentNode) {
    this.isOpen = false;
    this.$element = null;
    this.$parentNode = parentNode;
}

(function() {
    this.$init = function() {
        this.$element = dom.createElement("div");
        this.$element.className = CLASSNAME;
        this.$element.style.display = "none";
        this.$parentNode.appendChild(this.$element);
        return this.$element;
    };
    this.getElement = function() {
        return this.$element || this.$init();
    };
    this.setText = function(text) {
        this.getElement().textContent = text;
    };
    this.setHtml = function(html) {
        this.getElement().innerHTML = html;
    };
    this.setPosition = function(x, y) {
        this.getElement().style.left = x + "px";
        this.getElement().style.top = y + "px";
    };
    this.setClassName = function(className) {
        dom.addCssClass(this.getElement(), className);
    };
    this.show = function(text, x, y) {
        if (text != null)
            this.setText(text);
        if (x != null && y != null)
            this.setPosition(x, y);
        if (!this.isOpen) {
            this.getElement().style.display = "block";
            this.isOpen = true;
        }
    };

    this.hide = function() {
        if (this.isOpen) {
            this.getElement().style.display = "none";
            this.getElement().className = CLASSNAME;
            this.isOpen = false;
        }
    };
    this.getHeight = function() {
        return this.getElement().offsetHeight;
    };
    this.getWidth = function() {
        return this.getElement().offsetWidth;
    };
    
    this.destroy = function() {
        this.isOpen = false;
        if (this.$element && this.$element.parentNode) {
            this.$element.parentNode.removeChild(this.$element);
        }
    };

}).call(Tooltip.prototype);

exports.Tooltip = Tooltip;
});

ace.define("ace/mouse/default_gutter_handler",["require","exports","module","ace/lib/dom","ace/lib/oop","ace/lib/event","ace/tooltip"], function(require, exports, module) {
"use strict";
var dom = require("../lib/dom");
var oop = require("../lib/oop");
var event = require("../lib/event");
var Tooltip = require("../tooltip").Tooltip;

function GutterHandler(mouseHandler) {
    var editor = mouseHandler.editor;
    var gutter = editor.renderer.$gutterLayer;
    var tooltip = new GutterTooltip(editor.container);

    mouseHandler.editor.setDefaultHandler("guttermousedown", function(e) {
        if (!editor.isFocused() || e.getButton() != 0)
            return;
        var gutterRegion = gutter.getRegion(e);

        if (gutterRegion == "foldWidgets")
            return;

        var row = e.getDocumentPosition().row;
        var selection = editor.session.selection;

        if (e.getShiftKey())
            selection.selectTo(row, 0);
        else {
            if (e.domEvent.detail == 2) {
                editor.selectAll();
                return e.preventDefault();
            }
            mouseHandler.$clickSelection = editor.selection.getLineRange(row);
        }
        mouseHandler.setState("selectByLines");
        mouseHandler.captureMouse(e);
        return e.preventDefault();
    });


    var tooltipTimeout, mouseEvent, tooltipAnnotation;

    function showTooltip() {
        var row = mouseEvent.getDocumentPosition().row;
        var annotation = gutter.$annotations[row];
        if (!annotation)
            return hideTooltip();

        var maxRow = editor.session.getLength();
        if (row == maxRow) {
            var screenRow = editor.renderer.pixelToScreenCoordinates(0, mouseEvent.y).row;
            var pos = mouseEvent.$pos;
            if (screenRow > editor.session.documentToScreenRow(pos.row, pos.column))
                return hideTooltip();
        }

        if (tooltipAnnotation == annotation)
            return;
        tooltipAnnotation = annotation.text.join("<br/>");

        tooltip.setHtml(tooltipAnnotation);

        var annotationClassName = annotation.className;
        if (annotationClassName) {
            tooltip.setClassName(annotationClassName.trim());
        }

        tooltip.show();
        editor._signal("showGutterTooltip", tooltip);
        editor.on("mousewheel", hideTooltip);

        if (mouseHandler.$tooltipFollowsMouse) {
            moveTooltip(mouseEvent);
        } else {
            var gutterElement = mouseEvent.domEvent.target;
            var rect = gutterElement.getBoundingClientRect();
            var style = tooltip.getElement().style;
            style.left = rect.right + "px";
            style.top = rect.bottom + "px";
        }
    }

    function hideTooltip() {
        if (tooltipTimeout)
            tooltipTimeout = clearTimeout(tooltipTimeout);
        if (tooltipAnnotation) {
            tooltip.hide();
            tooltipAnnotation = null;
            editor._signal("hideGutterTooltip", tooltip);
            editor.off("mousewheel", hideTooltip);
        }
    }

    function moveTooltip(e) {
        tooltip.setPosition(e.x, e.y);
    }

    mouseHandler.editor.setDefaultHandler("guttermousemove", function(e) {
        var target = e.domEvent.target || e.domEvent.srcElement;
        if (dom.hasCssClass(target, "ace_fold-widget"))
            return hideTooltip();

        if (tooltipAnnotation && mouseHandler.$tooltipFollowsMouse)
            moveTooltip(e);

        mouseEvent = e;
        if (tooltipTimeout)
            return;
        tooltipTimeout = setTimeout(function() {
            tooltipTimeout = null;
            if (mouseEvent && !mouseHandler.isMousePressed)
                showTooltip();
            else
                hideTooltip();
        }, 50);
    });

    event.addListener(editor.renderer.$gutter, "mouseout", function(e) {
        mouseEvent = null;
        if (!tooltipAnnotation || tooltipTimeout)
            return;

        tooltipTimeout = setTimeout(function() {
            tooltipTimeout = null;
            hideTooltip();
        }, 50);
    }, editor);
    
    editor.on("changeSession", hideTooltip);
}

function GutterTooltip(parentNode) {
    Tooltip.call(this, parentNode);
}

oop.inherits(GutterTooltip, Tooltip);

(function(){
    this.setPosition = function(x, y) {
        var windowWidth = window.innerWidth || document.documentElement.clientWidth;
        var windowHeight = window.innerHeight || document.documentElement.clientHeight;
        var width = this.getWidth();
        var height = this.getHeight();
        x += 15;
        y += 15;
        if (x + width > windowWidth) {
            x -= (x + width) - windowWidth;
        }
        if (y + height > windowHeight) {
            y -= 20 + height;
        }
        Tooltip.prototype.setPosition.call(this, x, y);
    };

}).call(GutterTooltip.prototype);



exports.GutterHandler = GutterHandler;

});

ace.define("ace/mouse/mouse_event",["require","exports","module","ace/lib/event","ace/lib/useragent"], function(require, exports, module) {
"use strict";

var event = require("../lib/event");
var useragent = require("../lib/useragent");
var MouseEvent = exports.MouseEvent = function(domEvent, editor) {
    this.domEvent = domEvent;
    this.editor = editor;
    
    this.x = this.clientX = domEvent.clientX;
    this.y = this.clientY = domEvent.clientY;

    this.$pos = null;
    this.$inSelection = null;
    
    this.propagationStopped = false;
    this.defaultPrevented = false;
};

(function() {  
    
    this.stopPropagation = function() {
        event.stopPropagation(this.domEvent);
        this.propagationStopped = true;
    };
    
    this.preventDefault = function() {
        event.preventDefault(this.domEvent);
        this.defaultPrevented = true;
    };
    
    this.stop = function() {
        this.stopPropagation();
        this.preventDefault();
    };
    this.getDocumentPosition = function() {
        if (this.$pos)
            return this.$pos;
        
        this.$pos = this.editor.renderer.screenToTextCoordinates(this.clientX, this.clientY);
        return this.$pos;
    };
    this.inSelection = function() {
        if (this.$inSelection !== null)
            return this.$inSelection;
            
        var editor = this.editor;
        

        var selectionRange = editor.getSelectionRange();
        if (selectionRange.isEmpty())
            this.$inSelection = false;
        else {
            var pos = this.getDocumentPosition();
            this.$inSelection = selectionRange.contains(pos.row, pos.column);
        }

        return this.$inSelection;
    };
    this.getButton = function() {
        return event.getButton(this.domEvent);
    };
    this.getShiftKey = function() {
        return this.domEvent.shiftKey;
    };
    
    this.getAccelKey = useragent.isMac
        ? function() { return this.domEvent.metaKey; }
        : function() { return this.domEvent.ctrlKey; };
    
}).call(MouseEvent.prototype);

});

ace.define("ace/mouse/dragdrop_handler",["require","exports","module","ace/lib/dom","ace/lib/event","ace/lib/useragent"], function(require, exports, module) {
"use strict";

var dom = require("../lib/dom");
var event = require("../lib/event");
var useragent = require("../lib/useragent");

var AUTOSCROLL_DELAY = 200;
var SCROLL_CURSOR_DELAY = 200;
var SCROLL_CURSOR_HYSTERESIS = 5;

function DragdropHandler(mouseHandler) {

    var editor = mouseHandler.editor;

    var dragImage = dom.createElement("div");
    dragImage.style.cssText = "top:-100px;position:absolute;z-index:2147483647;opacity:0.5";
    dragImage.textContent = "\xa0";

    var exports = ["dragWait", "dragWaitEnd", "startDrag", "dragReadyEnd", "onMouseDrag"];

    exports.forEach(function(x) {
        mouseHandler[x] = this[x];
    }, this);
    editor.on("mousedown", this.onMouseDown.bind(mouseHandler));

    var mouseTarget = editor.container;
    var dragSelectionMarker, x, y;
    var timerId, range;
    var dragCursor, counter = 0;
    var dragOperation;
    var isInternal;
    var autoScrollStartTime;
    var cursorMovedTime;
    var cursorPointOnCaretMoved;

    this.onDragStart = function(e) {
        if (this.cancelDrag || !mouseTarget.draggable) {
            var self = this;
            setTimeout(function(){
                self.startSelect();
                self.captureMouse(e);
            }, 0);
            return e.preventDefault();
        }
        range = editor.getSelectionRange();

        var dataTransfer = e.dataTransfer;
        dataTransfer.effectAllowed = editor.getReadOnly() ? "copy" : "copyMove";
        editor.container.appendChild(dragImage);

        dataTransfer.setDragImage && dataTransfer.setDragImage(dragImage, 0, 0);
        setTimeout(function() {
            editor.container.removeChild(dragImage);
        });
        dataTransfer.clearData();
        dataTransfer.setData("Text", editor.session.getTextRange());

        isInternal = true;
        this.setState("drag");
    };

    this.onDragEnd = function(e) {
        mouseTarget.draggable = false;
        isInternal = false;
        this.setState(null);
        if (!editor.getReadOnly()) {
            var dropEffect = e.dataTransfer.dropEffect;
            if (!dragOperation && dropEffect == "move")
                editor.session.remove(editor.getSelectionRange());
            editor.$resetCursorStyle();
        }
        this.editor.unsetStyle("ace_dragging");
        this.editor.renderer.setCursorStyle("");
    };

    this.onDragEnter = function(e) {
        if (editor.getReadOnly() || !canAccept(e.dataTransfer))
            return;
        x = e.clientX;
        y = e.clientY;
        if (!dragSelectionMarker)
            addDragMarker();
        counter++;
        e.dataTransfer.dropEffect = dragOperation = getDropEffect(e);
        return event.preventDefault(e);
    };

    this.onDragOver = function(e) {
        if (editor.getReadOnly() || !canAccept(e.dataTransfer))
            return;
        x = e.clientX;
        y = e.clientY;
        if (!dragSelectionMarker) {
            addDragMarker();
            counter++;
        }
        if (onMouseMoveTimer !== null)
            onMouseMoveTimer = null;

        e.dataTransfer.dropEffect = dragOperation = getDropEffect(e);
        return event.preventDefault(e);
    };

    this.onDragLeave = function(e) {
        counter--;
        if (counter <= 0 && dragSelectionMarker) {
            clearDragMarker();
            dragOperation = null;
            return event.preventDefault(e);
        }
    };

    this.onDrop = function(e) {
        if (!dragCursor)
            return;
        var dataTransfer = e.dataTransfer;
        if (isInternal) {
            switch (dragOperation) {
                case "move":
                    if (range.contains(dragCursor.row, dragCursor.column)) {
                        range = {
                            start: dragCursor,
                            end: dragCursor
                        };
                    } else {
                        range = editor.moveText(range, dragCursor);
                    }
                    break;
                case "copy":
                    range = editor.moveText(range, dragCursor, true);
                    break;
            }
        } else {
            var dropData = dataTransfer.getData('Text');
            range = {
                start: dragCursor,
                end: editor.session.insert(dragCursor, dropData)
            };
            editor.focus();
            dragOperation = null;
        }
        clearDragMarker();
        return event.preventDefault(e);
    };

    event.addListener(mouseTarget, "dragstart", this.onDragStart.bind(mouseHandler), editor);
    event.addListener(mouseTarget, "dragend", this.onDragEnd.bind(mouseHandler), editor);
    event.addListener(mouseTarget, "dragenter", this.onDragEnter.bind(mouseHandler), editor);
    event.addListener(mouseTarget, "dragover", this.onDragOver.bind(mouseHandler), editor);
    event.addListener(mouseTarget, "dragleave", this.onDragLeave.bind(mouseHandler), editor);
    event.addListener(mouseTarget, "drop", this.onDrop.bind(mouseHandler), editor);

    function scrollCursorIntoView(cursor, prevCursor) {
        var now = Date.now();
        var vMovement = !prevCursor || cursor.row != prevCursor.row;
        var hMovement = !prevCursor || cursor.column != prevCursor.column;
        if (!cursorMovedTime || vMovement || hMovement) {
            editor.moveCursorToPosition(cursor);
            cursorMovedTime = now;
            cursorPointOnCaretMoved = {x: x, y: y};
        } else {
            var distance = calcDistance(cursorPointOnCaretMoved.x, cursorPointOnCaretMoved.y, x, y);
            if (distance > SCROLL_CURSOR_HYSTERESIS) {
                cursorMovedTime = null;
            } else if (now - cursorMovedTime >= SCROLL_CURSOR_DELAY) {
                editor.renderer.scrollCursorIntoView();
                cursorMovedTime = null;
            }
        }
    }

    function autoScroll(cursor, prevCursor) {
        var now = Date.now();
        var lineHeight = editor.renderer.layerConfig.lineHeight;
        var characterWidth = editor.renderer.layerConfig.characterWidth;
        var editorRect = editor.renderer.scroller.getBoundingClientRect();
        var offsets = {
           x: {
               left: x - editorRect.left,
               right: editorRect.right - x
           },
           y: {
               top: y - editorRect.top,
               bottom: editorRect.bottom - y
           }
        };
        var nearestXOffset = Math.min(offsets.x.left, offsets.x.right);
        var nearestYOffset = Math.min(offsets.y.top, offsets.y.bottom);
        var scrollCursor = {row: cursor.row, column: cursor.column};
        if (nearestXOffset / characterWidth <= 2) {
            scrollCursor.column += (offsets.x.left < offsets.x.right ? -3 : +2);
        }
        if (nearestYOffset / lineHeight <= 1) {
            scrollCursor.row += (offsets.y.top < offsets.y.bottom ? -1 : +1);
        }
        var vScroll = cursor.row != scrollCursor.row;
        var hScroll = cursor.column != scrollCursor.column;
        var vMovement = !prevCursor || cursor.row != prevCursor.row;
        if (vScroll || (hScroll && !vMovement)) {
            if (!autoScrollStartTime)
                autoScrollStartTime = now;
            else if (now - autoScrollStartTime >= AUTOSCROLL_DELAY)
                editor.renderer.scrollCursorIntoView(scrollCursor);
        } else {
            autoScrollStartTime = null;
        }
    }

    function onDragInterval() {
        var prevCursor = dragCursor;
        dragCursor = editor.renderer.screenToTextCoordinates(x, y);
        scrollCursorIntoView(dragCursor, prevCursor);
        autoScroll(dragCursor, prevCursor);
    }

    function addDragMarker() {
        range = editor.selection.toOrientedRange();
        dragSelectionMarker = editor.session.addMarker(range, "ace_selection", editor.getSelectionStyle());
        editor.clearSelection();
        if (editor.isFocused())
            editor.renderer.$cursorLayer.setBlinking(false);
        clearInterval(timerId);
        onDragInterval();
        timerId = setInterval(onDragInterval, 20);
        counter = 0;
        event.addListener(document, "mousemove", onMouseMove);
    }

    function clearDragMarker() {
        clearInterval(timerId);
        editor.session.removeMarker(dragSelectionMarker);
        dragSelectionMarker = null;
        editor.selection.fromOrientedRange(range);
        if (editor.isFocused() && !isInternal)
            editor.$resetCursorStyle();
        range = null;
        dragCursor = null;
        counter = 0;
        autoScrollStartTime = null;
        cursorMovedTime = null;
        event.removeListener(document, "mousemove", onMouseMove);
    }
    var onMouseMoveTimer = null;
    function onMouseMove() {
        if (onMouseMoveTimer == null) {
            onMouseMoveTimer = setTimeout(function() {
                if (onMouseMoveTimer != null && dragSelectionMarker)
                    clearDragMarker();
            }, 20);
        }
    }

    function canAccept(dataTransfer) {
        var types = dataTransfer.types;
        return !types || Array.prototype.some.call(types, function(type) {
            return type == 'text/plain' || type == 'Text';
        });
    }

    function getDropEffect(e) {
        var copyAllowed = ['copy', 'copymove', 'all', 'uninitialized'];
        var moveAllowed = ['move', 'copymove', 'linkmove', 'all', 'uninitialized'];

        var copyModifierState = useragent.isMac ? e.altKey : e.ctrlKey;
        var effectAllowed = "uninitialized";
        try {
            effectAllowed = e.dataTransfer.effectAllowed.toLowerCase();
        } catch (e) {}
        var dropEffect = "none";

        if (copyModifierState && copyAllowed.indexOf(effectAllowed) >= 0)
            dropEffect = "copy";
        else if (moveAllowed.indexOf(effectAllowed) >= 0)
            dropEffect = "move";
        else if (copyAllowed.indexOf(effectAllowed) >= 0)
            dropEffect = "copy";

        return dropEffect;
    }
}

(function() {

    this.dragWait = function() {
        var interval = Date.now() - this.mousedownEvent.time;
        if (interval > this.editor.getDragDelay())
            this.startDrag();
    };

    this.dragWaitEnd = function() {
        var target = this.editor.container;
        target.draggable = false;
        this.startSelect(this.mousedownEvent.getDocumentPosition());
        this.selectEnd();
    };

    this.dragReadyEnd = function(e) {
        this.editor.$resetCursorStyle();
        this.editor.unsetStyle("ace_dragging");
        this.editor.renderer.setCursorStyle("");
        this.dragWaitEnd();
    };

    this.startDrag = function(){
        this.cancelDrag = false;
        var editor = this.editor;
        var target = editor.container;
        target.draggable = true;
        editor.renderer.$cursorLayer.setBlinking(false);
        editor.setStyle("ace_dragging");
        var cursorStyle = useragent.isWin ? "default" : "move";
        editor.renderer.setCursorStyle(cursorStyle);
        this.setState("dragReady");
    };

    this.onMouseDrag = function(e) {
        var target = this.editor.container;
        if (useragent.isIE && this.state == "dragReady") {
            var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
            if (distance > 3)
                target.dragDrop();
        }
        if (this.state === "dragWait") {
            var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
            if (distance > 0) {
                target.draggable = false;
                this.startSelect(this.mousedownEvent.getDocumentPosition());
            }
        }
    };

    this.onMouseDown = function(e) {
        if (!this.$dragEnabled)
            return;
        this.mousedownEvent = e;
        var editor = this.editor;

        var inSelection = e.inSelection();
        var button = e.getButton();
        var clickCount = e.domEvent.detail || 1;
        if (clickCount === 1 && button === 0 && inSelection) {
            if (e.editor.inMultiSelectMode && (e.getAccelKey() || e.getShiftKey()))
                return;
            this.mousedownEvent.time = Date.now();
            var eventTarget = e.domEvent.target || e.domEvent.srcElement;
            if ("unselectable" in eventTarget)
                eventTarget.unselectable = "on";
            if (editor.getDragDelay()) {
                if (useragent.isWebKit) {
                    this.cancelDrag = true;
                    var mouseTarget = editor.container;
                    mouseTarget.draggable = true;
                }
                this.setState("dragWait");
            } else {
                this.startDrag();
            }
            this.captureMouse(e, this.onMouseDrag.bind(this));
            e.defaultPrevented = true;
        }
    };

}).call(DragdropHandler.prototype);


function calcDistance(ax, ay, bx, by) {
    return Math.sqrt(Math.pow(bx - ax, 2) + Math.pow(by - ay, 2));
}

exports.DragdropHandler = DragdropHandler;

});

ace.define("ace/mouse/touch_handler",["require","exports","module","ace/mouse/mouse_event","ace/lib/event","ace/lib/dom"], function(require, exports, module) {
"use strict";

var MouseEvent = require("./mouse_event").MouseEvent;
var event = require("../lib/event");
var dom = require("../lib/dom");

exports.addTouchListeners = function(el, editor) {
    var mode = "scroll";
    var startX;
    var startY;
    var touchStartT;
    var lastT;
    var longTouchTimer;
    var animationTimer;
    var animationSteps = 0;
    var pos;
    var clickCount = 0;
    var vX = 0;
    var vY = 0;
    var pressed;
    var contextMenu;
    
    function createContextMenu() {
        var clipboard = window.navigator && window.navigator.clipboard;
        var isOpen = false;
        var updateMenu = function() {
            var selected = editor.getCopyText();
            var hasUndo = editor.session.getUndoManager().hasUndo();
            contextMenu.replaceChild(
                dom.buildDom(isOpen ? ["span",
                    !selected && ["span", { class: "ace_mobile-button", action: "selectall" }, "Select All"],
                    selected && ["span", { class: "ace_mobile-button", action: "copy" }, "Copy"],
                    selected && ["span", { class: "ace_mobile-button", action: "cut" }, "Cut"],
                    clipboard && ["span", { class: "ace_mobile-button", action: "paste" }, "Paste"],
                    hasUndo && ["span", { class: "ace_mobile-button", action: "undo" }, "Undo"],
                    ["span", { class: "ace_mobile-button", action: "find" }, "Find"],
                    ["span", { class: "ace_mobile-button", action: "openCommandPallete" }, "Pallete"]
                ] : ["span"]),
                contextMenu.firstChild
            );
        };
        var handleClick = function(e) {
            var action = e.target.getAttribute("action");

            if (action == "more" || !isOpen) {
                isOpen = !isOpen;
                return updateMenu();
            }
            if (action == "paste") {
                clipboard.readText().then(function (text) {
                    editor.execCommand(action, text);
                });
            }
            else if (action) {
                if (action == "cut" || action == "copy") {
                    if (clipboard)
                        clipboard.writeText(editor.getCopyText());
                    else
                        document.execCommand("copy");
                }
                editor.execCommand(action);
            }
            contextMenu.firstChild.style.display = "none";
            isOpen = false;
            if (action != "openCommandPallete")
                editor.focus();
        };
        contextMenu = dom.buildDom(["div",
            {
                class: "ace_mobile-menu",
                ontouchstart: function(e) {
                    mode = "menu";
                    e.stopPropagation();
                    e.preventDefault();
                    editor.textInput.focus();
                },
                ontouchend: function(e) {
                    e.stopPropagation();
                    e.preventDefault();
                    handleClick(e);
                },
                onclick: handleClick
            },
            ["span"],
            ["span", { class: "ace_mobile-button", action: "more" }, "..."]
        ], editor.container);
    }
    function showContextMenu() {
        if (!contextMenu) createContextMenu();
        var cursor = editor.selection.cursor;
        var pagePos = editor.renderer.textToScreenCoordinates(cursor.row, cursor.column);
        var leftOffset = editor.renderer.textToScreenCoordinates(0, 0).pageX;
        var scrollLeft = editor.renderer.scrollLeft;
        var rect = editor.container.getBoundingClientRect();
        contextMenu.style.top = pagePos.pageY - rect.top - 3 + "px";
        if (pagePos.pageX - rect.left < rect.width - 70) {
            contextMenu.style.left = "";
            contextMenu.style.right = "10px";
        } else {
            contextMenu.style.right = "";
            contextMenu.style.left = leftOffset + scrollLeft - rect.left + "px";
        }
        contextMenu.style.display = "";
        contextMenu.firstChild.style.display = "none";
        editor.on("input", hideContextMenu);
    }
    function hideContextMenu(e) {
        if (contextMenu)
            contextMenu.style.display = "none";
        editor.off("input", hideContextMenu);
    }

    function handleLongTap() {
        longTouchTimer = null;
        clearTimeout(longTouchTimer);
        var range = editor.selection.getRange();
        var inSelection = range.contains(pos.row, pos.column);
        if (range.isEmpty() || !inSelection) {
            editor.selection.moveToPosition(pos);
            editor.selection.selectWord();
        }
        mode = "wait";
        showContextMenu();
    }
    function switchToSelectionMode() {
        longTouchTimer = null;
        clearTimeout(longTouchTimer);
        editor.selection.moveToPosition(pos);
        var range = clickCount >= 2
            ? editor.selection.getLineRange(pos.row)
            : editor.session.getBracketRange(pos);
        if (range && !range.isEmpty()) {
            editor.selection.setRange(range);
        } else {
            editor.selection.selectWord();
        }
        mode = "wait";
    }
    event.addListener(el, "contextmenu", function(e) {
        if (!pressed) return;
        var textarea = editor.textInput.getElement();
        textarea.focus();
    }, editor);
    event.addListener(el, "touchstart", function (e) {
        var touches = e.touches;
        if (longTouchTimer || touches.length > 1) {
            clearTimeout(longTouchTimer);
            longTouchTimer = null;
            touchStartT = -1;
            mode = "zoom";
            return;
        }
        
        pressed = editor.$mouseHandler.isMousePressed = true;
        var h = editor.renderer.layerConfig.lineHeight;
        var w = editor.renderer.layerConfig.lineHeight;
        var t = e.timeStamp;
        lastT = t;
        var touchObj = touches[0];
        var x = touchObj.clientX;
        var y = touchObj.clientY;
        if (Math.abs(startX - x) + Math.abs(startY - y) > h)
            touchStartT = -1;
        
        startX = e.clientX = x;
        startY = e.clientY = y;
        vX = vY = 0;
        
        var ev = new MouseEvent(e, editor);
        pos = ev.getDocumentPosition();

        if (t - touchStartT < 500 && touches.length == 1 && !animationSteps) {
            clickCount++;
            e.preventDefault();
            e.button = 0;
            switchToSelectionMode();
        } else {
            clickCount = 0;
            var cursor = editor.selection.cursor;
            var anchor = editor.selection.isEmpty() ? cursor : editor.selection.anchor;
            
            var cursorPos = editor.renderer.$cursorLayer.getPixelPosition(cursor, true);
            var anchorPos = editor.renderer.$cursorLayer.getPixelPosition(anchor, true);
            var rect = editor.renderer.scroller.getBoundingClientRect();
            var offsetTop = editor.renderer.layerConfig.offset;
            var offsetLeft = editor.renderer.scrollLeft;
            var weightedDistance = function(x, y) {
                x = x / w;
                y = y / h - 0.75;
                return x * x + y * y;
            };
            
            if (e.clientX < rect.left) {
                mode = "zoom";
                return;
            }
            
            var diff1 = weightedDistance(
                e.clientX - rect.left - cursorPos.left + offsetLeft,
                e.clientY - rect.top - cursorPos.top + offsetTop
            );
            var diff2 = weightedDistance(
                e.clientX - rect.left - anchorPos.left + offsetLeft,
                e.clientY - rect.top - anchorPos.top + offsetTop
            );
            if (diff1 < 3.5 && diff2 < 3.5)
                mode = diff1 > diff2 ? "cursor" : "anchor";
                
            if (diff2 < 3.5)
                mode = "anchor";
            else if (diff1 < 3.5)
                mode = "cursor";
            else
                mode = "scroll";
            longTouchTimer = setTimeout(handleLongTap, 450);
        }
        touchStartT = t;
    }, editor);

    event.addListener(el, "touchend", function (e) {
        pressed = editor.$mouseHandler.isMousePressed = false;
        if (animationTimer) clearInterval(animationTimer);
        if (mode == "zoom") {
            mode = "";
            animationSteps = 0;
        } else if (longTouchTimer) {
            editor.selection.moveToPosition(pos);
            animationSteps = 0;
            showContextMenu();
        } else if (mode == "scroll") {
            animate();
            hideContextMenu();
        } else {
            showContextMenu();
        }
        clearTimeout(longTouchTimer);
        longTouchTimer = null;
    }, editor);
    event.addListener(el, "touchmove", function (e) {
        if (longTouchTimer) {
            clearTimeout(longTouchTimer);
            longTouchTimer = null;
        }
        var touches = e.touches;
        if (touches.length > 1 || mode == "zoom") return;

        var touchObj = touches[0];

        var wheelX = startX - touchObj.clientX;
        var wheelY = startY - touchObj.clientY;

        if (mode == "wait") {
            if (wheelX * wheelX + wheelY * wheelY > 4)
                mode = "cursor";
            else
                return e.preventDefault();
        }

        startX = touchObj.clientX;
        startY = touchObj.clientY;

        e.clientX = touchObj.clientX;
        e.clientY = touchObj.clientY;

        var t = e.timeStamp;
        var dt = t - lastT;
        lastT = t;
        if (mode == "scroll") {
            var mouseEvent = new MouseEvent(e, editor);
            mouseEvent.speed = 1;
            mouseEvent.wheelX = wheelX;
            mouseEvent.wheelY = wheelY;
            if (10 * Math.abs(wheelX) < Math.abs(wheelY)) wheelX = 0;
            if (10 * Math.abs(wheelY) < Math.abs(wheelX)) wheelY = 0;
            if (dt != 0) {
                vX = wheelX / dt;
                vY = wheelY / dt;
            }
            editor._emit("mousewheel", mouseEvent);
            if (!mouseEvent.propagationStopped) {
                vX = vY = 0;
            }
        }
        else {
            var ev = new MouseEvent(e, editor);
            var pos = ev.getDocumentPosition();
            if (mode == "cursor")
                editor.selection.moveCursorToPosition(pos);
            else if (mode == "anchor")
                editor.selection.setSelectionAnchor(pos.row, pos.column);
            editor.renderer.scrollCursorIntoView(pos);
            e.preventDefault();
        }
    }, editor);

    function animate() {
        animationSteps += 60;
        animationTimer = setInterval(function() {
            if (animationSteps-- <= 0) {
                clearInterval(animationTimer);
                animationTimer = null;
            }
            if (Math.abs(vX) < 0.01) vX = 0;
            if (Math.abs(vY) < 0.01) vY = 0;
            if (animationSteps < 20) vX = 0.9 * vX;
            if (animationSteps < 20) vY = 0.9 * vY;
            var oldScrollTop = editor.session.getScrollTop();
            editor.renderer.scrollBy(10 * vX, 10 * vY);
            if (oldScrollTop == editor.session.getScrollTop())
                animationSteps = 0;
        }, 10);
    }
};

});

ace.define("ace/mouse/mouse_handler",["require","exports","module","ace/lib/event","ace/lib/useragent","ace/mouse/default_handlers","ace/mouse/default_gutter_handler","ace/mouse/mouse_event","ace/mouse/dragdrop_handler","ace/mouse/touch_handler","ace/config"], function(require, exports, module) {
"use strict";

var event = require("../lib/event");
var useragent = require("../lib/useragent");
var DefaultHandlers = require("./default_handlers").DefaultHandlers;
var DefaultGutterHandler = require("./default_gutter_handler").GutterHandler;
var MouseEvent = require("./mouse_event").MouseEvent;
var DragdropHandler = require("./dragdrop_handler").DragdropHandler;
var addTouchListeners = require("./touch_handler").addTouchListeners;
var config = require("../config");

var MouseHandler = function(editor) {
    var _self = this;
    this.editor = editor;

    new DefaultHandlers(this);
    new DefaultGutterHandler(this);
    new DragdropHandler(this);

    var focusEditor = function(e) {
        var windowBlurred = !document.hasFocus || !document.hasFocus()
            || !editor.isFocused() && document.activeElement == (editor.textInput && editor.textInput.getElement());
        if (windowBlurred)
            window.focus();
        editor.focus();
        setTimeout(function () {
            if (!editor.isFocused()) editor.focus();
        });
    };

    var mouseTarget = editor.renderer.getMouseEventTarget();
    event.addListener(mouseTarget, "click", this.onMouseEvent.bind(this, "click"), editor);
    event.addListener(mouseTarget, "mousemove", this.onMouseMove.bind(this, "mousemove"), editor);
    event.addMultiMouseDownListener([
        mouseTarget,
        editor.renderer.scrollBarV && editor.renderer.scrollBarV.inner,
        editor.renderer.scrollBarH && editor.renderer.scrollBarH.inner,
        editor.textInput && editor.textInput.getElement()
    ].filter(Boolean), [400, 300, 250], this, "onMouseEvent", editor);
    event.addMouseWheelListener(editor.container, this.onMouseWheel.bind(this, "mousewheel"), editor);
    addTouchListeners(editor.container, editor);

    var gutterEl = editor.renderer.$gutter;
    event.addListener(gutterEl, "mousedown", this.onMouseEvent.bind(this, "guttermousedown"), editor);
    event.addListener(gutterEl, "click", this.onMouseEvent.bind(this, "gutterclick"), editor);
    event.addListener(gutterEl, "dblclick", this.onMouseEvent.bind(this, "gutterdblclick"), editor);
    event.addListener(gutterEl, "mousemove", this.onMouseEvent.bind(this, "guttermousemove"), editor);

    event.addListener(mouseTarget, "mousedown", focusEditor, editor);
    event.addListener(gutterEl, "mousedown", focusEditor, editor);
    if (useragent.isIE && editor.renderer.scrollBarV) {
        event.addListener(editor.renderer.scrollBarV.element, "mousedown", focusEditor, editor);
        event.addListener(editor.renderer.scrollBarH.element, "mousedown", focusEditor, editor);
    }

    editor.on("mousemove", function(e){
        if (_self.state || _self.$dragDelay || !_self.$dragEnabled)
            return;

        var character = editor.renderer.screenToTextCoordinates(e.x, e.y);
        var range = editor.session.selection.getRange();
        var renderer = editor.renderer;

        if (!range.isEmpty() && range.insideStart(character.row, character.column)) {
            renderer.setCursorStyle("default");
        } else {
            renderer.setCursorStyle("");
        }
    }, editor);
};

(function() {
    this.onMouseEvent = function(name, e) {
        if (!this.editor.session) return;
        this.editor._emit(name, new MouseEvent(e, this.editor));
    };

    this.onMouseMove = function(name, e) {
        var listeners = this.editor._eventRegistry && this.editor._eventRegistry.mousemove;
        if (!listeners || !listeners.length)
            return;

        this.editor._emit(name, new MouseEvent(e, this.editor));
    };

    this.onMouseWheel = function(name, e) {
        var mouseEvent = new MouseEvent(e, this.editor);
        mouseEvent.speed = this.$scrollSpeed * 2;
        mouseEvent.wheelX = e.wheelX;
        mouseEvent.wheelY = e.wheelY;

        this.editor._emit(name, mouseEvent);
    };
    
    this.setState = function(state) {
        this.state = state;
    };

    this.captureMouse = function(ev, mouseMoveHandler) {
        this.x = ev.x;
        this.y = ev.y;

        this.isMousePressed = true;
        var editor = this.editor;
        var renderer = this.editor.renderer;
        renderer.$isMousePressed = true;

        var self = this;
        var onMouseMove = function(e) {
            if (!e) return;
            if (useragent.isWebKit && !e.which && self.releaseMouse)
                return self.releaseMouse();

            self.x = e.clientX;
            self.y = e.clientY;
            mouseMoveHandler && mouseMoveHandler(e);
            self.mouseEvent = new MouseEvent(e, self.editor);
            self.$mouseMoved = true;
        };

        var onCaptureEnd = function(e) {
            editor.off("beforeEndOperation", onOperationEnd);
            clearInterval(timerId);
            if (editor.session) onCaptureInterval();
            self[self.state + "End"] && self[self.state + "End"](e);
            self.state = "";
            self.isMousePressed = renderer.$isMousePressed = false;
            if (renderer.$keepTextAreaAtCursor)
                renderer.$moveTextAreaToCursor();
            self.$onCaptureMouseMove = self.releaseMouse = null;
            e && self.onMouseEvent("mouseup", e);
            editor.endOperation();
        };

        var onCaptureInterval = function() {
            self[self.state] && self[self.state]();
            self.$mouseMoved = false;
        };

        if (useragent.isOldIE && ev.domEvent.type == "dblclick") {
            return setTimeout(function() {onCaptureEnd(ev);});
        }

        var onOperationEnd = function(e) {
            if (!self.releaseMouse) return;
            if (editor.curOp.command.name && editor.curOp.selectionChanged) {
                self[self.state + "End"] && self[self.state + "End"]();
                self.state = "";
                self.releaseMouse();
            }
        };

        editor.on("beforeEndOperation", onOperationEnd);
        editor.startOperation({command: {name: "mouse"}});

        self.$onCaptureMouseMove = onMouseMove;
        self.releaseMouse = event.capture(this.editor.container, onMouseMove, onCaptureEnd);
        var timerId = setInterval(onCaptureInterval, 20);
    };
    this.releaseMouse = null;
    this.cancelContextMenu = function() {
        var stop = function(e) {
            if (e && e.domEvent && e.domEvent.type != "contextmenu")
                return;
            this.editor.off("nativecontextmenu", stop);
            if (e && e.domEvent)
                event.stopEvent(e.domEvent);
        }.bind(this);
        setTimeout(stop, 10);
        this.editor.on("nativecontextmenu", stop);
    };
    this.destroy = function() {
        if (this.releaseMouse) this.releaseMouse();
    };
}).call(MouseHandler.prototype);

config.defineOptions(MouseHandler.prototype, "mouseHandler", {
    scrollSpeed: {initialValue: 2},
    dragDelay: {initialValue: (useragent.isMac ? 150 : 0)},
    dragEnabled: {initialValue: true},
    focusTimeout: {initialValue: 0},
    tooltipFollowsMouse: {initialValue: true}
});


exports.MouseHandler = MouseHandler;
});

ace.define("ace/mouse/fold_handler",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
"use strict";
var dom = require("../lib/dom");

function FoldHandler(editor) {

    editor.on("click", function(e) {
        var position = e.getDocumentPosition();
        var session = editor.session;
        var fold = session.getFoldAt(position.row, position.column, 1);
        if (fold) {
            if (e.getAccelKey())
                session.removeFold(fold);
            else
                session.expandFold(fold);

            e.stop();
        }
        
        var target = e.domEvent && e.domEvent.target;
        if (target && dom.hasCssClass(target, "ace_inline_button")) {
            if (dom.hasCssClass(target, "ace_toggle_wrap")) {
                session.setOption("wrap", !session.getUseWrapMode());
                editor.renderer.scrollCursorIntoView();
            }
        }
    });

    editor.on("gutterclick", function(e) {
        var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);

        if (gutterRegion == "foldWidgets") {
            var row = e.getDocumentPosition().row;
            var session = editor.session;
            if (session.foldWidgets && session.foldWidgets[row])
                editor.session.onFoldWidgetClick(row, e);
            if (!editor.isFocused())
                editor.focus();
            e.stop();
        }
    });

    editor.on("gutterdblclick", function(e) {
        var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);

        if (gutterRegion == "foldWidgets") {
            var row = e.getDocumentPosition().row;
            var session = editor.session;
            var data = session.getParentFoldRangeData(row, true);
            var range = data.range || data.firstRange;

            if (range) {
                row = range.start.row;
                var fold = session.getFoldAt(row, session.getLine(row).length, 1);

                if (fold) {
                    session.removeFold(fold);
                } else {
                    session.addFold("...", range);
                    editor.renderer.scrollCursorIntoView({row: range.start.row, column: 0});
                }
            }
            e.stop();
        }
    });
}

exports.FoldHandler = FoldHandler;

});

ace.define("ace/keyboard/keybinding",["require","exports","module","ace/lib/keys","ace/lib/event"], function(require, exports, module) {
"use strict";

var keyUtil  = require("../lib/keys");
var event = require("../lib/event");

var KeyBinding = function(editor) {
    this.$editor = editor;
    this.$data = {editor: editor};
    this.$handlers = [];
    this.setDefaultHandler(editor.commands);
};

(function() {
    this.setDefaultHandler = function(kb) {
        this.removeKeyboardHandler(this.$defaultHandler);
        this.$defaultHandler = kb;
        this.addKeyboardHandler(kb, 0);
    };

    this.setKeyboardHandler = function(kb) {
        var h = this.$handlers;
        if (h[h.length - 1] == kb)
            return;

        while (h[h.length - 1] && h[h.length - 1] != this.$defaultHandler)
            this.removeKeyboardHandler(h[h.length - 1]);

        this.addKeyboardHandler(kb, 1);
    };

    this.addKeyboardHandler = function(kb, pos) {
        if (!kb)
            return;
        if (typeof kb == "function" && !kb.handleKeyboard)
            kb.handleKeyboard = kb;
        var i = this.$handlers.indexOf(kb);
        if (i != -1)
            this.$handlers.splice(i, 1);

        if (pos == undefined)
            this.$handlers.push(kb);
        else
            this.$handlers.splice(pos, 0, kb);

        if (i == -1 && kb.attach)
            kb.attach(this.$editor);
    };

    this.removeKeyboardHandler = function(kb) {
        var i = this.$handlers.indexOf(kb);
        if (i == -1)
            return false;
        this.$handlers.splice(i, 1);
        kb.detach && kb.detach(this.$editor);
        return true;
    };

    this.getKeyboardHandler = function() {
        return this.$handlers[this.$handlers.length - 1];
    };
    
    this.getStatusText = function() {
        var data = this.$data;
        var editor = data.editor;
        return this.$handlers.map(function(h) {
            return h.getStatusText && h.getStatusText(editor, data) || "";
        }).filter(Boolean).join(" ");
    };

    this.$callKeyboardHandlers = function(hashId, keyString, keyCode, e) {
        var toExecute;
        var success = false;
        var commands = this.$editor.commands;

        for (var i = this.$handlers.length; i--;) {
            toExecute = this.$handlers[i].handleKeyboard(
                this.$data, hashId, keyString, keyCode, e
            );
            if (!toExecute || !toExecute.command)
                continue;
            if (toExecute.command == "null") {
                success = true;
            } else {
                success = commands.exec(toExecute.command, this.$editor, toExecute.args, e);
            }
            if (success && e && hashId != -1 && 
                toExecute.passEvent != true && toExecute.command.passEvent != true
            ) {
                event.stopEvent(e);
            }
            if (success)
                break;
        }
        
        if (!success && hashId == -1) {
            toExecute = {command: "insertstring"};
            success = commands.exec("insertstring", this.$editor, keyString);
        }
        
        if (success && this.$editor._signal)
            this.$editor._signal("keyboardActivity", toExecute);
        
        return success;
    };

    this.onCommandKey = function(e, hashId, keyCode) {
        var keyString = keyUtil.keyCodeToString(keyCode);
        return this.$callKeyboardHandlers(hashId, keyString, keyCode, e);
    };

    this.onTextInput = function(text) {
        return this.$callKeyboardHandlers(-1, text);
    };

}).call(KeyBinding.prototype);

exports.KeyBinding = KeyBinding;
});

ace.define("ace/lib/bidiutil",["require","exports","module"], function(require, exports, module) {
"use strict";

var ArabicAlefBetIntervalsBegine = ['\u0621', '\u0641'];
var ArabicAlefBetIntervalsEnd = ['\u063A', '\u064a'];
var dir = 0, hiLevel = 0;
var lastArabic = false, hasUBAT_AL = false,  hasUBAT_B = false,  hasUBAT_S = false, hasBlockSep = false, hasSegSep = false;

var impTab_LTR = [	[	0,		3,		0,		1,		0,		0,		0	],	[	0,		3,		0,		1,		2,		2,		0	],	[	0,		3,		0,		0x11,		2,		0,		1	],	[	0,		3,		5,		5,		4,		1,		0	],	[	0,		3,		0x15,		0x15,		4,		0,		1	],	[	0,		3,		5,		5,		4,		2,		0	]
];

var impTab_RTL = [	[	2,		0,		1,		1,		0,		1,		0	],	[	2,		0,		1,		1,		0,		2,		0	],	[	2,		0,		2,		1,		3,		2,		0	],	[	2,		0,		2,		0x21,		3,		1,		1	]
];

var LTR = 0, RTL = 1;

var L = 0;
var R = 1;
var EN = 2;
var AN = 3;
var ON = 4;
var B = 5;
var S = 6;
var AL = 7;
var WS = 8;
var CS = 9;
var ES = 10;
var ET = 11;
var NSM = 12;
var LRE = 13;
var RLE = 14;
var PDF = 15;
var LRO = 16;
var RLO = 17;
var BN = 18;

var UnicodeTBL00 = [
BN,BN,BN,BN,BN,BN,BN,BN,BN,S,B,S,WS,B,BN,BN,
BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,B,B,B,S,
WS,ON,ON,ET,ET,ET,ON,ON,ON,ON,ON,ES,CS,ES,CS,CS,
EN,EN,EN,EN,EN,EN,EN,EN,EN,EN,CS,ON,ON,ON,ON,ON,
ON,L,L,L,L,L,L,L,L,L,L,L,L,L,L,L,
L,L,L,L,L,L,L,L,L,L,L,ON,ON,ON,ON,ON,
ON,L,L,L,L,L,L,L,L,L,L,L,L,L,L,L,
L,L,L,L,L,L,L,L,L,L,L,ON,ON,ON,ON,BN,
BN,BN,BN,BN,BN,B,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,
BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,BN,
CS,ON,ET,ET,ET,ET,ON,ON,ON,ON,L,ON,ON,BN,ON,ON,
ET,ET,EN,EN,ON,L,ON,ON,ON,EN,L,ON,ON,ON,ON,ON
];

var UnicodeTBL20 = [
WS,WS,WS,WS,WS,WS,WS,WS,WS,WS,WS,BN,BN,BN,L,R	,
ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,
ON,ON,ON,ON,ON,ON,ON,ON,WS,B,LRE,RLE,PDF,LRO,RLO,CS,
ET,ET,ET,ET,ET,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,
ON,ON,ON,ON,CS,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,
ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,ON,WS
];

function _computeLevels(chars, levels, len, charTypes) {
	var impTab = dir ? impTab_RTL : impTab_LTR
		, prevState = null, newClass = null, newLevel = null, newState = 0
		, action = null, cond = null, condPos = -1, i = null, ix = null, classes = [];

	if (!charTypes) {
		for (i = 0, charTypes = []; i < len; i++) {
			charTypes[i] = _getCharacterType(chars[i]);
		}
	}
	hiLevel = dir;
	lastArabic = false;
	hasUBAT_AL = false;
	hasUBAT_B = false;
	hasUBAT_S = false;
	for (ix = 0; ix < len; ix++){
		prevState = newState;
		classes[ix] = newClass = _getCharClass(chars, charTypes, classes, ix);
		newState = impTab[prevState][newClass];
		action = newState & 0xF0;
		newState &= 0x0F;
		levels[ix] = newLevel = impTab[newState][5];
		if (action > 0){
			if (action == 0x10){
				for(i = condPos; i < ix; i++){
					levels[i] = 1;
				}
				condPos = -1;
			} else {
				condPos = -1;
			}
		}
		cond = impTab[newState][6];
		if (cond){
			if(condPos == -1){
				condPos = ix;
			}
		}else{
			if (condPos > -1){
				for(i = condPos; i < ix; i++){
					levels[i] = newLevel;
				}
				condPos = -1;
			}
		}
		if (charTypes[ix] == B){
			levels[ix] = 0;
		}
		hiLevel |= newLevel;
	}
	if (hasUBAT_S){
		for(i = 0; i < len; i++){
			if(charTypes[i] == S){
				levels[i] = dir;
				for(var j = i - 1; j >= 0; j--){
					if(charTypes[j] == WS){
						levels[j] = dir;
					}else{
						break;
					}
				}
			}
		}
	}
}

function _invertLevel(lev, levels, _array) {
	if (hiLevel < lev){
		return;
	}
	if (lev == 1 && dir == RTL && !hasUBAT_B){
		_array.reverse();
		return;
	}
	var len = _array.length, start = 0, end, lo, hi, tmp;
	while(start < len){
		if (levels[start] >= lev){
			end = start + 1;
		while(end < len && levels[end] >= lev){
			end++;
		}
		for(lo = start, hi = end - 1 ; lo < hi; lo++, hi--){
			tmp = _array[lo];
			_array[lo] = _array[hi];
			_array[hi] = tmp;
		}
		start = end;
	}
	start++;
	}
}

function _getCharClass(chars, types, classes, ix) {			
	var cType = types[ix], wType, nType, len, i;
	switch(cType){
		case L:
		case R:
			lastArabic = false;
		case ON:
		case AN:
			return cType;
		case EN:
			return lastArabic ? AN : EN;
		case AL:
			lastArabic = true;
			hasUBAT_AL = true;
			return R;
		case WS:
			return ON;
		case CS:
			if (ix < 1 || (ix + 1) >= types.length ||
				((wType = classes[ix - 1]) != EN && wType != AN) ||
				((nType = types[ix + 1]) != EN && nType != AN)){
				return ON;
			}
			if (lastArabic){nType = AN;}
			return nType == wType ? nType : ON;
		case ES:
			wType = ix > 0 ? classes[ix - 1] : B;
			if (wType == EN && (ix + 1) < types.length && types[ix + 1] == EN){
				return EN;
			}
			return ON;
		case ET:
			if (ix > 0 && classes[ix - 1] == EN){
				return EN;
			}
			if (lastArabic){
				return ON;
			}
			i = ix + 1;
			len = types.length;
			while (i < len && types[i] == ET){
				i++;
			}
			if (i < len && types[i] == EN){
				return EN;
			}
			return ON;
		case NSM:
			len = types.length;
			i = ix + 1;
			while (i < len && types[i] == NSM){
				i++;
			}
			if (i < len){
				var c = chars[ix], rtlCandidate = (c >= 0x0591 && c <= 0x08FF) || c == 0xFB1E;
				
				wType = types[i];
				if (rtlCandidate && (wType == R || wType == AL)){
					return R;
				}
			}

			if (ix < 1 || (wType = types[ix - 1]) == B){
				return ON;
			}
			return classes[ix - 1];
		case B:
			lastArabic = false;
			hasUBAT_B = true;
			return dir;
		case S:
			hasUBAT_S = true;
			return ON;
		case LRE:
		case RLE:
		case LRO:
		case RLO:
		case PDF:
			lastArabic = false;
		case BN:
			return ON;
	}
}

function _getCharacterType( ch ) {		
	var uc = ch.charCodeAt(0), hi = uc >> 8;
	
	if (hi == 0) {		
		return ((uc > 0x00BF) ? L : UnicodeTBL00[uc]);
	} else if (hi == 5) {
		return (/[\u0591-\u05f4]/.test(ch) ? R : L);
	} else if (hi == 6) {
		if (/[\u0610-\u061a\u064b-\u065f\u06d6-\u06e4\u06e7-\u06ed]/.test(ch))
			return NSM;
		else if (/[\u0660-\u0669\u066b-\u066c]/.test(ch))
			return AN;
		else if (uc == 0x066A)
			return ET;
		else if (/[\u06f0-\u06f9]/.test(ch))
			return EN;			
		else
			return AL;
	} else if (hi == 0x20 && uc <= 0x205F) {
		return UnicodeTBL20[uc & 0xFF];
	} else if (hi == 0xFE) {
		return (uc >= 0xFE70 ? AL : ON);
	}		
	return ON;	
}

function _isArabicDiacritics( ch ) {
	return (ch >= '\u064b' && ch <= '\u0655');
}
exports.L = L;
exports.R = R;
exports.EN = EN;
exports.ON_R = 3;
exports.AN = 4;
exports.R_H = 5;
exports.B = 6;
exports.RLE = 7;

exports.DOT = "\xB7";
exports.doBidiReorder = function(text, textCharTypes, isRtl) {
	if (text.length < 2)
		return {};
		
	var chars = text.split(""), logicalFromVisual = new Array(chars.length),
		bidiLevels = new Array(chars.length), levels = []; 

	dir = isRtl ? RTL : LTR;

	_computeLevels(chars, levels, chars.length, textCharTypes);

	for (var i = 0; i < logicalFromVisual.length; logicalFromVisual[i] = i, i++);

	_invertLevel(2, levels, logicalFromVisual);
	_invertLevel(1, levels, logicalFromVisual);

	for (var i = 0; i < logicalFromVisual.length - 1; i++) { //fix levels to reflect character width
		if (textCharTypes[i] === AN) {
			levels[i] = exports.AN;
		} else if (levels[i] === R && ((textCharTypes[i] > AL && textCharTypes[i] < LRE) 
			|| textCharTypes[i] === ON || textCharTypes[i] === BN)) {
			levels[i] = exports.ON_R;
		} else if ((i > 0 && chars[i - 1] === '\u0644') && /\u0622|\u0623|\u0625|\u0627/.test(chars[i])) {
			levels[i - 1] = levels[i] = exports.R_H;
			i++;
		}
	}
	if (chars[chars.length - 1] === exports.DOT)
		levels[chars.length - 1] = exports.B;
				
	if (chars[0] === '\u202B')
		levels[0] = exports.RLE;
				
	for (var i = 0; i < logicalFromVisual.length; i++) {
		bidiLevels[i] = levels[logicalFromVisual[i]];
	}

	return {'logicalFromVisual': logicalFromVisual, 'bidiLevels': bidiLevels};
};
exports.hasBidiCharacters = function(text, textCharTypes){
	var ret = false;
	for (var i = 0; i < text.length; i++){
		textCharTypes[i] = _getCharacterType(text.charAt(i));
		if (!ret && (textCharTypes[i] == R || textCharTypes[i] == AL || textCharTypes[i] == AN))
			ret = true;
	}
	return ret;
};	
exports.getVisualFromLogicalIdx = function(logIdx, rowMap) {
	for (var i = 0; i < rowMap.logicalFromVisual.length; i++) {
		if (rowMap.logicalFromVisual[i] == logIdx)
			return i;
	}
	return 0;
};

});

ace.define("ace/bidihandler",["require","exports","module","ace/lib/bidiutil","ace/lib/lang"], function(require, exports, module) {
"use strict";

var bidiUtil = require("./lib/bidiutil");
var lang = require("./lib/lang");
var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac\u202B]/;
var BidiHandler = function(session) {
    this.session = session;
    this.bidiMap = {};
    this.currentRow = null;
    this.bidiUtil = bidiUtil;
    this.charWidths = [];
    this.EOL = "\xAC";
    this.showInvisibles = true;
    this.isRtlDir = false;
    this.$isRtl = false;
    this.line = "";
    this.wrapIndent = 0;
    this.EOF = "\xB6";
    this.RLE = "\u202B";
    this.contentWidth = 0;
    this.fontMetrics = null;
    this.rtlLineOffset = 0;
    this.wrapOffset = 0;
    this.isMoveLeftOperation = false;
    this.seenBidi = bidiRE.test(session.getValue());
};

(function() {
    this.isBidiRow = function(screenRow, docRow, splitIndex) {
        if (!this.seenBidi)
            return false;
        if (screenRow !== this.currentRow) {
            this.currentRow = screenRow;
            this.updateRowLine(docRow, splitIndex);
            this.updateBidiMap();
        }
        return this.bidiMap.bidiLevels;
    };

    this.onChange = function(delta) {
        if (!this.seenBidi) {
            if (delta.action == "insert" && bidiRE.test(delta.lines.join("\n"))) {
                this.seenBidi = true;
                this.currentRow = null;
            }
        } 
        else {
            this.currentRow = null;
        }
    };

    this.getDocumentRow = function() {
        var docRow = 0;
        var rowCache = this.session.$screenRowCache;
        if (rowCache.length) {
            var index = this.session.$getRowCacheIndex(rowCache, this.currentRow);
            if (index >= 0)
                docRow = this.session.$docRowCache[index];
        }

        return docRow;
    };

    this.getSplitIndex = function() {
        var splitIndex = 0;
        var rowCache = this.session.$screenRowCache;
        if (rowCache.length) {
            var currentIndex, prevIndex = this.session.$getRowCacheIndex(rowCache, this.currentRow);
            while (this.currentRow - splitIndex > 0) {
                currentIndex = this.session.$getRowCacheIndex(rowCache, this.currentRow - splitIndex - 1);
                if (currentIndex !== prevIndex)
                    break;

                prevIndex = currentIndex;
                splitIndex++;
            }
        } else {
            splitIndex = this.currentRow;
        }

        return splitIndex;
    };

    this.updateRowLine = function(docRow, splitIndex) {
        if (docRow === undefined)
            docRow = this.getDocumentRow();
            
        var isLastRow = (docRow === this.session.getLength() - 1),
            endOfLine = isLastRow ? this.EOF : this.EOL;

        this.wrapIndent = 0;
        this.line = this.session.getLine(docRow);
        this.isRtlDir = this.$isRtl || this.line.charAt(0) === this.RLE;
        if (this.session.$useWrapMode) {
            var splits = this.session.$wrapData[docRow];
            if (splits) {
                if (splitIndex === undefined)
                    splitIndex = this.getSplitIndex();

                if(splitIndex > 0 && splits.length) {
                    this.wrapIndent = splits.indent;
                    this.wrapOffset = this.wrapIndent * this.charWidths[bidiUtil.L];
                    this.line = (splitIndex < splits.length) ?
                        this.line.substring(splits[splitIndex - 1], splits[splitIndex]) :
                            this.line.substring(splits[splits.length - 1]);
                } else {
                    this.line = this.line.substring(0, splits[splitIndex]);
                }

                if (splitIndex == splits.length) {
                    this.line += (this.showInvisibles) ? endOfLine : bidiUtil.DOT;
                }
            }
        } else {
            this.line += this.showInvisibles ? endOfLine : bidiUtil.DOT;
        }
        var session = this.session, shift = 0, size;
        this.line = this.line.replace(/\t|[\u1100-\u2029, \u202F-\uFFE6]/g, function(ch, i){
            if (ch === '\t' || session.isFullWidth(ch.charCodeAt(0))) {
                size = (ch === '\t') ? session.getScreenTabSize(i + shift) : 2;
                shift += size - 1;
                return lang.stringRepeat(bidiUtil.DOT, size);
            }
            return ch;
        });

        if (this.isRtlDir) {
            this.fontMetrics.$main.textContent = (this.line.charAt(this.line.length - 1) == bidiUtil.DOT) ? this.line.substr(0, this.line.length - 1) : this.line;
            this.rtlLineOffset = this.contentWidth - this.fontMetrics.$main.getBoundingClientRect().width;
        }
    };
    
    this.updateBidiMap = function() {
        var textCharTypes = [];
        if (bidiUtil.hasBidiCharacters(this.line, textCharTypes) || this.isRtlDir) {
             this.bidiMap = bidiUtil.doBidiReorder(this.line, textCharTypes, this.isRtlDir);
        } else {
            this.bidiMap = {};
        }
    };
    this.markAsDirty = function() {
        this.currentRow = null;
    };
    this.updateCharacterWidths = function(fontMetrics) {
        if (this.characterWidth === fontMetrics.$characterSize.width)
            return;

        this.fontMetrics = fontMetrics;
        var characterWidth = this.characterWidth = fontMetrics.$characterSize.width;
        var bidiCharWidth = fontMetrics.$measureCharWidth("\u05d4");

        this.charWidths[bidiUtil.L] = this.charWidths[bidiUtil.EN] = this.charWidths[bidiUtil.ON_R] = characterWidth;
        this.charWidths[bidiUtil.R] = this.charWidths[bidiUtil.AN] = bidiCharWidth;
        this.charWidths[bidiUtil.R_H] = bidiCharWidth * 0.45;
        this.charWidths[bidiUtil.B] = this.charWidths[bidiUtil.RLE] = 0;

        this.currentRow = null;
    };

    this.setShowInvisibles = function(showInvisibles) {
        this.showInvisibles = showInvisibles;
        this.currentRow = null;
    };

    this.setEolChar = function(eolChar) {
        this.EOL = eolChar; 
    };

    this.setContentWidth = function(width) {
        this.contentWidth = width;
    };

    this.isRtlLine = function(row) {
        if (this.$isRtl) return true;
        if (row != undefined)
            return (this.session.getLine(row).charAt(0) == this.RLE);
        else
            return this.isRtlDir; 
    };

    this.setRtlDirection = function(editor, isRtlDir) {
        var cursor = editor.getCursorPosition(); 
        for (var row = editor.selection.getSelectionAnchor().row; row <= cursor.row; row++) {
            if (!isRtlDir && editor.session.getLine(row).charAt(0) === editor.session.$bidiHandler.RLE)
                editor.session.doc.removeInLine(row, 0, 1);
            else if (isRtlDir && editor.session.getLine(row).charAt(0) !== editor.session.$bidiHandler.RLE)
                editor.session.doc.insert({column: 0, row: row}, editor.session.$bidiHandler.RLE);
        }
    };
    this.getPosLeft = function(col) {
        col -= this.wrapIndent;
        var leftBoundary = (this.line.charAt(0) === this.RLE) ? 1 : 0;
        var logicalIdx = (col > leftBoundary) ? (this.session.getOverwrite() ? col : col - 1) : leftBoundary;
        var visualIdx = bidiUtil.getVisualFromLogicalIdx(logicalIdx, this.bidiMap),
            levels = this.bidiMap.bidiLevels, left = 0;

        if (!this.session.getOverwrite() && col <= leftBoundary && levels[visualIdx] % 2 !== 0)
            visualIdx++;
            
        for (var i = 0; i < visualIdx; i++) {
            left += this.charWidths[levels[i]];
        }

        if (!this.session.getOverwrite() && (col > leftBoundary) && (levels[visualIdx] % 2 === 0))
            left += this.charWidths[levels[visualIdx]];

        if (this.wrapIndent)
            left += this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;

        if (this.isRtlDir)
            left += this.rtlLineOffset;

        return left;
    };
    this.getSelections = function(startCol, endCol) {
        var map = this.bidiMap, levels = map.bidiLevels, level, selections = [], offset = 0,
            selColMin = Math.min(startCol, endCol) - this.wrapIndent, selColMax = Math.max(startCol, endCol) - this.wrapIndent,
                isSelected = false, isSelectedPrev = false, selectionStart = 0;
            
        if (this.wrapIndent)
            offset += this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;

        for (var logIdx, visIdx = 0; visIdx < levels.length; visIdx++) {
            logIdx = map.logicalFromVisual[visIdx];
            level = levels[visIdx];
            isSelected = (logIdx >= selColMin) && (logIdx < selColMax);
            if (isSelected && !isSelectedPrev) {
                selectionStart = offset;
            } else if (!isSelected && isSelectedPrev) {
                selections.push({left: selectionStart, width: offset - selectionStart});
            }
            offset += this.charWidths[level];
            isSelectedPrev = isSelected;
        }

        if (isSelected && (visIdx === levels.length)) {
            selections.push({left: selectionStart, width: offset - selectionStart});
        }

        if(this.isRtlDir) {
            for (var i = 0; i < selections.length; i++) {
                selections[i].left += this.rtlLineOffset;
            }
        }
        return selections;
    };
    this.offsetToCol = function(posX) {
        if(this.isRtlDir)
            posX -= this.rtlLineOffset;

        var logicalIdx = 0, posX = Math.max(posX, 0),
            offset = 0, visualIdx = 0, levels = this.bidiMap.bidiLevels,
                charWidth = this.charWidths[levels[visualIdx]];

        if (this.wrapIndent)
           posX -= this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;
    
        while(posX > offset + charWidth/2) {
            offset += charWidth;
            if(visualIdx === levels.length - 1) {
                charWidth = 0;
                break;
            }
            charWidth = this.charWidths[levels[++visualIdx]];
        }
    
        if (visualIdx > 0 && (levels[visualIdx - 1] % 2 !== 0) && (levels[visualIdx] % 2 === 0)){
            if(posX < offset)
                visualIdx--;
            logicalIdx = this.bidiMap.logicalFromVisual[visualIdx];

        } else if (visualIdx > 0 && (levels[visualIdx - 1] % 2 === 0) && (levels[visualIdx] % 2 !== 0)){
            logicalIdx = 1 + ((posX > offset) ? this.bidiMap.logicalFromVisual[visualIdx]
                    : this.bidiMap.logicalFromVisual[visualIdx - 1]);

        } else if ((this.isRtlDir && visualIdx === levels.length - 1 && charWidth === 0 && (levels[visualIdx - 1] % 2 === 0))
                || (!this.isRtlDir && visualIdx === 0 && (levels[visualIdx] % 2 !== 0))){
            logicalIdx = 1 + this.bidiMap.logicalFromVisual[visualIdx];
        } else {
            if (visualIdx > 0 && (levels[visualIdx - 1] % 2 !== 0) && charWidth !== 0)
                visualIdx--;
            logicalIdx = this.bidiMap.logicalFromVisual[visualIdx];
        }

        if (logicalIdx === 0 && this.isRtlDir)
            logicalIdx++;

        return (logicalIdx + this.wrapIndent);
    };

}).call(BidiHandler.prototype);

exports.BidiHandler = BidiHandler;
});

ace.define("ace/selection",["require","exports","module","ace/lib/oop","ace/lib/lang","ace/lib/event_emitter","ace/range"], function(require, exports, module) {
"use strict";

var oop = require("./lib/oop");
var lang = require("./lib/lang");
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var Range = require("./range").Range;
var Selection = function(session) {
    this.session = session;
    this.doc = session.getDocument();

    this.clearSelection();
    this.cursor = this.lead = this.doc.createAnchor(0, 0);
    this.anchor = this.doc.createAnchor(0, 0);
    this.$silent = false;

    var self = this;
    this.cursor.on("change", function(e) {
        self.$cursorChanged = true;
        if (!self.$silent)
            self._emit("changeCursor");
        if (!self.$isEmpty && !self.$silent)
            self._emit("changeSelection");
        if (!self.$keepDesiredColumnOnChange && e.old.column != e.value.column)
            self.$desiredColumn = null;
    });

    this.anchor.on("change", function() {
        self.$anchorChanged = true;
        if (!self.$isEmpty && !self.$silent)
            self._emit("changeSelection");
    });
};

(function() {

    oop.implement(this, EventEmitter);
    this.isEmpty = function() {
        return this.$isEmpty || (
            this.anchor.row == this.lead.row &&
            this.anchor.column == this.lead.column
        );
    };
    this.isMultiLine = function() {
        return !this.$isEmpty && this.anchor.row != this.cursor.row;
    };
    this.getCursor = function() {
        return this.lead.getPosition();
    };
    this.setSelectionAnchor = function(row, column) {
        this.$isEmpty = false;
        this.anchor.setPosition(row, column);
    };
    this.getAnchor = 
    this.getSelectionAnchor = function() {
        if (this.$isEmpty)
            return this.getSelectionLead();
        
        return this.anchor.getPosition();
    };
    this.getSelectionLead = function() {
        return this.lead.getPosition();
    };
    this.isBackwards = function() {
        var anchor = this.anchor;
        var lead = this.lead;
        return (anchor.row > lead.row || (anchor.row == lead.row && anchor.column > lead.column));
    };
    this.getRange = function() {
        var anchor = this.anchor;
        var lead = this.lead;

        if (this.$isEmpty)
            return Range.fromPoints(lead, lead);

        return this.isBackwards()
            ? Range.fromPoints(lead, anchor)
            : Range.fromPoints(anchor, lead);
    };
    this.clearSelection = function() {
        if (!this.$isEmpty) {
            this.$isEmpty = true;
            this._emit("changeSelection");
        }
    };
    this.selectAll = function() {
        this.$setSelection(0, 0, Number.MAX_VALUE, Number.MAX_VALUE);
    };
    this.setRange =
    this.setSelectionRange = function(range, reverse) {
        var start = reverse ? range.end : range.start;
        var end = reverse ? range.start : range.end;
        this.$setSelection(start.row, start.column, end.row, end.column);
    };

    this.$setSelection = function(anchorRow, anchorColumn, cursorRow, cursorColumn) {
        if (this.$silent)
            return;
        var wasEmpty = this.$isEmpty;
        var wasMultiselect = this.inMultiSelectMode;
        this.$silent = true;
        this.$cursorChanged = this.$anchorChanged = false;
        this.anchor.setPosition(anchorRow, anchorColumn);
        this.cursor.setPosition(cursorRow, cursorColumn);
        this.$isEmpty = !Range.comparePoints(this.anchor, this.cursor);
        this.$silent = false;
        if (this.$cursorChanged)
            this._emit("changeCursor");
        if (this.$cursorChanged || this.$anchorChanged || wasEmpty != this.$isEmpty || wasMultiselect)
            this._emit("changeSelection");
    };

    this.$moveSelection = function(mover) {
        var lead = this.lead;
        if (this.$isEmpty)
            this.setSelectionAnchor(lead.row, lead.column);

        mover.call(this);
    };
    this.selectTo = function(row, column) {
        this.$moveSelection(function() {
            this.moveCursorTo(row, column);
        });
    };
    this.selectToPosition = function(pos) {
        this.$moveSelection(function() {
            this.moveCursorToPosition(pos);
        });
    };
    this.moveTo = function(row, column) {
        this.clearSelection();
        this.moveCursorTo(row, column);
    };
    this.moveToPosition = function(pos) {
        this.clearSelection();
        this.moveCursorToPosition(pos);
    };
    this.selectUp = function() {
        this.$moveSelection(this.moveCursorUp);
    };
    this.selectDown = function() {
        this.$moveSelection(this.moveCursorDown);
    };
    this.selectRight = function() {
        this.$moveSelection(this.moveCursorRight);
    };
    this.selectLeft = function() {
        this.$moveSelection(this.moveCursorLeft);
    };
    this.selectLineStart = function() {
        this.$moveSelection(this.moveCursorLineStart);
    };
    this.selectLineEnd = function() {
        this.$moveSelection(this.moveCursorLineEnd);
    };
    this.selectFileEnd = function() {
        this.$moveSelection(this.moveCursorFileEnd);
    };
    this.selectFileStart = function() {
        this.$moveSelection(this.moveCursorFileStart);
    };
    this.selectWordRight = function() {
        this.$moveSelection(this.moveCursorWordRight);
    };
    this.selectWordLeft = function() {
        this.$moveSelection(this.moveCursorWordLeft);
    };
    this.getWordRange = function(row, column) {
        if (typeof column == "undefined") {
            var cursor = row || this.lead;
            row = cursor.row;
            column = cursor.column;
        }
        return this.session.getWordRange(row, column);
    };
    this.selectWord = function() {
        this.setSelectionRange(this.getWordRange());
    };
    this.selectAWord = function() {
        var cursor = this.getCursor();
        var range = this.session.getAWordRange(cursor.row, cursor.column);
        this.setSelectionRange(range);
    };

    this.getLineRange = function(row, excludeLastChar) {
        var rowStart = typeof row == "number" ? row : this.lead.row;
        var rowEnd;

        var foldLine = this.session.getFoldLine(rowStart);
        if (foldLine) {
            rowStart = foldLine.start.row;
            rowEnd = foldLine.end.row;
        } else {
            rowEnd = rowStart;
        }
        if (excludeLastChar === true)
            return new Range(rowStart, 0, rowEnd, this.session.getLine(rowEnd).length);
        else
            return new Range(rowStart, 0, rowEnd + 1, 0);
    };
    this.selectLine = function() {
        this.setSelectionRange(this.getLineRange());
    };
    this.moveCursorUp = function() {
        this.moveCursorBy(-1, 0);
    };
    this.moveCursorDown = function() {
        this.moveCursorBy(1, 0);
    };
    this.wouldMoveIntoSoftTab = function(cursor, tabSize, direction) {
        var start = cursor.column;
        var end = cursor.column + tabSize;

        if (direction < 0) {
            start = cursor.column - tabSize;
            end = cursor.column;
        }
        return this.session.isTabStop(cursor) && this.doc.getLine(cursor.row).slice(start, end).split(" ").length-1 == tabSize;
    };
    this.moveCursorLeft = function() {
        var cursor = this.lead.getPosition(),
            fold;

        if (fold = this.session.getFoldAt(cursor.row, cursor.column, -1)) {
            this.moveCursorTo(fold.start.row, fold.start.column);
        } else if (cursor.column === 0) {
            if (cursor.row > 0) {
                this.moveCursorTo(cursor.row - 1, this.doc.getLine(cursor.row - 1).length);
            }
        }
        else {
            var tabSize = this.session.getTabSize();
            if (this.wouldMoveIntoSoftTab(cursor, tabSize, -1) && !this.session.getNavigateWithinSoftTabs()) {
                this.moveCursorBy(0, -tabSize);
            } else {
                this.moveCursorBy(0, -1);
            }
        }
    };
    this.moveCursorRight = function() {
        var cursor = this.lead.getPosition(),
            fold;
        if (fold = this.session.getFoldAt(cursor.row, cursor.column, 1)) {
            this.moveCursorTo(fold.end.row, fold.end.column);
        }
        else if (this.lead.column == this.doc.getLine(this.lead.row).length) {
            if (this.lead.row < this.doc.getLength() - 1) {
                this.moveCursorTo(this.lead.row + 1, 0);
            }
        }
        else {
            var tabSize = this.session.getTabSize();
            var cursor = this.lead;
            if (this.wouldMoveIntoSoftTab(cursor, tabSize, 1) && !this.session.getNavigateWithinSoftTabs()) {
                this.moveCursorBy(0, tabSize);
            } else {
                this.moveCursorBy(0, 1);
            }
        }
    };
    this.moveCursorLineStart = function() {
        var row = this.lead.row;
        var column = this.lead.column;
        var screenRow = this.session.documentToScreenRow(row, column);
        var firstColumnPosition = this.session.screenToDocumentPosition(screenRow, 0);
        var beforeCursor = this.session.getDisplayLine(
            row, null, firstColumnPosition.row,
            firstColumnPosition.column
        );

        var leadingSpace = beforeCursor.match(/^\s*/);
        if (leadingSpace[0].length != column && !this.session.$useEmacsStyleLineStart)
            firstColumnPosition.column += leadingSpace[0].length;
        this.moveCursorToPosition(firstColumnPosition);
    };
    this.moveCursorLineEnd = function() {
        var lead = this.lead;
        var lineEnd = this.session.getDocumentLastRowColumnPosition(lead.row, lead.column);
        if (this.lead.column == lineEnd.column) {
            var line = this.session.getLine(lineEnd.row);
            if (lineEnd.column == line.length) {
                var textEnd = line.search(/\s+$/);
                if (textEnd > 0)
                    lineEnd.column = textEnd;
            }
        }

        this.moveCursorTo(lineEnd.row, lineEnd.column);
    };
    this.moveCursorFileEnd = function() {
        var row = this.doc.getLength() - 1;
        var column = this.doc.getLine(row).length;
        this.moveCursorTo(row, column);
    };
    this.moveCursorFileStart = function() {
        this.moveCursorTo(0, 0);
    };
    this.moveCursorLongWordRight = function() {
        var row = this.lead.row;
        var column = this.lead.column;
        var line = this.doc.getLine(row);
        var rightOfCursor = line.substring(column);

        this.session.nonTokenRe.lastIndex = 0;
        this.session.tokenRe.lastIndex = 0;
        var fold = this.session.getFoldAt(row, column, 1);
        if (fold) {
            this.moveCursorTo(fold.end.row, fold.end.column);
            return;
        }
        if (this.session.nonTokenRe.exec(rightOfCursor)) {
            column += this.session.nonTokenRe.lastIndex;
            this.session.nonTokenRe.lastIndex = 0;
            rightOfCursor = line.substring(column);
        }
        if (column >= line.length) {
            this.moveCursorTo(row, line.length);
            this.moveCursorRight();
            if (row < this.doc.getLength() - 1)
                this.moveCursorWordRight();
            return;
        }
        if (this.session.tokenRe.exec(rightOfCursor)) {
            column += this.session.tokenRe.lastIndex;
            this.session.tokenRe.lastIndex = 0;
        }

        this.moveCursorTo(row, column);
    };
    this.moveCursorLongWordLeft = function() {
        var row = this.lead.row;
        var column = this.lead.column;
        var fold;
        if (fold = this.session.getFoldAt(row, column, -1)) {
            this.moveCursorTo(fold.start.row, fold.start.column);
            return;
        }

        var str = this.session.getFoldStringAt(row, column, -1);
        if (str == null) {
            str = this.doc.getLine(row).substring(0, column);
        }

        var leftOfCursor = lang.stringReverse(str);
        this.session.nonTokenRe.lastIndex = 0;
        this.session.tokenRe.lastIndex = 0;
        if (this.session.nonTokenRe.exec(leftOfCursor)) {
            column -= this.session.nonTokenRe.lastIndex;
            leftOfCursor = leftOfCursor.slice(this.session.nonTokenRe.lastIndex);
            this.session.nonTokenRe.lastIndex = 0;
        }
        if (column <= 0) {
            this.moveCursorTo(row, 0);
            this.moveCursorLeft();
            if (row > 0)
                this.moveCursorWordLeft();
            return;
        }
        if (this.session.tokenRe.exec(leftOfCursor)) {
            column -= this.session.tokenRe.lastIndex;
            this.session.tokenRe.lastIndex = 0;
        }

        this.moveCursorTo(row, column);
    };

    this.$shortWordEndIndex = function(rightOfCursor) {
        var index = 0, ch;
        var whitespaceRe = /\s/;
        var tokenRe = this.session.tokenRe;

        tokenRe.lastIndex = 0;
        if (this.session.tokenRe.exec(rightOfCursor)) {
            index = this.session.tokenRe.lastIndex;
        } else {
            while ((ch = rightOfCursor[index]) && whitespaceRe.test(ch))
                index ++;

            if (index < 1) {
                tokenRe.lastIndex = 0;
                 while ((ch = rightOfCursor[index]) && !tokenRe.test(ch)) {
                    tokenRe.lastIndex = 0;
                    index ++;
                    if (whitespaceRe.test(ch)) {
                        if (index > 2) {
                            index--;
                            break;
                        } else {
                            while ((ch = rightOfCursor[index]) && whitespaceRe.test(ch))
                                index ++;
                            if (index > 2)
                                break;
                        }
                    }
                }
            }
        }
        tokenRe.lastIndex = 0;

        return index;
    };

    this.moveCursorShortWordRight = function() {
        var row = this.lead.row;
        var column = this.lead.column;
        var line = this.doc.getLine(row);
        var rightOfCursor = line.substring(column);

        var fold = this.session.getFoldAt(row, column, 1);
        if (fold)
            return this.moveCursorTo(fold.end.row, fold.end.column);

        if (column == line.length) {
            var l = this.doc.getLength();
            do {
                row++;
                rightOfCursor = this.doc.getLine(row);
            } while (row < l && /^\s*$/.test(rightOfCursor));

            if (!/^\s+/.test(rightOfCursor))
                rightOfCursor = "";
            column = 0;
        }

        var index = this.$shortWordEndIndex(rightOfCursor);

        this.moveCursorTo(row, column + index);
    };

    this.moveCursorShortWordLeft = function() {
        var row = this.lead.row;
        var column = this.lead.column;

        var fold;
        if (fold = this.session.getFoldAt(row, column, -1))
            return this.moveCursorTo(fold.start.row, fold.start.column);

        var line = this.session.getLine(row).substring(0, column);
        if (column === 0) {
            do {
                row--;
                line = this.doc.getLine(row);
            } while (row > 0 && /^\s*$/.test(line));

            column = line.length;
            if (!/\s+$/.test(line))
                line = "";
        }

        var leftOfCursor = lang.stringReverse(line);
        var index = this.$shortWordEndIndex(leftOfCursor);

        return this.moveCursorTo(row, column - index);
    };

    this.moveCursorWordRight = function() {
        if (this.session.$selectLongWords)
            this.moveCursorLongWordRight();
        else
            this.moveCursorShortWordRight();
    };

    this.moveCursorWordLeft = function() {
        if (this.session.$selectLongWords)
            this.moveCursorLongWordLeft();
        else
            this.moveCursorShortWordLeft();
    };
    this.moveCursorBy = function(rows, chars) {
        var screenPos = this.session.documentToScreenPosition(
            this.lead.row,
            this.lead.column
        );

        var offsetX;

        if (chars === 0) {
            if (rows !== 0) {
                if (this.session.$bidiHandler.isBidiRow(screenPos.row, this.lead.row)) {
                    offsetX = this.session.$bidiHandler.getPosLeft(screenPos.column);
                    screenPos.column = Math.round(offsetX / this.session.$bidiHandler.charWidths[0]);
                } else {
                    offsetX = screenPos.column * this.session.$bidiHandler.charWidths[0];
                }
            }

            if (this.$desiredColumn)
                screenPos.column = this.$desiredColumn;
            else
                this.$desiredColumn = screenPos.column;
        }
        
        if (rows != 0 && this.session.lineWidgets && this.session.lineWidgets[this.lead.row]) {
            var widget = this.session.lineWidgets[this.lead.row];
            if (rows < 0)
                rows -= widget.rowsAbove || 0;
            else if (rows > 0)
                rows += widget.rowCount - (widget.rowsAbove || 0);
        }
        
        var docPos = this.session.screenToDocumentPosition(screenPos.row + rows, screenPos.column, offsetX);
        
        if (rows !== 0 && chars === 0 && docPos.row === this.lead.row && docPos.column === this.lead.column) {
            
        }
        this.moveCursorTo(docPos.row, docPos.column + chars, chars === 0);
    };
    this.moveCursorToPosition = function(position) {
        this.moveCursorTo(position.row, position.column);
    };
    this.moveCursorTo = function(row, column, keepDesiredColumn) {
        var fold = this.session.getFoldAt(row, column, 1);
        if (fold) {
            row = fold.start.row;
            column = fold.start.column;
        }

        this.$keepDesiredColumnOnChange = true;
        var line = this.session.getLine(row);
        if (/[\uDC00-\uDFFF]/.test(line.charAt(column)) && line.charAt(column - 1)) {
            if (this.lead.row == row && this.lead.column == column + 1)
                column = column - 1;
            else
                column = column + 1;
        }
        this.lead.setPosition(row, column);
        this.$keepDesiredColumnOnChange = false;

        if (!keepDesiredColumn)
            this.$desiredColumn = null;
    };
    this.moveCursorToScreen = function(row, column, keepDesiredColumn) {
        var pos = this.session.screenToDocumentPosition(row, column);
        this.moveCursorTo(pos.row, pos.column, keepDesiredColumn);
    };
    this.detach = function() {
        this.lead.detach();
        this.anchor.detach();
    };

    this.fromOrientedRange = function(range) {
        this.setSelectionRange(range, range.cursor == range.start);
        this.$desiredColumn = range.desiredColumn || this.$desiredColumn;
    };

    this.toOrientedRange = function(range) {
        var r = this.getRange();
        if (range) {
            range.start.column = r.start.column;
            range.start.row = r.start.row;
            range.end.column = r.end.column;
            range.end.row = r.end.row;
        } else {
            range = r;
        }

        range.cursor = this.isBackwards() ? range.start : range.end;
        range.desiredColumn = this.$desiredColumn;
        return range;
    };
    this.getRangeOfMovements = function(func) {
        var start = this.getCursor();
        try {
            func(this);
            var end = this.getCursor();
            return Range.fromPoints(start, end);
        } catch(e) {
            return Range.fromPoints(start, start);
        } finally {
            this.moveCursorToPosition(start);
        }
    };

    this.toJSON = function() {
        if (this.rangeCount) {
            var data = this.ranges.map(function(r) {
                var r1 = r.clone();
                r1.isBackwards = r.cursor == r.start;
                return r1;
            });
        } else {
            var data = this.getRange();
            data.isBackwards = this.isBackwards();
        }
        return data;
    };

    this.fromJSON = function(data) {
        if (data.start == undefined) {
            if (this.rangeList && data.length > 1) {
                this.toSingleRange(data[0]);
                for (var i = data.length; i--; ) {
                    var r = Range.fromPoints(data[i].start, data[i].end);
                    if (data[i].isBackwards)
                        r.cursor = r.start;
                    this.addRange(r, true);
                }
                return;
            } else {
                data = data[0];
            }
        }
        if (this.rangeList)
            this.toSingleRange(data);
        this.setSelectionRange(data, data.isBackwards);
    };

    this.isEqual = function(data) {
        if ((data.length || this.rangeCount) && data.length != this.rangeCount)
            return false;
        if (!data.length || !this.ranges)
            return this.getRange().isEqual(data);

        for (var i = this.ranges.length; i--; ) {
            if (!this.ranges[i].isEqual(data[i]))
                return false;
        }
        return true;
    };

}).call(Selection.prototype);

exports.Selection = Selection;
});

ace.define("ace/tokenizer",["require","exports","module","ace/config"], function(require, exports, module) {
"use strict";

var config = require("./config");
var MAX_TOKEN_COUNT = 2000;
var Tokenizer = function(rules) {
    this.states = rules;

    this.regExps = {};
    this.matchMappings = {};
    for (var key in this.states) {
        var state = this.states[key];
        var ruleRegExps = [];
        var matchTotal = 0;
        var mapping = this.matchMappings[key] = {defaultToken: "text"};
        var flag = "g";

        var splitterRurles = [];
        for (var i = 0; i < state.length; i++) {
            var rule = state[i];
            if (rule.defaultToken)
                mapping.defaultToken = rule.defaultToken;
            if (rule.caseInsensitive && flag.indexOf("i") === -1)
                flag += "i";
            if (rule.unicode && flag.indexOf("u") === -1)
                flag += "u";
            if (rule.regex == null)
                continue;

            if (rule.regex instanceof RegExp)
                rule.regex = rule.regex.toString().slice(1, -1);
            var adjustedregex = rule.regex;
            var matchcount = new RegExp("(?:(" + adjustedregex + ")|(.))").exec("a").length - 2;
            if (Array.isArray(rule.token)) {
                if (rule.token.length == 1 || matchcount == 1) {
                    rule.token = rule.token[0];
                } else if (matchcount - 1 != rule.token.length) {
                    this.reportError("number of classes and regexp groups doesn't match", { 
                        rule: rule,
                        groupCount: matchcount - 1
                    });
                    rule.token = rule.token[0];
                } else {
                    rule.tokenArray = rule.token;
                    rule.token = null;
                    rule.onMatch = this.$arrayTokens;
                }
            } else if (typeof rule.token == "function" && !rule.onMatch) {
                if (matchcount > 1)
                    rule.onMatch = this.$applyToken;
                else
                    rule.onMatch = rule.token;
            }

            if (matchcount > 1) {
                if (/\\\d/.test(rule.regex)) {
                    adjustedregex = rule.regex.replace(/\\([0-9]+)/g, function(match, digit) {
                        return "\\" + (parseInt(digit, 10) + matchTotal + 1);
                    });
                } else {
                    matchcount = 1;
                    adjustedregex = this.removeCapturingGroups(rule.regex);
                }
                if (!rule.splitRegex && typeof rule.token != "string")
                    splitterRurles.push(rule); // flag will be known only at the very end
            }

            mapping[matchTotal] = i;
            matchTotal += matchcount;

            ruleRegExps.push(adjustedregex);
            if (!rule.onMatch)
                rule.onMatch = null;
        }
        
        if (!ruleRegExps.length) {
            mapping[0] = 0;
            ruleRegExps.push("$");
        }
        
        splitterRurles.forEach(function(rule) {
            rule.splitRegex = this.createSplitterRegexp(rule.regex, flag);
        }, this);

        this.regExps[key] = new RegExp("(" + ruleRegExps.join(")|(") + ")|($)", flag);
    }
};

(function() {
    this.$setMaxTokenCount = function(m) {
        MAX_TOKEN_COUNT = m | 0;
    };
    
    this.$applyToken = function(str) {
        var values = this.splitRegex.exec(str).slice(1);
        var types = this.token.apply(this, values);
        if (typeof types === "string")
            return [{type: types, value: str}];

        var tokens = [];
        for (var i = 0, l = types.length; i < l; i++) {
            if (values[i])
                tokens[tokens.length] = {
                    type: types[i],
                    value: values[i]
                };
        }
        return tokens;
    };

    this.$arrayTokens = function(str) {
        if (!str)
            return [];
        var values = this.splitRegex.exec(str);
        if (!values)
            return "text";
        var tokens = [];
        var types = this.tokenArray;
        for (var i = 0, l = types.length; i < l; i++) {
            if (values[i + 1])
                tokens[tokens.length] = {
                    type: types[i],
                    value: values[i + 1]
                };
        }
        return tokens;
    };

    this.removeCapturingGroups = function(src) {
        var r = src.replace(
            /\\.|\[(?:\\.|[^\\\]])*|\(\?[:=!<]|(\()/g,
            function(x, y) {return y ? "(?:" : x;}
        );
        return r;
    };

    this.createSplitterRegexp = function(src, flag) {
        if (src.indexOf("(?=") != -1) {
            var stack = 0;
            var inChClass = false;
            var lastCapture = {};
            src.replace(/(\\.)|(\((?:\?[=!])?)|(\))|([\[\]])/g, function(
                m, esc, parenOpen, parenClose, square, index
            ) {
                if (inChClass) {
                    inChClass = square != "]";
                } else if (square) {
                    inChClass = true;
                } else if (parenClose) {
                    if (stack == lastCapture.stack) {
                        lastCapture.end = index+1;
                        lastCapture.stack = -1;
                    }
                    stack--;
                } else if (parenOpen) {
                    stack++;
                    if (parenOpen.length != 1) {
                        lastCapture.stack = stack;
                        lastCapture.start = index;
                    }
                }
                return m;
            });

            if (lastCapture.end != null && /^\)*$/.test(src.substr(lastCapture.end)))
                src = src.substring(0, lastCapture.start) + src.substr(lastCapture.end);
        }
        if (src.charAt(0) != "^") src = "^" + src;
        if (src.charAt(src.length - 1) != "$") src += "$";
        
        return new RegExp(src, (flag||"").replace("g", ""));
    };
    this.getLineTokens = function(line, startState) {
        if (startState && typeof startState != "string") {
            var stack = startState.slice(0);
            startState = stack[0];
            if (startState === "#tmp") {
                stack.shift();
                startState = stack.shift();
            }
        } else
            var stack = [];

        var currentState = startState || "start";
        var state = this.states[currentState];
        if (!state) {
            currentState = "start";
            state = this.states[currentState];
        }
        var mapping = this.matchMappings[currentState];
        var re = this.regExps[currentState];
        re.lastIndex = 0;

        var match, tokens = [];
        var lastIndex = 0;
        var matchAttempts = 0;

        var token = {type: null, value: ""};

        while (match = re.exec(line)) {
            var type = mapping.defaultToken;
            var rule = null;
            var value = match[0];
            var index = re.lastIndex;

            if (index - value.length > lastIndex) {
                var skipped = line.substring(lastIndex, index - value.length);
                if (token.type == type) {
                    token.value += skipped;
                } else {
                    if (token.type)
                        tokens.push(token);
                    token = {type: type, value: skipped};
                }
            }

            for (var i = 0; i < match.length-2; i++) {
                if (match[i + 1] === undefined)
                    continue;

                rule = state[mapping[i]];

                if (rule.onMatch)
                    type = rule.onMatch(value, currentState, stack, line);
                else
                    type = rule.token;

                if (rule.next) {
                    if (typeof rule.next == "string") {
                        currentState = rule.next;
                    } else {
                        currentState = rule.next(currentState, stack);
                    }
                    
                    state = this.states[currentState];
                    if (!state) {
                        this.reportError("state doesn't exist", currentState);
                        currentState = "start";
                        state = this.states[currentState];
                    }
                    mapping = this.matchMappings[currentState];
                    lastIndex = index;
                    re = this.regExps[currentState];
                    re.lastIndex = index;
                }
                if (rule.consumeLineEnd)
                    lastIndex = index;
                break;
            }

            if (value) {
                if (typeof type === "string") {
                    if ((!rule || rule.merge !== false) && token.type === type) {
                        token.value += value;
                    } else {
                        if (token.type)
                            tokens.push(token);
                        token = {type: type, value: value};
                    }
                } else if (type) {
                    if (token.type)
                        tokens.push(token);
                    token = {type: null, value: ""};
                    for (var i = 0; i < type.length; i++)
                        tokens.push(type[i]);
                }
            }

            if (lastIndex == line.length)
                break;

            lastIndex = index;

            if (matchAttempts++ > MAX_TOKEN_COUNT) {
                if (matchAttempts > 2 * line.length) {
                    this.reportError("infinite loop with in ace tokenizer", {
                        startState: startState,
                        line: line
                    });
                }
                while (lastIndex < line.length) {
                    if (token.type)
                        tokens.push(token);
                    token = {
                        value: line.substring(lastIndex, lastIndex += 500),
                        type: "overflow"
                    };
                }
                currentState = "start";
                stack = [];
                break;
            }
        }

        if (token.type)
            tokens.push(token);
        
        if (stack.length > 1) {
            if (stack[0] !== currentState)
                stack.unshift("#tmp", currentState);
        }
        return {
            tokens : tokens,
            state : stack.length ? stack : currentState
        };
    };
    
    this.reportError = config.reportError;
    
}).call(Tokenizer.prototype);

exports.Tokenizer = Tokenizer;
});

ace.define("ace/mode/text_highlight_rules",["require","exports","module","ace/lib/lang"], function(require, exports, module) {
"use strict";

var lang = require("../lib/lang");

var TextHighlightRules = function() {

    this.$rules = {
        "start" : [{
            token : "empty_line",
            regex : '^$'
        }, {
            defaultToken : "text"
        }]
    };
};

(function() {

    this.addRules = function(rules, prefix) {
        if (!prefix) {
            for (var key in rules)
                this.$rules[key] = rules[key];
            return;
        }
        for (var key in rules) {
            var state = rules[key];
            for (var i = 0; i < state.length; i++) {
                var rule = state[i];
                if (rule.next || rule.onMatch) {
                    if (typeof rule.next == "string") {
                        if (rule.next.indexOf(prefix) !== 0)
                            rule.next = prefix + rule.next;
                    }
                    if (rule.nextState && rule.nextState.indexOf(prefix) !== 0)
                        rule.nextState = prefix + rule.nextState;
                }
            }
            this.$rules[prefix + key] = state;
        }
    };

    this.getRules = function() {
        return this.$rules;
    };

    this.embedRules = function (HighlightRules, prefix, escapeRules, states, append) {
        var embedRules = typeof HighlightRules == "function"
            ? new HighlightRules().getRules()
            : HighlightRules;
        if (states) {
            for (var i = 0; i < states.length; i++)
                states[i] = prefix + states[i];
        } else {
            states = [];
            for (var key in embedRules)
                states.push(prefix + key);
        }

        this.addRules(embedRules, prefix);

        if (escapeRules) {
            var addRules = Array.prototype[append ? "push" : "unshift"];
            for (var i = 0; i < states.length; i++)
                addRules.apply(this.$rules[states[i]], lang.deepCopy(escapeRules));
        }

        if (!this.$embeds)
            this.$embeds = [];
        this.$embeds.push(prefix);
    };

    this.getEmbeds = function() {
        return this.$embeds;
    };

    var pushState = function(currentState, stack) {
        if (currentState != "start" || stack.length)
            stack.unshift(this.nextState, currentState);
        return this.nextState;
    };
    var popState = function(currentState, stack) {
        stack.shift();
        return stack.shift() || "start";
    };

    this.normalizeRules = function() {
        var id = 0;
        var rules = this.$rules;
        function processState(key) {
            var state = rules[key];
            state.processed = true;
            for (var i = 0; i < state.length; i++) {
                var rule = state[i];
                var toInsert = null;
                if (Array.isArray(rule)) {
                    toInsert = rule;
                    rule = {};
                }
                if (!rule.regex && rule.start) {
                    rule.regex = rule.start;
                    if (!rule.next)
                        rule.next = [];
                    rule.next.push({
                        defaultToken: rule.token
                    }, {
                        token: rule.token + ".end",
                        regex: rule.end || rule.start,
                        next: "pop"
                    });
                    rule.token = rule.token + ".start";
                    rule.push = true;
                }
                var next = rule.next || rule.push;
                if (next && Array.isArray(next)) {
                    var stateName = rule.stateName;
                    if (!stateName)  {
                        stateName = rule.token;
                        if (typeof stateName != "string")
                            stateName = stateName[0] || "";
                        if (rules[stateName])
                            stateName += id++;
                    }
                    rules[stateName] = next;
                    rule.next = stateName;
                    processState(stateName);
                } else if (next == "pop") {
                    rule.next = popState;
                }

                if (rule.push) {
                    rule.nextState = rule.next || rule.push;
                    rule.next = pushState;
                    delete rule.push;
                }

                if (rule.rules) {
                    for (var r in rule.rules) {
                        if (rules[r]) {
                            if (rules[r].push)
                                rules[r].push.apply(rules[r], rule.rules[r]);
                        } else {
                            rules[r] = rule.rules[r];
                        }
                    }
                }
                var includeName = typeof rule == "string" ? rule : rule.include;
                if (includeName) {
                    if (Array.isArray(includeName))
                        toInsert = includeName.map(function(x) { return rules[x]; });
                    else
                        toInsert = rules[includeName];
                }

                if (toInsert) {
                    var args = [i, 1].concat(toInsert);
                    if (rule.noEscape)
                        args = args.filter(function(x) {return !x.next;});
                    state.splice.apply(state, args);
                    i--;
                }
                
                if (rule.keywordMap) {
                    rule.token = this.createKeywordMapper(
                        rule.keywordMap, rule.defaultToken || "text", rule.caseInsensitive
                    );
                    delete rule.defaultToken;
                }
            }
        }
        Object.keys(rules).forEach(processState, this);
    };

    this.createKeywordMapper = function(map, defaultToken, ignoreCase, splitChar) {
        var keywords = Object.create(null);
        this.$keywordList = [];
        Object.keys(map).forEach(function(className) {
            var a = map[className];
            var list = a.split(splitChar || "|");
            for (var i = list.length; i--; ) {
                var word = list[i];
                this.$keywordList.push(word);
                if (ignoreCase)
                    word = word.toLowerCase(); 
                keywords[word] = className;
            }
        }, this);
        map = null;
        return ignoreCase
            ? function(value) {return keywords[value.toLowerCase()] || defaultToken; }
            : function(value) {return keywords[value] || defaultToken; };
    };

    this.getKeywords = function() {
        return this.$keywords;
    };

}).call(TextHighlightRules.prototype);

exports.TextHighlightRules = TextHighlightRules;
});

ace.define("ace/mode/behaviour",["require","exports","module"], function(require, exports, module) {
"use strict";

var Behaviour = function() {
   this.$behaviours = {};
};

(function () {

    this.add = function (name, action, callback) {
        switch (undefined) {
          case this.$behaviours:
              this.$behaviours = {};
          case this.$behaviours[name]:
              this.$behaviours[name] = {};
        }
        this.$behaviours[name][action] = callback;
    };
    
    this.addBehaviours = function (behaviours) {
        for (var key in behaviours) {
            for (var action in behaviours[key]) {
                this.add(key, action, behaviours[key][action]);
            }
        }
    };
    
    this.remove = function (name) {
        if (this.$behaviours && this.$behaviours[name]) {
            delete this.$behaviours[name];
        }
    };
    
    this.inherit = function (mode, filter) {
        if (typeof mode === "function") {
            var behaviours = new mode().getBehaviours(filter);
        } else {
            var behaviours = mode.getBehaviours(filter);
        }
        this.addBehaviours(behaviours);
    };
    
    this.getBehaviours = function (filter) {
        if (!filter) {
            return this.$behaviours;
        } else {
            var ret = {};
            for (var i = 0; i < filter.length; i++) {
                if (this.$behaviours[filter[i]]) {
                    ret[filter[i]] = this.$behaviours[filter[i]];
                }
            }
            return ret;
        }
    };

}).call(Behaviour.prototype);

exports.Behaviour = Behaviour;
});

ace.define("ace/token_iterator",["require","exports","module","ace/range"], function(require, exports, module) {
"use strict";

var Range = require("./range").Range;
var TokenIterator = function(session, initialRow, initialColumn) {
    this.$session = session;
    this.$row = initialRow;
    this.$rowTokens = session.getTokens(initialRow);

    var token = session.getTokenAt(initialRow, initialColumn);
    this.$tokenIndex = token ? token.index : -1;
};

(function() { 
    this.stepBackward = function() {
        this.$tokenIndex -= 1;
        
        while (this.$tokenIndex < 0) {
            this.$row -= 1;
            if (this.$row < 0) {
                this.$row = 0;
                return null;
            }
                
            this.$rowTokens = this.$session.getTokens(this.$row);
            this.$tokenIndex = this.$rowTokens.length - 1;
        }
            
        return this.$rowTokens[this.$tokenIndex];
    };   
    this.stepForward = function() {
        this.$tokenIndex += 1;
        var rowCount;
        while (this.$tokenIndex >= this.$rowTokens.length) {
            this.$row += 1;
            if (!rowCount)
                rowCount = this.$session.getLength();
            if (this.$row >= rowCount) {
                this.$row = rowCount - 1;
                return null;
            }

            this.$rowTokens = this.$session.getTokens(this.$row);
            this.$tokenIndex = 0;
        }
            
        return this.$rowTokens[this.$tokenIndex];
    };      
    this.getCurrentToken = function () {
        return this.$rowTokens[this.$tokenIndex];
    };      
    this.getCurrentTokenRow = function () {
        return this.$row;
    };     
    this.getCurrentTokenColumn = function() {
        var rowTokens = this.$rowTokens;
        var tokenIndex = this.$tokenIndex;
        var column = rowTokens[tokenIndex].start;
        if (column !== undefined)
            return column;
            
        column = 0;
        while (tokenIndex > 0) {
            tokenIndex -= 1;
            column += rowTokens[tokenIndex].value.length;
        }
        
        return column;  
    };
    this.getCurrentTokenPosition = function() {
        return {row: this.$row, column: this.getCurrentTokenColumn()};
    };
    this.getCurrentTokenRange = function() {
        var token = this.$rowTokens[this.$tokenIndex];
        var column = this.getCurrentTokenColumn();
        return new Range(this.$row, column, this.$row, column + token.value.length);
    };
    
}).call(TokenIterator.prototype);

exports.TokenIterator = TokenIterator;
});

ace.define("ace/mode/behaviour/cstyle",["require","exports","module","ace/lib/oop","ace/mode/behaviour","ace/token_iterator","ace/lib/lang"], function(require, exports, module) {
"use strict";

var oop = require("../../lib/oop");
var Behaviour = require("../behaviour").Behaviour;
var TokenIterator = require("../../token_iterator").TokenIterator;
var lang = require("../../lib/lang");

var SAFE_INSERT_IN_TOKENS =
    ["text", "paren.rparen", "rparen", "paren", "punctuation.operator"];
var SAFE_INSERT_BEFORE_TOKENS =
    ["text", "paren.rparen", "rparen", "paren", "punctuation.operator", "comment"];

var context;
var contextCache = {};
var defaultQuotes = {'"' : '"', "'" : "'"};

var initContext = function(editor) {
    var id = -1;
    if (editor.multiSelect) {
        id = editor.selection.index;
        if (contextCache.rangeCount != editor.multiSelect.rangeCount)
            contextCache = {rangeCount: editor.multiSelect.rangeCount};
    }
    if (contextCache[id])
        return context = contextCache[id];
    context = contextCache[id] = {
        autoInsertedBrackets: 0,
        autoInsertedRow: -1,
        autoInsertedLineEnd: "",
        maybeInsertedBrackets: 0,
        maybeInsertedRow: -1,
        maybeInsertedLineStart: "",
        maybeInsertedLineEnd: ""
    };
};

var getWrapped = function(selection, selected, opening, closing) {
    var rowDiff = selection.end.row - selection.start.row;
    return {
        text: opening + selected + closing,
        selection: [
                0,
                selection.start.column + 1,
                rowDiff,
                selection.end.column + (rowDiff ? 0 : 1)
            ]
    };
};

var CstyleBehaviour = function(options) {
    this.add("braces", "insertion", function(state, action, editor, session, text) {
        var cursor = editor.getCursorPosition();
        var line = session.doc.getLine(cursor.row);
        if (text == '{') {
            initContext(editor);
            var selection = editor.getSelectionRange();
            var selected = session.doc.getTextRange(selection);
            if (selected !== "" && selected !== "{" && editor.getWrapBehavioursEnabled()) {
                return getWrapped(selection, selected, '{', '}');
            } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                if (/[\]\}\)]/.test(line[cursor.column]) || editor.inMultiSelectMode || options && options.braces) {
                    CstyleBehaviour.recordAutoInsert(editor, session, "}");
                    return {
                        text: '{}',
                        selection: [1, 1]
                    };
                } else {
                    CstyleBehaviour.recordMaybeInsert(editor, session, "{");
                    return {
                        text: '{',
                        selection: [1, 1]
                    };
                }
            }
        } else if (text == '}') {
            initContext(editor);
            var rightChar = line.substring(cursor.column, cursor.column + 1);
            if (rightChar == '}') {
                var matching = session.$findOpeningBracket('}', {column: cursor.column + 1, row: cursor.row});
                if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                    CstyleBehaviour.popAutoInsertedClosing();
                    return {
                        text: '',
                        selection: [1, 1]
                    };
                }
            }
        } else if (text == "\n" || text == "\r\n") {
            initContext(editor);
            var closing = "";
            if (CstyleBehaviour.isMaybeInsertedClosing(cursor, line)) {
                closing = lang.stringRepeat("}", context.maybeInsertedBrackets);
                CstyleBehaviour.clearMaybeInsertedClosing();
            }
            var rightChar = line.substring(cursor.column, cursor.column + 1);
            if (rightChar === '}') {
                var openBracePos = session.findMatchingBracket({row: cursor.row, column: cursor.column+1}, '}');
                if (!openBracePos)
                     return null;
                var next_indent = this.$getIndent(session.getLine(openBracePos.row));
            } else if (closing) {
                var next_indent = this.$getIndent(line);
            } else {
                CstyleBehaviour.clearMaybeInsertedClosing();
                return;
            }
            var indent = next_indent + session.getTabString();

            return {
                text: '\n' + indent + '\n' + next_indent + closing,
                selection: [1, indent.length, 1, indent.length]
            };
        } else {
            CstyleBehaviour.clearMaybeInsertedClosing();
        }
    });

    this.add("braces", "deletion", function(state, action, editor, session, range) {
        var selected = session.doc.getTextRange(range);
        if (!range.isMultiLine() && selected == '{') {
            initContext(editor);
            var line = session.doc.getLine(range.start.row);
            var rightChar = line.substring(range.end.column, range.end.column + 1);
            if (rightChar == '}') {
                range.end.column++;
                return range;
            } else {
                context.maybeInsertedBrackets--;
            }
        }
    });

    this.add("parens", "insertion", function(state, action, editor, session, text) {
        if (text == '(') {
            initContext(editor);
            var selection = editor.getSelectionRange();
            var selected = session.doc.getTextRange(selection);
            if (selected !== "" && editor.getWrapBehavioursEnabled()) {
                return getWrapped(selection, selected, '(', ')');
            } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                CstyleBehaviour.recordAutoInsert(editor, session, ")");
                return {
                    text: '()',
                    selection: [1, 1]
                };
            }
        } else if (text == ')') {
            initContext(editor);
            var cursor = editor.getCursorPosition();
            var line = session.doc.getLine(cursor.row);
            var rightChar = line.substring(cursor.column, cursor.column + 1);
            if (rightChar == ')') {
                var matching = session.$findOpeningBracket(')', {column: cursor.column + 1, row: cursor.row});
                if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                    CstyleBehaviour.popAutoInsertedClosing();
                    return {
                        text: '',
                        selection: [1, 1]
                    };
                }
            }
        }
    });

    this.add("parens", "deletion", function(state, action, editor, session, range) {
        var selected = session.doc.getTextRange(range);
        if (!range.isMultiLine() && selected == '(') {
            initContext(editor);
            var line = session.doc.getLine(range.start.row);
            var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
            if (rightChar == ')') {
                range.end.column++;
                return range;
            }
        }
    });

    this.add("brackets", "insertion", function(state, action, editor, session, text) {
        if (text == '[') {
            initContext(editor);
            var selection = editor.getSelectionRange();
            var selected = session.doc.getTextRange(selection);
            if (selected !== "" && editor.getWrapBehavioursEnabled()) {
                return getWrapped(selection, selected, '[', ']');
            } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                CstyleBehaviour.recordAutoInsert(editor, session, "]");
                return {
                    text: '[]',
                    selection: [1, 1]
                };
            }
        } else if (text == ']') {
            initContext(editor);
            var cursor = editor.getCursorPosition();
            var line = session.doc.getLine(cursor.row);
            var rightChar = line.substring(cursor.column, cursor.column + 1);
            if (rightChar == ']') {
                var matching = session.$findOpeningBracket(']', {column: cursor.column + 1, row: cursor.row});
                if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                    CstyleBehaviour.popAutoInsertedClosing();
                    return {
                        text: '',
                        selection: [1, 1]
                    };
                }
            }
        }
    });

    this.add("brackets", "deletion", function(state, action, editor, session, range) {
        var selected = session.doc.getTextRange(range);
        if (!range.isMultiLine() && selected == '[') {
            initContext(editor);
            var line = session.doc.getLine(range.start.row);
            var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
            if (rightChar == ']') {
                range.end.column++;
                return range;
            }
        }
    });

    this.add("string_dquotes", "insertion", function(state, action, editor, session, text) {
        var quotes = session.$mode.$quotes || defaultQuotes;
        if (text.length == 1 && quotes[text]) {
            if (this.lineCommentStart && this.lineCommentStart.indexOf(text) != -1) 
                return;
            initContext(editor);
            var quote = text;
            var selection = editor.getSelectionRange();
            var selected = session.doc.getTextRange(selection);
            if (selected !== "" && (selected.length != 1 || !quotes[selected]) && editor.getWrapBehavioursEnabled()) {
                return getWrapped(selection, selected, quote, quote);
            } else if (!selected) {
                var cursor = editor.getCursorPosition();
                var line = session.doc.getLine(cursor.row);
                var leftChar = line.substring(cursor.column-1, cursor.column);
                var rightChar = line.substring(cursor.column, cursor.column + 1);
                
                var token = session.getTokenAt(cursor.row, cursor.column);
                var rightToken = session.getTokenAt(cursor.row, cursor.column + 1);
                if (leftChar == "\\" && token && /escape/.test(token.type))
                    return null;
                
                var stringBefore = token && /string|escape/.test(token.type);
                var stringAfter = !rightToken || /string|escape/.test(rightToken.type);
                
                var pair;
                if (rightChar == quote) {
                    pair = stringBefore !== stringAfter;
                    if (pair && /string\.end/.test(rightToken.type))
                        pair = false;
                } else {
                    if (stringBefore && !stringAfter)
                        return null; // wrap string with different quote
                    if (stringBefore && stringAfter)
                        return null; // do not pair quotes inside strings
                    var wordRe = session.$mode.tokenRe;
                    wordRe.lastIndex = 0;
                    var isWordBefore = wordRe.test(leftChar);
                    wordRe.lastIndex = 0;
                    var isWordAfter = wordRe.test(leftChar);
                    if (isWordBefore || isWordAfter)
                        return null; // before or after alphanumeric
                    if (rightChar && !/[\s;,.})\]\\]/.test(rightChar))
                        return null; // there is rightChar and it isn't closing
                    var charBefore = line[cursor.column - 2];
                    if (leftChar == quote &&  (charBefore == quote || wordRe.test(charBefore)))
                        return null;
                    pair = true;
                }
                return {
                    text: pair ? quote + quote : "",
                    selection: [1,1]
                };
            }
        }
    });

    this.add("string_dquotes", "deletion", function(state, action, editor, session, range) {
        var quotes = session.$mode.$quotes || defaultQuotes;

        var selected = session.doc.getTextRange(range);
        if (!range.isMultiLine() && quotes.hasOwnProperty(selected)) {
            initContext(editor);
            var line = session.doc.getLine(range.start.row);
            var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
            if (rightChar == selected) {
                range.end.column++;
                return range;
            }
        }
    });

};

    
CstyleBehaviour.isSaneInsertion = function(editor, session) {
    var cursor = editor.getCursorPosition();
    var iterator = new TokenIterator(session, cursor.row, cursor.column);
    if (!this.$matchTokenType(iterator.getCurrentToken() || "text", SAFE_INSERT_IN_TOKENS)) {
        if (/[)}\]]/.test(editor.session.getLine(cursor.row)[cursor.column]))
            return true;
        var iterator2 = new TokenIterator(session, cursor.row, cursor.column + 1);
        if (!this.$matchTokenType(iterator2.getCurrentToken() || "text", SAFE_INSERT_IN_TOKENS))
            return false;
    }
    iterator.stepForward();
    return iterator.getCurrentTokenRow() !== cursor.row ||
        this.$matchTokenType(iterator.getCurrentToken() || "text", SAFE_INSERT_BEFORE_TOKENS);
};

CstyleBehaviour.$matchTokenType = function(token, types) {
    return types.indexOf(token.type || token) > -1;
};

CstyleBehaviour.recordAutoInsert = function(editor, session, bracket) {
    var cursor = editor.getCursorPosition();
    var line = session.doc.getLine(cursor.row);
    if (!this.isAutoInsertedClosing(cursor, line, context.autoInsertedLineEnd[0]))
        context.autoInsertedBrackets = 0;
    context.autoInsertedRow = cursor.row;
    context.autoInsertedLineEnd = bracket + line.substr(cursor.column);
    context.autoInsertedBrackets++;
};

CstyleBehaviour.recordMaybeInsert = function(editor, session, bracket) {
    var cursor = editor.getCursorPosition();
    var line = session.doc.getLine(cursor.row);
    if (!this.isMaybeInsertedClosing(cursor, line))
        context.maybeInsertedBrackets = 0;
    context.maybeInsertedRow = cursor.row;
    context.maybeInsertedLineStart = line.substr(0, cursor.column) + bracket;
    context.maybeInsertedLineEnd = line.substr(cursor.column);
    context.maybeInsertedBrackets++;
};

CstyleBehaviour.isAutoInsertedClosing = function(cursor, line, bracket) {
    return context.autoInsertedBrackets > 0 &&
        cursor.row === context.autoInsertedRow &&
        bracket === context.autoInsertedLineEnd[0] &&
        line.substr(cursor.column) === context.autoInsertedLineEnd;
};

CstyleBehaviour.isMaybeInsertedClosing = function(cursor, line) {
    return context.maybeInsertedBrackets > 0 &&
        cursor.row === context.maybeInsertedRow &&
        line.substr(cursor.column) === context.maybeInsertedLineEnd &&
        line.substr(0, cursor.column) == context.maybeInsertedLineStart;
};

CstyleBehaviour.popAutoInsertedClosing = function() {
    context.autoInsertedLineEnd = context.autoInsertedLineEnd.substr(1);
    context.autoInsertedBrackets--;
};

CstyleBehaviour.clearMaybeInsertedClosing = function() {
    if (context) {
        context.maybeInsertedBrackets = 0;
        context.maybeInsertedRow = -1;
    }
};



oop.inherits(CstyleBehaviour, Behaviour);

exports.CstyleBehaviour = CstyleBehaviour;
});

ace.define("ace/unicode",["require","exports","module"], function(require, exports, module) {
"use strict";
var wordChars = [48,9,8,25,5,0,2,25,48,0,11,0,5,0,6,22,2,30,2,457,5,11,15,4,8,0,2,0,18,116,2,1,3,3,9,0,2,2,2,0,2,19,2,82,2,138,2,4,3,155,12,37,3,0,8,38,10,44,2,0,2,1,2,1,2,0,9,26,6,2,30,10,7,61,2,9,5,101,2,7,3,9,2,18,3,0,17,58,3,100,15,53,5,0,6,45,211,57,3,18,2,5,3,11,3,9,2,1,7,6,2,2,2,7,3,1,3,21,2,6,2,0,4,3,3,8,3,1,3,3,9,0,5,1,2,4,3,11,16,2,2,5,5,1,3,21,2,6,2,1,2,1,2,1,3,0,2,4,5,1,3,2,4,0,8,3,2,0,8,15,12,2,2,8,2,2,2,21,2,6,2,1,2,4,3,9,2,2,2,2,3,0,16,3,3,9,18,2,2,7,3,1,3,21,2,6,2,1,2,4,3,8,3,1,3,2,9,1,5,1,2,4,3,9,2,0,17,1,2,5,4,2,2,3,4,1,2,0,2,1,4,1,4,2,4,11,5,4,4,2,2,3,3,0,7,0,15,9,18,2,2,7,2,2,2,22,2,9,2,4,4,7,2,2,2,3,8,1,2,1,7,3,3,9,19,1,2,7,2,2,2,22,2,9,2,4,3,8,2,2,2,3,8,1,8,0,2,3,3,9,19,1,2,7,2,2,2,22,2,15,4,7,2,2,2,3,10,0,9,3,3,9,11,5,3,1,2,17,4,23,2,8,2,0,3,6,4,0,5,5,2,0,2,7,19,1,14,57,6,14,2,9,40,1,2,0,3,1,2,0,3,0,7,3,2,6,2,2,2,0,2,0,3,1,2,12,2,2,3,4,2,0,2,5,3,9,3,1,35,0,24,1,7,9,12,0,2,0,2,0,5,9,2,35,5,19,2,5,5,7,2,35,10,0,58,73,7,77,3,37,11,42,2,0,4,328,2,3,3,6,2,0,2,3,3,40,2,3,3,32,2,3,3,6,2,0,2,3,3,14,2,56,2,3,3,66,5,0,33,15,17,84,13,619,3,16,2,25,6,74,22,12,2,6,12,20,12,19,13,12,2,2,2,1,13,51,3,29,4,0,5,1,3,9,34,2,3,9,7,87,9,42,6,69,11,28,4,11,5,11,11,39,3,4,12,43,5,25,7,10,38,27,5,62,2,28,3,10,7,9,14,0,89,75,5,9,18,8,13,42,4,11,71,55,9,9,4,48,83,2,2,30,14,230,23,280,3,5,3,37,3,5,3,7,2,0,2,0,2,0,2,30,3,52,2,6,2,0,4,2,2,6,4,3,3,5,5,12,6,2,2,6,67,1,20,0,29,0,14,0,17,4,60,12,5,0,4,11,18,0,5,0,3,9,2,0,4,4,7,0,2,0,2,0,2,3,2,10,3,3,6,4,5,0,53,1,2684,46,2,46,2,132,7,6,15,37,11,53,10,0,17,22,10,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,31,48,0,470,1,36,5,2,4,6,1,5,85,3,1,3,2,2,89,2,3,6,40,4,93,18,23,57,15,513,6581,75,20939,53,1164,68,45,3,268,4,27,21,31,3,13,13,1,2,24,9,69,11,1,38,8,3,102,3,1,111,44,25,51,13,68,12,9,7,23,4,0,5,45,3,35,13,28,4,64,15,10,39,54,10,13,3,9,7,22,4,1,5,66,25,2,227,42,2,1,3,9,7,11171,13,22,5,48,8453,301,3,61,3,105,39,6,13,4,6,11,2,12,2,4,2,0,2,1,2,1,2,107,34,362,19,63,3,53,41,11,5,15,17,6,13,1,25,2,33,4,2,134,20,9,8,25,5,0,2,25,12,88,4,5,3,5,3,5,3,2];

var code = 0;
var str = [];
for (var i = 0; i < wordChars.length; i += 2) {
    str.push(code += wordChars[i]);
    if (wordChars[i + 1])
        str.push(45, code += wordChars[i + 1]);
}

exports.wordChars = String.fromCharCode.apply(null, str);

});

ace.define("ace/mode/text",["require","exports","module","ace/config","ace/tokenizer","ace/mode/text_highlight_rules","ace/mode/behaviour/cstyle","ace/unicode","ace/lib/lang","ace/token_iterator","ace/range"], function(require, exports, module) {
"use strict";
var config = require("../config");

var Tokenizer = require("../tokenizer").Tokenizer;
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
var CstyleBehaviour = require("./behaviour/cstyle").CstyleBehaviour;
var unicode = require("../unicode");
var lang = require("../lib/lang");
var TokenIterator = require("../token_iterator").TokenIterator;
var Range = require("../range").Range;

var Mode = function() {
    this.HighlightRules = TextHighlightRules;
};

(function() {
    this.$defaultBehaviour = new CstyleBehaviour();

    this.tokenRe = new RegExp("^[" + unicode.wordChars + "\\$_]+", "g");

    this.nonTokenRe = new RegExp("^(?:[^" + unicode.wordChars + "\\$_]|\\s])+", "g");

    this.getTokenizer = function() {
        if (!this.$tokenizer) {
            this.$highlightRules = this.$highlightRules || new this.HighlightRules(this.$highlightRuleConfig);
            this.$tokenizer = new Tokenizer(this.$highlightRules.getRules());
        }
        return this.$tokenizer;
    };

    this.lineCommentStart = "";
    this.blockComment = "";

    this.toggleCommentLines = function(state, session, startRow, endRow) {
        var doc = session.doc;

        var ignoreBlankLines = true;
        var shouldRemove = true;
        var minIndent = Infinity;
        var tabSize = session.getTabSize();
        var insertAtTabStop = false;

        if (!this.lineCommentStart) {
            if (!this.blockComment)
                return false;
            var lineCommentStart = this.blockComment.start;
            var lineCommentEnd = this.blockComment.end;
            var regexpStart = new RegExp("^(\\s*)(?:" + lang.escapeRegExp(lineCommentStart) + ")");
            var regexpEnd = new RegExp("(?:" + lang.escapeRegExp(lineCommentEnd) + ")\\s*$");

            var comment = function(line, i) {
                if (testRemove(line, i))
                    return;
                if (!ignoreBlankLines || /\S/.test(line)) {
                    doc.insertInLine({row: i, column: line.length}, lineCommentEnd);
                    doc.insertInLine({row: i, column: minIndent}, lineCommentStart);
                }
            };

            var uncomment = function(line, i) {
                var m;
                if (m = line.match(regexpEnd))
                    doc.removeInLine(i, line.length - m[0].length, line.length);
                if (m = line.match(regexpStart))
                    doc.removeInLine(i, m[1].length, m[0].length);
            };

            var testRemove = function(line, row) {
                if (regexpStart.test(line))
                    return true;
                var tokens = session.getTokens(row);
                for (var i = 0; i < tokens.length; i++) {
                    if (tokens[i].type === "comment")
                        return true;
                }
            };
        } else {
            if (Array.isArray(this.lineCommentStart)) {
                var regexpStart = this.lineCommentStart.map(lang.escapeRegExp).join("|");
                var lineCommentStart = this.lineCommentStart[0];
            } else {
                var regexpStart = lang.escapeRegExp(this.lineCommentStart);
                var lineCommentStart = this.lineCommentStart;
            }
            regexpStart = new RegExp("^(\\s*)(?:" + regexpStart + ") ?");
            
            insertAtTabStop = session.getUseSoftTabs();

            var uncomment = function(line, i) {
                var m = line.match(regexpStart);
                if (!m) return;
                var start = m[1].length, end = m[0].length;
                if (!shouldInsertSpace(line, start, end) && m[0][end - 1] == " ")
                    end--;
                doc.removeInLine(i, start, end);
            };
            var commentWithSpace = lineCommentStart + " ";
            var comment = function(line, i) {
                if (!ignoreBlankLines || /\S/.test(line)) {
                    if (shouldInsertSpace(line, minIndent, minIndent))
                        doc.insertInLine({row: i, column: minIndent}, commentWithSpace);
                    else
                        doc.insertInLine({row: i, column: minIndent}, lineCommentStart);
                }
            };
            var testRemove = function(line, i) {
                return regexpStart.test(line);
            };
            
            var shouldInsertSpace = function(line, before, after) {
                var spaces = 0;
                while (before-- && line.charAt(before) == " ")
                    spaces++;
                if (spaces % tabSize != 0)
                    return false;
                var spaces = 0;
                while (line.charAt(after++) == " ")
                    spaces++;
                if (tabSize > 2)
                    return spaces % tabSize != tabSize - 1;
                else
                    return spaces % tabSize == 0;
            };
        }

        function iter(fun) {
            for (var i = startRow; i <= endRow; i++)
                fun(doc.getLine(i), i);
        }


        var minEmptyLength = Infinity;
        iter(function(line, i) {
            var indent = line.search(/\S/);
            if (indent !== -1) {
                if (indent < minIndent)
                    minIndent = indent;
                if (shouldRemove && !testRemove(line, i))
                    shouldRemove = false;
            } else if (minEmptyLength > line.length) {
                minEmptyLength = line.length;
            }
        });

        if (minIndent == Infinity) {
            minIndent = minEmptyLength;
            ignoreBlankLines = false;
            shouldRemove = false;
        }

        if (insertAtTabStop && minIndent % tabSize != 0)
            minIndent = Math.floor(minIndent / tabSize) * tabSize;

        iter(shouldRemove ? uncomment : comment);
    };

    this.toggleBlockComment = function(state, session, range, cursor) {
        var comment = this.blockComment;
        if (!comment)
            return;
        if (!comment.start && comment[0])
            comment = comment[0];

        var iterator = new TokenIterator(session, cursor.row, cursor.column);
        var token = iterator.getCurrentToken();

        var sel = session.selection;
        var initialRange = session.selection.toOrientedRange();
        var startRow, colDiff;

        if (token && /comment/.test(token.type)) {
            var startRange, endRange;
            while (token && /comment/.test(token.type)) {
                var i = token.value.indexOf(comment.start);
                if (i != -1) {
                    var row = iterator.getCurrentTokenRow();
                    var column = iterator.getCurrentTokenColumn() + i;
                    startRange = new Range(row, column, row, column + comment.start.length);
                    break;
                }
                token = iterator.stepBackward();
            }

            var iterator = new TokenIterator(session, cursor.row, cursor.column);
            var token = iterator.getCurrentToken();
            while (token && /comment/.test(token.type)) {
                var i = token.value.indexOf(comment.end);
                if (i != -1) {
                    var row = iterator.getCurrentTokenRow();
                    var column = iterator.getCurrentTokenColumn() + i;
                    endRange = new Range(row, column, row, column + comment.end.length);
                    break;
                }
                token = iterator.stepForward();
            }
            if (endRange)
                session.remove(endRange);
            if (startRange) {
                session.remove(startRange);
                startRow = startRange.start.row;
                colDiff = -comment.start.length;
            }
        } else {
            colDiff = comment.start.length;
            startRow = range.start.row;
            session.insert(range.end, comment.end);
            session.insert(range.start, comment.start);
        }
        if (initialRange.start.row == startRow)
            initialRange.start.column += colDiff;
        if (initialRange.end.row == startRow)
            initialRange.end.column += colDiff;
        session.selection.fromOrientedRange(initialRange);
    };

    this.getNextLineIndent = function(state, line, tab) {
        return this.$getIndent(line);
    };

    this.checkOutdent = function(state, line, input) {
        return false;
    };

    this.autoOutdent = function(state, doc, row) {
    };

    this.$getIndent = function(line) {
        return line.match(/^\s*/)[0];
    };

    this.createWorker = function(session) {
        return null;
    };

    this.createModeDelegates = function (mapping) {
        this.$embeds = [];
        this.$modes = {};
        for (var i in mapping) {
            if (mapping[i]) {
                var Mode = mapping[i];
                var id = Mode.prototype.$id;
                var mode = config.$modes[id];
                if (!mode)
                    config.$modes[id] = mode = new Mode();
                if (!config.$modes[i])
                    config.$modes[i] = mode;
                this.$embeds.push(i);
                this.$modes[i] = mode;
            }
        }

        var delegations = ["toggleBlockComment", "toggleCommentLines", "getNextLineIndent", 
            "checkOutdent", "autoOutdent", "transformAction", "getCompletions"];

        for (var i = 0; i < delegations.length; i++) {
            (function(scope) {
              var functionName = delegations[i];
              var defaultHandler = scope[functionName];
              scope[delegations[i]] = function() {
                  return this.$delegator(functionName, arguments, defaultHandler);
              };
            }(this));
        }
    };

    this.$delegator = function(method, args, defaultHandler) {
        var state = args[0] || "start";
        if (typeof state != "string") {
            if (Array.isArray(state[2])) {
                var language = state[2][state[2].length - 1];
                var mode = this.$modes[language];
                if (mode)
                    return mode[method].apply(mode, [state[1]].concat([].slice.call(args, 1)));
            }
            state = state[0] || "start";
        }
            
        for (var i = 0; i < this.$embeds.length; i++) {
            if (!this.$modes[this.$embeds[i]]) continue;

            var split = state.split(this.$embeds[i]);
            if (!split[0] && split[1]) {
                args[0] = split[1];
                var mode = this.$modes[this.$embeds[i]];
                return mode[method].apply(mode, args);
            }
        }
        var ret = defaultHandler.apply(this, args);
        return defaultHandler ? ret : undefined;
    };

    this.transformAction = function(state, action, editor, session, param) {
        if (this.$behaviour) {
            var behaviours = this.$behaviour.getBehaviours();
            for (var key in behaviours) {
                if (behaviours[key][action]) {
                    var ret = behaviours[key][action].apply(this, arguments);
                    if (ret) {
                        return ret;
                    }
                }
            }
        }
    };
    
    this.getKeywords = function(append) {
        if (!this.completionKeywords) {
            var rules = this.$tokenizer.rules;
            var completionKeywords = [];
            for (var rule in rules) {
                var ruleItr = rules[rule];
                for (var r = 0, l = ruleItr.length; r < l; r++) {
                    if (typeof ruleItr[r].token === "string") {
                        if (/keyword|support|storage/.test(ruleItr[r].token))
                            completionKeywords.push(ruleItr[r].regex);
                    }
                    else if (typeof ruleItr[r].token === "object") {
                        for (var a = 0, aLength = ruleItr[r].token.length; a < aLength; a++) {    
                            if (/keyword|support|storage/.test(ruleItr[r].token[a])) {
                                var rule = ruleItr[r].regex.match(/\(.+?\)/g)[a];
                                completionKeywords.push(rule.substr(1, rule.length - 2));
                            }
                        }
                    }
                }
            }
            this.completionKeywords = completionKeywords;
        }
        if (!append)
            return this.$keywordList;
        return completionKeywords.concat(this.$keywordList || []);
    };
    
    this.$createKeywordList = function() {
        if (!this.$highlightRules)
            this.getTokenizer();
        return this.$keywordList = this.$highlightRules.$keywordList || [];
    };

    this.getCompletions = function(state, session, pos, prefix) {
        var keywords = this.$keywordList || this.$createKeywordList();
        return keywords.map(function(word) {
            return {
                name: word,
                value: word,
                score: 0,
                meta: "keyword"
            };
        });
    };

    this.$id = "ace/mode/text";
}).call(Mode.prototype);

exports.Mode = Mode;
});

ace.define("ace/apply_delta",["require","exports","module"], function(require, exports, module) {
"use strict";

function throwDeltaError(delta, errorText){
    console.log("Invalid Delta:", delta);
    throw "Invalid Delta: " + errorText;
}

function positionInDocument(docLines, position) {
    return position.row    >= 0 && position.row    <  docLines.length &&
           position.column >= 0 && position.column <= docLines[position.row].length;
}

function validateDelta(docLines, delta) {
    if (delta.action != "insert" && delta.action != "remove")
        throwDeltaError(delta, "delta.action must be 'insert' or 'remove'");
    if (!(delta.lines instanceof Array))
        throwDeltaError(delta, "delta.lines must be an Array");
    if (!delta.start || !delta.end)
       throwDeltaError(delta, "delta.start/end must be an present");
    var start = delta.start;
    if (!positionInDocument(docLines, delta.start))
        throwDeltaError(delta, "delta.start must be contained in document");
    var end = delta.end;
    if (delta.action == "remove" && !positionInDocument(docLines, end))
        throwDeltaError(delta, "delta.end must contained in document for 'remove' actions");
    var numRangeRows = end.row - start.row;
    var numRangeLastLineChars = (end.column - (numRangeRows == 0 ? start.column : 0));
    if (numRangeRows != delta.lines.length - 1 || delta.lines[numRangeRows].length != numRangeLastLineChars)
        throwDeltaError(delta, "delta.range must match delta lines");
}

exports.applyDelta = function(docLines, delta, doNotValidate) {
    
    var row = delta.start.row;
    var startColumn = delta.start.column;
    var line = docLines[row] || "";
    switch (delta.action) {
        case "insert":
            var lines = delta.lines;
            if (lines.length === 1) {
                docLines[row] = line.substring(0, startColumn) + delta.lines[0] + line.substring(startColumn);
            } else {
                var args = [row, 1].concat(delta.lines);
                docLines.splice.apply(docLines, args);
                docLines[row] = line.substring(0, startColumn) + docLines[row];
                docLines[row + delta.lines.length - 1] += line.substring(startColumn);
            }
            break;
        case "remove":
            var endColumn = delta.end.column;
            var endRow = delta.end.row;
            if (row === endRow) {
                docLines[row] = line.substring(0, startColumn) + line.substring(endColumn);
            } else {
                docLines.splice(
                    row, endRow - row + 1,
                    line.substring(0, startColumn) + docLines[endRow].substring(endColumn)
                );
            }
            break;
    }
};
});

ace.define("ace/anchor",["require","exports","module","ace/lib/oop","ace/lib/event_emitter"], function(require, exports, module) {
"use strict";

var oop = require("./lib/oop");
var EventEmitter = require("./lib/event_emitter").EventEmitter;

var Anchor = exports.Anchor = function(doc, row, column) {
    this.$onChange = this.onChange.bind(this);
    this.attach(doc);
    
    if (typeof column == "undefined")
        this.setPosition(row.row, row.column);
    else
        this.setPosition(row, column);
};

(function() {

    oop.implement(this, EventEmitter);
    this.getPosition = function() {
        return this.$clipPositionToDocument(this.row, this.column);
    };
    this.getDocument = function() {
        return this.document;
    };
    this.$insertRight = false;
    this.onChange = function(delta) {
        if (delta.start.row == delta.end.row && delta.start.row != this.row)
            return;

        if (delta.start.row > this.row)
            return;
            
        var point = $getTransformedPoint(delta, {row: this.row, column: this.column}, this.$insertRight);
        this.setPosition(point.row, point.column, true);
    };
    
    function $pointsInOrder(point1, point2, equalPointsInOrder) {
        var bColIsAfter = equalPointsInOrder ? point1.column <= point2.column : point1.column < point2.column;
        return (point1.row < point2.row) || (point1.row == point2.row && bColIsAfter);
    }
            
    function $getTransformedPoint(delta, point, moveIfEqual) {
        var deltaIsInsert = delta.action == "insert";
        var deltaRowShift = (deltaIsInsert ? 1 : -1) * (delta.end.row    - delta.start.row);
        var deltaColShift = (deltaIsInsert ? 1 : -1) * (delta.end.column - delta.start.column);
        var deltaStart = delta.start;
        var deltaEnd = deltaIsInsert ? deltaStart : delta.end; // Collapse insert range.
        if ($pointsInOrder(point, deltaStart, moveIfEqual)) {
            return {
                row: point.row,
                column: point.column
            };
        }
        if ($pointsInOrder(deltaEnd, point, !moveIfEqual)) {
            return {
                row: point.row + deltaRowShift,
                column: point.column + (point.row == deltaEnd.row ? deltaColShift : 0)
            };
        }
        
        return {
            row: deltaStart.row,
            column: deltaStart.column
        };
    }
    this.setPosition = function(row, column, noClip) {
        var pos;
        if (noClip) {
            pos = {
                row: row,
                column: column
            };
        } else {
            pos = this.$clipPositionToDocument(row, column);
        }

        if (this.row == pos.row && this.column == pos.column)
            return;

        var old = {
            row: this.row,
            column: this.column
        };

        this.row = pos.row;
        this.column = pos.column;
        this._signal("change", {
            old: old,
            value: pos
        });
    };
    this.detach = function() {
        this.document.off("change", this.$onChange);
    };
    this.attach = function(doc) {
        this.document = doc || this.document;
        this.document.on("change", this.$onChange);
    };
    this.$clipPositionToDocument = function(row, column) {
        var pos = {};

        if (row >= this.document.getLength()) {
            pos.row = Math.max(0, this.document.getLength() - 1);
            pos.column = this.document.getLine(pos.row).length;
        }
        else if (row < 0) {
            pos.row = 0;
            pos.column = 0;
        }
        else {
            pos.row = row;
            pos.column = Math.min(this.document.getLine(pos.row).length, Math.max(0, column));
        }

        if (column < 0)
            pos.column = 0;

        return pos;
    };

}).call(Anchor.prototype);

});

ace.define("ace/document",["require","exports","module","ace/lib/oop","ace/apply_delta","ace/lib/event_emitter","ace/range","ace/anchor"], function(require, exports, module) {
"use strict";

var oop = require("./lib/oop");
var applyDelta = require("./apply_delta").applyDelta;
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var Range = require("./range").Range;
var Anchor = require("./anchor").Anchor;

var Document = function(textOrLines) {
    this.$lines = [""];
    if (textOrLines.length === 0) {
        this.$lines = [""];
    } else if (Array.isArray(textOrLines)) {
        this.insertMergedLines({row: 0, column: 0}, textOrLines);
    } else {
        this.insert({row: 0, column:0}, textOrLines);
    }
};

(function() {

    oop.implement(this, EventEmitter);
    this.setValue = function(text) {
        var len = this.getLength() - 1;
        this.remove(new Range(0, 0, len, this.getLine(len).length));
        this.insert({row: 0, column: 0}, text);
    };
    this.getValue = function() {
        return this.getAllLines().join(this.getNewLineCharacter());
    };
    this.createAnchor = function(row, column) {
        return new Anchor(this, row, column);
    };
    if ("aaa".split(/a/).length === 0) {
        this.$split = function(text) {
            return text.replace(/\r\n|\r/g, "\n").split("\n");
        };
    } else {
        this.$split = function(text) {
            return text.split(/\r\n|\r|\n/);
        };
    }


    this.$detectNewLine = function(text) {
        var match = text.match(/^.*?(\r\n|\r|\n)/m);
        this.$autoNewLine = match ? match[1] : "\n";
        this._signal("changeNewLineMode");
    };
    this.getNewLineCharacter = function() {
        switch (this.$newLineMode) {
          case "windows":
            return "\r\n";
          case "unix":
            return "\n";
          default:
            return this.$autoNewLine || "\n";
        }
    };

    this.$autoNewLine = "";
    this.$newLineMode = "auto";
    this.setNewLineMode = function(newLineMode) {
        if (this.$newLineMode === newLineMode)
            return;

        this.$newLineMode = newLineMode;
        this._signal("changeNewLineMode");
    };
    this.getNewLineMode = function() {
        return this.$newLineMode;
    };
    this.isNewLine = function(text) {
        return (text == "\r\n" || text == "\r" || text == "\n");
    };
    this.getLine = function(row) {
        return this.$lines[row] || "";
    };
    this.getLines = function(firstRow, lastRow) {
        return this.$lines.slice(firstRow, lastRow + 1);
    };
    this.getAllLines = function() {
        return this.getLines(0, this.getLength());
    };
    this.getLength = function() {
        return this.$lines.length;
    };
    this.getTextRange = function(range) {
        return this.getLinesForRange(range).join(this.getNewLineCharacter());
    };
    this.getLinesForRange = function(range) {
        var lines;
        if (range.start.row === range.end.row) {
            lines = [this.getLine(range.start.row).substring(range.start.column, range.end.column)];
        } else {
            lines = this.getLines(range.start.row, range.end.row);
            lines[0] = (lines[0] || "").substring(range.start.column);
            var l = lines.length - 1;
            if (range.end.row - range.start.row == l)
                lines[l] = lines[l].substring(0, range.end.column);
        }
        return lines;
    };
    this.insertLines = function(row, lines) {
        console.warn("Use of document.insertLines is deprecated. Use the insertFullLines method instead.");
        return this.insertFullLines(row, lines);
    };
    this.removeLines = function(firstRow, lastRow) {
        console.warn("Use of document.removeLines is deprecated. Use the removeFullLines method instead.");
        return this.removeFullLines(firstRow, lastRow);
    };
    this.insertNewLine = function(position) {
        console.warn("Use of document.insertNewLine is deprecated. Use insertMergedLines(position, ['', '']) instead.");
        return this.insertMergedLines(position, ["", ""]);
    };
    this.insert = function(position, text) {
        if (this.getLength() <= 1)
            this.$detectNewLine(text);
        
        return this.insertMergedLines(position, this.$split(text));
    };
    this.insertInLine = function(position, text) {
        var start = this.clippedPos(position.row, position.column);
        var end = this.pos(position.row, position.column + text.length);
        
        this.applyDelta({
            start: start,
            end: end,
            action: "insert",
            lines: [text]
        }, true);
        
        return this.clonePos(end);
    };
    
    this.clippedPos = function(row, column) {
        var length = this.getLength();
        if (row === undefined) {
            row = length;
        } else if (row < 0) {
            row = 0;
        } else if (row >= length) {
            row = length - 1;
            column = undefined;
        }
        var line = this.getLine(row);
        if (column == undefined)
            column = line.length;
        column = Math.min(Math.max(column, 0), line.length);
        return {row: row, column: column};
    };
    
    this.clonePos = function(pos) {
        return {row: pos.row, column: pos.column};
    };
    
    this.pos = function(row, column) {
        return {row: row, column: column};
    };
    
    this.$clipPosition = function(position) {
        var length = this.getLength();
        if (position.row >= length) {
            position.row = Math.max(0, length - 1);
            position.column = this.getLine(length - 1).length;
        } else {
            position.row = Math.max(0, position.row);
            position.column = Math.min(Math.max(position.column, 0), this.getLine(position.row).length);
        }
        return position;
    };
    this.insertFullLines = function(row, lines) {
        row = Math.min(Math.max(row, 0), this.getLength());
        var column = 0;
        if (row < this.getLength()) {
            lines = lines.concat([""]);
            column = 0;
        } else {
            lines = [""].concat(lines);
            row--;
            column = this.$lines[row].length;
        }
        this.insertMergedLines({row: row, column: column}, lines);
    };    
    this.insertMergedLines = function(position, lines) {
        var start = this.clippedPos(position.row, position.column);
        var end = {
            row: start.row + lines.length - 1,
            column: (lines.length == 1 ? start.column : 0) + lines[lines.length - 1].length
        };
        
        this.applyDelta({
            start: start,
            end: end,
            action: "insert",
            lines: lines
        });
        
        return this.clonePos(end);
    };
    this.remove = function(range) {
        var start = this.clippedPos(range.start.row, range.start.column);
        var end = this.clippedPos(range.end.row, range.end.column);
        this.applyDelta({
            start: start,
            end: end,
            action: "remove",
            lines: this.getLinesForRange({start: start, end: end})
        });
        return this.clonePos(start);
    };
    this.removeInLine = function(row, startColumn, endColumn) {
        var start = this.clippedPos(row, startColumn);
        var end = this.clippedPos(row, endColumn);
        
        this.applyDelta({
            start: start,
            end: end,
            action: "remove",
            lines: this.getLinesForRange({start: start, end: end})
        }, true);
        
        return this.clonePos(start);
    };
    this.removeFullLines = function(firstRow, lastRow) {
        firstRow = Math.min(Math.max(0, firstRow), this.getLength() - 1);
        lastRow  = Math.min(Math.max(0, lastRow ), this.getLength() - 1);
        var deleteFirstNewLine = lastRow == this.getLength() - 1 && firstRow > 0;
        var deleteLastNewLine  = lastRow  < this.getLength() - 1;
        var startRow = ( deleteFirstNewLine ? firstRow - 1                  : firstRow                    );
        var startCol = ( deleteFirstNewLine ? this.getLine(startRow).length : 0                           );
        var endRow   = ( deleteLastNewLine  ? lastRow + 1                   : lastRow                     );
        var endCol   = ( deleteLastNewLine  ? 0                             : this.getLine(endRow).length ); 
        var range = new Range(startRow, startCol, endRow, endCol);
        var deletedLines = this.$lines.slice(firstRow, lastRow + 1);
        
        this.applyDelta({
            start: range.start,
            end: range.end,
            action: "remove",
            lines: this.getLinesForRange(range)
        });
        return deletedLines;
    };
    this.removeNewLine = function(row) {
        if (row < this.getLength() - 1 && row >= 0) {
            this.applyDelta({
                start: this.pos(row, this.getLine(row).length),
                end: this.pos(row + 1, 0),
                action: "remove",
                lines: ["", ""]
            });
        }
    };
    this.replace = function(range, text) {
        if (!(range instanceof Range))
            range = Range.fromPoints(range.start, range.end);
        if (text.length === 0 && range.isEmpty())
            return range.start;
        if (text == this.getTextRange(range))
            return range.end;

        this.remove(range);
        var end;
        if (text) {
            end = this.insert(range.start, text);
        }
        else {
            end = range.start;
        }
        
        return end;
    };
    this.applyDeltas = function(deltas) {
        for (var i=0; i<deltas.length; i++) {
            this.applyDelta(deltas[i]);
        }
    };
    this.revertDeltas = function(deltas) {
        for (var i=deltas.length-1; i>=0; i--) {
            this.revertDelta(deltas[i]);
        }
    };
    this.applyDelta = function(delta, doNotValidate) {
        var isInsert = delta.action == "insert";
        if (isInsert ? delta.lines.length <= 1 && !delta.lines[0]
            : !Range.comparePoints(delta.start, delta.end)) {
            return;
        }
        
        if (isInsert && delta.lines.length > 20000) {
            this.$splitAndapplyLargeDelta(delta, 20000);
        }
        else {
            applyDelta(this.$lines, delta, doNotValidate);
            this._signal("change", delta);
        }
    };
    
    this.$safeApplyDelta = function(delta) {
        var docLength = this.$lines.length;
        if (
            delta.action == "remove" && delta.start.row < docLength && delta.end.row < docLength
            || delta.action == "insert" && delta.start.row <= docLength
        ) {
            this.applyDelta(delta);
        }
    };
    
    this.$splitAndapplyLargeDelta = function(delta, MAX) {
        var lines = delta.lines;
        var l = lines.length - MAX + 1;
        var row = delta.start.row; 
        var column = delta.start.column;
        for (var from = 0, to = 0; from < l; from = to) {
            to += MAX - 1;
            var chunk = lines.slice(from, to);
            chunk.push("");
            this.applyDelta({
                start: this.pos(row + from, column),
                end: this.pos(row + to, column = 0),
                action: delta.action,
                lines: chunk
            }, true);
        }
        delta.lines = lines.slice(from);
        delta.start.row = row + from;
        delta.start.column = column;
        this.applyDelta(delta, true);
    };
    this.revertDelta = function(delta) {
        this.$safeApplyDelta({
            start: this.clonePos(delta.start),
            end: this.clonePos(delta.end),
            action: (delta.action == "insert" ? "remove" : "insert"),
            lines: delta.lines.slice()
        });
    };
    this.indexToPosition = function(index, startRow) {
        var lines = this.$lines || this.getAllLines();
        var newlineLength = this.getNewLineCharacter().length;
        for (var i = startRow || 0, l = lines.length; i < l; i++) {
            index -= lines[i].length + newlineLength;
            if (index < 0)
                return {row: i, column: index + lines[i].length + newlineLength};
        }
        return {row: l-1, column: index + lines[l-1].length + newlineLength};
    };
    this.positionToIndex = function(pos, startRow) {
        var lines = this.$lines || this.getAllLines();
        var newlineLength = this.getNewLineCharacter().length;
        var index = 0;
        var row = Math.min(pos.row, lines.length);
        for (var i = startRow || 0; i < row; ++i)
            index += lines[i].length + newlineLength;

        return index + pos.column;
    };

}).call(Document.prototype);

exports.Document = Document;
});

ace.define("ace/background_tokenizer",["require","exports","module","ace/lib/oop","ace/lib/event_emitter"], function(require, exports, module) {
"use strict";

var oop = require("./lib/oop");
var EventEmitter = require("./lib/event_emitter").EventEmitter;

var BackgroundTokenizer = function(tokenizer, editor) {
    this.running = false;
    this.lines = [];
    this.states = [];
    this.currentLine = 0;
    this.tokenizer = tokenizer;

    var self = this;

    this.$worker = function() {
        if (!self.running) { return; }

        var workerStart = new Date();
        var currentLine = self.currentLine;
        var endLine = -1;
        var doc = self.doc;

        var startLine = currentLine;
        while (self.lines[currentLine])
            currentLine++;
        
        var len = doc.getLength();
        var processedLines = 0;
        self.running = false;
        while (currentLine < len) {
            self.$tokenizeRow(currentLine);
            endLine = currentLine;
            do {
                currentLine++;
            } while (self.lines[currentLine]);
            processedLines ++;
            if ((processedLines % 5 === 0) && (new Date() - workerStart) > 20) {
                self.running = setTimeout(self.$worker, 20);
                break;
            }
        }
        self.currentLine = currentLine;
        
        if (endLine == -1)
            endLine = currentLine;
        
        if (startLine <= endLine)
            self.fireUpdateEvent(startLine, endLine);
    };
};

(function(){

    oop.implement(this, EventEmitter);
    this.setTokenizer = function(tokenizer) {
        this.tokenizer = tokenizer;
        this.lines = [];
        this.states = [];

        this.start(0);
    };
    this.setDocument = function(doc) {
        this.doc = doc;
        this.lines = [];
        this.states = [];

        this.stop();
    };
    this.fireUpdateEvent = function(firstRow, lastRow) {
        var data = {
            first: firstRow,
            last: lastRow
        };
        this._signal("update", {data: data});
    };
    this.start = function(startRow) {
        this.currentLine = Math.min(startRow || 0, this.currentLine, this.doc.getLength());
        this.lines.splice(this.currentLine, this.lines.length);
        this.states.splice(this.currentLine, this.states.length);

        this.stop();
        this.running = setTimeout(this.$worker, 700);
    };
    
    this.scheduleStart = function() {
        if (!this.running)
            this.running = setTimeout(this.$worker, 700);
    };

    this.$updateOnChange = function(delta) {
        var startRow = delta.start.row;
        var len = delta.end.row - startRow;

        if (len === 0) {
            this.lines[startRow] = null;
        } else if (delta.action == "remove") {
            this.lines.splice(startRow, len + 1, null);
            this.states.splice(startRow, len + 1, null);
        } else {
            var args = Array(len + 1);
            args.unshift(startRow, 1);
            this.lines.splice.apply(this.lines, args);
            this.states.splice.apply(this.states, args);
        }

        this.currentLine = Math.min(startRow, this.currentLine, this.doc.getLength());

        this.stop();
    };
    this.stop = function() {
        if (this.running)
            clearTimeout(this.running);
        this.running = false;
    };
    this.getTokens = function(row) {
        return this.lines[row] || this.$tokenizeRow(row);
    };
    this.getState = function(row) {
        if (this.currentLine == row)
            this.$tokenizeRow(row);
        return this.states[row] || "start";
    };

    this.$tokenizeRow = function(row) {
        var line = this.doc.getLine(row);
        var state = this.states[row - 1];

        var data = this.tokenizer.getLineTokens(line, state, row);

        if (this.states[row] + "" !== data.state + "") {
            this.states[row] = data.state;
            this.lines[row + 1] = null;
            if (this.currentLine > row + 1)
                this.currentLine = row + 1;
        } else if (this.currentLine == row) {
            this.currentLine = row + 1;
        }

        return this.lines[row] = data.tokens;
    };

    this.cleanup = function() {
        this.running = false;
        this.lines = [];
        this.states = [];
        this.currentLine = 0;
        this.removeAllListeners();
    };

}).call(BackgroundTokenizer.prototype);

exports.BackgroundTokenizer = BackgroundTokenizer;
});

ace.define("ace/search_highlight",["require","exports","module","ace/lib/lang","ace/lib/oop","ace/range"], function(require, exports, module) {
"use strict";

var lang = require("./lib/lang");
var oop = require("./lib/oop");
var Range = require("./range").Range;

var SearchHighlight = function(regExp, clazz, type) {
    this.setRegexp(regExp);
    this.clazz = clazz;
    this.type = type || "text";
};

(function() {
    this.MAX_RANGES = 500;
    
    this.setRegexp = function(regExp) {
        if (this.regExp+"" == regExp+"")
            return;
        this.regExp = regExp;
        this.cache = [];
    };

    this.update = function(html, markerLayer, session, config) {
        if (!this.regExp)
            return;
        var start = config.firstRow, end = config.lastRow;
        var renderedMarkerRanges = {};

        for (var i = start; i <= end; i++) {
            var ranges = this.cache[i];
            if (ranges == null) {
                ranges = lang.getMatchOffsets(session.getLine(i), this.regExp);
                if (ranges.length > this.MAX_RANGES)
                    ranges = ranges.slice(0, this.MAX_RANGES);
                ranges = ranges.map(function(match) {
                    return new Range(i, match.offset, i, match.offset + match.length);
                });
                this.cache[i] = ranges.length ? ranges : "";
            }

            for (var j = ranges.length; j --; ) {
                var rangeToAddMarkerTo = ranges[j].toScreenRange(session);
                var rangeAsString = rangeToAddMarkerTo.toString();
                if (renderedMarkerRanges[rangeAsString]) continue;

                renderedMarkerRanges[rangeAsString] = true;
                markerLayer.drawSingleLineMarker(
                    html, rangeToAddMarkerTo, this.clazz, config);
            }
        }
    };

}).call(SearchHighlight.prototype);

exports.SearchHighlight = SearchHighlight;
});

ace.define("ace/edit_session/fold_line",["require","exports","module","ace/range"], function(require, exports, module) {
"use strict";

var Range = require("../range").Range;
function FoldLine(foldData, folds) {
    this.foldData = foldData;
    if (Array.isArray(folds)) {
        this.folds = folds;
    } else {
        folds = this.folds = [ folds ];
    }

    var last = folds[folds.length - 1];
    this.range = new Range(folds[0].start.row, folds[0].start.column,
                           last.end.row, last.end.column);
    this.start = this.range.start;
    this.end   = this.range.end;

    this.folds.forEach(function(fold) {
        fold.setFoldLine(this);
    }, this);
}

(function() {
    this.shiftRow = function(shift) {
        this.start.row += shift;
        this.end.row += shift;
        this.folds.forEach(function(fold) {
            fold.start.row += shift;
            fold.end.row += shift;
        });
    };

    this.addFold = function(fold) {
        if (fold.sameRow) {
            if (fold.start.row < this.startRow || fold.endRow > this.endRow) {
                throw new Error("Can't add a fold to this FoldLine as it has no connection");
            }
            this.folds.push(fold);
            this.folds.sort(function(a, b) {
                return -a.range.compareEnd(b.start.row, b.start.column);
            });
            if (this.range.compareEnd(fold.start.row, fold.start.column) > 0) {
                this.end.row = fold.end.row;
                this.end.column =  fold.end.column;
            } else if (this.range.compareStart(fold.end.row, fold.end.column) < 0) {
                this.start.row = fold.start.row;
                this.start.column = fold.start.column;
            }
        } else if (fold.start.row == this.end.row) {
            this.folds.push(fold);
            this.end.row = fold.end.row;
            this.end.column = fold.end.column;
        } else if (fold.end.row == this.start.row) {
            this.folds.unshift(fold);
            this.start.row = fold.start.row;
            this.start.column = fold.start.column;
        } else {
            throw new Error("Trying to add fold to FoldRow that doesn't have a matching row");
        }
        fold.foldLine = this;
    };

    this.containsRow = function(row) {
        return row >= this.start.row && row <= this.end.row;
    };

    this.walk = function(callback, endRow, endColumn) {
        var lastEnd = 0,
            folds = this.folds,
            fold,
            cmp, stop, isNewRow = true;

        if (endRow == null) {
            endRow = this.end.row;
            endColumn = this.end.column;
        }

        for (var i = 0; i < folds.length; i++) {
            fold = folds[i];

            cmp = fold.range.compareStart(endRow, endColumn);
            if (cmp == -1) {
                callback(null, endRow, endColumn, lastEnd, isNewRow);
                return;
            }

            stop = callback(null, fold.start.row, fold.start.column, lastEnd, isNewRow);
            stop = !stop && callback(fold.placeholder, fold.start.row, fold.start.column, lastEnd);
            if (stop || cmp === 0) {
                return;
            }
            isNewRow = !fold.sameRow;
            lastEnd = fold.end.column;
        }
        callback(null, endRow, endColumn, lastEnd, isNewRow);
    };

    this.getNextFoldTo = function(row, column) {
        var fold, cmp;
        for (var i = 0; i < this.folds.length; i++) {
            fold = this.folds[i];
            cmp = fold.range.compareEnd(row, column);
            if (cmp == -1) {
                return {
                    fold: fold,
                    kind: "after"
                };
            } else if (cmp === 0) {
                return {
                    fold: fold,
                    kind: "inside"
                };
            }
        }
        return null;
    };

    this.addRemoveChars = function(row, column, len) {
        var ret = this.getNextFoldTo(row, column),
            fold, folds;
        if (ret) {
            fold = ret.fold;
            if (ret.kind == "inside"
                && fold.start.column != column
                && fold.start.row != row)
            {
                window.console && window.console.log(row, column, fold);
            } else if (fold.start.row == row) {
                folds = this.folds;
                var i = folds.indexOf(fold);
                if (i === 0) {
                    this.start.column += len;
                }
                for (i; i < folds.length; i++) {
                    fold = folds[i];
                    fold.start.column += len;
                    if (!fold.sameRow) {
                        return;
                    }
                    fold.end.column += len;
                }
                this.end.column += len;
            }
        }
    };

    this.split = function(row, column) {
        var pos = this.getNextFoldTo(row, column);
        
        if (!pos || pos.kind == "inside")
            return null;
            
        var fold = pos.fold;
        var folds = this.folds;
        var foldData = this.foldData;
        
        var i = folds.indexOf(fold);
        var foldBefore = folds[i - 1];
        this.end.row = foldBefore.end.row;
        this.end.column = foldBefore.end.column;
        folds = folds.splice(i, folds.length - i);

        var newFoldLine = new FoldLine(foldData, folds);
        foldData.splice(foldData.indexOf(this) + 1, 0, newFoldLine);
        return newFoldLine;
    };

    this.merge = function(foldLineNext) {
        var folds = foldLineNext.folds;
        for (var i = 0; i < folds.length; i++) {
            this.addFold(folds[i]);
        }
        var foldData = this.foldData;
        foldData.splice(foldData.indexOf(foldLineNext), 1);
    };

    this.toString = function() {
        var ret = [this.range.toString() + ": [" ];

        this.folds.forEach(function(fold) {
            ret.push("  " + fold.toString());
        });
        ret.push("]");
        return ret.join("\n");
    };

    this.idxToPosition = function(idx) {
        var lastFoldEndColumn = 0;

        for (var i = 0; i < this.folds.length; i++) {
            var fold = this.folds[i];

            idx -= fold.start.column - lastFoldEndColumn;
            if (idx < 0) {
                return {
                    row: fold.start.row,
                    column: fold.start.column + idx
                };
            }

            idx -= fold.placeholder.length;
            if (idx < 0) {
                return fold.start;
            }

            lastFoldEndColumn = fold.end.column;
        }

        return {
            row: this.end.row,
            column: this.end.column + idx
        };
    };
}).call(FoldLine.prototype);

exports.FoldLine = FoldLine;
});

ace.define("ace/range_list",["require","exports","module","ace/range"], function(require, exports, module) {
"use strict";
var Range = require("./range").Range;
var comparePoints = Range.comparePoints;

var RangeList = function() {
    this.ranges = [];
    this.$bias = 1;
};

(function() {
    this.comparePoints = comparePoints;

    this.pointIndex = function(pos, excludeEdges, startIndex) {
        var list = this.ranges;

        for (var i = startIndex || 0; i < list.length; i++) {
            var range = list[i];
            var cmpEnd = comparePoints(pos, range.end);
            if (cmpEnd > 0)
                continue;
            var cmpStart = comparePoints(pos, range.start);
            if (cmpEnd === 0)
                return excludeEdges && cmpStart !== 0 ? -i-2 : i;
            if (cmpStart > 0 || (cmpStart === 0 && !excludeEdges))
                return i;

            return -i-1;
        }
        return -i - 1;
    };

    this.add = function(range) {
        var excludeEdges = !range.isEmpty();
        var startIndex = this.pointIndex(range.start, excludeEdges);
        if (startIndex < 0)
            startIndex = -startIndex - 1;

        var endIndex = this.pointIndex(range.end, excludeEdges, startIndex);

        if (endIndex < 0)
            endIndex = -endIndex - 1;
        else
            endIndex++;
        return this.ranges.splice(startIndex, endIndex - startIndex, range);
    };

    this.addList = function(list) {
        var removed = [];
        for (var i = list.length; i--; ) {
            removed.push.apply(removed, this.add(list[i]));
        }
        return removed;
    };

    this.substractPoint = function(pos) {
        var i = this.pointIndex(pos);

        if (i >= 0)
            return this.ranges.splice(i, 1);
    };
    this.merge = function() {
        var removed = [];
        var list = this.ranges;
        
        list = list.sort(function(a, b) {
            return comparePoints(a.start, b.start);
        });
        
        var next = list[0], range;
        for (var i = 1; i < list.length; i++) {
            range = next;
            next = list[i];
            var cmp = comparePoints(range.end, next.start);
            if (cmp < 0)
                continue;

            if (cmp == 0 && !range.isEmpty() && !next.isEmpty())
                continue;

            if (comparePoints(range.end, next.end) < 0) {
                range.end.row = next.end.row;
                range.end.column = next.end.column;
            }

            list.splice(i, 1);
            removed.push(next);
            next = range;
            i--;
        }
        
        this.ranges = list;

        return removed;
    };

    this.contains = function(row, column) {
        return this.pointIndex({row: row, column: column}) >= 0;
    };

    this.containsPoint = function(pos) {
        return this.pointIndex(pos) >= 0;
    };

    this.rangeAtPoint = function(pos) {
        var i = this.pointIndex(pos);
        if (i >= 0)
            return this.ranges[i];
    };


    this.clipRows = function(startRow, endRow) {
        var list = this.ranges;
        if (list[0].start.row > endRow || list[list.length - 1].start.row < startRow)
            return [];

        var startIndex = this.pointIndex({row: startRow, column: 0});
        if (startIndex < 0)
            startIndex = -startIndex - 1;
        var endIndex = this.pointIndex({row: endRow, column: 0}, startIndex);
        if (endIndex < 0)
            endIndex = -endIndex - 1;

        var clipped = [];
        for (var i = startIndex; i < endIndex; i++) {
            clipped.push(list[i]);
        }
        return clipped;
    };

    this.removeAll = function() {
        return this.ranges.splice(0, this.ranges.length);
    };

    this.attach = function(session) {
        if (this.session)
            this.detach();

        this.session = session;
        this.onChange = this.$onChange.bind(this);

        this.session.on('change', this.onChange);
    };

    this.detach = function() {
        if (!this.session)
            return;
        this.session.removeListener('change', this.onChange);
        this.session = null;
    };

    this.$onChange = function(delta) {
        var start = delta.start;
        var end = delta.end;
        var startRow = start.row;
        var endRow = end.row;
        var ranges = this.ranges;
        for (var i = 0, n = ranges.length; i < n; i++) {
            var r = ranges[i];
            if (r.end.row >= startRow)
                break;
        }
        
        if (delta.action == "insert") {
            var lineDif = endRow - startRow;
            var colDiff = -start.column + end.column;
            for (; i < n; i++) {
                var r = ranges[i];
                if (r.start.row > startRow)
                    break;
    
                if (r.start.row == startRow && r.start.column >= start.column) {
                    if (r.start.column == start.column && this.$bias <= 0) {
                    } else {
                        r.start.column += colDiff;
                        r.start.row += lineDif;
                    }
                }
                if (r.end.row == startRow && r.end.column >= start.column) {
                    if (r.end.column == start.column && this.$bias < 0) {
                        continue;
                    }
                    if (r.end.column == start.column && colDiff > 0 && i < n - 1) {
                        if (r.end.column > r.start.column && r.end.column == ranges[i+1].start.column)
                            r.end.column -= colDiff;
                    }
                    r.end.column += colDiff;
                    r.end.row += lineDif;
                }
            }
        } else {
            var lineDif = startRow - endRow;
            var colDiff = start.column - end.column;
            for (; i < n; i++) {
                var r = ranges[i];
                
                if (r.start.row > endRow)
                    break;
                    
                if (r.end.row < endRow
                    && (
                        startRow < r.end.row 
                        || startRow == r.end.row && start.column < r.end.column
                    )
                ) {
                    r.end.row = startRow;
                    r.end.column = start.column;
                }
                else if (r.end.row == endRow) {
                    if (r.end.column <= end.column) {
                        if (lineDif || r.end.column > start.column) {
                            r.end.column = start.column;
                            r.end.row = start.row;
                        }
                    }
                    else {
                        r.end.column += colDiff;
                        r.end.row += lineDif;
                    }
                }
                else if (r.end.row > endRow) {
                    r.end.row += lineDif;
                }
                
                if (r.start.row < endRow
                    && (
                        startRow < r.start.row 
                        || startRow == r.start.row && start.column < r.start.column
                    )
                ) {
                    r.start.row = startRow;
                    r.start.column = start.column;
                }
                else if (r.start.row == endRow) {
                    if (r.start.column <= end.column) {
                        if (lineDif || r.start.column > start.column) {
                            r.start.column = start.column;
                            r.start.row = start.row;
                        }
                    }
                    else {
                        r.start.column += colDiff;
                        r.start.row += lineDif;
                    }
                }
                else if (r.start.row > endRow) {
                    r.start.row += lineDif;
                }
            }
        }

        if (lineDif != 0 && i < n) {
            for (; i < n; i++) {
                var r = ranges[i];
                r.start.row += lineDif;
                r.end.row += lineDif;
            }
        }
    };

}).call(RangeList.prototype);

exports.RangeList = RangeList;
});

ace.define("ace/edit_session/fold",["require","exports","module","ace/range_list","ace/lib/oop"], function(require, exports, module) {
"use strict";

var RangeList = require("../range_list").RangeList;
var oop = require("../lib/oop");
var Fold = exports.Fold = function(range, placeholder) {
    this.foldLine = null;
    this.placeholder = placeholder;
    this.range = range;
    this.start = range.start;
    this.end = range.end;

    this.sameRow = range.start.row == range.end.row;
    this.subFolds = this.ranges = [];
};

oop.inherits(Fold, RangeList);

(function() {

    this.toString = function() {
        return '"' + this.placeholder + '" ' + this.range.toString();
    };

    this.setFoldLine = function(foldLine) {
        this.foldLine = foldLine;
        this.subFolds.forEach(function(fold) {
            fold.setFoldLine(foldLine);
        });
    };

    this.clone = function() {
        var range = this.range.clone();
        var fold = new Fold(range, this.placeholder);
        this.subFolds.forEach(function(subFold) {
            fold.subFolds.push(subFold.clone());
        });
        fold.collapseChildren = this.collapseChildren;
        return fold;
    };

    this.addSubFold = function(fold) {
        if (this.range.isEqual(fold))
            return;
        consumeRange(fold, this.start);

        var row = fold.start.row, column = fold.start.column;
        for (var i = 0, cmp = -1; i < this.subFolds.length; i++) {
            cmp = this.subFolds[i].range.compare(row, column);
            if (cmp != 1)
                break;
        }
        var afterStart = this.subFolds[i];
        var firstConsumed = 0;

        if (cmp == 0) {
            if (afterStart.range.containsRange(fold))
                return afterStart.addSubFold(fold);
            else
                firstConsumed = 1;
        }
        var row = fold.range.end.row, column = fold.range.end.column;
        for (var j = i, cmp = -1; j < this.subFolds.length; j++) {
            cmp = this.subFolds[j].range.compare(row, column);
            if (cmp != 1)
                break;
        }
        if (cmp == 0)  j++;
        var consumedFolds = this.subFolds.splice(i, j - i, fold);
        var last = cmp == 0 ? consumedFolds.length - 1 : consumedFolds.length;
        for (var k = firstConsumed; k < last; k++) {
            fold.addSubFold(consumedFolds[k]);
        }
        fold.setFoldLine(this.foldLine);

        return fold;
    };
    
    this.restoreRange = function(range) {
        return restoreRange(range, this.start);
    };

}).call(Fold.prototype);

function consumePoint(point, anchor) {
    point.row -= anchor.row;
    if (point.row == 0)
        point.column -= anchor.column;
}
function consumeRange(range, anchor) {
    consumePoint(range.start, anchor);
    consumePoint(range.end, anchor);
}
function restorePoint(point, anchor) {
    if (point.row == 0)
        point.column += anchor.column;
    point.row += anchor.row;
}
function restoreRange(range, anchor) {
    restorePoint(range.start, anchor);
    restorePoint(range.end, anchor);
}

});

ace.define("ace/edit_session/folding",["require","exports","module","ace/range","ace/edit_session/fold_line","ace/edit_session/fold","ace/token_iterator"], function(require, exports, module) {
"use strict";

var Range = require("../range").Range;
var FoldLine = require("./fold_line").FoldLine;
var Fold = require("./fold").Fold;
var TokenIterator = require("../token_iterator").TokenIterator;

function Folding() {
    this.getFoldAt = function(row, column, side) {
        var foldLine = this.getFoldLine(row);
        if (!foldLine)
            return null;

        var folds = foldLine.folds;
        for (var i = 0; i < folds.length; i++) {
            var range = folds[i].range;
            if (range.contains(row, column)) {
                if (side == 1 && range.isEnd(row, column) && !range.isEmpty()) {
                    continue;
                } else if (side == -1 && range.isStart(row, column) && !range.isEmpty()) {
                    continue;
                }
                return folds[i];
            }
        }
    };
    this.getFoldsInRange = function(range) {
        var start = range.start;
        var end = range.end;
        var foldLines = this.$foldData;
        var foundFolds = [];

        start.column += 1;
        end.column -= 1;

        for (var i = 0; i < foldLines.length; i++) {
            var cmp = foldLines[i].range.compareRange(range);
            if (cmp == 2) {
                continue;
            }
            else if (cmp == -2) {
                break;
            }

            var folds = foldLines[i].folds;
            for (var j = 0; j < folds.length; j++) {
                var fold = folds[j];
                cmp = fold.range.compareRange(range);
                if (cmp == -2) {
                    break;
                } else if (cmp == 2) {
                    continue;
                } else
                if (cmp == 42) {
                    break;
                }
                foundFolds.push(fold);
            }
        }
        start.column -= 1;
        end.column += 1;

        return foundFolds;
    };

    this.getFoldsInRangeList = function(ranges) {
        if (Array.isArray(ranges)) {
            var folds = [];
            ranges.forEach(function(range) {
                folds = folds.concat(this.getFoldsInRange(range));
            }, this);
        } else {
            var folds = this.getFoldsInRange(ranges);
        }
        return folds;
    };
    this.getAllFolds = function() {
        var folds = [];
        var foldLines = this.$foldData;
        
        for (var i = 0; i < foldLines.length; i++)
            for (var j = 0; j < foldLines[i].folds.length; j++)
                folds.push(foldLines[i].folds[j]);

        return folds;
    };
    this.getFoldStringAt = function(row, column, trim, foldLine) {
        foldLine = foldLine || this.getFoldLine(row);
        if (!foldLine)
            return null;

        var lastFold = {
            end: { column: 0 }
        };
        var str, fold;
        for (var i = 0; i < foldLine.folds.length; i++) {
            fold = foldLine.folds[i];
            var cmp = fold.range.compareEnd(row, column);
            if (cmp == -1) {
                str = this
                    .getLine(fold.start.row)
                    .substring(lastFold.end.column, fold.start.column);
                break;
            }
            else if (cmp === 0) {
                return null;
            }
            lastFold = fold;
        }
        if (!str)
            str = this.getLine(fold.start.row).substring(lastFold.end.column);

        if (trim == -1)
            return str.substring(0, column - lastFold.end.column);
        else if (trim == 1)
            return str.substring(column - lastFold.end.column);
        else
            return str;
    };

    this.getFoldLine = function(docRow, startFoldLine) {
        var foldData = this.$foldData;
        var i = 0;
        if (startFoldLine)
            i = foldData.indexOf(startFoldLine);
        if (i == -1)
            i = 0;
        for (i; i < foldData.length; i++) {
            var foldLine = foldData[i];
            if (foldLine.start.row <= docRow && foldLine.end.row >= docRow) {
                return foldLine;
            } else if (foldLine.end.row > docRow) {
                return null;
            }
        }
        return null;
    };
    this.getNextFoldLine = function(docRow, startFoldLine) {
        var foldData = this.$foldData;
        var i = 0;
        if (startFoldLine)
            i = foldData.indexOf(startFoldLine);
        if (i == -1)
            i = 0;
        for (i; i < foldData.length; i++) {
            var foldLine = foldData[i];
            if (foldLine.end.row >= docRow) {
                return foldLine;
            }
        }
        return null;
    };

    this.getFoldedRowCount = function(first, last) {
        var foldData = this.$foldData, rowCount = last-first+1;
        for (var i = 0; i < foldData.length; i++) {
            var foldLine = foldData[i],
                end = foldLine.end.row,
                start = foldLine.start.row;
            if (end >= last) {
                if (start < last) {
                    if (start >= first)
                        rowCount -= last-start;
                    else
                        rowCount = 0; // in one fold
                }
                break;
            } else if (end >= first){
                if (start >= first) // fold inside range
                    rowCount -=  end-start;
                else
                    rowCount -=  end-first+1;
            }
        }
        return rowCount;
    };

    this.$addFoldLine = function(foldLine) {
        this.$foldData.push(foldLine);
        this.$foldData.sort(function(a, b) {
            return a.start.row - b.start.row;
        });
        return foldLine;
    };
    this.addFold = function(placeholder, range) {
        var foldData = this.$foldData;
        var added = false;
        var fold;
        
        if (placeholder instanceof Fold)
            fold = placeholder;
        else {
            fold = new Fold(range, placeholder);
            fold.collapseChildren = range.collapseChildren;
        }
        this.$clipRangeToDocument(fold.range);

        var startRow = fold.start.row;
        var startColumn = fold.start.column;
        var endRow = fold.end.row;
        var endColumn = fold.end.column;

        var startFold = this.getFoldAt(startRow, startColumn, 1);
        var endFold = this.getFoldAt(endRow, endColumn, -1);
        if (startFold && endFold == startFold)
            return startFold.addSubFold(fold);

        if (startFold && !startFold.range.isStart(startRow, startColumn))
            this.removeFold(startFold);
        
        if (endFold && !endFold.range.isEnd(endRow, endColumn))
            this.removeFold(endFold);
        var folds = this.getFoldsInRange(fold.range);
        if (folds.length > 0) {
            this.removeFolds(folds);
            if (!fold.collapseChildren) {
                folds.forEach(function(subFold) {
                    fold.addSubFold(subFold);
                });
            }
        }

        for (var i = 0; i < foldData.length; i++) {
            var foldLine = foldData[i];
            if (endRow == foldLine.start.row) {
                foldLine.addFold(fold);
                added = true;
                break;
            } else if (startRow == foldLine.end.row) {
                foldLine.addFold(fold);
                added = true;
                if (!fold.sameRow) {
                    var foldLineNext = foldData[i + 1];
                    if (foldLineNext && foldLineNext.start.row == endRow) {
                        foldLine.merge(foldLineNext);
                        break;
                    }
                }
                break;
            } else if (endRow <= foldLine.start.row) {
                break;
            }
        }

        if (!added)
            foldLine = this.$addFoldLine(new FoldLine(this.$foldData, fold));

        if (this.$useWrapMode)
            this.$updateWrapData(foldLine.start.row, foldLine.start.row);
        else
            this.$updateRowLengthCache(foldLine.start.row, foldLine.start.row);
        this.$modified = true;
        this._signal("changeFold", { data: fold, action: "add" });

        return fold;
    };

    this.addFolds = function(folds) {
        folds.forEach(function(fold) {
            this.addFold(fold);
        }, this);
    };

    this.removeFold = function(fold) {
        var foldLine = fold.foldLine;
        var startRow = foldLine.start.row;
        var endRow = foldLine.end.row;

        var foldLines = this.$foldData;
        var folds = foldLine.folds;
        if (folds.length == 1) {
            foldLines.splice(foldLines.indexOf(foldLine), 1);
        } else
        if (foldLine.range.isEnd(fold.end.row, fold.end.column)) {
            folds.pop();
            foldLine.end.row = folds[folds.length - 1].end.row;
            foldLine.end.column = folds[folds.length - 1].end.column;
        } else
        if (foldLine.range.isStart(fold.start.row, fold.start.column)) {
            folds.shift();
            foldLine.start.row = folds[0].start.row;
            foldLine.start.column = folds[0].start.column;
        } else
        if (fold.sameRow) {
            folds.splice(folds.indexOf(fold), 1);
        } else
        {
            var newFoldLine = foldLine.split(fold.start.row, fold.start.column);
            folds = newFoldLine.folds;
            folds.shift();
            newFoldLine.start.row = folds[0].start.row;
            newFoldLine.start.column = folds[0].start.column;
        }

        if (!this.$updating) {
            if (this.$useWrapMode)
                this.$updateWrapData(startRow, endRow);
            else
                this.$updateRowLengthCache(startRow, endRow);
        }
        this.$modified = true;
        this._signal("changeFold", { data: fold, action: "remove" });
    };

    this.removeFolds = function(folds) {
        var cloneFolds = [];
        for (var i = 0; i < folds.length; i++) {
            cloneFolds.push(folds[i]);
        }

        cloneFolds.forEach(function(fold) {
            this.removeFold(fold);
        }, this);
        this.$modified = true;
    };

    this.expandFold = function(fold) {
        this.removeFold(fold);
        fold.subFolds.forEach(function(subFold) {
            fold.restoreRange(subFold);
            this.addFold(subFold);
        }, this);
        if (fold.collapseChildren > 0) {
            this.foldAll(fold.start.row+1, fold.end.row, fold.collapseChildren-1);
        }
        fold.subFolds = [];
    };

    this.expandFolds = function(folds) {
        folds.forEach(function(fold) {
            this.expandFold(fold);
        }, this);
    };

    this.unfold = function(location, expandInner) {
        var range, folds;
        if (location == null) {
            range = new Range(0, 0, this.getLength(), 0);
            if (expandInner == null) expandInner = true;
        } else if (typeof location == "number") {
            range = new Range(location, 0, location, this.getLine(location).length);
        } else if ("row" in location) {
            range = Range.fromPoints(location, location);
        } else if (Array.isArray(location)) {
            folds = [];
            location.forEach(function(range) {
                folds = folds.concat(this.unfold(range));
            }, this);
            return folds;
        } else {
            range = location;
        }
        
        folds = this.getFoldsInRangeList(range);
        var outermostFolds = folds;
        while (
            folds.length == 1
            && Range.comparePoints(folds[0].start, range.start) < 0 
            && Range.comparePoints(folds[0].end, range.end) > 0
        ) {
            this.expandFolds(folds);
            folds = this.getFoldsInRangeList(range);
        }
        
        if (expandInner != false) {
            this.removeFolds(folds);
        } else {
            this.expandFolds(folds);
        }
        if (outermostFolds.length)
            return outermostFolds;
    };
    this.isRowFolded = function(docRow, startFoldRow) {
        return !!this.getFoldLine(docRow, startFoldRow);
    };

    this.getRowFoldEnd = function(docRow, startFoldRow) {
        var foldLine = this.getFoldLine(docRow, startFoldRow);
        return foldLine ? foldLine.end.row : docRow;
    };

    this.getRowFoldStart = function(docRow, startFoldRow) {
        var foldLine = this.getFoldLine(docRow, startFoldRow);
        return foldLine ? foldLine.start.row : docRow;
    };

    this.getFoldDisplayLine = function(foldLine, endRow, endColumn, startRow, startColumn) {
        if (startRow == null)
            startRow = foldLine.start.row;
        if (startColumn == null)
            startColumn = 0;
        if (endRow == null)
            endRow = foldLine.end.row;
        if (endColumn == null)
            endColumn = this.getLine(endRow).length;
        var doc = this.doc;
        var textLine = "";

        foldLine.walk(function(placeholder, row, column, lastColumn) {
            if (row < startRow)
                return;
            if (row == startRow) {
                if (column < startColumn)
                    return;
                lastColumn = Math.max(startColumn, lastColumn);
            }

            if (placeholder != null) {
                textLine += placeholder;
            } else {
                textLine += doc.getLine(row).substring(lastColumn, column);
            }
        }, endRow, endColumn);
        return textLine;
    };

    this.getDisplayLine = function(row, endColumn, startRow, startColumn) {
        var foldLine = this.getFoldLine(row);

        if (!foldLine) {
            var line;
            line = this.doc.getLine(row);
            return line.substring(startColumn || 0, endColumn || line.length);
        } else {
            return this.getFoldDisplayLine(
                foldLine, row, endColumn, startRow, startColumn);
        }
    };

    this.$cloneFoldData = function() {
        var fd = [];
        fd = this.$foldData.map(function(foldLine) {
            var folds = foldLine.folds.map(function(fold) {
                return fold.clone();
            });
            return new FoldLine(fd, folds);
        });

        return fd;
    };

    this.toggleFold = function(tryToUnfold) {
        var selection = this.selection;
        var range = selection.getRange();
        var fold;
        var bracketPos;

        if (range.isEmpty()) {
            var cursor = range.start;
            fold = this.getFoldAt(cursor.row, cursor.column);

            if (fold) {
                this.expandFold(fold);
                return;
            } else if (bracketPos = this.findMatchingBracket(cursor)) {
                if (range.comparePoint(bracketPos) == 1) {
                    range.end = bracketPos;
                } else {
                    range.start = bracketPos;
                    range.start.column++;
                    range.end.column--;
                }
            } else if (bracketPos = this.findMatchingBracket({row: cursor.row, column: cursor.column + 1})) {
                if (range.comparePoint(bracketPos) == 1)
                    range.end = bracketPos;
                else
                    range.start = bracketPos;

                range.start.column++;
            } else {
                range = this.getCommentFoldRange(cursor.row, cursor.column) || range;
            }
        } else {
            var folds = this.getFoldsInRange(range);
            if (tryToUnfold && folds.length) {
                this.expandFolds(folds);
                return;
            } else if (folds.length == 1 ) {
                fold = folds[0];
            }
        }

        if (!fold)
            fold = this.getFoldAt(range.start.row, range.start.column);

        if (fold && fold.range.toString() == range.toString()) {
            this.expandFold(fold);
            return;
        }

        var placeholder = "...";
        if (!range.isMultiLine()) {
            placeholder = this.getTextRange(range);
            if (placeholder.length < 4)
                return;
            placeholder = placeholder.trim().substring(0, 2) + "..";
        }

        this.addFold(placeholder, range);
    };

    this.getCommentFoldRange = function(row, column, dir) {
        var iterator = new TokenIterator(this, row, column);
        var token = iterator.getCurrentToken();
        var type = token && token.type;
        if (token && /^comment|string/.test(type)) {
            type = type.match(/comment|string/)[0];
            if (type == "comment")
                type += "|doc-start";
            var re = new RegExp(type);
            var range = new Range();
            if (dir != 1) {
                do {
                    token = iterator.stepBackward();
                } while (token && re.test(token.type));
                iterator.stepForward();
            }
            
            range.start.row = iterator.getCurrentTokenRow();
            range.start.column = iterator.getCurrentTokenColumn() + 2;

            iterator = new TokenIterator(this, row, column);
            
            if (dir != -1) {
                var lastRow = -1;
                do {
                    token = iterator.stepForward();
                    if (lastRow == -1) {
                        var state = this.getState(iterator.$row);
                        if (!re.test(state))
                            lastRow = iterator.$row;
                    } else if (iterator.$row > lastRow) {
                        break;
                    }
                } while (token && re.test(token.type));
                token = iterator.stepBackward();
            } else
                token = iterator.getCurrentToken();

            range.end.row = iterator.getCurrentTokenRow();
            range.end.column = iterator.getCurrentTokenColumn() + token.value.length - 2;
            return range;
        }
    };

    this.foldAll = function(startRow, endRow, depth, test) {
        if (depth == undefined)
            depth = 100000; // JSON.stringify doesn't hanle Infinity
        var foldWidgets = this.foldWidgets;
        if (!foldWidgets)
            return; // mode doesn't support folding
        endRow = endRow || this.getLength();
        startRow = startRow || 0;
        for (var row = startRow; row < endRow; row++) {
            if (foldWidgets[row] == null)
                foldWidgets[row] = this.getFoldWidget(row);
            if (foldWidgets[row] != "start")
                continue;
            
            if (test && !test(row)) continue;

            var range = this.getFoldWidgetRange(row);
            if (range && range.isMultiLine()
                && range.end.row <= endRow
                && range.start.row >= startRow
            ) {
                row = range.end.row;
                range.collapseChildren = depth;
                this.addFold("...", range);
            }
        }
    };
    
    this.foldToLevel = function(level) {
        this.foldAll();
        while (level-- > 0)
            this.unfold(null, false);
    };
    
    this.foldAllComments = function() {
        var session = this;
        this.foldAll(null, null, null, function(row) {
            var tokens = session.getTokens(row);
            for (var i = 0; i < tokens.length; i++) {
                var token = tokens[i];
                if (token.type == "text" && /^\s+$/.test(token.value))
                    continue;
                if (/comment/.test(token.type))
                    return true;
                return false;
            }
        });
    };
    this.$foldStyles = {
        "manual": 1,
        "markbegin": 1,
        "markbeginend": 1
    };
    this.$foldStyle = "markbegin";
    this.setFoldStyle = function(style) {
        if (!this.$foldStyles[style])
            throw new Error("invalid fold style: " + style + "[" + Object.keys(this.$foldStyles).join(", ") + "]");
        
        if (this.$foldStyle == style)
            return;

        this.$foldStyle = style;
        
        if (style == "manual")
            this.unfold();
        var mode = this.$foldMode;
        this.$setFolding(null);
        this.$setFolding(mode);
    };

    this.$setFolding = function(foldMode) {
        if (this.$foldMode == foldMode)
            return;
            
        this.$foldMode = foldMode;
        
        this.off('change', this.$updateFoldWidgets);
        this.off('tokenizerUpdate', this.$tokenizerUpdateFoldWidgets);
        this._signal("changeAnnotation");
        
        if (!foldMode || this.$foldStyle == "manual") {
            this.foldWidgets = null;
            return;
        }
        
        this.foldWidgets = [];
        this.getFoldWidget = foldMode.getFoldWidget.bind(foldMode, this, this.$foldStyle);
        this.getFoldWidgetRange = foldMode.getFoldWidgetRange.bind(foldMode, this, this.$foldStyle);
        
        this.$updateFoldWidgets = this.updateFoldWidgets.bind(this);
        this.$tokenizerUpdateFoldWidgets = this.tokenizerUpdateFoldWidgets.bind(this);
        this.on('change', this.$updateFoldWidgets);
        this.on('tokenizerUpdate', this.$tokenizerUpdateFoldWidgets);
    };

    this.getParentFoldRangeData = function (row, ignoreCurrent) {
        var fw = this.foldWidgets;
        if (!fw || (ignoreCurrent && fw[row]))
            return {};

        var i = row - 1, firstRange;
        while (i >= 0) {
            var c = fw[i];
            if (c == null)
                c = fw[i] = this.getFoldWidget(i);

            if (c == "start") {
                var range = this.getFoldWidgetRange(i);
                if (!firstRange)
                    firstRange = range;
                if (range && range.end.row >= row)
                    break;
            }
            i--;
        }

        return {
            range: i !== -1 && range,
            firstRange: firstRange
        };
    };

    this.onFoldWidgetClick = function(row, e) {
        e = e.domEvent;
        var options = {
            children: e.shiftKey,
            all: e.ctrlKey || e.metaKey,
            siblings: e.altKey
        };
        
        var range = this.$toggleFoldWidget(row, options);
        if (!range) {
            var el = (e.target || e.srcElement);
            if (el && /ace_fold-widget/.test(el.className))
                el.className += " ace_invalid";
        }
    };
    
    this.$toggleFoldWidget = function(row, options) {
        if (!this.getFoldWidget)
            return;
        var type = this.getFoldWidget(row);
        var line = this.getLine(row);

        var dir = type === "end" ? -1 : 1;
        var fold = this.getFoldAt(row, dir === -1 ? 0 : line.length, dir);

        if (fold) {
            if (options.children || options.all)
                this.removeFold(fold);
            else
                this.expandFold(fold);
            return fold;
        }

        var range = this.getFoldWidgetRange(row, true);
        if (range && !range.isMultiLine()) {
            fold = this.getFoldAt(range.start.row, range.start.column, 1);
            if (fold && range.isEqual(fold.range)) {
                this.removeFold(fold);
                return fold;
            }
        }
        
        if (options.siblings) {
            var data = this.getParentFoldRangeData(row);
            if (data.range) {
                var startRow = data.range.start.row + 1;
                var endRow = data.range.end.row;
            }
            this.foldAll(startRow, endRow, options.all ? 10000 : 0);
        } else if (options.children) {
            endRow = range ? range.end.row : this.getLength();
            this.foldAll(row + 1, endRow, options.all ? 10000 : 0);
        } else if (range) {
            if (options.all) 
                range.collapseChildren = 10000;
            this.addFold("...", range);
        }
        
        return range;
    };
    
    
    
    this.toggleFoldWidget = function(toggleParent) {
        var row = this.selection.getCursor().row;
        row = this.getRowFoldStart(row);
        var range = this.$toggleFoldWidget(row, {});
        
        if (range)
            return;
        var data = this.getParentFoldRangeData(row, true);
        range = data.range || data.firstRange;
        
        if (range) {
            row = range.start.row;
            var fold = this.getFoldAt(row, this.getLine(row).length, 1);

            if (fold) {
                this.removeFold(fold);
            } else {
                this.addFold("...", range);
            }
        }
    };

    this.updateFoldWidgets = function(delta) {
        var firstRow = delta.start.row;
        var len = delta.end.row - firstRow;

        if (len === 0) {
            this.foldWidgets[firstRow] = null;
        } else if (delta.action == 'remove') {
            this.foldWidgets.splice(firstRow, len + 1, null);
        } else {
            var args = Array(len + 1);
            args.unshift(firstRow, 1);
            this.foldWidgets.splice.apply(this.foldWidgets, args);
        }
    };
    this.tokenizerUpdateFoldWidgets = function(e) {
        var rows = e.data;
        if (rows.first != rows.last) {
            if (this.foldWidgets.length > rows.first)
                this.foldWidgets.splice(rows.first, this.foldWidgets.length);
        }
    };
}

exports.Folding = Folding;

});

ace.define("ace/edit_session/bracket_match",["require","exports","module","ace/token_iterator","ace/range"], function(require, exports, module) {
"use strict";

var TokenIterator = require("../token_iterator").TokenIterator;
var Range = require("../range").Range;


function BracketMatch() {

    this.findMatchingBracket = function(position, chr) {
        if (position.column == 0) return null;

        var charBeforeCursor = chr || this.getLine(position.row).charAt(position.column-1);
        if (charBeforeCursor == "") return null;

        var match = charBeforeCursor.match(/([\(\[\{])|([\)\]\}])/);
        if (!match)
            return null;

        if (match[1])
            return this.$findClosingBracket(match[1], position);
        else
            return this.$findOpeningBracket(match[2], position);
    };
    
    this.getBracketRange = function(pos) {
        var line = this.getLine(pos.row);
        var before = true, range;

        var chr = line.charAt(pos.column - 1);
        var match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
        if (!match) {
            chr = line.charAt(pos.column);
            pos = {row: pos.row, column: pos.column + 1};
            match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
            before = false;
        }
        if (!match)
            return null;

        if (match[1]) {
            var bracketPos = this.$findClosingBracket(match[1], pos);
            if (!bracketPos)
                return null;
            range = Range.fromPoints(pos, bracketPos);
            if (!before) {
                range.end.column++;
                range.start.column--;
            }
            range.cursor = range.end;
        } else {
            var bracketPos = this.$findOpeningBracket(match[2], pos);
            if (!bracketPos)
                return null;
            range = Range.fromPoints(bracketPos, pos);
            if (!before) {
                range.start.column++;
                range.end.column--;
            }
            range.cursor = range.start;
        }
        
        return range;
    };
    this.getMatchingBracketRanges = function(pos) {
        var line = this.getLine(pos.row);

        var chr = line.charAt(pos.column - 1);
        var match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
        if (!match) {
            chr = line.charAt(pos.column);
            pos = {row: pos.row, column: pos.column + 1};
            match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
        }

        if (!match)
            return null;

        var startRange = new Range(pos.row, pos.column - 1, pos.row, pos.column);
        var bracketPos = match[1] ? this.$findClosingBracket(match[1], pos)
            : this.$findOpeningBracket(match[2], pos);
        if (!bracketPos)
            return [startRange];
        var endRange = new Range(bracketPos.row, bracketPos.column, bracketPos.row, bracketPos.column + 1);

        return [startRange, endRange];
    };

    this.$brackets = {
        ")": "(",
        "(": ")",
        "]": "[",
        "[": "]",
        "{": "}",
        "}": "{",
        "<": ">",
        ">": "<"
    };

    this.$findOpeningBracket = function(bracket, position, typeRe) {
        var openBracket = this.$brackets[bracket];
        var depth = 1;

        var iterator = new TokenIterator(this, position.row, position.column);
        var token = iterator.getCurrentToken();
        if (!token)
            token = iterator.stepForward();
        if (!token)
            return;
        
         if (!typeRe){
            typeRe = new RegExp(
                "(\\.?" +
                token.type.replace(".", "\\.").replace("rparen", ".paren")
                    .replace(/\b(?:end)\b/, "(?:start|begin|end)")
                + ")+"
            );
        }
        var valueIndex = position.column - iterator.getCurrentTokenColumn() - 2;
        var value = token.value;
        
        while (true) {
        
            while (valueIndex >= 0) {
                var chr = value.charAt(valueIndex);
                if (chr == openBracket) {
                    depth -= 1;
                    if (depth == 0) {
                        return {row: iterator.getCurrentTokenRow(),
                            column: valueIndex + iterator.getCurrentTokenColumn()};
                    }
                }
                else if (chr == bracket) {
                    depth += 1;
                }
                valueIndex -= 1;
            }
            do {
                token = iterator.stepBackward();
            } while (token && !typeRe.test(token.type));

            if (token == null)
                break;
                
            value = token.value;
            valueIndex = value.length - 1;
        }
        
        return null;
    };

    this.$findClosingBracket = function(bracket, position, typeRe) {
        var closingBracket = this.$brackets[bracket];
        var depth = 1;

        var iterator = new TokenIterator(this, position.row, position.column);
        var token = iterator.getCurrentToken();
        if (!token)
            token = iterator.stepForward();
        if (!token)
            return;

        if (!typeRe){
            typeRe = new RegExp(
                "(\\.?" +
                token.type.replace(".", "\\.").replace("lparen", ".paren")
                    .replace(/\b(?:start|begin)\b/, "(?:start|begin|end)")
                + ")+"
            );
        }
        var valueIndex = position.column - iterator.getCurrentTokenColumn();

        while (true) {

            var value = token.value;
            var valueLength = value.length;
            while (valueIndex < valueLength) {
                var chr = value.charAt(valueIndex);
                if (chr == closingBracket) {
                    depth -= 1;
                    if (depth == 0) {
                        return {row: iterator.getCurrentTokenRow(),
                            column: valueIndex + iterator.getCurrentTokenColumn()};
                    }
                }
                else if (chr == bracket) {
                    depth += 1;
                }
                valueIndex += 1;
            }
            do {
                token = iterator.stepForward();
            } while (token && !typeRe.test(token.type));

            if (token == null)
                break;

            valueIndex = 0;
        }
        
        return null;
    };
}
exports.BracketMatch = BracketMatch;

});

ace.define("ace/edit_session",["require","exports","module","ace/lib/oop","ace/lib/lang","ace/bidihandler","ace/config","ace/lib/event_emitter","ace/selection","ace/mode/text","ace/range","ace/document","ace/background_tokenizer","ace/search_highlight","ace/edit_session/folding","ace/edit_session/bracket_match"], function(require, exports, module) {
"use strict";

var oop = require("./lib/oop");
var lang = require("./lib/lang");
var BidiHandler = require("./bidihandler").BidiHandler;
var config = require("./config");
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var Selection = require("./selection").Selection;
var TextMode = require("./mode/text").Mode;
var Range = require("./range").Range;
var Document = require("./document").Document;
var BackgroundTokenizer = require("./background_tokenizer").BackgroundTokenizer;
var SearchHighlight = require("./search_highlight").SearchHighlight;

var EditSession = function(text, mode) {
    this.$breakpoints = [];
    this.$decorations = [];
    this.$frontMarkers = {};
    this.$backMarkers = {};
    this.$markerId = 1;
    this.$undoSelect = true;

    this.$foldData = [];
    this.id = "session" + (++EditSession.$uid);
    this.$foldData.toString = function() {
        return this.join("\n");
    };
    this.bgTokenizer = new BackgroundTokenizer((new TextMode()).getTokenizer(), this);

    var _self = this;
    this.bgTokenizer.on("update", function(e) {
        _self._signal("tokenizerUpdate", e);
    });

    this.on("changeFold", this.onChangeFold.bind(this));
    this.$onChange = this.onChange.bind(this);

    if (typeof text != "object" || !text.getLine)
        text = new Document(text);

    this.setDocument(text);
    this.selection = new Selection(this);
    this.$bidiHandler = new BidiHandler(this);

    config.resetOptions(this);
    this.setMode(mode);
    config._signal("session", this);

    this.destroyed = false;
};


EditSession.$uid = 0;

(function() {

    oop.implement(this, EventEmitter);
    this.setDocument = function(doc) {
        if (this.doc)
            this.doc.off("change", this.$onChange);

        this.doc = doc;
        doc.on("change", this.$onChange, true);

        this.bgTokenizer.setDocument(this.getDocument());

        this.resetCaches();
    };
    this.getDocument = function() {
        return this.doc;
    };
    this.$resetRowCache = function(docRow) {
        if (!docRow) {
            this.$docRowCache = [];
            this.$screenRowCache = [];
            return;
        }
        var l = this.$docRowCache.length;
        var i = this.$getRowCacheIndex(this.$docRowCache, docRow) + 1;
        if (l > i) {
            this.$docRowCache.splice(i, l);
            this.$screenRowCache.splice(i, l);
        }
    };

    this.$getRowCacheIndex = function(cacheArray, val) {
        var low = 0;
        var hi = cacheArray.length - 1;

        while (low <= hi) {
            var mid = (low + hi) >> 1;
            var c = cacheArray[mid];

            if (val > c)
                low = mid + 1;
            else if (val < c)
                hi = mid - 1;
            else
                return mid;
        }

        return low -1;
    };

    this.resetCaches = function() {
        this.$modified = true;
        this.$wrapData = [];
        this.$rowLengthCache = [];
        this.$resetRowCache(0);
        if (!this.destroyed)
            this.bgTokenizer.start(0);
    };

    this.onChangeFold = function(e) {
        var fold = e.data;
        this.$resetRowCache(fold.start.row);
    };

    this.onChange = function(delta) {
        this.$modified = true;
        this.$bidiHandler.onChange(delta);
        this.$resetRowCache(delta.start.row);

        var removedFolds = this.$updateInternalDataOnChange(delta);
        if (!this.$fromUndo && this.$undoManager) {
            if (removedFolds && removedFolds.length) {
                this.$undoManager.add({
                    action: "removeFolds",
                    folds:  removedFolds
                }, this.mergeUndoDeltas);
                this.mergeUndoDeltas = true;
            }
            this.$undoManager.add(delta, this.mergeUndoDeltas);
            this.mergeUndoDeltas = true;
            
            this.$informUndoManager.schedule();
        }

        this.bgTokenizer.$updateOnChange(delta);
        this._signal("change", delta);
    };
    this.setValue = function(text) {
        this.doc.setValue(text);
        this.selection.moveTo(0, 0);

        this.$resetRowCache(0);
        this.setUndoManager(this.$undoManager);
        this.getUndoManager().reset();
    };
    this.getValue =
    this.toString = function() {
        return this.doc.getValue();
    };
    this.getSelection = function() {
        return this.selection;
    };
    this.getState = function(row) {
        return this.bgTokenizer.getState(row);
    };
    this.getTokens = function(row) {
        return this.bgTokenizer.getTokens(row);
    };
    this.getTokenAt = function(row, column) {
        var tokens = this.bgTokenizer.getTokens(row);
        var token, c = 0;
        if (column == null) {
            var i = tokens.length - 1;
            c = this.getLine(row).length;
        } else {
            for (var i = 0; i < tokens.length; i++) {
                c += tokens[i].value.length;
                if (c >= column)
                    break;
            }
        }
        token = tokens[i];
        if (!token)
            return null;
        token.index = i;
        token.start = c - token.value.length;
        return token;
    };
    this.setUndoManager = function(undoManager) {
        this.$undoManager = undoManager;
        
        if (this.$informUndoManager)
            this.$informUndoManager.cancel();
        
        if (undoManager) {
            var self = this;
            undoManager.addSession(this);
            this.$syncInformUndoManager = function() {
                self.$informUndoManager.cancel();
                self.mergeUndoDeltas = false;
            };
            this.$informUndoManager = lang.delayedCall(this.$syncInformUndoManager);
        } else {
            this.$syncInformUndoManager = function() {};
        }
    };
    this.markUndoGroup = function() {
        if (this.$syncInformUndoManager)
            this.$syncInformUndoManager();
    };
    
    this.$defaultUndoManager = {
        undo: function() {},
        redo: function() {},
        hasUndo: function() {},
        hasRedo: function() {},
        reset: function() {},
        add: function() {},
        addSelection: function() {},
        startNewGroup: function() {},
        addSession: function() {}
    };
    this.getUndoManager = function() {
        return this.$undoManager || this.$defaultUndoManager;
    };
    this.getTabString = function() {
        if (this.getUseSoftTabs()) {
            return lang.stringRepeat(" ", this.getTabSize());
        } else {
            return "\t";
        }
    };
    this.setUseSoftTabs = function(val) {
        this.setOption("useSoftTabs", val);
    };
    this.getUseSoftTabs = function() {
        return this.$useSoftTabs && !this.$mode.$indentWithTabs;
    };
    this.setTabSize = function(tabSize) {
        this.setOption("tabSize", tabSize);
    };
    this.getTabSize = function() {
        return this.$tabSize;
    };
    this.isTabStop = function(position) {
        return this.$useSoftTabs && (position.column % this.$tabSize === 0);
    };
    this.setNavigateWithinSoftTabs = function (navigateWithinSoftTabs) {
        this.setOption("navigateWithinSoftTabs", navigateWithinSoftTabs);
    };
    this.getNavigateWithinSoftTabs = function() {
        return this.$navigateWithinSoftTabs;
    };

    this.$overwrite = false;
    this.setOverwrite = function(overwrite) {
        this.setOption("overwrite", overwrite);
    };
    this.getOverwrite = function() {
        return this.$overwrite;
    };
    this.toggleOverwrite = function() {
        this.setOverwrite(!this.$overwrite);
    };
    this.addGutterDecoration = function(row, className) {
        if (!this.$decorations[row])
            this.$decorations[row] = "";
        this.$decorations[row] += " " + className;
        this._signal("changeBreakpoint", {});
    };
    this.removeGutterDecoration = function(row, className) {
        this.$decorations[row] = (this.$decorations[row] || "").replace(" " + className, "");
        this._signal("changeBreakpoint", {});
    };
    this.getBreakpoints = function() {
        return this.$breakpoints;
    };
    this.setBreakpoints = function(rows) {
        this.$breakpoints = [];
        for (var i=0; i<rows.length; i++) {
            this.$breakpoints[rows[i]] = "ace_breakpoint";
        }
        this._signal("changeBreakpoint", {});
    };
    this.clearBreakpoints = function() {
        this.$breakpoints = [];
        this._signal("changeBreakpoint", {});
    };
    this.setBreakpoint = function(row, className) {
        if (className === undefined)
            className = "ace_breakpoint";
        if (className)
            this.$breakpoints[row] = className;
        else
            delete this.$breakpoints[row];
        this._signal("changeBreakpoint", {});
    };
    this.clearBreakpoint = function(row) {
        delete this.$breakpoints[row];
        this._signal("changeBreakpoint", {});
    };
    this.addMarker = function(range, clazz, type, inFront) {
        var id = this.$markerId++;

        var marker = {
            range : range,
            type : type || "line",
            renderer: typeof type == "function" ? type : null,
            clazz : clazz,
            inFront: !!inFront,
            id: id
        };

        if (inFront) {
            this.$frontMarkers[id] = marker;
            this._signal("changeFrontMarker");
        } else {
            this.$backMarkers[id] = marker;
            this._signal("changeBackMarker");
        }

        return id;
    };
    this.addDynamicMarker = function(marker, inFront) {
        if (!marker.update)
            return;
        var id = this.$markerId++;
        marker.id = id;
        marker.inFront = !!inFront;

        if (inFront) {
            this.$frontMarkers[id] = marker;
            this._signal("changeFrontMarker");
        } else {
            this.$backMarkers[id] = marker;
            this._signal("changeBackMarker");
        }

        return marker;
    };
    this.removeMarker = function(markerId) {
        var marker = this.$frontMarkers[markerId] || this.$backMarkers[markerId];
        if (!marker)
            return;

        var markers = marker.inFront ? this.$frontMarkers : this.$backMarkers;
        delete (markers[markerId]);
        this._signal(marker.inFront ? "changeFrontMarker" : "changeBackMarker");
    };
    this.getMarkers = function(inFront) {
        return inFront ? this.$frontMarkers : this.$backMarkers;
    };

    this.highlight = function(re) {
        if (!this.$searchHighlight) {
            var highlight = new SearchHighlight(null, "ace_selected-word", "text");
            this.$searchHighlight = this.addDynamicMarker(highlight);
        }
        this.$searchHighlight.setRegexp(re);
    };
    this.highlightLines = function(startRow, endRow, clazz, inFront) {
        if (typeof endRow != "number") {
            clazz = endRow;
            endRow = startRow;
        }
        if (!clazz)
            clazz = "ace_step";

        var range = new Range(startRow, 0, endRow, Infinity);
        range.id = this.addMarker(range, clazz, "fullLine", inFront);
        return range;
    };
    this.setAnnotations = function(annotations) {
        this.$annotations = annotations;
        this._signal("changeAnnotation", {});
    };
    this.getAnnotations = function() {
        return this.$annotations || [];
    };
    this.clearAnnotations = function() {
        this.setAnnotations([]);
    };
    this.$detectNewLine = function(text) {
        var match = text.match(/^.*?(\r?\n)/m);
        if (match) {
            this.$autoNewLine = match[1];
        } else {
            this.$autoNewLine = "\n";
        }
    };
    this.getWordRange = function(row, column) {
        var line = this.getLine(row);

        var inToken = false;
        if (column > 0)
            inToken = !!line.charAt(column - 1).match(this.tokenRe);

        if (!inToken)
            inToken = !!line.charAt(column).match(this.tokenRe);

        if (inToken)
            var re = this.tokenRe;
        else if (/^\s+$/.test(line.slice(column-1, column+1)))
            var re = /\s/;
        else
            var re = this.nonTokenRe;

        var start = column;
        if (start > 0) {
            do {
                start--;
            }
            while (start >= 0 && line.charAt(start).match(re));
            start++;
        }

        var end = column;
        while (end < line.length && line.charAt(end).match(re)) {
            end++;
        }

        return new Range(row, start, row, end);
    };
    this.getAWordRange = function(row, column) {
        var wordRange = this.getWordRange(row, column);
        var line = this.getLine(wordRange.end.row);

        while (line.charAt(wordRange.end.column).match(/[ \t]/)) {
            wordRange.end.column += 1;
        }
        return wordRange;
    };
    this.setNewLineMode = function(newLineMode) {
        this.doc.setNewLineMode(newLineMode);
    };
    this.getNewLineMode = function() {
        return this.doc.getNewLineMode();
    };
    this.setUseWorker = function(useWorker) { this.setOption("useWorker", useWorker); };
    this.getUseWorker = function() { return this.$useWorker; };
    this.onReloadTokenizer = function(e) {
        var rows = e.data;
        this.bgTokenizer.start(rows.first);
        this._signal("tokenizerUpdate", e);
    };

    this.$modes = config.$modes;
    this.$mode = null;
    this.$modeId = null;
    this.setMode = function(mode, cb) {
        if (mode && typeof mode === "object") {
            if (mode.getTokenizer)
                return this.$onChangeMode(mode);
            var options = mode;
            var path = options.path;
        } else {
            path = mode || "ace/mode/text";
        }
        if (!this.$modes["ace/mode/text"])
            this.$modes["ace/mode/text"] = new TextMode();

        if (this.$modes[path] && !options) {
            this.$onChangeMode(this.$modes[path]);
            cb && cb();
            return;
        }
        this.$modeId = path;
        config.loadModule(["mode", path], function(m) {
            if (this.$modeId !== path)
                return cb && cb();
            if (this.$modes[path] && !options) {
                this.$onChangeMode(this.$modes[path]);
            } else if (m && m.Mode) {
                m = new m.Mode(options);
                if (!options) {
                    this.$modes[path] = m;
                    m.$id = path;
                }
                this.$onChangeMode(m);
            }
            cb && cb();
        }.bind(this));
        if (!this.$mode)
            this.$onChangeMode(this.$modes["ace/mode/text"], true);
    };

    this.$onChangeMode = function(mode, $isPlaceholder) {
        if (!$isPlaceholder)
            this.$modeId = mode.$id;
        if (this.$mode === mode) 
            return;
            
        var oldMode = this.$mode;
        this.$mode = mode;

        this.$stopWorker();

        if (this.$useWorker)
            this.$startWorker();

        var tokenizer = mode.getTokenizer();

        if(tokenizer.on !== undefined) {
            var onReloadTokenizer = this.onReloadTokenizer.bind(this);
            tokenizer.on("update", onReloadTokenizer);
        }

        this.bgTokenizer.setTokenizer(tokenizer);
        this.bgTokenizer.setDocument(this.getDocument());

        this.tokenRe = mode.tokenRe;
        this.nonTokenRe = mode.nonTokenRe;

        
        if (!$isPlaceholder) {
            if (mode.attachToSession)
                mode.attachToSession(this);
            this.$options.wrapMethod.set.call(this, this.$wrapMethod);
            this.$setFolding(mode.foldingRules);
            this.bgTokenizer.start(0);
            this._emit("changeMode", {oldMode: oldMode, mode: mode});
        }
    };

    this.$stopWorker = function() {
        if (this.$worker) {
            this.$worker.terminate();
            this.$worker = null;
        }
    };

    this.$startWorker = function() {
        try {
            this.$worker = this.$mode.createWorker(this);
        } catch (e) {
            config.warn("Could not load worker", e);
            this.$worker = null;
        }
    };
    this.getMode = function() {
        return this.$mode;
    };

    this.$scrollTop = 0;
    this.setScrollTop = function(scrollTop) {
        if (this.$scrollTop === scrollTop || isNaN(scrollTop))
            return;

        this.$scrollTop = scrollTop;
        this._signal("changeScrollTop", scrollTop);
    };
    this.getScrollTop = function() {
        return this.$scrollTop;
    };

    this.$scrollLeft = 0;
    this.setScrollLeft = function(scrollLeft) {
        if (this.$scrollLeft === scrollLeft || isNaN(scrollLeft))
            return;

        this.$scrollLeft = scrollLeft;
        this._signal("changeScrollLeft", scrollLeft);
    };
    this.getScrollLeft = function() {
        return this.$scrollLeft;
    };
    this.getScreenWidth = function() {
        this.$computeWidth();
        if (this.lineWidgets) 
            return Math.max(this.getLineWidgetMaxWidth(), this.screenWidth);
        return this.screenWidth;
    };
    
    this.getLineWidgetMaxWidth = function() {
        if (this.lineWidgetsWidth != null) return this.lineWidgetsWidth;
        var width = 0;
        this.lineWidgets.forEach(function(w) {
            if (w && w.screenWidth > width)
                width = w.screenWidth;
        });
        return this.lineWidgetWidth = width;
    };

    this.$computeWidth = function(force) {
        if (this.$modified || force) {
            this.$modified = false;

            if (this.$useWrapMode)
                return this.screenWidth = this.$wrapLimit;

            var lines = this.doc.getAllLines();
            var cache = this.$rowLengthCache;
            var longestScreenLine = 0;
            var foldIndex = 0;
            var foldLine = this.$foldData[foldIndex];
            var foldStart = foldLine ? foldLine.start.row : Infinity;
            var len = lines.length;

            for (var i = 0; i < len; i++) {
                if (i > foldStart) {
                    i = foldLine.end.row + 1;
                    if (i >= len)
                        break;
                    foldLine = this.$foldData[foldIndex++];
                    foldStart = foldLine ? foldLine.start.row : Infinity;
                }

                if (cache[i] == null)
                    cache[i] = this.$getStringScreenWidth(lines[i])[0];

                if (cache[i] > longestScreenLine)
                    longestScreenLine = cache[i];
            }
            this.screenWidth = longestScreenLine;
        }
    };
    this.getLine = function(row) {
        return this.doc.getLine(row);
    };
    this.getLines = function(firstRow, lastRow) {
        return this.doc.getLines(firstRow, lastRow);
    };
    this.getLength = function() {
        return this.doc.getLength();
    };
    this.getTextRange = function(range) {
        return this.doc.getTextRange(range || this.selection.getRange());
    };
    this.insert = function(position, text) {
        return this.doc.insert(position, text);
    };
    this.remove = function(range) {
        return this.doc.remove(range);
    };
    this.removeFullLines = function(firstRow, lastRow){
        return this.doc.removeFullLines(firstRow, lastRow);
    };
    this.undoChanges = function(deltas, dontSelect) {
        if (!deltas.length)
            return;

        this.$fromUndo = true;
        for (var i = deltas.length - 1; i != -1; i--) {
            var delta = deltas[i];
            if (delta.action == "insert" || delta.action == "remove") {
                this.doc.revertDelta(delta);
            } else if (delta.folds) {
                this.addFolds(delta.folds);
            }
        }
        if (!dontSelect && this.$undoSelect) {
            if (deltas.selectionBefore)
                this.selection.fromJSON(deltas.selectionBefore);
            else
                this.selection.setRange(this.$getUndoSelection(deltas, true));
        }
        this.$fromUndo = false;
    };
    this.redoChanges = function(deltas, dontSelect) {
        if (!deltas.length)
            return;

        this.$fromUndo = true;
        for (var i = 0; i < deltas.length; i++) {
            var delta = deltas[i];
            if (delta.action == "insert" || delta.action == "remove") {
                this.doc.$safeApplyDelta(delta);
            }
        }

        if (!dontSelect && this.$undoSelect) {
            if (deltas.selectionAfter)
                this.selection.fromJSON(deltas.selectionAfter);
            else
                this.selection.setRange(this.$getUndoSelection(deltas, false));
        }
        this.$fromUndo = false;
    };
    this.setUndoSelect = function(enable) {
        this.$undoSelect = enable;
    };

    this.$getUndoSelection = function(deltas, isUndo) {
        function isInsert(delta) {
            return isUndo ? delta.action !== "insert" : delta.action === "insert";
        }

        var range, point;

        for (var i = 0; i < deltas.length; i++) {
            var delta = deltas[i];
            if (!delta.start) continue; // skip folds
            if (!range) {
                if (isInsert(delta)) {
                    range = Range.fromPoints(delta.start, delta.end);
                } else {
                    range = Range.fromPoints(delta.start, delta.start);
                }
                continue;
            }
            
            if (isInsert(delta)) {
                point = delta.start;
                if (range.compare(point.row, point.column) == -1) {
                    range.setStart(point);
                }
                point = delta.end;
                if (range.compare(point.row, point.column) == 1) {
                    range.setEnd(point);
                }
            } else {
                point = delta.start;
                if (range.compare(point.row, point.column) == -1) {
                    range = Range.fromPoints(delta.start, delta.start);
                }
            }
        }
        return range;
    };
    this.replace = function(range, text) {
        return this.doc.replace(range, text);
    };
    this.moveText = function(fromRange, toPosition, copy) {
        var text = this.getTextRange(fromRange);
        var folds = this.getFoldsInRange(fromRange);

        var toRange = Range.fromPoints(toPosition, toPosition);
        if (!copy) {
            this.remove(fromRange);
            var rowDiff = fromRange.start.row - fromRange.end.row;
            var collDiff = rowDiff ? -fromRange.end.column : fromRange.start.column - fromRange.end.column;
            if (collDiff) {
                if (toRange.start.row == fromRange.end.row && toRange.start.column > fromRange.end.column)
                    toRange.start.column += collDiff;
                if (toRange.end.row == fromRange.end.row && toRange.end.column > fromRange.end.column)
                    toRange.end.column += collDiff;
            }
            if (rowDiff && toRange.start.row >= fromRange.end.row) {
                toRange.start.row += rowDiff;
                toRange.end.row += rowDiff;
            }
        }

        toRange.end = this.insert(toRange.start, text);
        if (folds.length) {
            var oldStart = fromRange.start;
            var newStart = toRange.start;
            var rowDiff = newStart.row - oldStart.row;
            var collDiff = newStart.column - oldStart.column;
            this.addFolds(folds.map(function(x) {
                x = x.clone();
                if (x.start.row == oldStart.row)
                    x.start.column += collDiff;
                if (x.end.row == oldStart.row)
                    x.end.column += collDiff;
                x.start.row += rowDiff;
                x.end.row += rowDiff;
                return x;
            }));
        }

        return toRange;
    };
    this.indentRows = function(startRow, endRow, indentString) {
        indentString = indentString.replace(/\t/g, this.getTabString());
        for (var row=startRow; row<=endRow; row++)
            this.doc.insertInLine({row: row, column: 0}, indentString);
    };
    this.outdentRows = function (range) {
        var rowRange = range.collapseRows();
        var deleteRange = new Range(0, 0, 0, 0);
        var size = this.getTabSize();

        for (var i = rowRange.start.row; i <= rowRange.end.row; ++i) {
            var line = this.getLine(i);

            deleteRange.start.row = i;
            deleteRange.end.row = i;
            for (var j = 0; j < size; ++j)
                if (line.charAt(j) != ' ')
                    break;
            if (j < size && line.charAt(j) == '\t') {
                deleteRange.start.column = j;
                deleteRange.end.column = j + 1;
            } else {
                deleteRange.start.column = 0;
                deleteRange.end.column = j;
            }
            this.remove(deleteRange);
        }
    };

    this.$moveLines = function(firstRow, lastRow, dir) {
        firstRow = this.getRowFoldStart(firstRow);
        lastRow = this.getRowFoldEnd(lastRow);
        if (dir < 0) {
            var row = this.getRowFoldStart(firstRow + dir);
            if (row < 0) return 0;
            var diff = row-firstRow;
        } else if (dir > 0) {
            var row = this.getRowFoldEnd(lastRow + dir);
            if (row > this.doc.getLength()-1) return 0;
            var diff = row-lastRow;
        } else {
            firstRow = this.$clipRowToDocument(firstRow);
            lastRow = this.$clipRowToDocument(lastRow);
            var diff = lastRow - firstRow + 1;
        }

        var range = new Range(firstRow, 0, lastRow, Number.MAX_VALUE);
        var folds = this.getFoldsInRange(range).map(function(x){
            x = x.clone();
            x.start.row += diff;
            x.end.row += diff;
            return x;
        });
        
        var lines = dir == 0
            ? this.doc.getLines(firstRow, lastRow)
            : this.doc.removeFullLines(firstRow, lastRow);
        this.doc.insertFullLines(firstRow+diff, lines);
        folds.length && this.addFolds(folds);
        return diff;
    };
    this.moveLinesUp = function(firstRow, lastRow) {
        return this.$moveLines(firstRow, lastRow, -1);
    };
    this.moveLinesDown = function(firstRow, lastRow) {
        return this.$moveLines(firstRow, lastRow, 1);
    };
    this.duplicateLines = function(firstRow, lastRow) {
        return this.$moveLines(firstRow, lastRow, 0);
    };


    this.$clipRowToDocument = function(row) {
        return Math.max(0, Math.min(row, this.doc.getLength()-1));
    };

    this.$clipColumnToRow = function(row, column) {
        if (column < 0)
            return 0;
        return Math.min(this.doc.getLine(row).length, column);
    };


    this.$clipPositionToDocument = function(row, column) {
        column = Math.max(0, column);

        if (row < 0) {
            row = 0;
            column = 0;
        } else {
            var len = this.doc.getLength();
            if (row >= len) {
                row = len - 1;
                column = this.doc.getLine(len-1).length;
            } else {
                column = Math.min(this.doc.getLine(row).length, column);
            }
        }

        return {
            row: row,
            column: column
        };
    };

    this.$clipRangeToDocument = function(range) {
        if (range.start.row < 0) {
            range.start.row = 0;
            range.start.column = 0;
        } else {
            range.start.column = this.$clipColumnToRow(
                range.start.row,
                range.start.column
            );
        }

        var len = this.doc.getLength() - 1;
        if (range.end.row > len) {
            range.end.row = len;
            range.end.column = this.doc.getLine(len).length;
        } else {
            range.end.column = this.$clipColumnToRow(
                range.end.row,
                range.end.column
            );
        }
        return range;
    };
    this.$wrapLimit = 80;
    this.$useWrapMode = false;
    this.$wrapLimitRange = {
        min : null,
        max : null
    };
    this.setUseWrapMode = function(useWrapMode) {
        if (useWrapMode != this.$useWrapMode) {
            this.$useWrapMode = useWrapMode;
            this.$modified = true;
            this.$resetRowCache(0);
            if (useWrapMode) {
                var len = this.getLength();
                this.$wrapData = Array(len);
                this.$updateWrapData(0, len - 1);
            }

            this._signal("changeWrapMode");
        }
    };
    this.getUseWrapMode = function() {
        return this.$useWrapMode;
    };
    this.setWrapLimitRange = function(min, max) {
        if (this.$wrapLimitRange.min !== min || this.$wrapLimitRange.max !== max) {
            this.$wrapLimitRange = { min: min, max: max };
            this.$modified = true;
            this.$bidiHandler.markAsDirty();
            if (this.$useWrapMode)
                this._signal("changeWrapMode");
        }
    };
    this.adjustWrapLimit = function(desiredLimit, $printMargin) {
        var limits = this.$wrapLimitRange;
        if (limits.max < 0)
            limits = {min: $printMargin, max: $printMargin};
        var wrapLimit = this.$constrainWrapLimit(desiredLimit, limits.min, limits.max);
        if (wrapLimit != this.$wrapLimit && wrapLimit > 1) {
            this.$wrapLimit = wrapLimit;
            this.$modified = true;
            if (this.$useWrapMode) {
                this.$updateWrapData(0, this.getLength() - 1);
                this.$resetRowCache(0);
                this._signal("changeWrapLimit");
            }
            return true;
        }
        return false;
    };

    this.$constrainWrapLimit = function(wrapLimit, min, max) {
        if (min)
            wrapLimit = Math.max(min, wrapLimit);

        if (max)
            wrapLimit = Math.min(max, wrapLimit);

        return wrapLimit;
    };
    this.getWrapLimit = function() {
        return this.$wrapLimit;
    };
    this.setWrapLimit = function (limit) {
        this.setWrapLimitRange(limit, limit);
    };
    this.getWrapLimitRange = function() {
        return {
            min : this.$wrapLimitRange.min,
            max : this.$wrapLimitRange.max
        };
    };

    this.$updateInternalDataOnChange = function(delta) {
        var useWrapMode = this.$useWrapMode;
        var action = delta.action;
        var start = delta.start;
        var end = delta.end;
        var firstRow = start.row;
        var lastRow = end.row;
        var len = lastRow - firstRow;
        var removedFolds = null;
        
        this.$updating = true;
        if (len != 0) {
            if (action === "remove") {
                this[useWrapMode ? "$wrapData" : "$rowLengthCache"].splice(firstRow, len);

                var foldLines = this.$foldData;
                removedFolds = this.getFoldsInRange(delta);
                this.removeFolds(removedFolds);

                var foldLine = this.getFoldLine(end.row);
                var idx = 0;
                if (foldLine) {
                    foldLine.addRemoveChars(end.row, end.column, start.column - end.column);
                    foldLine.shiftRow(-len);

                    var foldLineBefore = this.getFoldLine(firstRow);
                    if (foldLineBefore && foldLineBefore !== foldLine) {
                        foldLineBefore.merge(foldLine);
                        foldLine = foldLineBefore;
                    }
                    idx = foldLines.indexOf(foldLine) + 1;
                }

                for (idx; idx < foldLines.length; idx++) {
                    var foldLine = foldLines[idx];
                    if (foldLine.start.row >= end.row) {
                        foldLine.shiftRow(-len);
                    }
                }

                lastRow = firstRow;
            } else {
                var args = Array(len);
                args.unshift(firstRow, 0);
                var arr = useWrapMode ? this.$wrapData : this.$rowLengthCache;
                arr.splice.apply(arr, args);
                var foldLines = this.$foldData;
                var foldLine = this.getFoldLine(firstRow);
                var idx = 0;
                if (foldLine) {
                    var cmp = foldLine.range.compareInside(start.row, start.column);
                    if (cmp == 0) {
                        foldLine = foldLine.split(start.row, start.column);
                        if (foldLine) {
                            foldLine.shiftRow(len);
                            foldLine.addRemoveChars(lastRow, 0, end.column - start.column);
                        }
                    } else
                    if (cmp == -1) {
                        foldLine.addRemoveChars(firstRow, 0, end.column - start.column);
                        foldLine.shiftRow(len);
                    }
                    idx = foldLines.indexOf(foldLine) + 1;
                }

                for (idx; idx < foldLines.length; idx++) {
                    var foldLine = foldLines[idx];
                    if (foldLine.start.row >= firstRow) {
                        foldLine.shiftRow(len);
                    }
                }
            }
        } else {
            len = Math.abs(delta.start.column - delta.end.column);
            if (action === "remove") {
                removedFolds = this.getFoldsInRange(delta);
                this.removeFolds(removedFolds);

                len = -len;
            }
            var foldLine = this.getFoldLine(firstRow);
            if (foldLine) {
                foldLine.addRemoveChars(firstRow, start.column, len);
            }
        }

        if (useWrapMode && this.$wrapData.length != this.doc.getLength()) {
            console.error("doc.getLength() and $wrapData.length have to be the same!");
        }
        this.$updating = false;

        if (useWrapMode)
            this.$updateWrapData(firstRow, lastRow);
        else
            this.$updateRowLengthCache(firstRow, lastRow);

        return removedFolds;
    };

    this.$updateRowLengthCache = function(firstRow, lastRow, b) {
        this.$rowLengthCache[firstRow] = null;
        this.$rowLengthCache[lastRow] = null;
    };

    this.$updateWrapData = function(firstRow, lastRow) {
        var lines = this.doc.getAllLines();
        var tabSize = this.getTabSize();
        var wrapData = this.$wrapData;
        var wrapLimit = this.$wrapLimit;
        var tokens;
        var foldLine;

        var row = firstRow;
        lastRow = Math.min(lastRow, lines.length - 1);
        while (row <= lastRow) {
            foldLine = this.getFoldLine(row, foldLine);
            if (!foldLine) {
                tokens = this.$getDisplayTokens(lines[row]);
                wrapData[row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
                row ++;
            } else {
                tokens = [];
                foldLine.walk(function(placeholder, row, column, lastColumn) {
                        var walkTokens;
                        if (placeholder != null) {
                            walkTokens = this.$getDisplayTokens(
                                            placeholder, tokens.length);
                            walkTokens[0] = PLACEHOLDER_START;
                            for (var i = 1; i < walkTokens.length; i++) {
                                walkTokens[i] = PLACEHOLDER_BODY;
                            }
                        } else {
                            walkTokens = this.$getDisplayTokens(
                                lines[row].substring(lastColumn, column),
                                tokens.length);
                        }
                        tokens = tokens.concat(walkTokens);
                    }.bind(this),
                    foldLine.end.row,
                    lines[foldLine.end.row].length + 1
                );

                wrapData[foldLine.start.row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
                row = foldLine.end.row + 1;
            }
        }
    };
    var CHAR = 1,
        CHAR_EXT = 2,
        PLACEHOLDER_START = 3,
        PLACEHOLDER_BODY =  4,
        PUNCTUATION = 9,
        SPACE = 10,
        TAB = 11,
        TAB_SPACE = 12;


    this.$computeWrapSplits = function(tokens, wrapLimit, tabSize) {
        if (tokens.length == 0) {
            return [];
        }

        var splits = [];
        var displayLength = tokens.length;
        var lastSplit = 0, lastDocSplit = 0;

        var isCode = this.$wrapAsCode;

        var indentedSoftWrap = this.$indentedSoftWrap;
        var maxIndent = wrapLimit <= Math.max(2 * tabSize, 8)
            || indentedSoftWrap === false ? 0 : Math.floor(wrapLimit / 2);

        function getWrapIndent() {
            var indentation = 0;
            if (maxIndent === 0)
                return indentation;
            if (indentedSoftWrap) {
                for (var i = 0; i < tokens.length; i++) {
                    var token = tokens[i];
                    if (token == SPACE)
                        indentation += 1;
                    else if (token == TAB)
                        indentation += tabSize;
                    else if (token == TAB_SPACE)
                        continue;
                    else
                        break;
                }
            }
            if (isCode && indentedSoftWrap !== false)
                indentation += tabSize;
            return Math.min(indentation, maxIndent);
        }
        function addSplit(screenPos) {
            var len = screenPos - lastSplit;
            for (var i = lastSplit; i < screenPos; i++) {
                var ch = tokens[i];
                if (ch === 12 || ch === 2) len -= 1;
            }

            if (!splits.length) {
                indent = getWrapIndent();
                splits.indent = indent;
            }
            lastDocSplit += len;
            splits.push(lastDocSplit);
            lastSplit = screenPos;
        }
        var indent = 0;
        while (displayLength - lastSplit > wrapLimit - indent) {
            var split = lastSplit + wrapLimit - indent;
            if (tokens[split - 1] >= SPACE && tokens[split] >= SPACE) {
                addSplit(split);
                continue;
            }
            if (tokens[split] == PLACEHOLDER_START || tokens[split] == PLACEHOLDER_BODY) {
                for (split; split != lastSplit - 1; split--) {
                    if (tokens[split] == PLACEHOLDER_START) {
                        break;
                    }
                }
                if (split > lastSplit) {
                    addSplit(split);
                    continue;
                }
                split = lastSplit + wrapLimit;
                for (split; split < tokens.length; split++) {
                    if (tokens[split] != PLACEHOLDER_BODY) {
                        break;
                    }
                }
                if (split == tokens.length) {
                    break;  // Breaks the while-loop.
                }
                addSplit(split);
                continue;
            }
            var minSplit = Math.max(split - (wrapLimit -(wrapLimit>>2)), lastSplit - 1);
            while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
                split --;
            }
            if (isCode) {
                while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
                    split --;
                }
                while (split > minSplit && tokens[split] == PUNCTUATION) {
                    split --;
                }
            } else {
                while (split > minSplit && tokens[split] < SPACE) {
                    split --;
                }
            }
            if (split > minSplit) {
                addSplit(++split);
                continue;
            }
            split = lastSplit + wrapLimit;
            if (tokens[split] == CHAR_EXT)
                split--;
            addSplit(split - indent);
        }
        return splits;
    };
    this.$getDisplayTokens = function(str, offset) {
        var arr = [];
        var tabSize;
        offset = offset || 0;

        for (var i = 0; i < str.length; i++) {
            var c = str.charCodeAt(i);
            if (c == 9) {
                tabSize = this.getScreenTabSize(arr.length + offset);
                arr.push(TAB);
                for (var n = 1; n < tabSize; n++) {
                    arr.push(TAB_SPACE);
                }
            }
            else if (c == 32) {
                arr.push(SPACE);
            } else if((c > 39 && c < 48) || (c > 57 && c < 64)) {
                arr.push(PUNCTUATION);
            }
            else if (c >= 0x1100 && isFullWidth(c)) {
                arr.push(CHAR, CHAR_EXT);
            } else {
                arr.push(CHAR);
            }
        }
        return arr;
    };
    this.$getStringScreenWidth = function(str, maxScreenColumn, screenColumn) {
        if (maxScreenColumn == 0)
            return [0, 0];
        if (maxScreenColumn == null)
            maxScreenColumn = Infinity;
        screenColumn = screenColumn || 0;

        var c, column;
        for (column = 0; column < str.length; column++) {
            c = str.charCodeAt(column);
            if (c == 9) {
                screenColumn += this.getScreenTabSize(screenColumn);
            }
            else if (c >= 0x1100 && isFullWidth(c)) {
                screenColumn += 2;
            } else {
                screenColumn += 1;
            }
            if (screenColumn > maxScreenColumn) {
                break;
            }
        }

        return [screenColumn, column];
    };

    this.lineWidgets = null;
    this.getRowLength = function(row) {
        var h = 1;
        if (this.lineWidgets)
            h += this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;
        
        if (!this.$useWrapMode || !this.$wrapData[row])
            return h;
        else
            return this.$wrapData[row].length + h;
    };
    this.getRowLineCount = function(row) {
        if (!this.$useWrapMode || !this.$wrapData[row]) {
            return 1;
        } else {
            return this.$wrapData[row].length + 1;
        }
    };

    this.getRowWrapIndent = function(screenRow) {
        if (this.$useWrapMode) {
            var pos = this.screenToDocumentPosition(screenRow, Number.MAX_VALUE);
            var splits = this.$wrapData[pos.row];
            return splits.length && splits[0] < pos.column ? splits.indent : 0;
        } else {
            return 0;
        }
    };
    this.getScreenLastRowColumn = function(screenRow) {
        var pos = this.screenToDocumentPosition(screenRow, Number.MAX_VALUE);
        return this.documentToScreenColumn(pos.row, pos.column);
    };
    this.getDocumentLastRowColumn = function(docRow, docColumn) {
        var screenRow = this.documentToScreenRow(docRow, docColumn);
        return this.getScreenLastRowColumn(screenRow);
    };
    this.getDocumentLastRowColumnPosition = function(docRow, docColumn) {
        var screenRow = this.documentToScreenRow(docRow, docColumn);
        return this.screenToDocumentPosition(screenRow, Number.MAX_VALUE / 10);
    };
    this.getRowSplitData = function(row) {
        if (!this.$useWrapMode) {
            return undefined;
        } else {
            return this.$wrapData[row];
        }
    };
    this.getScreenTabSize = function(screenColumn) {
        return this.$tabSize - (screenColumn % this.$tabSize | 0);
    };


    this.screenToDocumentRow = function(screenRow, screenColumn) {
        return this.screenToDocumentPosition(screenRow, screenColumn).row;
    };


    this.screenToDocumentColumn = function(screenRow, screenColumn) {
        return this.screenToDocumentPosition(screenRow, screenColumn).column;
    };
    this.screenToDocumentPosition = function(screenRow, screenColumn, offsetX) {
        if (screenRow < 0)
            return {row: 0, column: 0};

        var line;
        var docRow = 0;
        var docColumn = 0;
        var column;
        var row = 0;
        var rowLength = 0;

        var rowCache = this.$screenRowCache;
        var i = this.$getRowCacheIndex(rowCache, screenRow);
        var l = rowCache.length;
        if (l && i >= 0) {
            var row = rowCache[i];
            var docRow = this.$docRowCache[i];
            var doCache = screenRow > rowCache[l - 1];
        } else {
            var doCache = !l;
        }

        var maxRow = this.getLength() - 1;
        var foldLine = this.getNextFoldLine(docRow);
        var foldStart = foldLine ? foldLine.start.row : Infinity;

        while (row <= screenRow) {
            rowLength = this.getRowLength(docRow);
            if (row + rowLength > screenRow || docRow >= maxRow) {
                break;
            } else {
                row += rowLength;
                docRow++;
                if (docRow > foldStart) {
                    docRow = foldLine.end.row+1;
                    foldLine = this.getNextFoldLine(docRow, foldLine);
                    foldStart = foldLine ? foldLine.start.row : Infinity;
                }
            }

            if (doCache) {
                this.$docRowCache.push(docRow);
                this.$screenRowCache.push(row);
            }
        }

        if (foldLine && foldLine.start.row <= docRow) {
            line = this.getFoldDisplayLine(foldLine);
            docRow = foldLine.start.row;
        } else if (row + rowLength <= screenRow || docRow > maxRow) {
            return {
                row: maxRow,
                column: this.getLine(maxRow).length
            };
        } else {
            line = this.getLine(docRow);
            foldLine = null;
        }
        var wrapIndent = 0, splitIndex = Math.floor(screenRow - row);
        if (this.$useWrapMode) {
            var splits = this.$wrapData[docRow];
            if (splits) {
                column = splits[splitIndex];
                if(splitIndex > 0 && splits.length) {
                    wrapIndent = splits.indent;
                    docColumn = splits[splitIndex - 1] || splits[splits.length - 1];
                    line = line.substring(docColumn);
                }
            }
        }

        if (offsetX !== undefined && this.$bidiHandler.isBidiRow(row + splitIndex, docRow, splitIndex))
            screenColumn = this.$bidiHandler.offsetToCol(offsetX);

        docColumn += this.$getStringScreenWidth(line, screenColumn - wrapIndent)[1];
        if (this.$useWrapMode && docColumn >= column)
            docColumn = column - 1;

        if (foldLine)
            return foldLine.idxToPosition(docColumn);

        return {row: docRow, column: docColumn};
    };
    this.documentToScreenPosition = function(docRow, docColumn) {
        if (typeof docColumn === "undefined")
            var pos = this.$clipPositionToDocument(docRow.row, docRow.column);
        else
            pos = this.$clipPositionToDocument(docRow, docColumn);

        docRow = pos.row;
        docColumn = pos.column;

        var screenRow = 0;
        var foldStartRow = null;
        var fold = null;
        fold = this.getFoldAt(docRow, docColumn, 1);
        if (fold) {
            docRow = fold.start.row;
            docColumn = fold.start.column;
        }

        var rowEnd, row = 0;


        var rowCache = this.$docRowCache;
        var i = this.$getRowCacheIndex(rowCache, docRow);
        var l = rowCache.length;
        if (l && i >= 0) {
            var row = rowCache[i];
            var screenRow = this.$screenRowCache[i];
            var doCache = docRow > rowCache[l - 1];
        } else {
            var doCache = !l;
        }

        var foldLine = this.getNextFoldLine(row);
        var foldStart = foldLine ?foldLine.start.row :Infinity;

        while (row < docRow) {
            if (row >= foldStart) {
                rowEnd = foldLine.end.row + 1;
                if (rowEnd > docRow)
                    break;
                foldLine = this.getNextFoldLine(rowEnd, foldLine);
                foldStart = foldLine ?foldLine.start.row :Infinity;
            }
            else {
                rowEnd = row + 1;
            }

            screenRow += this.getRowLength(row);
            row = rowEnd;

            if (doCache) {
                this.$docRowCache.push(row);
                this.$screenRowCache.push(screenRow);
            }
        }
        var textLine = "";
        if (foldLine && row >= foldStart) {
            textLine = this.getFoldDisplayLine(foldLine, docRow, docColumn);
            foldStartRow = foldLine.start.row;
        } else {
            textLine = this.getLine(docRow).substring(0, docColumn);
            foldStartRow = docRow;
        }
        var wrapIndent = 0;
        if (this.$useWrapMode) {
            var wrapRow = this.$wrapData[foldStartRow];
            if (wrapRow) {
                var screenRowOffset = 0;
                while (textLine.length >= wrapRow[screenRowOffset]) {
                    screenRow ++;
                    screenRowOffset++;
                }
                textLine = textLine.substring(
                    wrapRow[screenRowOffset - 1] || 0, textLine.length
                );
                wrapIndent = screenRowOffset > 0 ? wrapRow.indent : 0;
            }
        }
        
        if (this.lineWidgets && this.lineWidgets[row] && this.lineWidgets[row].rowsAbove)
            screenRow += this.lineWidgets[row].rowsAbove;

        return {
            row: screenRow,
            column: wrapIndent + this.$getStringScreenWidth(textLine)[0]
        };
    };
    this.documentToScreenColumn = function(row, docColumn) {
        return this.documentToScreenPosition(row, docColumn).column;
    };
    this.documentToScreenRow = function(docRow, docColumn) {
        return this.documentToScreenPosition(docRow, docColumn).row;
    };
    this.getScreenLength = function() {
        var screenRows = 0;
        var fold = null;
        if (!this.$useWrapMode) {
            screenRows = this.getLength();
            var foldData = this.$foldData;
            for (var i = 0; i < foldData.length; i++) {
                fold = foldData[i];
                screenRows -= fold.end.row - fold.start.row;
            }
        } else {
            var lastRow = this.$wrapData.length;
            var row = 0, i = 0;
            var fold = this.$foldData[i++];
            var foldStart = fold ? fold.start.row :Infinity;

            while (row < lastRow) {
                var splits = this.$wrapData[row];
                screenRows += splits ? splits.length + 1 : 1;
                row ++;
                if (row > foldStart) {
                    row = fold.end.row+1;
                    fold = this.$foldData[i++];
                    foldStart = fold ?fold.start.row :Infinity;
                }
            }
        }
        if (this.lineWidgets)
            screenRows += this.$getWidgetScreenLength();

        return screenRows;
    };
    this.$setFontMetrics = function(fm) {
        if (!this.$enableVarChar) return;
        this.$getStringScreenWidth = function(str, maxScreenColumn, screenColumn) {
            if (maxScreenColumn === 0)
                return [0, 0];
            if (!maxScreenColumn)
                maxScreenColumn = Infinity;
            screenColumn = screenColumn || 0;
            
            var c, column;
            for (column = 0; column < str.length; column++) {
                c = str.charAt(column);
                if (c === "\t") {
                    screenColumn += this.getScreenTabSize(screenColumn);
                } else {
                    screenColumn += fm.getCharacterWidth(c);
                }
                if (screenColumn > maxScreenColumn) {
                    break;
                }
            }
            
            return [screenColumn, column];
        };
    };
    
    this.destroy = function() {
        if (!this.destroyed) {
            this.bgTokenizer.setDocument(null);
            this.bgTokenizer.cleanup();
            this.destroyed = true;
        }
        this.$stopWorker();
        this.removeAllListeners();
        if (this.doc) {
            this.doc.off("change", this.$onChange);
        }
        this.selection.detach();
    };

    this.isFullWidth = isFullWidth;
    function isFullWidth(c) {
        if (c < 0x1100)
            return false;
        return c >= 0x1100 && c <= 0x115F ||
               c >= 0x11A3 && c <= 0x11A7 ||
               c >= 0x11FA && c <= 0x11FF ||
               c >= 0x2329 && c <= 0x232A ||
               c >= 0x2E80 && c <= 0x2E99 ||
               c >= 0x2E9B && c <= 0x2EF3 ||
               c >= 0x2F00 && c <= 0x2FD5 ||
               c >= 0x2FF0 && c <= 0x2FFB ||
               c >= 0x3000 && c <= 0x303E ||
               c >= 0x3041 && c <= 0x3096 ||
               c >= 0x3099 && c <= 0x30FF ||
               c >= 0x3105 && c <= 0x312D ||
               c >= 0x3131 && c <= 0x318E ||
               c >= 0x3190 && c <= 0x31BA ||
               c >= 0x31C0 && c <= 0x31E3 ||
               c >= 0x31F0 && c <= 0x321E ||
               c >= 0x3220 && c <= 0x3247 ||
               c >= 0x3250 && c <= 0x32FE ||
               c >= 0x3300 && c <= 0x4DBF ||
               c >= 0x4E00 && c <= 0xA48C ||
               c >= 0xA490 && c <= 0xA4C6 ||
               c >= 0xA960 && c <= 0xA97C ||
               c >= 0xAC00 && c <= 0xD7A3 ||
               c >= 0xD7B0 && c <= 0xD7C6 ||
               c >= 0xD7CB && c <= 0xD7FB ||
               c >= 0xF900 && c <= 0xFAFF ||
               c >= 0xFE10 && c <= 0xFE19 ||
               c >= 0xFE30 && c <= 0xFE52 ||
               c >= 0xFE54 && c <= 0xFE66 ||
               c >= 0xFE68 && c <= 0xFE6B ||
               c >= 0xFF01 && c <= 0xFF60 ||
               c >= 0xFFE0 && c <= 0xFFE6;
    }

}).call(EditSession.prototype);

require("./edit_session/folding").Folding.call(EditSession.prototype);
require("./edit_session/bracket_match").BracketMatch.call(EditSession.prototype);


config.defineOptions(EditSession.prototype, "session", {
    wrap: {
        set: function(value) {
            if (!value || value == "off")
                value = false;
            else if (value == "free")
                value = true;
            else if (value == "printMargin")
                value = -1;
            else if (typeof value == "string")
                value = parseInt(value, 10) || false;

            if (this.$wrap == value)
                return;
            this.$wrap = value;
            if (!value) {
                this.setUseWrapMode(false);
            } else {
                var col = typeof value == "number" ? value : null;
                this.setWrapLimitRange(col, col);
                this.setUseWrapMode(true);
            }
        },
        get: function() {
            if (this.getUseWrapMode()) {
                if (this.$wrap == -1)
                    return "printMargin";
                if (!this.getWrapLimitRange().min)
                    return "free";
                return this.$wrap;
            }
            return "off";
        },
        handlesSet: true
    },    
    wrapMethod: {
        set: function(val) {
            val = val == "auto"
                ? this.$mode.type != "text"
                : val != "text";
            if (val != this.$wrapAsCode) {
                this.$wrapAsCode = val;
                if (this.$useWrapMode) {
                    this.$useWrapMode = false;
                    this.setUseWrapMode(true);
                }
            }
        },
        initialValue: "auto"
    },
    indentedSoftWrap: {
        set: function() {
            if (this.$useWrapMode) {
                this.$useWrapMode = false;
                this.setUseWrapMode(true);
            }
        },
        initialValue: true 
    },
    firstLineNumber: {
        set: function() {this._signal("changeBreakpoint");},
        initialValue: 1
    },
    useWorker: {
        set: function(useWorker) {
            this.$useWorker = useWorker;

            this.$stopWorker();
            if (useWorker)
                this.$startWorker();
        },
        initialValue: true
    },
    useSoftTabs: {initialValue: true},
    tabSize: {
        set: function(tabSize) {
            tabSize = parseInt(tabSize);
            if (tabSize > 0 && this.$tabSize !== tabSize) {
                this.$modified = true;
                this.$rowLengthCache = [];
                this.$tabSize = tabSize;
                this._signal("changeTabSize");
            }
        },
        initialValue: 4,
        handlesSet: true
    },
    navigateWithinSoftTabs: {initialValue: false},
    foldStyle: {
        set: function(val) {this.setFoldStyle(val);},
        handlesSet: true
    },
    overwrite: {
        set: function(val) {this._signal("changeOverwrite");},
        initialValue: false
    },
    newLineMode: {
        set: function(val) {this.doc.setNewLineMode(val);},
        get: function() {return this.doc.getNewLineMode();},
        handlesSet: true
    },
    mode: {
        set: function(val) { this.setMode(val); },
        get: function() { return this.$modeId; },
        handlesSet: true
    }
});

exports.EditSession = EditSession;
});

ace.define("ace/search",["require","exports","module","ace/lib/lang","ace/lib/oop","ace/range"], function(require, exports, module) {
"use strict";

var lang = require("./lib/lang");
var oop = require("./lib/oop");
var Range = require("./range").Range;

var Search = function() {
    this.$options = {};
};

(function() {
    this.set = function(options) {
        oop.mixin(this.$options, options);
        return this;
    };
    this.getOptions = function() {
        return lang.copyObject(this.$options);
    };
    this.setOptions = function(options) {
        this.$options = options;
    };
    this.find = function(session) {
        var options = this.$options;
        var iterator = this.$matchIterator(session, options);
        if (!iterator)
            return false;

        var firstRange = null;
        iterator.forEach(function(sr, sc, er, ec) {
            firstRange = new Range(sr, sc, er, ec);
            if (sc == ec && options.start && options.start.start
                && options.skipCurrent != false && firstRange.isEqual(options.start)
            ) {
                firstRange = null;
                return false;
            }
            
            return true;
        });

        return firstRange;
    };
    this.findAll = function(session) {
        var options = this.$options;
        if (!options.needle)
            return [];
        this.$assembleRegExp(options);

        var range = options.range;
        var lines = range
            ? session.getLines(range.start.row, range.end.row)
            : session.doc.getAllLines();

        var ranges = [];
        var re = options.re;
        if (options.$isMultiLine) {
            var len = re.length;
            var maxRow = lines.length - len;
            var prevRange;
            outer: for (var row = re.offset || 0; row <= maxRow; row++) {
                for (var j = 0; j < len; j++)
                    if (lines[row + j].search(re[j]) == -1)
                        continue outer;
                
                var startLine = lines[row];
                var line = lines[row + len - 1];
                var startIndex = startLine.length - startLine.match(re[0])[0].length;
                var endIndex = line.match(re[len - 1])[0].length;
                
                if (prevRange && prevRange.end.row === row &&
                    prevRange.end.column > startIndex
                ) {
                    continue;
                }
                ranges.push(prevRange = new Range(
                    row, startIndex, row + len - 1, endIndex
                ));
                if (len > 2)
                    row = row + len - 2;
            }
        } else {
            for (var i = 0; i < lines.length; i++) {
                var matches = lang.getMatchOffsets(lines[i], re);
                for (var j = 0; j < matches.length; j++) {
                    var match = matches[j];
                    ranges.push(new Range(i, match.offset, i, match.offset + match.length));
                }
            }
        }

        if (range) {
            var startColumn = range.start.column;
            var endColumn = range.start.column;
            var i = 0, j = ranges.length - 1;
            while (i < j && ranges[i].start.column < startColumn && ranges[i].start.row == range.start.row)
                i++;

            while (i < j && ranges[j].end.column > endColumn && ranges[j].end.row == range.end.row)
                j--;
            
            ranges = ranges.slice(i, j + 1);
            for (i = 0, j = ranges.length; i < j; i++) {
                ranges[i].start.row += range.start.row;
                ranges[i].end.row += range.start.row;
            }
        }

        return ranges;
    };
    this.replace = function(input, replacement) {
        var options = this.$options;

        var re = this.$assembleRegExp(options);
        if (options.$isMultiLine)
            return replacement;

        if (!re)
            return;

        var match = re.exec(input);
        if (!match || match[0].length != input.length)
            return null;
        
        replacement = input.replace(re, replacement);
        if (options.preserveCase) {
            replacement = replacement.split("");
            for (var i = Math.min(input.length, input.length); i--; ) {
                var ch = input[i];
                if (ch && ch.toLowerCase() != ch)
                    replacement[i] = replacement[i].toUpperCase();
                else
                    replacement[i] = replacement[i].toLowerCase();
            }
            replacement = replacement.join("");
        }
        
        return replacement;
    };

    this.$assembleRegExp = function(options, $disableFakeMultiline) {
        if (options.needle instanceof RegExp)
            return options.re = options.needle;

        var needle = options.needle;

        if (!options.needle)
            return options.re = false;

        if (!options.regExp)
            needle = lang.escapeRegExp(needle);

        if (options.wholeWord)
            needle = addWordBoundary(needle, options);

        var modifier = options.caseSensitive ? "gm" : "gmi";

        options.$isMultiLine = !$disableFakeMultiline && /[\n\r]/.test(needle);
        if (options.$isMultiLine)
            return options.re = this.$assembleMultilineRegExp(needle, modifier);

        try {
            var re = new RegExp(needle, modifier);
        } catch(e) {
            re = false;
        }
        return options.re = re;
    };

    this.$assembleMultilineRegExp = function(needle, modifier) {
        var parts = needle.replace(/\r\n|\r|\n/g, "$\n^").split("\n");
        var re = [];
        for (var i = 0; i < parts.length; i++) try {
            re.push(new RegExp(parts[i], modifier));
        } catch(e) {
            return false;
        }
        return re;
    };

    this.$matchIterator = function(session, options) {
        var re = this.$assembleRegExp(options);
        if (!re)
            return false;
        var backwards = options.backwards == true;
        var skipCurrent = options.skipCurrent != false;

        var range = options.range;
        var start = options.start;
        if (!start)
            start = range ? range[backwards ? "end" : "start"] : session.selection.getRange();
         
        if (start.start)
            start = start[skipCurrent != backwards ? "end" : "start"];

        var firstRow = range ? range.start.row : 0;
        var lastRow = range ? range.end.row : session.getLength() - 1;
        
        if (backwards) {
            var forEach = function(callback) {
                var row = start.row;
                if (forEachInLine(row, start.column, callback))
                    return;
                for (row--; row >= firstRow; row--)
                    if (forEachInLine(row, Number.MAX_VALUE, callback))
                        return;
                if (options.wrap == false)
                    return;
                for (row = lastRow, firstRow = start.row; row >= firstRow; row--)
                    if (forEachInLine(row, Number.MAX_VALUE, callback))
                        return;
            };
        }
        else {
            var forEach = function(callback) {
                var row = start.row;
                if (forEachInLine(row, start.column, callback))
                    return;
                for (row = row + 1; row <= lastRow; row++)
                    if (forEachInLine(row, 0, callback))
                        return;
                if (options.wrap == false)
                    return;
                for (row = firstRow, lastRow = start.row; row <= lastRow; row++)
                    if (forEachInLine(row, 0, callback))
                        return;
            };
        }
        
        if (options.$isMultiLine) {
            var len = re.length;
            var forEachInLine = function(row, offset, callback) {
                var startRow = backwards ? row - len + 1 : row;
                if (startRow < 0 || startRow + len > session.getLength()) return;
                var line = session.getLine(startRow);
                var startIndex = line.search(re[0]);
                if (!backwards && startIndex < offset || startIndex === -1) return;
                for (var i = 1; i < len; i++) {
                    line = session.getLine(startRow + i);
                    if (line.search(re[i]) == -1)
                        return;
                }
                var endIndex = line.match(re[len - 1])[0].length;
                if (backwards && endIndex > offset) return;
                if (callback(startRow, startIndex, startRow + len - 1, endIndex))
                    return true;
            };
        }
        else if (backwards) {
            var forEachInLine = function(row, endIndex, callback) {
                var line = session.getLine(row);
                var matches = [];
                var m, last = 0;
                re.lastIndex = 0;
                while((m = re.exec(line))) {
                    var length = m[0].length;
                    last = m.index;
                    if (!length) {
                        if (last >= line.length) break;
                        re.lastIndex = last += 1;
                    }
                    if (m.index + length > endIndex)
                        break;
                    matches.push(m.index, length);
                }
                for (var i = matches.length - 1; i >= 0; i -= 2) {
                    var column = matches[i - 1];
                    var length = matches[i];
                    if (callback(row, column, row, column + length))
                        return true;
                }
            };
        }
        else {
            var forEachInLine = function(row, startIndex, callback) {
                var line = session.getLine(row);
                var last;
                var m;
                re.lastIndex = startIndex;
                while((m = re.exec(line))) {
                    var length = m[0].length;
                    last = m.index;
                    if (callback(row, last, row,last + length))
                        return true;
                    if (!length) {
                        re.lastIndex = last += 1;
                        if (last >= line.length) return false;
                    }
                }
            };
        }
        return {forEach: forEach};
    };

}).call(Search.prototype);

function addWordBoundary(needle, options) {
    function wordBoundary(c) {
        if (/\w/.test(c) || options.regExp) return "\\b";
        return "";
    }
    return wordBoundary(needle[0]) + needle
        + wordBoundary(needle[needle.length - 1]);
}

exports.Search = Search;
});

ace.define("ace/keyboard/hash_handler",["require","exports","module","ace/lib/keys","ace/lib/useragent"], function(require, exports, module) {
"use strict";

var keyUtil = require("../lib/keys");
var useragent = require("../lib/useragent");
var KEY_MODS = keyUtil.KEY_MODS;

function HashHandler(config, platform) {
    this.platform = platform || (useragent.isMac ? "mac" : "win");
    this.commands = {};
    this.commandKeyBinding = {};
    this.addCommands(config);
    this.$singleCommand = true;
}

function MultiHashHandler(config, platform) {
    HashHandler.call(this, config, platform);
    this.$singleCommand = false;
}

MultiHashHandler.prototype = HashHandler.prototype;

(function() {
    

    this.addCommand = function(command) {
        if (this.commands[command.name])
            this.removeCommand(command);

        this.commands[command.name] = command;

        if (command.bindKey)
            this._buildKeyHash(command);
    };

    this.removeCommand = function(command, keepCommand) {
        var name = command && (typeof command === 'string' ? command : command.name);
        command = this.commands[name];
        if (!keepCommand)
            delete this.commands[name];
        var ckb = this.commandKeyBinding;
        for (var keyId in ckb) {
            var cmdGroup = ckb[keyId];
            if (cmdGroup == command) {
                delete ckb[keyId];
            } else if (Array.isArray(cmdGroup)) {
                var i = cmdGroup.indexOf(command);
                if (i != -1) {
                    cmdGroup.splice(i, 1);
                    if (cmdGroup.length == 1)
                        ckb[keyId] = cmdGroup[0];
                }
            }
        }
    };

    this.bindKey = function(key, command, position) {
        if (typeof key == "object" && key) {
            if (position == undefined)
                position = key.position;
            key = key[this.platform];
        }
        if (!key)
            return;
        if (typeof command == "function")
            return this.addCommand({exec: command, bindKey: key, name: command.name || key});
        
        key.split("|").forEach(function(keyPart) {
            var chain = "";
            if (keyPart.indexOf(" ") != -1) {
                var parts = keyPart.split(/\s+/);
                keyPart = parts.pop();
                parts.forEach(function(keyPart) {
                    var binding = this.parseKeys(keyPart);
                    var id = KEY_MODS[binding.hashId] + binding.key;
                    chain += (chain ? " " : "") + id;
                    this._addCommandToBinding(chain, "chainKeys");
                }, this);
                chain += " ";
            }
            var binding = this.parseKeys(keyPart);
            var id = KEY_MODS[binding.hashId] + binding.key;
            this._addCommandToBinding(chain + id, command, position);
        }, this);
    };
    
    function getPosition(command) {
        return typeof command == "object" && command.bindKey
            && command.bindKey.position 
            || (command.isDefault ? -100 : 0);
    }
    this._addCommandToBinding = function(keyId, command, position) {
        var ckb = this.commandKeyBinding, i;
        if (!command) {
            delete ckb[keyId];
        } else if (!ckb[keyId] || this.$singleCommand) {
            ckb[keyId] = command;
        } else {
            if (!Array.isArray(ckb[keyId])) {
                ckb[keyId] = [ckb[keyId]];
            } else if ((i = ckb[keyId].indexOf(command)) != -1) {
                ckb[keyId].splice(i, 1);
            }
            
            if (typeof position != "number") {
                position = getPosition(command);
            }

            var commands = ckb[keyId];
            for (i = 0; i < commands.length; i++) {
                var other = commands[i];
                var otherPos = getPosition(other);
                if (otherPos > position)
                    break;
            }
            commands.splice(i, 0, command);
        }
    };

    this.addCommands = function(commands) {
        commands && Object.keys(commands).forEach(function(name) {
            var command = commands[name];
            if (!command)
                return;
            
            if (typeof command === "string")
                return this.bindKey(command, name);

            if (typeof command === "function")
                command = { exec: command };

            if (typeof command !== "object")
                return;

            if (!command.name)
                command.name = name;

            this.addCommand(command);
        }, this);
    };

    this.removeCommands = function(commands) {
        Object.keys(commands).forEach(function(name) {
            this.removeCommand(commands[name]);
        }, this);
    };

    this.bindKeys = function(keyList) {
        Object.keys(keyList).forEach(function(key) {
            this.bindKey(key, keyList[key]);
        }, this);
    };

    this._buildKeyHash = function(command) {
        this.bindKey(command.bindKey, command);
    };
    this.parseKeys = function(keys) {
        var parts = keys.toLowerCase().split(/[\-\+]([\-\+])?/).filter(function(x){return x;});
        var key = parts.pop();

        var keyCode = keyUtil[key];
        if (keyUtil.FUNCTION_KEYS[keyCode])
            key = keyUtil.FUNCTION_KEYS[keyCode].toLowerCase();
        else if (!parts.length)
            return {key: key, hashId: -1};
        else if (parts.length == 1 && parts[0] == "shift")
            return {key: key.toUpperCase(), hashId: -1};

        var hashId = 0;
        for (var i = parts.length; i--;) {
            var modifier = keyUtil.KEY_MODS[parts[i]];
            if (modifier == null) {
                if (typeof console != "undefined")
                    console.error("invalid modifier " + parts[i] + " in " + keys);
                return false;
            }
            hashId |= modifier;
        }
        return {key: key, hashId: hashId};
    };

    this.findKeyCommand = function findKeyCommand(hashId, keyString) {
        var key = KEY_MODS[hashId] + keyString;
        return this.commandKeyBinding[key];
    };

    this.handleKeyboard = function(data, hashId, keyString, keyCode) {
        if (keyCode < 0) return;
        var key = KEY_MODS[hashId] + keyString;
        var command = this.commandKeyBinding[key];
        if (data.$keyChain) {
            data.$keyChain += " " + key;
            command = this.commandKeyBinding[data.$keyChain] || command;
        }
        
        if (command) {
            if (command == "chainKeys" || command[command.length - 1] == "chainKeys") {
                data.$keyChain = data.$keyChain || key;
                return {command: "null"};
            }
        }
        
        if (data.$keyChain) {
            if ((!hashId || hashId == 4) && keyString.length == 1)
                data.$keyChain = data.$keyChain.slice(0, -key.length - 1); // wait for input
            else if (hashId == -1 || keyCode > 0)
                data.$keyChain = ""; // reset keyChain
        }
        return {command: command};
    };
    
    this.getStatusText = function(editor, data) {
        return data.$keyChain || "";
    };

}).call(HashHandler.prototype);

exports.HashHandler = HashHandler;
exports.MultiHashHandler = MultiHashHandler;
});

ace.define("ace/commands/command_manager",["require","exports","module","ace/lib/oop","ace/keyboard/hash_handler","ace/lib/event_emitter"], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var MultiHashHandler = require("../keyboard/hash_handler").MultiHashHandler;
var EventEmitter = require("../lib/event_emitter").EventEmitter;

var CommandManager = function(platform, commands) {
    MultiHashHandler.call(this, commands, platform);
    this.byName = this.commands;
    this.setDefaultHandler("exec", function(e) {
        if (!e.args) {
            return e.command.exec(e.editor, {}, e.event, true);
        }
        return e.command.exec(e.editor, e.args, e.event, false);
    });
};

oop.inherits(CommandManager, MultiHashHandler);

(function() {

    oop.implement(this, EventEmitter);

    this.exec = function(command, editor, args) {
        if (Array.isArray(command)) {
            for (var i = command.length; i--; ) {
                if (this.exec(command[i], editor, args)) return true;
            }
            return false;
        }

        if (typeof command === "string")
            command = this.commands[command];

        if (!command)
            return false;

        if (editor && editor.$readOnly && !command.readOnly)
            return false;

        if (this.$checkCommandState != false && command.isAvailable && !command.isAvailable(editor))
            return false;

        var e = {editor: editor, command: command, args: args};
        e.returnValue = this._emit("exec", e);
        this._signal("afterExec", e);

        return e.returnValue === false ? false : true;
    };

    this.toggleRecording = function(editor) {
        if (this.$inReplay)
            return;

        editor && editor._emit("changeStatus");
        if (this.recording) {
            this.macro.pop();
            this.off("exec", this.$addCommandToMacro);

            if (!this.macro.length)
                this.macro = this.oldMacro;

            return this.recording = false;
        }
        if (!this.$addCommandToMacro) {
            this.$addCommandToMacro = function(e) {
                this.macro.push([e.command, e.args]);
            }.bind(this);
        }

        this.oldMacro = this.macro;
        this.macro = [];
        this.on("exec", this.$addCommandToMacro);
        return this.recording = true;
    };

    this.replay = function(editor) {
        if (this.$inReplay || !this.macro)
            return;

        if (this.recording)
            return this.toggleRecording(editor);

        try {
            this.$inReplay = true;
            this.macro.forEach(function(x) {
                if (typeof x == "string")
                    this.exec(x, editor);
                else
                    this.exec(x[0], editor, x[1]);
            }, this);
        } finally {
            this.$inReplay = false;
        }
    };

    this.trimMacro = function(m) {
        return m.map(function(x){
            if (typeof x[0] != "string")
                x[0] = x[0].name;
            if (!x[1])
                x = x[0];
            return x;
        });
    };

}).call(CommandManager.prototype);

exports.CommandManager = CommandManager;

});

ace.define("ace/commands/default_commands",["require","exports","module","ace/lib/lang","ace/config","ace/range"], function(require, exports, module) {
"use strict";

var lang = require("../lib/lang");
var config = require("../config");
var Range = require("../range").Range;

function bindKey(win, mac) {
    return {win: win, mac: mac};
}
exports.commands = [{
    name: "showSettingsMenu",
    description: "Show settings menu",
    bindKey: bindKey("Ctrl-,", "Command-,"),
    exec: function(editor) {
        config.loadModule("ace/ext/settings_menu", function(module) {
            module.init(editor);
            editor.showSettingsMenu();
        });
    },
    readOnly: true
}, {
    name: "goToNextError",
    description: "Go to next error",
    bindKey: bindKey("Alt-E", "F4"),
    exec: function(editor) {
        config.loadModule("./ext/error_marker", function(module) {
            module.showErrorMarker(editor, 1);
        });
    },
    scrollIntoView: "animate",
    readOnly: true
}, {
    name: "goToPreviousError",
    description: "Go to previous error",
    bindKey: bindKey("Alt-Shift-E", "Shift-F4"),
    exec: function(editor) {
        config.loadModule("./ext/error_marker", function(module) {
            module.showErrorMarker(editor, -1);
        });
    },
    scrollIntoView: "animate",
    readOnly: true
}, {
    name: "selectall",
    description: "Select all",
    bindKey: bindKey("Ctrl-A", "Command-A"),
    exec: function(editor) { editor.selectAll(); },
    readOnly: true
}, {
    name: "centerselection",
    description: "Center selection",
    bindKey: bindKey(null, "Ctrl-L"),
    exec: function(editor) { editor.centerSelection(); },
    readOnly: true
}, {
    name: "gotoline",
    description: "Go to line...",
    bindKey: bindKey("Ctrl-L", "Command-L"),
    exec: function(editor, line) {
        if (typeof line === "number" && !isNaN(line))
            editor.gotoLine(line);
        editor.prompt({ $type: "gotoLine" });
    },
    readOnly: true
}, {
    name: "fold",
    bindKey: bindKey("Alt-L|Ctrl-F1", "Command-Alt-L|Command-F1"),
    exec: function(editor) { editor.session.toggleFold(false); },
    multiSelectAction: "forEach",
    scrollIntoView: "center",
    readOnly: true
}, {
    name: "unfold",
    bindKey: bindKey("Alt-Shift-L|Ctrl-Shift-F1", "Command-Alt-Shift-L|Command-Shift-F1"),
    exec: function(editor) { editor.session.toggleFold(true); },
    multiSelectAction: "forEach",
    scrollIntoView: "center",
    readOnly: true
}, {
    name: "toggleFoldWidget",
    description: "Toggle fold widget",
    bindKey: bindKey("F2", "F2"),
    exec: function(editor) { editor.session.toggleFoldWidget(); },
    multiSelectAction: "forEach",
    scrollIntoView: "center",
    readOnly: true
}, {
    name: "toggleParentFoldWidget",
    description: "Toggle parent fold widget",
    bindKey: bindKey("Alt-F2", "Alt-F2"),
    exec: function(editor) { editor.session.toggleFoldWidget(true); },
    multiSelectAction: "forEach",
    scrollIntoView: "center",
    readOnly: true
}, {
    name: "foldall",
    description: "Fold all",
    bindKey: bindKey(null, "Ctrl-Command-Option-0"),
    exec: function(editor) { editor.session.foldAll(); },
    scrollIntoView: "center",
    readOnly: true
}, {
    name: "foldAllComments",
    description: "Fold all comments",
    bindKey: bindKey(null, "Ctrl-Command-Option-0"),
    exec: function(editor) { editor.session.foldAllComments(); },
    scrollIntoView: "center",
    readOnly: true
}, {
    name: "foldOther",
    description: "Fold other",
    bindKey: bindKey("Alt-0", "Command-Option-0"),
    exec: function(editor) { 
        editor.session.foldAll();
        editor.session.unfold(editor.selection.getAllRanges());
    },
    scrollIntoView: "center",
    readOnly: true
}, {
    name: "unfoldall",
    description: "Unfold all",
    bindKey: bindKey("Alt-Shift-0", "Command-Option-Shift-0"),
    exec: function(editor) { editor.session.unfold(); },
    scrollIntoView: "center",
    readOnly: true
}, {
    name: "findnext",
    description: "Find next",
    bindKey: bindKey("Ctrl-K", "Command-G"),
    exec: function(editor) { editor.findNext(); },
    multiSelectAction: "forEach",
    scrollIntoView: "center",
    readOnly: true
}, {
    name: "findprevious",
    description: "Find previous",
    bindKey: bindKey("Ctrl-Shift-K", "Command-Shift-G"),
    exec: function(editor) { editor.findPrevious(); },
    multiSelectAction: "forEach",
    scrollIntoView: "center",
    readOnly: true
}, {
    name: "selectOrFindNext",
    description: "Select or find next",
    bindKey: bindKey("Alt-K", "Ctrl-G"),
    exec: function(editor) {
        if (editor.selection.isEmpty())
            editor.selection.selectWord();
        else
            editor.findNext(); 
    },
    readOnly: true
}, {
    name: "selectOrFindPrevious",
    description: "Select or find previous",
    bindKey: bindKey("Alt-Shift-K", "Ctrl-Shift-G"),
    exec: function(editor) { 
        if (editor.selection.isEmpty())
            editor.selection.selectWord();
        else
            editor.findPrevious();
    },
    readOnly: true
}, {
    name: "find",
    description: "Find",
    bindKey: bindKey("Ctrl-F", "Command-F"),
    exec: function(editor) {
        config.loadModule("ace/ext/searchbox", function(e) {e.Search(editor);});
    },
    readOnly: true
}, {
    name: "overwrite",
    description: "Overwrite",
    bindKey: "Insert",
    exec: function(editor) { editor.toggleOverwrite(); },
    readOnly: true
}, {
    name: "selecttostart",
    description: "Select to start",
    bindKey: bindKey("Ctrl-Shift-Home", "Command-Shift-Home|Command-Shift-Up"),
    exec: function(editor) { editor.getSelection().selectFileStart(); },
    multiSelectAction: "forEach",
    readOnly: true,
    scrollIntoView: "animate",
    aceCommandGroup: "fileJump"
}, {
    name: "gotostart",
    description: "Go to start",
    bindKey: bindKey("Ctrl-Home", "Command-Home|Command-Up"),
    exec: function(editor) { editor.navigateFileStart(); },
    multiSelectAction: "forEach",
    readOnly: true,
    scrollIntoView: "animate",
    aceCommandGroup: "fileJump"
}, {
    name: "selectup",
    description: "Select up",
    bindKey: bindKey("Shift-Up", "Shift-Up|Ctrl-Shift-P"),
    exec: function(editor) { editor.getSelection().selectUp(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "golineup",
    description: "Go line up",
    bindKey: bindKey("Up", "Up|Ctrl-P"),
    exec: function(editor, args) { editor.navigateUp(args.times); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selecttoend",
    description: "Select to end",
    bindKey: bindKey("Ctrl-Shift-End", "Command-Shift-End|Command-Shift-Down"),
    exec: function(editor) { editor.getSelection().selectFileEnd(); },
    multiSelectAction: "forEach",
    readOnly: true,
    scrollIntoView: "animate",
    aceCommandGroup: "fileJump"
}, {
    name: "gotoend",
    description: "Go to end",
    bindKey: bindKey("Ctrl-End", "Command-End|Command-Down"),
    exec: function(editor) { editor.navigateFileEnd(); },
    multiSelectAction: "forEach",
    readOnly: true,
    scrollIntoView: "animate",
    aceCommandGroup: "fileJump"
}, {
    name: "selectdown",
    description: "Select down",
    bindKey: bindKey("Shift-Down", "Shift-Down|Ctrl-Shift-N"),
    exec: function(editor) { editor.getSelection().selectDown(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "golinedown",
    description: "Go line down",
    bindKey: bindKey("Down", "Down|Ctrl-N"),
    exec: function(editor, args) { editor.navigateDown(args.times); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selectwordleft",
    description: "Select word left",
    bindKey: bindKey("Ctrl-Shift-Left", "Option-Shift-Left"),
    exec: function(editor) { editor.getSelection().selectWordLeft(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "gotowordleft",
    description: "Go to word left",
    bindKey: bindKey("Ctrl-Left", "Option-Left"),
    exec: function(editor) { editor.navigateWordLeft(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selecttolinestart",
    description: "Select to line start",
    bindKey: bindKey("Alt-Shift-Left", "Command-Shift-Left|Ctrl-Shift-A"),
    exec: function(editor) { editor.getSelection().selectLineStart(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "gotolinestart",
    description: "Go to line start",
    bindKey: bindKey("Alt-Left|Home", "Command-Left|Home|Ctrl-A"),
    exec: function(editor) { editor.navigateLineStart(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selectleft",
    description: "Select left",
    bindKey: bindKey("Shift-Left", "Shift-Left|Ctrl-Shift-B"),
    exec: function(editor) { editor.getSelection().selectLeft(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "gotoleft",
    description: "Go to left",
    bindKey: bindKey("Left", "Left|Ctrl-B"),
    exec: function(editor, args) { editor.navigateLeft(args.times); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selectwordright",
    description: "Select word right",
    bindKey: bindKey("Ctrl-Shift-Right", "Option-Shift-Right"),
    exec: function(editor) { editor.getSelection().selectWordRight(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "gotowordright",
    description: "Go to word right",
    bindKey: bindKey("Ctrl-Right", "Option-Right"),
    exec: function(editor) { editor.navigateWordRight(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selecttolineend",
    description: "Select to line end",
    bindKey: bindKey("Alt-Shift-Right", "Command-Shift-Right|Shift-End|Ctrl-Shift-E"),
    exec: function(editor) { editor.getSelection().selectLineEnd(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "gotolineend",
    description: "Go to line end",
    bindKey: bindKey("Alt-Right|End", "Command-Right|End|Ctrl-E"),
    exec: function(editor) { editor.navigateLineEnd(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selectright",
    description: "Select right",
    bindKey: bindKey("Shift-Right", "Shift-Right"),
    exec: function(editor) { editor.getSelection().selectRight(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "gotoright",
    description: "Go to right",
    bindKey: bindKey("Right", "Right|Ctrl-F"),
    exec: function(editor, args) { editor.navigateRight(args.times); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selectpagedown",
    description: "Select page down",
    bindKey: "Shift-PageDown",
    exec: function(editor) { editor.selectPageDown(); },
    readOnly: true
}, {
    name: "pagedown",
    description: "Page down",
    bindKey: bindKey(null, "Option-PageDown"),
    exec: function(editor) { editor.scrollPageDown(); },
    readOnly: true
}, {
    name: "gotopagedown",
    description: "Go to page down",
    bindKey: bindKey("PageDown", "PageDown|Ctrl-V"),
    exec: function(editor) { editor.gotoPageDown(); },
    readOnly: true
}, {
    name: "selectpageup",
    description: "Select page up",
    bindKey: "Shift-PageUp",
    exec: function(editor) { editor.selectPageUp(); },
    readOnly: true
}, {
    name: "pageup",
    description: "Page up",
    bindKey: bindKey(null, "Option-PageUp"),
    exec: function(editor) { editor.scrollPageUp(); },
    readOnly: true
}, {
    name: "gotopageup",
    description: "Go to page up",
    bindKey: "PageUp",
    exec: function(editor) { editor.gotoPageUp(); },
    readOnly: true
}, {
    name: "scrollup",
    description: "Scroll up",
    bindKey: bindKey("Ctrl-Up", null),
    exec: function(e) { e.renderer.scrollBy(0, -2 * e.renderer.layerConfig.lineHeight); },
    readOnly: true
}, {
    name: "scrolldown",
    description: "Scroll down",
    bindKey: bindKey("Ctrl-Down", null),
    exec: function(e) { e.renderer.scrollBy(0, 2 * e.renderer.layerConfig.lineHeight); },
    readOnly: true
}, {
    name: "selectlinestart",
    description: "Select line start",
    bindKey: "Shift-Home",
    exec: function(editor) { editor.getSelection().selectLineStart(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selectlineend",
    description: "Select line end",
    bindKey: "Shift-End",
    exec: function(editor) { editor.getSelection().selectLineEnd(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "togglerecording",
    description: "Toggle recording",
    bindKey: bindKey("Ctrl-Alt-E", "Command-Option-E"),
    exec: function(editor) { editor.commands.toggleRecording(editor); },
    readOnly: true
}, {
    name: "replaymacro",
    description: "Replay macro",
    bindKey: bindKey("Ctrl-Shift-E", "Command-Shift-E"),
    exec: function(editor) { editor.commands.replay(editor); },
    readOnly: true
}, {
    name: "jumptomatching",
    description: "Jump to matching",
    bindKey: bindKey("Ctrl-\\|Ctrl-P", "Command-\\"),
    exec: function(editor) { editor.jumpToMatching(); },
    multiSelectAction: "forEach",
    scrollIntoView: "animate",
    readOnly: true
}, {
    name: "selecttomatching",
    description: "Select to matching",
    bindKey: bindKey("Ctrl-Shift-\\|Ctrl-Shift-P", "Command-Shift-\\"),
    exec: function(editor) { editor.jumpToMatching(true); },
    multiSelectAction: "forEach",
    scrollIntoView: "animate",
    readOnly: true
}, {
    name: "expandToMatching",
    description: "Expand to matching",
    bindKey: bindKey("Ctrl-Shift-M", "Ctrl-Shift-M"),
    exec: function(editor) { editor.jumpToMatching(true, true); },
    multiSelectAction: "forEach",
    scrollIntoView: "animate",
    readOnly: true
}, {
    name: "passKeysToBrowser",
    description: "Pass keys to browser",
    bindKey: bindKey(null, null),
    exec: function() {},
    passEvent: true,
    readOnly: true
}, {
    name: "copy",
    description: "Copy",
    exec: function(editor) {
    },
    readOnly: true
},
{
    name: "cut",
    description: "Cut",
    exec: function(editor) {
        var cutLine = editor.$copyWithEmptySelection && editor.selection.isEmpty();
        var range = cutLine ? editor.selection.getLineRange() : editor.selection.getRange();
        editor._emit("cut", range);

        if (!range.isEmpty())
            editor.session.remove(range);
        editor.clearSelection();
    },
    scrollIntoView: "cursor",
    multiSelectAction: "forEach"
}, {
    name: "paste",
    description: "Paste",
    exec: function(editor, args) {
        editor.$handlePaste(args);
    },
    scrollIntoView: "cursor"
}, {
    name: "removeline",
    description: "Remove line",
    bindKey: bindKey("Ctrl-D", "Command-D"),
    exec: function(editor) { editor.removeLines(); },
    scrollIntoView: "cursor",
    multiSelectAction: "forEachLine"
}, {
    name: "duplicateSelection",
    description: "Duplicate selection",
    bindKey: bindKey("Ctrl-Shift-D", "Command-Shift-D"),
    exec: function(editor) { editor.duplicateSelection(); },
    scrollIntoView: "cursor",
    multiSelectAction: "forEach"
}, {
    name: "sortlines",
    description: "Sort lines",
    bindKey: bindKey("Ctrl-Alt-S", "Command-Alt-S"),
    exec: function(editor) { editor.sortLines(); },
    scrollIntoView: "selection",
    multiSelectAction: "forEachLine"
}, {
    name: "togglecomment",
    description: "Toggle comment",
    bindKey: bindKey("Ctrl-/", "Command-/"),
    exec: function(editor) { editor.toggleCommentLines(); },
    multiSelectAction: "forEachLine",
    scrollIntoView: "selectionPart"
}, {
    name: "toggleBlockComment",
    description: "Toggle block comment",
    bindKey: bindKey("Ctrl-Shift-/", "Command-Shift-/"),
    exec: function(editor) { editor.toggleBlockComment(); },
    multiSelectAction: "forEach",
    scrollIntoView: "selectionPart"
}, {
    name: "modifyNumberUp",
    description: "Modify number up",
    bindKey: bindKey("Ctrl-Shift-Up", "Alt-Shift-Up"),
    exec: function(editor) { editor.modifyNumber(1); },
    scrollIntoView: "cursor",
    multiSelectAction: "forEach"
}, {
    name: "modifyNumberDown",
    description: "Modify number down",
    bindKey: bindKey("Ctrl-Shift-Down", "Alt-Shift-Down"),
    exec: function(editor) { editor.modifyNumber(-1); },
    scrollIntoView: "cursor",
    multiSelectAction: "forEach"
}, {
    name: "replace",
    description: "Replace",
    bindKey: bindKey("Ctrl-H", "Command-Option-F"),
    exec: function(editor) {
        config.loadModule("ace/ext/searchbox", function(e) {e.Search(editor, true);});
    }
}, {
    name: "undo",
    description: "Undo",
    bindKey: bindKey("Ctrl-Z", "Command-Z"),
    exec: function(editor) { editor.undo(); }
}, {
    name: "redo",
    description: "Redo",
    bindKey: bindKey("Ctrl-Shift-Z|Ctrl-Y", "Command-Shift-Z|Command-Y"),
    exec: function(editor) { editor.redo(); }
}, {
    name: "copylinesup",
    description: "Copy lines up",
    bindKey: bindKey("Alt-Shift-Up", "Command-Option-Up"),
    exec: function(editor) { editor.copyLinesUp(); },
    scrollIntoView: "cursor"
}, {
    name: "movelinesup",
    description: "Move lines up",
    bindKey: bindKey("Alt-Up", "Option-Up"),
    exec: function(editor) { editor.moveLinesUp(); },
    scrollIntoView: "cursor"
}, {
    name: "copylinesdown",
    description: "Copy lines down",
    bindKey: bindKey("Alt-Shift-Down", "Command-Option-Down"),
    exec: function(editor) { editor.copyLinesDown(); },
    scrollIntoView: "cursor"
}, {
    name: "movelinesdown",
    description: "Move lines down",
    bindKey: bindKey("Alt-Down", "Option-Down"),
    exec: function(editor) { editor.moveLinesDown(); },
    scrollIntoView: "cursor"
}, {
    name: "del",
    description: "Delete",
    bindKey: bindKey("Delete", "Delete|Ctrl-D|Shift-Delete"),
    exec: function(editor) { editor.remove("right"); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "backspace",
    description: "Backspace",
    bindKey: bindKey(
        "Shift-Backspace|Backspace",
        "Ctrl-Backspace|Shift-Backspace|Backspace|Ctrl-H"
    ),
    exec: function(editor) { editor.remove("left"); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "cut_or_delete",
    description: "Cut or delete",
    bindKey: bindKey("Shift-Delete", null),
    exec: function(editor) { 
        if (editor.selection.isEmpty()) {
            editor.remove("left");
        } else {
            return false;
        }
    },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "removetolinestart",
    description: "Remove to line start",
    bindKey: bindKey("Alt-Backspace", "Command-Backspace"),
    exec: function(editor) { editor.removeToLineStart(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "removetolineend",
    description: "Remove to line end",
    bindKey: bindKey("Alt-Delete", "Ctrl-K|Command-Delete"),
    exec: function(editor) { editor.removeToLineEnd(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "removetolinestarthard",
    description: "Remove to line start hard",
    bindKey: bindKey("Ctrl-Shift-Backspace", null),
    exec: function(editor) {
        var range = editor.selection.getRange();
        range.start.column = 0;
        editor.session.remove(range);
    },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "removetolineendhard",
    description: "Remove to line end hard",
    bindKey: bindKey("Ctrl-Shift-Delete", null),
    exec: function(editor) {
        var range = editor.selection.getRange();
        range.end.column = Number.MAX_VALUE;
        editor.session.remove(range);
    },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "removewordleft",
    description: "Remove word left",
    bindKey: bindKey("Ctrl-Backspace", "Alt-Backspace|Ctrl-Alt-Backspace"),
    exec: function(editor) { editor.removeWordLeft(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "removewordright",
    description: "Remove word right",
    bindKey: bindKey("Ctrl-Delete", "Alt-Delete"),
    exec: function(editor) { editor.removeWordRight(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "outdent",
    description: "Outdent",
    bindKey: bindKey("Shift-Tab", "Shift-Tab"),
    exec: function(editor) { editor.blockOutdent(); },
    multiSelectAction: "forEach",
    scrollIntoView: "selectionPart"
}, {
    name: "indent",
    description: "Indent",
    bindKey: bindKey("Tab", "Tab"),
    exec: function(editor) { editor.indent(); },
    multiSelectAction: "forEach",
    scrollIntoView: "selectionPart"
}, {
    name: "blockoutdent",
    description: "Block outdent",
    bindKey: bindKey("Ctrl-[", "Ctrl-["),
    exec: function(editor) { editor.blockOutdent(); },
    multiSelectAction: "forEachLine",
    scrollIntoView: "selectionPart"
}, {
    name: "blockindent",
    description: "Block indent",
    bindKey: bindKey("Ctrl-]", "Ctrl-]"),
    exec: function(editor) { editor.blockIndent(); },
    multiSelectAction: "forEachLine",
    scrollIntoView: "selectionPart"
}, {
    name: "insertstring",
    description: "Insert string",
    exec: function(editor, str) { editor.insert(str); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "inserttext",
    description: "Insert text",
    exec: function(editor, args) {
        editor.insert(lang.stringRepeat(args.text  || "", args.times || 1));
    },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "splitline",
    description: "Split line",
    bindKey: bindKey(null, "Ctrl-O"),
    exec: function(editor) { editor.splitLine(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "transposeletters",
    description: "Transpose letters",
    bindKey: bindKey("Alt-Shift-X", "Ctrl-T"),
    exec: function(editor) { editor.transposeLetters(); },
    multiSelectAction: function(editor) {editor.transposeSelections(1); },
    scrollIntoView: "cursor"
}, {
    name: "touppercase",
    description: "To uppercase",
    bindKey: bindKey("Ctrl-U", "Ctrl-U"),
    exec: function(editor) { editor.toUpperCase(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "tolowercase",
    description: "To lowercase",
    bindKey: bindKey("Ctrl-Shift-U", "Ctrl-Shift-U"),
    exec: function(editor) { editor.toLowerCase(); },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "autoindent",
    description: "Auto Indent",
    bindKey: bindKey(null, null),
    exec: function(editor) { editor.autoIndent(); },
    multiSelectAction: "forEachLine",
    scrollIntoView: "animate"
}, {
    name: "expandtoline",
    description: "Expand to line",
    bindKey: bindKey("Ctrl-Shift-L", "Command-Shift-L"),
    exec: function(editor) {
        var range = editor.selection.getRange();

        range.start.column = range.end.column = 0;
        range.end.row++;
        editor.selection.setRange(range, false);
    },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "joinlines",
    description: "Join lines",
    bindKey: bindKey(null, null),
    exec: function(editor) {
        var isBackwards = editor.selection.isBackwards();
        var selectionStart = isBackwards ? editor.selection.getSelectionLead() : editor.selection.getSelectionAnchor();
        var selectionEnd = isBackwards ? editor.selection.getSelectionAnchor() : editor.selection.getSelectionLead();
        var firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length;
        var selectedText = editor.session.doc.getTextRange(editor.selection.getRange());
        var selectedCount = selectedText.replace(/\n\s*/, " ").length;
        var insertLine = editor.session.doc.getLine(selectionStart.row);

        for (var i = selectionStart.row + 1; i <= selectionEnd.row + 1; i++) {
            var curLine = lang.stringTrimLeft(lang.stringTrimRight(editor.session.doc.getLine(i)));
            if (curLine.length !== 0) {
                curLine = " " + curLine;
            }
            insertLine += curLine;
        }

        if (selectionEnd.row + 1 < (editor.session.doc.getLength() - 1)) {
            insertLine += editor.session.doc.getNewLineCharacter();
        }

        editor.clearSelection();
        editor.session.doc.replace(new Range(selectionStart.row, 0, selectionEnd.row + 2, 0), insertLine);

        if (selectedCount > 0) {
            editor.selection.moveCursorTo(selectionStart.row, selectionStart.column);
            editor.selection.selectTo(selectionStart.row, selectionStart.column + selectedCount);
        } else {
            firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length > firstLineEndCol ? (firstLineEndCol + 1) : firstLineEndCol;
            editor.selection.moveCursorTo(selectionStart.row, firstLineEndCol);
        }
    },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "invertSelection",
    description: "Invert selection",
    bindKey: bindKey(null, null),
    exec: function(editor) {
        var endRow = editor.session.doc.getLength() - 1;
        var endCol = editor.session.doc.getLine(endRow).length;
        var ranges = editor.selection.rangeList.ranges;
        var newRanges = [];
        if (ranges.length < 1) {
            ranges = [editor.selection.getRange()];
        }

        for (var i = 0; i < ranges.length; i++) {
            if (i == (ranges.length - 1)) {
                if (!(ranges[i].end.row === endRow && ranges[i].end.column === endCol)) {
                    newRanges.push(new Range(ranges[i].end.row, ranges[i].end.column, endRow, endCol));
                }
            }

            if (i === 0) {
                if (!(ranges[i].start.row === 0 && ranges[i].start.column === 0)) {
                    newRanges.push(new Range(0, 0, ranges[i].start.row, ranges[i].start.column));
                }
            } else {
                newRanges.push(new Range(ranges[i-1].end.row, ranges[i-1].end.column, ranges[i].start.row, ranges[i].start.column));
            }
        }

        editor.exitMultiSelectMode();
        editor.clearSelection();

        for(var i = 0; i < newRanges.length; i++) {
            editor.selection.addRange(newRanges[i], false);
        }
    },
    readOnly: true,
    scrollIntoView: "none"
}, {
    name: "addLineAfter",
    description: "Add new line after the current line",
    exec: function(editor) {
        editor.selection.clearSelection();
        editor.navigateLineEnd();
        editor.insert("\n");
    },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "addLineBefore",
    description: "Add new line before the current line",
    exec: function(editor) {
        editor.selection.clearSelection();
        var cursor = editor.getCursorPosition();
        editor.selection.moveTo(cursor.row - 1, Number.MAX_VALUE);
        editor.insert("\n");
        if (cursor.row === 0) editor.navigateUp();
    },
    multiSelectAction: "forEach",
    scrollIntoView: "cursor"
}, {
    name: "openCommandPallete",
    description: "Open command pallete",
    bindKey: bindKey("F1", "F1"),
    exec: function(editor) {
        editor.prompt({ $type: "commands" });
    },
    readOnly: true
}, {
    name: "modeSelect",
    description: "Change language mode...",
    bindKey: bindKey(null, null),
    exec: function(editor) {
        editor.prompt({ $type: "modes" });
    },
    readOnly: true
}];

for (var i = 1; i < 9; i++) {
    exports.commands.push({
        name: "foldToLevel" + i,
        description: "Fold To Level " + i,
        level: i,
        exec: function(editor) { editor.session.foldToLevel(this.level); },
        scrollIntoView: "center",
        readOnly: true
    });
}

});

ace.define("ace/editor",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/lib/lang","ace/lib/useragent","ace/keyboard/textinput","ace/mouse/mouse_handler","ace/mouse/fold_handler","ace/keyboard/keybinding","ace/edit_session","ace/search","ace/range","ace/lib/event_emitter","ace/commands/command_manager","ace/commands/default_commands","ace/config","ace/token_iterator","ace/clipboard"], function(require, exports, module) {
"use strict";

var oop = require("./lib/oop");
var dom = require("./lib/dom");
var lang = require("./lib/lang");
var useragent = require("./lib/useragent");
var TextInput = require("./keyboard/textinput").TextInput;
var MouseHandler = require("./mouse/mouse_handler").MouseHandler;
var FoldHandler = require("./mouse/fold_handler").FoldHandler;
var KeyBinding = require("./keyboard/keybinding").KeyBinding;
var EditSession = require("./edit_session").EditSession;
var Search = require("./search").Search;
var Range = require("./range").Range;
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var CommandManager = require("./commands/command_manager").CommandManager;
var defaultCommands = require("./commands/default_commands").commands;
var config = require("./config");
var TokenIterator = require("./token_iterator").TokenIterator;

var clipboard = require("./clipboard");
var Editor = function(renderer, session, options) {
    this.$toDestroy = [];
    var container = renderer.getContainerElement();
    this.container = container;
    this.renderer = renderer;
    this.id = "editor" + (++Editor.$uid);

    this.commands = new CommandManager(useragent.isMac ? "mac" : "win", defaultCommands);
    if (typeof document == "object") {
        this.textInput = new TextInput(renderer.getTextAreaContainer(), this);
        this.renderer.textarea = this.textInput.getElement();
        this.$mouseHandler = new MouseHandler(this);
        new FoldHandler(this);
    }

    this.keyBinding = new KeyBinding(this);

    this.$search = new Search().set({
        wrap: true
    });

    this.$historyTracker = this.$historyTracker.bind(this);
    this.commands.on("exec", this.$historyTracker);

    this.$initOperationListeners();
    
    this._$emitInputEvent = lang.delayedCall(function() {
        this._signal("input", {});
        if (this.session && !this.session.destroyed)
            this.session.bgTokenizer.scheduleStart();
    }.bind(this));
    
    this.on("change", function(_, _self) {
        _self._$emitInputEvent.schedule(31);
    });

    this.setSession(session || options && options.session || new EditSession(""));
    config.resetOptions(this);
    if (options)
        this.setOptions(options);
    config._signal("editor", this);
};

Editor.$uid = 0;

(function(){

    oop.implement(this, EventEmitter);

    this.$initOperationListeners = function() {
        this.commands.on("exec", this.startOperation.bind(this), true);
        this.commands.on("afterExec", this.endOperation.bind(this), true);

        this.$opResetTimer = lang.delayedCall(this.endOperation.bind(this, true));
        this.on("change", function() {
            if (!this.curOp) {
                this.startOperation();
                this.curOp.selectionBefore = this.$lastSel;
            }
            this.curOp.docChanged = true;
        }.bind(this), true);
        
        this.on("changeSelection", function() {
            if (!this.curOp) {
                this.startOperation();
                this.curOp.selectionBefore = this.$lastSel;
            }
            this.curOp.selectionChanged = true;
        }.bind(this), true);
    };

    this.curOp = null;
    this.prevOp = {};
    this.startOperation = function(commandEvent) {
        if (this.curOp) {
            if (!commandEvent || this.curOp.command)
                return;
            this.prevOp = this.curOp;
        }
        if (!commandEvent) {
            this.previousCommand = null;
            commandEvent = {};
        }

        this.$opResetTimer.schedule();
        this.curOp = this.session.curOp = {
            command: commandEvent.command || {},
            args: commandEvent.args,
            scrollTop: this.renderer.scrollTop
        };
        this.curOp.selectionBefore = this.selection.toJSON();
    };

    this.endOperation = function(e) {
        if (this.curOp && this.session) {
            if (e && e.returnValue === false || !this.session)
                return (this.curOp = null);
            if (e == true && this.curOp.command && this.curOp.command.name == "mouse")
                return;
            this._signal("beforeEndOperation");
            if (!this.curOp) return;
            var command = this.curOp.command;
            var scrollIntoView = command && command.scrollIntoView;
            if (scrollIntoView) {
                switch (scrollIntoView) {
                    case "center-animate":
                        scrollIntoView = "animate";
                    case "center":
                        this.renderer.scrollCursorIntoView(null, 0.5);
                        break;
                    case "animate":
                    case "cursor":
                        this.renderer.scrollCursorIntoView();
                        break;
                    case "selectionPart":
                        var range = this.selection.getRange();
                        var config = this.renderer.layerConfig;
                        if (range.start.row >= config.lastRow || range.end.row <= config.firstRow) {
                            this.renderer.scrollSelectionIntoView(this.selection.anchor, this.selection.lead);
                        }
                        break;
                    default:
                        break;
                }
                if (scrollIntoView == "animate")
                    this.renderer.animateScrolling(this.curOp.scrollTop);
            }
            var sel = this.selection.toJSON();
            this.curOp.selectionAfter = sel;
            this.$lastSel = this.selection.toJSON();
            this.session.getUndoManager().addSelection(sel);
            this.prevOp = this.curOp;
            this.curOp = null;
        }
    };
    this.$mergeableCommands = ["backspace", "del", "insertstring"];
    this.$historyTracker = function(e) {
        if (!this.$mergeUndoDeltas)
            return;

        var prev = this.prevOp;
        var mergeableCommands = this.$mergeableCommands;
        var shouldMerge = prev.command && (e.command.name == prev.command.name);
        if (e.command.name == "insertstring") {
            var text = e.args;
            if (this.mergeNextCommand === undefined)
                this.mergeNextCommand = true;

            shouldMerge = shouldMerge
                && this.mergeNextCommand // previous command allows to coalesce with
                && (!/\s/.test(text) || /\s/.test(prev.args)); // previous insertion was of same type

            this.mergeNextCommand = true;
        } else {
            shouldMerge = shouldMerge
                && mergeableCommands.indexOf(e.command.name) !== -1; // the command is mergeable
        }

        if (
            this.$mergeUndoDeltas != "always"
            && Date.now() - this.sequenceStartTime > 2000
        ) {
            shouldMerge = false; // the sequence is too long
        }

        if (shouldMerge)
            this.session.mergeUndoDeltas = true;
        else if (mergeableCommands.indexOf(e.command.name) !== -1)
            this.sequenceStartTime = Date.now();
    };
    this.setKeyboardHandler = function(keyboardHandler, cb) {
        if (keyboardHandler && typeof keyboardHandler === "string" && keyboardHandler != "ace") {
            this.$keybindingId = keyboardHandler;
            var _self = this;
            config.loadModule(["keybinding", keyboardHandler], function(module) {
                if (_self.$keybindingId == keyboardHandler)
                    _self.keyBinding.setKeyboardHandler(module && module.handler);
                cb && cb();
            });
        } else {
            this.$keybindingId = null;
            this.keyBinding.setKeyboardHandler(keyboardHandler);
            cb && cb();
        }
    };
    this.getKeyboardHandler = function() {
        return this.keyBinding.getKeyboardHandler();
    };
    this.setSession = function(session) {
        if (this.session == session)
            return;
        if (this.curOp) this.endOperation();
        this.curOp = {};

        var oldSession = this.session;
        if (oldSession) {
            this.session.off("change", this.$onDocumentChange);
            this.session.off("changeMode", this.$onChangeMode);
            this.session.off("tokenizerUpdate", this.$onTokenizerUpdate);
            this.session.off("changeTabSize", this.$onChangeTabSize);
            this.session.off("changeWrapLimit", this.$onChangeWrapLimit);
            this.session.off("changeWrapMode", this.$onChangeWrapMode);
            this.session.off("changeFold", this.$onChangeFold);
            this.session.off("changeFrontMarker", this.$onChangeFrontMarker);
            this.session.off("changeBackMarker", this.$onChangeBackMarker);
            this.session.off("changeBreakpoint", this.$onChangeBreakpoint);
            this.session.off("changeAnnotation", this.$onChangeAnnotation);
            this.session.off("changeOverwrite", this.$onCursorChange);
            this.session.off("changeScrollTop", this.$onScrollTopChange);
            this.session.off("changeScrollLeft", this.$onScrollLeftChange);

            var selection = this.session.getSelection();
            selection.off("changeCursor", this.$onCursorChange);
            selection.off("changeSelection", this.$onSelectionChange);
        }

        this.session = session;
        if (session) {
            this.$onDocumentChange = this.onDocumentChange.bind(this);
            session.on("change", this.$onDocumentChange);
            this.renderer.setSession(session);
    
            this.$onChangeMode = this.onChangeMode.bind(this);
            session.on("changeMode", this.$onChangeMode);
    
            this.$onTokenizerUpdate = this.onTokenizerUpdate.bind(this);
            session.on("tokenizerUpdate", this.$onTokenizerUpdate);
    
            this.$onChangeTabSize = this.renderer.onChangeTabSize.bind(this.renderer);
            session.on("changeTabSize", this.$onChangeTabSize);
    
            this.$onChangeWrapLimit = this.onChangeWrapLimit.bind(this);
            session.on("changeWrapLimit", this.$onChangeWrapLimit);
    
            this.$onChangeWrapMode = this.onChangeWrapMode.bind(this);
            session.on("changeWrapMode", this.$onChangeWrapMode);
    
            this.$onChangeFold = this.onChangeFold.bind(this);
            session.on("changeFold", this.$onChangeFold);
    
            this.$onChangeFrontMarker = this.onChangeFrontMarker.bind(this);
            this.session.on("changeFrontMarker", this.$onChangeFrontMarker);
    
            this.$onChangeBackMarker = this.onChangeBackMarker.bind(this);
            this.session.on("changeBackMarker", this.$onChangeBackMarker);
    
            this.$onChangeBreakpoint = this.onChangeBreakpoint.bind(this);
            this.session.on("changeBreakpoint", this.$onChangeBreakpoint);
    
            this.$onChangeAnnotation = this.onChangeAnnotation.bind(this);
            this.session.on("changeAnnotation", this.$onChangeAnnotation);
    
            this.$onCursorChange = this.onCursorChange.bind(this);
            this.session.on("changeOverwrite", this.$onCursorChange);
    
            this.$onScrollTopChange = this.onScrollTopChange.bind(this);
            this.session.on("changeScrollTop", this.$onScrollTopChange);
    
            this.$onScrollLeftChange = this.onScrollLeftChange.bind(this);
            this.session.on("changeScrollLeft", this.$onScrollLeftChange);
    
            this.selection = session.getSelection();
            this.selection.on("changeCursor", this.$onCursorChange);
    
            this.$onSelectionChange = this.onSelectionChange.bind(this);
            this.selection.on("changeSelection", this.$onSelectionChange);
    
            this.onChangeMode();
    
            this.onCursorChange();
    
            this.onScrollTopChange();
            this.onScrollLeftChange();
            this.onSelectionChange();
            this.onChangeFrontMarker();
            this.onChangeBackMarker();
            this.onChangeBreakpoint();
            this.onChangeAnnotation();
            this.session.getUseWrapMode() && this.renderer.adjustWrapLimit();
            this.renderer.updateFull();
        } else {
            this.selection = null;
            this.renderer.setSession(session);
        }

        this._signal("changeSession", {
            session: session,
            oldSession: oldSession
        });
        
        this.curOp = null;
        
        oldSession && oldSession._signal("changeEditor", {oldEditor: this});
        session && session._signal("changeEditor", {editor: this});
        
        if (session && !session.destroyed)
            session.bgTokenizer.scheduleStart();
    };
    this.getSession = function() {
        return this.session;
    };
    this.setValue = function(val, cursorPos) {
        this.session.doc.setValue(val);

        if (!cursorPos)
            this.selectAll();
        else if (cursorPos == 1)
            this.navigateFileEnd();
        else if (cursorPos == -1)
            this.navigateFileStart();

        return val;
    };
    this.getValue = function() {
        return this.session.getValue();
    };
    this.getSelection = function() {
        return this.selection;
    };
    this.resize = function(force) {
        this.renderer.onResize(force);
    };
    this.setTheme = function(theme, cb) {
        this.renderer.setTheme(theme, cb);
    };
    this.getTheme = function() {
        return this.renderer.getTheme();
    };
    this.setStyle = function(style) {
        this.renderer.setStyle(style);
    };
    this.unsetStyle = function(style) {
        this.renderer.unsetStyle(style);
    };
    this.getFontSize = function () {
        return this.getOption("fontSize") ||
           dom.computedStyle(this.container).fontSize;
    };
    this.setFontSize = function(size) {
        this.setOption("fontSize", size);
    };

    this.$highlightBrackets = function() {
        if (this.$highlightPending) {
            return;
        }
        var self = this;
        this.$highlightPending = true;
        setTimeout(function () {
            self.$highlightPending = false;
            var session = self.session;
            if (!session || session.destroyed) return;
            if (session.$bracketHighlight) {
                session.$bracketHighlight.markerIds.forEach(function(id) {
                    session.removeMarker(id);
                });
                session.$bracketHighlight = null;
            }
            var ranges = session.getMatchingBracketRanges(self.getCursorPosition());
            if (!ranges && session.$mode.getMatching) 
                ranges = session.$mode.getMatching(self.session);
            if (!ranges)
                return;

            var markerType = "ace_bracket";
            if (!Array.isArray(ranges)) {
                ranges = [ranges];
            } else if (ranges.length == 1) {
                markerType = "ace_error_bracket";
            }
            if (ranges.length == 2) {
                if (Range.comparePoints(ranges[0].end, ranges[1].start) == 0)
                    ranges = [Range.fromPoints(ranges[0].start, ranges[1].end)];
                else if (Range.comparePoints(ranges[0].start, ranges[1].end) == 0)
                    ranges = [Range.fromPoints(ranges[1].start, ranges[0].end)];
            }

            session.$bracketHighlight = {
                ranges: ranges,
                markerIds: ranges.map(function(range) {
                    return session.addMarker(range, markerType, "text");
                })
            };
        }, 50);
    };
    this.$highlightTags = function() {
        if (this.$highlightTagPending)
            return;
        var self = this;
        this.$highlightTagPending = true;
        setTimeout(function() {
            self.$highlightTagPending = false;
            
            var session = self.session;
            if (!session || session.destroyed) return;
            
            var pos = self.getCursorPosition();
            var iterator = new TokenIterator(self.session, pos.row, pos.column);
            var token = iterator.getCurrentToken();
            
            if (!token || !/\b(?:tag-open|tag-name)/.test(token.type)) {
                session.removeMarker(session.$tagHighlight);
                session.$tagHighlight = null;
                return;
            }
            
            if (token.type.indexOf("tag-open") !== -1) {
                token = iterator.stepForward();
                if (!token)
                    return;
            }
            
            var tag = token.value;
            var currentTag = token.value;
            var depth = 0;
            var prevToken = iterator.stepBackward();
            
            if (prevToken.value === '<'){
                do {
                    prevToken = token;
                    token = iterator.stepForward();

                    if (token) {
                        if (token.type.indexOf('tag-name') !== -1) {
                            currentTag = token.value;
                            if (tag === currentTag) {
                                if (prevToken.value === '<') {
                                    depth++;
                                } else if (prevToken.value === '</') {
                                    depth--;
                                }
                            }
                        } else if (tag === currentTag && token.value === '/>') { // self closing tag
                            depth--;
                        }
                    }
                    
                } while (token && depth >= 0);
            } else {
                do {
                    token = prevToken;
                    prevToken = iterator.stepBackward();

                    if (token) {
                        if (token.type.indexOf('tag-name') !== -1) {
                            if (tag === token.value) {
                                if (prevToken.value === '<') {
                                    depth++;
                                } else if (prevToken.value === '</') {
                                    depth--;
                                }
                            }
                        } else if (token.value === '/>') { // self closing tag
                            var stepCount = 0;
                            var tmpToken = prevToken;
                            while (tmpToken) {
                                if (tmpToken.type.indexOf('tag-name') !== -1 && tmpToken.value === tag) {
                                    depth--;
                                    break;
                                } else if (tmpToken.value === '<') {
                                    break;
                                }
                                tmpToken = iterator.stepBackward();
                                stepCount++;
                            }
                            for (var i = 0; i < stepCount; i++) {
                                iterator.stepForward();
                            }
                        }
                    }
                } while (prevToken && depth <= 0);
                iterator.stepForward();
            }
            
            if (!token) {
                session.removeMarker(session.$tagHighlight);
                session.$tagHighlight = null;
                return;
            }
            
            var row = iterator.getCurrentTokenRow();
            var column = iterator.getCurrentTokenColumn();
            var range = new Range(row, column, row, column+token.value.length);
            var sbm = session.$backMarkers[session.$tagHighlight];
            if (session.$tagHighlight && sbm != undefined && range.compareRange(sbm.range) !== 0) {
                session.removeMarker(session.$tagHighlight);
                session.$tagHighlight = null;
            }
            
            if (!session.$tagHighlight)
                session.$tagHighlight = session.addMarker(range, "ace_bracket", "text");
        }, 50);
    };
    this.focus = function() {
        this.textInput.focus();
    };
    this.isFocused = function() {
        return this.textInput.isFocused();
    };
    this.blur = function() {
        this.textInput.blur();
    };
    this.onFocus = function(e) {
        if (this.$isFocused)
            return;
        this.$isFocused = true;
        this.renderer.showCursor();
        this.renderer.visualizeFocus();
        this._emit("focus", e);
    };
    this.onBlur = function(e) {
        if (!this.$isFocused)
            return;
        this.$isFocused = false;
        this.renderer.hideCursor();
        this.renderer.visualizeBlur();
        this._emit("blur", e);
    };

    this.$cursorChange = function() {
        this.renderer.updateCursor();
        this.$highlightBrackets();
        this.$highlightTags();
        this.$updateHighlightActiveLine();
    };
    this.onDocumentChange = function(delta) {
        var wrap = this.session.$useWrapMode;
        var lastRow = (delta.start.row == delta.end.row ? delta.end.row : Infinity);
        this.renderer.updateLines(delta.start.row, lastRow, wrap);

        this._signal("change", delta);
        this.$cursorChange();
    };

    this.onTokenizerUpdate = function(e) {
        var rows = e.data;
        this.renderer.updateLines(rows.first, rows.last);
    };


    this.onScrollTopChange = function() {
        this.renderer.scrollToY(this.session.getScrollTop());
    };

    this.onScrollLeftChange = function() {
        this.renderer.scrollToX(this.session.getScrollLeft());
    };
    this.onCursorChange = function() {
        this.$cursorChange();
        this._signal("changeSelection");
    };

    this.$updateHighlightActiveLine = function() {
        var session = this.getSession();

        var highlight;
        if (this.$highlightActiveLine) {
            if (this.$selectionStyle != "line" || !this.selection.isMultiLine())
                highlight = this.getCursorPosition();
            if (this.renderer.theme && this.renderer.theme.$selectionColorConflict && !this.selection.isEmpty())
                highlight = false;
            if (this.renderer.$maxLines && this.session.getLength() === 1 && !(this.renderer.$minLines > 1))
                highlight = false;
        }

        if (session.$highlightLineMarker && !highlight) {
            session.removeMarker(session.$highlightLineMarker.id);
            session.$highlightLineMarker = null;
        } else if (!session.$highlightLineMarker && highlight) {
            var range = new Range(highlight.row, highlight.column, highlight.row, Infinity);
            range.id = session.addMarker(range, "ace_active-line", "screenLine");
            session.$highlightLineMarker = range;
        } else if (highlight) {
            session.$highlightLineMarker.start.row = highlight.row;
            session.$highlightLineMarker.end.row = highlight.row;
            session.$highlightLineMarker.start.column = highlight.column;
            session._signal("changeBackMarker");
        }
    };

    this.onSelectionChange = function(e) {
        var session = this.session;

        if (session.$selectionMarker) {
            session.removeMarker(session.$selectionMarker);
        }
        session.$selectionMarker = null;

        if (!this.selection.isEmpty()) {
            var range = this.selection.getRange();
            var style = this.getSelectionStyle();
            session.$selectionMarker = session.addMarker(range, "ace_selection", style);
        } else {
            this.$updateHighlightActiveLine();
        }

        var re = this.$highlightSelectedWord && this.$getSelectionHighLightRegexp();
        this.session.highlight(re);

        this._signal("changeSelection");
    };

    this.$getSelectionHighLightRegexp = function() {
        var session = this.session;

        var selection = this.getSelectionRange();
        if (selection.isEmpty() || selection.isMultiLine())
            return;

        var startColumn = selection.start.column;
        var endColumn = selection.end.column;
        var line = session.getLine(selection.start.row);
        
        var needle = line.substring(startColumn, endColumn);
        if (needle.length > 5000 || !/[\w\d]/.test(needle))
            return;

        var re = this.$search.$assembleRegExp({
            wholeWord: true,
            caseSensitive: true,
            needle: needle
        });
        
        var wordWithBoundary = line.substring(startColumn - 1, endColumn + 1);
        if (!re.test(wordWithBoundary))
            return;
        
        return re;
    };


    this.onChangeFrontMarker = function() {
        this.renderer.updateFrontMarkers();
    };

    this.onChangeBackMarker = function() {
        this.renderer.updateBackMarkers();
    };


    this.onChangeBreakpoint = function() {
        this.renderer.updateBreakpoints();
    };

    this.onChangeAnnotation = function() {
        this.renderer.setAnnotations(this.session.getAnnotations());
    };


    this.onChangeMode = function(e) {
        this.renderer.updateText();
        this._emit("changeMode", e);
    };


    this.onChangeWrapLimit = function() {
        this.renderer.updateFull();
    };

    this.onChangeWrapMode = function() {
        this.renderer.onResize(true);
    };


    this.onChangeFold = function() {
        this.$updateHighlightActiveLine();
        this.renderer.updateFull();
    };
    this.getSelectedText = function() {
        return this.session.getTextRange(this.getSelectionRange());
    };
    this.getCopyText = function() {
        var text = this.getSelectedText();
        var nl = this.session.doc.getNewLineCharacter();
        var copyLine= false;
        if (!text && this.$copyWithEmptySelection) {
            copyLine = true;
            var ranges = this.selection.getAllRanges();
            for (var i = 0; i < ranges.length; i++) {
                var range = ranges[i];
                if (i && ranges[i - 1].start.row == range.start.row)
                    continue;
                text += this.session.getLine(range.start.row) + nl;
            }
        }
        var e = {text: text};
        this._signal("copy", e);
        clipboard.lineMode = copyLine ? e.text : false;
        return e.text;
    };
    this.onCopy = function() {
        this.commands.exec("copy", this);
    };
    this.onCut = function() {
        this.commands.exec("cut", this);
    };
    this.onPaste = function(text, event) {
        var e = {text: text, event: event};
        this.commands.exec("paste", this, e);
    };
    
    this.$handlePaste = function(e) {
        if (typeof e == "string") 
            e = {text: e};
        this._signal("paste", e);
        var text = e.text;

        var lineMode = text === clipboard.lineMode;
        var session = this.session;
        if (!this.inMultiSelectMode || this.inVirtualSelectionMode) {
            if (lineMode)
                session.insert({ row: this.selection.lead.row, column: 0 }, text);
            else
                this.insert(text);
        } else if (lineMode) {
            this.selection.rangeList.ranges.forEach(function(range) {
                session.insert({ row: range.start.row, column: 0 }, text);
            });
        } else {
            var lines = text.split(/\r\n|\r|\n/);
            var ranges = this.selection.rangeList.ranges;
    
            var isFullLine = lines.length == 2 && (!lines[0] || !lines[1]);
            if (lines.length != ranges.length || isFullLine)
                return this.commands.exec("insertstring", this, text);
    
            for (var i = ranges.length; i--;) {
                var range = ranges[i];
                if (!range.isEmpty())
                    session.remove(range);
    
                session.insert(range.start, lines[i]);
            }
        }
    };

    this.execCommand = function(command, args) {
        return this.commands.exec(command, this, args);
    };
    this.insert = function(text, pasted) {
        var session = this.session;
        var mode = session.getMode();
        var cursor = this.getCursorPosition();

        if (this.getBehavioursEnabled() && !pasted) {
            var transform = mode.transformAction(session.getState(cursor.row), 'insertion', this, session, text);
            if (transform) {
                if (text !== transform.text) {
                    if (!this.inVirtualSelectionMode) {
                        this.session.mergeUndoDeltas = false;
                        this.mergeNextCommand = false;
                    }
                }
                text = transform.text;

            }
        }
        
        if (text == "\t")
            text = this.session.getTabString();
        if (!this.selection.isEmpty()) {
            var range = this.getSelectionRange();
            cursor = this.session.remove(range);
            this.clearSelection();
        }
        else if (this.session.getOverwrite() && text.indexOf("\n") == -1) {
            var range = new Range.fromPoints(cursor, cursor);
            range.end.column += text.length;
            this.session.remove(range);
        }

        if (text == "\n" || text == "\r\n") {
            var line = session.getLine(cursor.row);
            if (cursor.column > line.search(/\S|$/)) {
                var d = line.substr(cursor.column).search(/\S|$/);
                session.doc.removeInLine(cursor.row, cursor.column, cursor.column + d);
            }
        }
        this.clearSelection();

        var start = cursor.column;
        var lineState = session.getState(cursor.row);
        var line = session.getLine(cursor.row);
        var shouldOutdent = mode.checkOutdent(lineState, line, text);
        session.insert(cursor, text);

        if (transform && transform.selection) {
            if (transform.selection.length == 2) { // Transform relative to the current column
                this.selection.setSelectionRange(
                    new Range(cursor.row, start + transform.selection[0],
                              cursor.row, start + transform.selection[1]));
            } else { // Transform relative to the current row.
                this.selection.setSelectionRange(
                    new Range(cursor.row + transform.selection[0],
                              transform.selection[1],
                              cursor.row + transform.selection[2],
                              transform.selection[3]));
            }
        }
        if (this.$enableAutoIndent) {
            if (session.getDocument().isNewLine(text)) {
                var lineIndent = mode.getNextLineIndent(lineState, line.slice(0, cursor.column), session.getTabString());

                session.insert({row: cursor.row+1, column: 0}, lineIndent);
            }
            if (shouldOutdent)
                mode.autoOutdent(lineState, session, cursor.row);
        }
    };

    this.autoIndent = function () {
        var session = this.session;
        var mode = session.getMode();

        var startRow, endRow;
        if (this.selection.isEmpty()) {
            startRow = 0;
            endRow = session.doc.getLength() - 1;
        } else {
            var selectedRange = this.getSelectionRange();

            startRow = selectedRange.start.row;
            endRow = selectedRange.end.row;
        }

        var prevLineState = "";
        var prevLine = "";
        var lineIndent = "";
        var line, currIndent, range;
        var tab = session.getTabString();

        for (var row = startRow; row <= endRow; row++) {
            if (row > 0) {
                prevLineState = session.getState(row - 1);
                prevLine = session.getLine(row - 1);
                lineIndent = mode.getNextLineIndent(prevLineState, prevLine, tab);
            }

            line = session.getLine(row);
            currIndent = mode.$getIndent(line);
            if (lineIndent !== currIndent) {
                if (currIndent.length > 0) {
                    range = new Range(row, 0, row, currIndent.length);
                    session.remove(range);
                }
                if (lineIndent.length > 0) {
                    session.insert({row: row, column: 0}, lineIndent);
                }
            }

            mode.autoOutdent(prevLineState, session, row);
        }
    };


    this.onTextInput = function(text, composition) {
        if (!composition)
            return this.keyBinding.onTextInput(text);
        
        this.startOperation({command: { name: "insertstring" }});
        var applyComposition = this.applyComposition.bind(this, text, composition);
        if (this.selection.rangeCount)
            this.forEachSelection(applyComposition);
        else
            applyComposition();
        this.endOperation();
    };
    
    this.applyComposition = function(text, composition) {
        if (composition.extendLeft || composition.extendRight) {
            var r = this.selection.getRange();
            r.start.column -= composition.extendLeft;
            r.end.column += composition.extendRight;
            if (r.start.column < 0) {
                r.start.row--;
                r.start.column += this.session.getLine(r.start.row).length + 1;
            }
            this.selection.setRange(r);
            if (!text && !r.isEmpty())
                this.remove();
        }
        if (text || !this.selection.isEmpty())
            this.insert(text, true);
        if (composition.restoreStart || composition.restoreEnd) {
            var r = this.selection.getRange();
            r.start.column -= composition.restoreStart;
            r.end.column -= composition.restoreEnd;
            this.selection.setRange(r);
        }
    };

    this.onCommandKey = function(e, hashId, keyCode) {
        return this.keyBinding.onCommandKey(e, hashId, keyCode);
    };
    this.setOverwrite = function(overwrite) {
        this.session.setOverwrite(overwrite);
    };
    this.getOverwrite = function() {
        return this.session.getOverwrite();
    };
    this.toggleOverwrite = function() {
        this.session.toggleOverwrite();
    };
    this.setScrollSpeed = function(speed) {
        this.setOption("scrollSpeed", speed);
    };
    this.getScrollSpeed = function() {
        return this.getOption("scrollSpeed");
    };
    this.setDragDelay = function(dragDelay) {
        this.setOption("dragDelay", dragDelay);
    };
    this.getDragDelay = function() {
        return this.getOption("dragDelay");
    };
    this.setSelectionStyle = function(val) {
        this.setOption("selectionStyle", val);
    };
    this.getSelectionStyle = function() {
        return this.getOption("selectionStyle");
    };
    this.setHighlightActiveLine = function(shouldHighlight) {
        this.setOption("highlightActiveLine", shouldHighlight);
    };
    this.getHighlightActiveLine = function() {
        return this.getOption("highlightActiveLine");
    };
    this.setHighlightGutterLine = function(shouldHighlight) {
        this.setOption("highlightGutterLine", shouldHighlight);
    };

    this.getHighlightGutterLine = function() {
        return this.getOption("highlightGutterLine");
    };
    this.setHighlightSelectedWord = function(shouldHighlight) {
        this.setOption("highlightSelectedWord", shouldHighlight);
    };
    this.getHighlightSelectedWord = function() {
        return this.$highlightSelectedWord;
    };

    this.setAnimatedScroll = function(shouldAnimate){
        this.renderer.setAnimatedScroll(shouldAnimate);
    };

    this.getAnimatedScroll = function(){
        return this.renderer.getAnimatedScroll();
    };
    this.setShowInvisibles = function(showInvisibles) {
        this.renderer.setShowInvisibles(showInvisibles);
    };
    this.getShowInvisibles = function() {
        return this.renderer.getShowInvisibles();
    };

    this.setDisplayIndentGuides = function(display) {
        this.renderer.setDisplayIndentGuides(display);
    };

    this.getDisplayIndentGuides = function() {
        return this.renderer.getDisplayIndentGuides();
    };
    this.setShowPrintMargin = function(showPrintMargin) {
        this.renderer.setShowPrintMargin(showPrintMargin);
    };
    this.getShowPrintMargin = function() {
        return this.renderer.getShowPrintMargin();
    };
    this.setPrintMarginColumn = function(showPrintMargin) {
        this.renderer.setPrintMarginColumn(showPrintMargin);
    };
    this.getPrintMarginColumn = function() {
        return this.renderer.getPrintMarginColumn();
    };
    this.setReadOnly = function(readOnly) {
        this.setOption("readOnly", readOnly);
    };
    this.getReadOnly = function() {
        return this.getOption("readOnly");
    };
    this.setBehavioursEnabled = function (enabled) {
        this.setOption("behavioursEnabled", enabled);
    };
    this.getBehavioursEnabled = function () {
        return this.getOption("behavioursEnabled");
    };
    this.setWrapBehavioursEnabled = function (enabled) {
        this.setOption("wrapBehavioursEnabled", enabled);
    };
    this.getWrapBehavioursEnabled = function () {
        return this.getOption("wrapBehavioursEnabled");
    };
    this.setShowFoldWidgets = function(show) {
        this.setOption("showFoldWidgets", show);

    };
    this.getShowFoldWidgets = function() {
        return this.getOption("showFoldWidgets");
    };

    this.setFadeFoldWidgets = function(fade) {
        this.setOption("fadeFoldWidgets", fade);
    };

    this.getFadeFoldWidgets = function() {
        return this.getOption("fadeFoldWidgets");
    };
    this.remove = function(dir) {
        if (this.selection.isEmpty()){
            if (dir == "left")
                this.selection.selectLeft();
            else
                this.selection.selectRight();
        }

        var range = this.getSelectionRange();
        if (this.getBehavioursEnabled()) {
            var session = this.session;
            var state = session.getState(range.start.row);
            var new_range = session.getMode().transformAction(state, 'deletion', this, session, range);

            if (range.end.column === 0) {
                var text = session.getTextRange(range);
                if (text[text.length - 1] == "\n") {
                    var line = session.getLine(range.end.row);
                    if (/^\s+$/.test(line)) {
                        range.end.column = line.length;
                    }
                }
            }
            if (new_range)
                range = new_range;
        }

        this.session.remove(range);
        this.clearSelection();
    };
    this.removeWordRight = function() {
        if (this.selection.isEmpty())
            this.selection.selectWordRight();

        this.session.remove(this.getSelectionRange());
        this.clearSelection();
    };
    this.removeWordLeft = function() {
        if (this.selection.isEmpty())
            this.selection.selectWordLeft();

        this.session.remove(this.getSelectionRange());
        this.clearSelection();
    };
    this.removeToLineStart = function() {
        if (this.selection.isEmpty())
            this.selection.selectLineStart();
        if (this.selection.isEmpty())
            this.selection.selectLeft();
        this.session.remove(this.getSelectionRange());
        this.clearSelection();
    };
    this.removeToLineEnd = function() {
        if (this.selection.isEmpty())
            this.selection.selectLineEnd();

        var range = this.getSelectionRange();
        if (range.start.column == range.end.column && range.start.row == range.end.row) {
            range.end.column = 0;
            range.end.row++;
        }

        this.session.remove(range);
        this.clearSelection();
    };
    this.splitLine = function() {
        if (!this.selection.isEmpty()) {
            this.session.remove(this.getSelectionRange());
            this.clearSelection();
        }

        var cursor = this.getCursorPosition();
        this.insert("\n");
        this.moveCursorToPosition(cursor);
    };
    this.transposeLetters = function() {
        if (!this.selection.isEmpty()) {
            return;
        }

        var cursor = this.getCursorPosition();
        var column = cursor.column;
        if (column === 0)
            return;

        var line = this.session.getLine(cursor.row);
        var swap, range;
        if (column < line.length) {
            swap = line.charAt(column) + line.charAt(column-1);
            range = new Range(cursor.row, column-1, cursor.row, column+1);
        }
        else {
            swap = line.charAt(column-1) + line.charAt(column-2);
            range = new Range(cursor.row, column-2, cursor.row, column);
        }
        this.session.replace(range, swap);
        this.session.selection.moveToPosition(range.end);
    };
    this.toLowerCase = function() {
        var originalRange = this.getSelectionRange();
        if (this.selection.isEmpty()) {
            this.selection.selectWord();
        }

        var range = this.getSelectionRange();
        var text = this.session.getTextRange(range);
        this.session.replace(range, text.toLowerCase());
        this.selection.setSelectionRange(originalRange);
    };
    this.toUpperCase = function() {
        var originalRange = this.getSelectionRange();
        if (this.selection.isEmpty()) {
            this.selection.selectWord();
        }

        var range = this.getSelectionRange();
        var text = this.session.getTextRange(range);
        this.session.replace(range, text.toUpperCase());
        this.selection.setSelectionRange(originalRange);
    };
    this.indent = function() {
        var session = this.session;
        var range = this.getSelectionRange();

        if (range.start.row < range.end.row) {
            var rows = this.$getSelectedRows();
            session.indentRows(rows.first, rows.last, "\t");
            return;
        } else if (range.start.column < range.end.column) {
            var text = session.getTextRange(range);
            if (!/^\s+$/.test(text)) {
                var rows = this.$getSelectedRows();
                session.indentRows(rows.first, rows.last, "\t");
                return;
            }
        }
        
        var line = session.getLine(range.start.row);
        var position = range.start;
        var size = session.getTabSize();
        var column = session.documentToScreenColumn(position.row, position.column);

        if (this.session.getUseSoftTabs()) {
            var count = (size - column % size);
            var indentString = lang.stringRepeat(" ", count);
        } else {
            var count = column % size;
            while (line[range.start.column - 1] == " " && count) {
                range.start.column--;
                count--;
            }
            this.selection.setSelectionRange(range);
            indentString = "\t";
        }
        return this.insert(indentString);
    };
    this.blockIndent = function() {
        var rows = this.$getSelectedRows();
        this.session.indentRows(rows.first, rows.last, "\t");
    };
    this.blockOutdent = function() {
        var selection = this.session.getSelection();
        this.session.outdentRows(selection.getRange());
    };
    this.sortLines = function() {
        var rows = this.$getSelectedRows();
        var session = this.session;

        var lines = [];
        for (var i = rows.first; i <= rows.last; i++)
            lines.push(session.getLine(i));

        lines.sort(function(a, b) {
            if (a.toLowerCase() < b.toLowerCase()) return -1;
            if (a.toLowerCase() > b.toLowerCase()) return 1;
            return 0;
        });

        var deleteRange = new Range(0, 0, 0, 0);
        for (var i = rows.first; i <= rows.last; i++) {
            var line = session.getLine(i);
            deleteRange.start.row = i;
            deleteRange.end.row = i;
            deleteRange.end.column = line.length;
            session.replace(deleteRange, lines[i-rows.first]);
        }
    };
    this.toggleCommentLines = function() {
        var state = this.session.getState(this.getCursorPosition().row);
        var rows = this.$getSelectedRows();
        this.session.getMode().toggleCommentLines(state, this.session, rows.first, rows.last);
    };

    this.toggleBlockComment = function() {
        var cursor = this.getCursorPosition();
        var state = this.session.getState(cursor.row);
        var range = this.getSelectionRange();
        this.session.getMode().toggleBlockComment(state, this.session, range, cursor);
    };
    this.getNumberAt = function(row, column) {
        var _numberRx = /[\-]?[0-9]+(?:\.[0-9]+)?/g;
        _numberRx.lastIndex = 0;

        var s = this.session.getLine(row);
        while (_numberRx.lastIndex < column) {
            var m = _numberRx.exec(s);
            if(m.index <= column && m.index+m[0].length >= column){
                var number = {
                    value: m[0],
                    start: m.index,
                    end: m.index+m[0].length
                };
                return number;
            }
        }
        return null;
    };
    this.modifyNumber = function(amount) {
        var row = this.selection.getCursor().row;
        var column = this.selection.getCursor().column;
        var charRange = new Range(row, column-1, row, column);

        var c = this.session.getTextRange(charRange);
        if (!isNaN(parseFloat(c)) && isFinite(c)) {
            var nr = this.getNumberAt(row, column);
            if (nr) {
                var fp = nr.value.indexOf(".") >= 0 ? nr.start + nr.value.indexOf(".") + 1 : nr.end;
                var decimals = nr.start + nr.value.length - fp;

                var t = parseFloat(nr.value);
                t *= Math.pow(10, decimals);


                if(fp !== nr.end && column < fp){
                    amount *= Math.pow(10, nr.end - column - 1);
                } else {
                    amount *= Math.pow(10, nr.end - column);
                }

                t += amount;
                t /= Math.pow(10, decimals);
                var nnr = t.toFixed(decimals);
                var replaceRange = new Range(row, nr.start, row, nr.end);
                this.session.replace(replaceRange, nnr);
                this.moveCursorTo(row, Math.max(nr.start +1, column + nnr.length - nr.value.length));

            }
        } else {
            this.toggleWord();
        }
    };

    this.$toggleWordPairs = [
        ["first", "last"],
        ["true", "false"],
        ["yes", "no"],
        ["width", "height"],
        ["top", "bottom"],
        ["right", "left"],
        ["on", "off"],
        ["x", "y"],
        ["get", "set"],
        ["max", "min"],
        ["horizontal", "vertical"],
        ["show", "hide"],
        ["add", "remove"],
        ["up", "down"],
        ["before", "after"],
        ["even", "odd"],
        ["in", "out"],
        ["inside", "outside"],
        ["next", "previous"],
        ["increase", "decrease"],
        ["attach", "detach"],
        ["&&", "||"],
        ["==", "!="]
    ];

    this.toggleWord = function () {
        var row = this.selection.getCursor().row;
        var column = this.selection.getCursor().column;
        this.selection.selectWord();
        var currentState = this.getSelectedText();
        var currWordStart = this.selection.getWordRange().start.column;
        var wordParts = currentState.replace(/([a-z]+|[A-Z]+)(?=[A-Z_]|$)/g, '$1 ').split(/\s/);
        var delta = column - currWordStart - 1;
        if (delta < 0) delta = 0;
        var curLength = 0, itLength = 0;
        var that = this;
        if (currentState.match(/[A-Za-z0-9_]+/)) {
            wordParts.forEach(function (item, i) {
                itLength = curLength + item.length;
                if (delta >= curLength && delta <= itLength) {
                    currentState = item;
                    that.selection.clearSelection();
                    that.moveCursorTo(row, curLength + currWordStart);
                    that.selection.selectTo(row, itLength + currWordStart);
                }
                curLength = itLength;
            });
        }

        var wordPairs = this.$toggleWordPairs;
        var reg;
        for (var i = 0; i < wordPairs.length; i++) {
            var item = wordPairs[i];
            for (var j = 0; j <= 1; j++) {
                var negate = +!j;
                var firstCondition = currentState.match(new RegExp('^\\s?_?(' + lang.escapeRegExp(item[j]) + ')\\s?$', 'i'));
                if (firstCondition) {
                    var secondCondition = currentState.match(new RegExp('([_]|^|\\s)(' + lang.escapeRegExp(firstCondition[1]) + ')($|\\s)', 'g'));
                    if (secondCondition) {
                        reg = currentState.replace(new RegExp(lang.escapeRegExp(item[j]), 'i'), function (result) {
                            var res = item[negate];
                            if (result.toUpperCase() == result) {
                                res = res.toUpperCase();
                            } else if (result.charAt(0).toUpperCase() == result.charAt(0)) {
                                res = res.substr(0, 0) + item[negate].charAt(0).toUpperCase() + res.substr(1);
                            }
                            return res;
                        });
                        this.insert(reg);
                        reg = "";
                    }
                }
            }
        }
    };
    this.removeLines = function() {
        var rows = this.$getSelectedRows();
        this.session.removeFullLines(rows.first, rows.last);
        this.clearSelection();
    };

    this.duplicateSelection = function() {
        var sel = this.selection;
        var doc = this.session;
        var range = sel.getRange();
        var reverse = sel.isBackwards();
        if (range.isEmpty()) {
            var row = range.start.row;
            doc.duplicateLines(row, row);
        } else {
            var point = reverse ? range.start : range.end;
            var endPoint = doc.insert(point, doc.getTextRange(range), false);
            range.start = point;
            range.end = endPoint;

            sel.setSelectionRange(range, reverse);
        }
    };
    this.moveLinesDown = function() {
        this.$moveLines(1, false);
    };
    this.moveLinesUp = function() {
        this.$moveLines(-1, false);
    };
    this.moveText = function(range, toPosition, copy) {
        return this.session.moveText(range, toPosition, copy);
    };
    this.copyLinesUp = function() {
        this.$moveLines(-1, true);
    };
    this.copyLinesDown = function() {
        this.$moveLines(1, true);
    };
    this.$moveLines = function(dir, copy) {
        var rows, moved;
        var selection = this.selection;
        if (!selection.inMultiSelectMode || this.inVirtualSelectionMode) {
            var range = selection.toOrientedRange();
            rows = this.$getSelectedRows(range);
            moved = this.session.$moveLines(rows.first, rows.last, copy ? 0 : dir);
            if (copy && dir == -1) moved = 0;
            range.moveBy(moved, 0);
            selection.fromOrientedRange(range);
        } else {
            var ranges = selection.rangeList.ranges;
            selection.rangeList.detach(this.session);
            this.inVirtualSelectionMode = true;
            
            var diff = 0;
            var totalDiff = 0;
            var l = ranges.length;
            for (var i = 0; i < l; i++) {
                var rangeIndex = i;
                ranges[i].moveBy(diff, 0);
                rows = this.$getSelectedRows(ranges[i]);
                var first = rows.first;
                var last = rows.last;
                while (++i < l) {
                    if (totalDiff) ranges[i].moveBy(totalDiff, 0);
                    var subRows = this.$getSelectedRows(ranges[i]);
                    if (copy && subRows.first != last)
                        break;
                    else if (!copy && subRows.first > last + 1)
                        break;
                    last = subRows.last;
                }
                i--;
                diff = this.session.$moveLines(first, last, copy ? 0 : dir);
                if (copy && dir == -1) rangeIndex = i + 1;
                while (rangeIndex <= i) {
                    ranges[rangeIndex].moveBy(diff, 0);
                    rangeIndex++;
                }
                if (!copy) diff = 0;
                totalDiff += diff;
            }
            
            selection.fromOrientedRange(selection.ranges[0]);
            selection.rangeList.attach(this.session);
            this.inVirtualSelectionMode = false;
        }
    };
    this.$getSelectedRows = function(range) {
        range = (range || this.getSelectionRange()).collapseRows();

        return {
            first: this.session.getRowFoldStart(range.start.row),
            last: this.session.getRowFoldEnd(range.end.row)
        };
    };

    this.onCompositionStart = function(compositionState) {
        this.renderer.showComposition(compositionState);
    };

    this.onCompositionUpdate = function(text) {
        this.renderer.setCompositionText(text);
    };

    this.onCompositionEnd = function() {
        this.renderer.hideComposition();
    };
    this.getFirstVisibleRow = function() {
        return this.renderer.getFirstVisibleRow();
    };
    this.getLastVisibleRow = function() {
        return this.renderer.getLastVisibleRow();
    };
    this.isRowVisible = function(row) {
        return (row >= this.getFirstVisibleRow() && row <= this.getLastVisibleRow());
    };
    this.isRowFullyVisible = function(row) {
        return (row >= this.renderer.getFirstFullyVisibleRow() && row <= this.renderer.getLastFullyVisibleRow());
    };
    this.$getVisibleRowCount = function() {
        return this.renderer.getScrollBottomRow() - this.renderer.getScrollTopRow() + 1;
    };

    this.$moveByPage = function(dir, select) {
        var renderer = this.renderer;
        var config = this.renderer.layerConfig;
        var rows = dir * Math.floor(config.height / config.lineHeight);

        if (select === true) {
            this.selection.$moveSelection(function(){
                this.moveCursorBy(rows, 0);
            });
        } else if (select === false) {
            this.selection.moveCursorBy(rows, 0);
            this.selection.clearSelection();
        }

        var scrollTop = renderer.scrollTop;

        renderer.scrollBy(0, rows * config.lineHeight);
        if (select != null)
            renderer.scrollCursorIntoView(null, 0.5);

        renderer.animateScrolling(scrollTop);
    };
    this.selectPageDown = function() {
        this.$moveByPage(1, true);
    };
    this.selectPageUp = function() {
        this.$moveByPage(-1, true);
    };
    this.gotoPageDown = function() {
       this.$moveByPage(1, false);
    };
    this.gotoPageUp = function() {
        this.$moveByPage(-1, false);
    };
    this.scrollPageDown = function() {
        this.$moveByPage(1);
    };
    this.scrollPageUp = function() {
        this.$moveByPage(-1);
    };
    this.scrollToRow = function(row) {
        this.renderer.scrollToRow(row);
    };
    this.scrollToLine = function(line, center, animate, callback) {
        this.renderer.scrollToLine(line, center, animate, callback);
    };
    this.centerSelection = function() {
        var range = this.getSelectionRange();
        var pos = {
            row: Math.floor(range.start.row + (range.end.row - range.start.row) / 2),
            column: Math.floor(range.start.column + (range.end.column - range.start.column) / 2)
        };
        this.renderer.alignCursor(pos, 0.5);
    };
    this.getCursorPosition = function() {
        return this.selection.getCursor();
    };
    this.getCursorPositionScreen = function() {
        return this.session.documentToScreenPosition(this.getCursorPosition());
    };
    this.getSelectionRange = function() {
        return this.selection.getRange();
    };
    this.selectAll = function() {
        this.selection.selectAll();
    };
    this.clearSelection = function() {
        this.selection.clearSelection();
    };
    this.moveCursorTo = function(row, column) {
        this.selection.moveCursorTo(row, column);
    };
    this.moveCursorToPosition = function(pos) {
        this.selection.moveCursorToPosition(pos);
    };
    this.jumpToMatching = function(select, expand) {
        var cursor = this.getCursorPosition();
        var iterator = new TokenIterator(this.session, cursor.row, cursor.column);
        var prevToken = iterator.getCurrentToken();
        var token = prevToken || iterator.stepForward();

        if (!token) return;
        var matchType;
        var found = false;
        var depth = {};
        var i = cursor.column - token.start;
        var bracketType;
        var brackets = {
            ")": "(",
            "(": "(",
            "]": "[",
            "[": "[",
            "{": "{",
            "}": "{"
        };
        
        do {
            if (token.value.match(/[{}()\[\]]/g)) {
                for (; i < token.value.length && !found; i++) {
                    if (!brackets[token.value[i]]) {
                        continue;
                    }

                    bracketType = brackets[token.value[i]] + '.' + token.type.replace("rparen", "lparen");

                    if (isNaN(depth[bracketType])) {
                        depth[bracketType] = 0;
                    }

                    switch (token.value[i]) {
                        case '(':
                        case '[':
                        case '{':
                            depth[bracketType]++;
                            break;
                        case ')':
                        case ']':
                        case '}':
                            depth[bracketType]--;

                            if (depth[bracketType] === -1) {
                                matchType = 'bracket';
                                found = true;
                            }
                        break;
                    }
                }
            }
            else if (token.type.indexOf('tag-name') !== -1) {
                if (isNaN(depth[token.value])) {
                    depth[token.value] = 0;
                }
                
                if (prevToken.value === '<') {
                    depth[token.value]++;
                }
                else if (prevToken.value === '</') {
                    depth[token.value]--;
                }
                
                if (depth[token.value] === -1) {
                    matchType = 'tag';
                    found = true;
                }
            }

            if (!found) {
                prevToken = token;
                token = iterator.stepForward();
                i = 0;
            }
        } while (token && !found);
        if (!matchType)
            return;

        var range, pos;
        if (matchType === 'bracket') {
            range = this.session.getBracketRange(cursor);
            if (!range) {
                range = new Range(
                    iterator.getCurrentTokenRow(),
                    iterator.getCurrentTokenColumn() + i - 1,
                    iterator.getCurrentTokenRow(),
                    iterator.getCurrentTokenColumn() + i - 1
                );
                pos = range.start;
                if (expand || pos.row === cursor.row && Math.abs(pos.column - cursor.column) < 2)
                    range = this.session.getBracketRange(pos);
            }
        }
        else if (matchType === 'tag') {
            if (token && token.type.indexOf('tag-name') !== -1) 
                var tag = token.value;
            else
                return;

            range = new Range(
                iterator.getCurrentTokenRow(),
                iterator.getCurrentTokenColumn() - 2,
                iterator.getCurrentTokenRow(),
                iterator.getCurrentTokenColumn() - 2
            );
            if (range.compare(cursor.row, cursor.column) === 0) {
                found = false;
                do {
                    token = prevToken;
                    prevToken = iterator.stepBackward();
                    
                    if (prevToken) {
                        if (prevToken.type.indexOf('tag-close') !== -1) {
                            range.setEnd(iterator.getCurrentTokenRow(), iterator.getCurrentTokenColumn() + 1);
                        }

                        if (token.value === tag && token.type.indexOf('tag-name') !== -1) {
                            if (prevToken.value === '<') {
                                depth[tag]++;
                            }
                            else if (prevToken.value === '</') {
                                depth[tag]--;
                            }
                            
                            if (depth[tag] === 0)
                                found = true;
                        }
                    }
                } while (prevToken && !found);
            }
            if (token && token.type.indexOf('tag-name')) {
                pos = range.start;
                if (pos.row == cursor.row && Math.abs(pos.column - cursor.column) < 2)
                    pos = range.end;
            }
        }

        pos = range && range.cursor || pos;
        if (pos) {
            if (select) {
                if (range && expand) {
                    this.selection.setRange(range);
                } else if (range && range.isEqual(this.getSelectionRange())) {
                    this.clearSelection();
                } else {
                    this.selection.selectTo(pos.row, pos.column);
                }
            } else {
                this.selection.moveTo(pos.row, pos.column);
            }
        }
    };
    this.gotoLine = function(lineNumber, column, animate) {
        this.selection.clearSelection();
        this.session.unfold({row: lineNumber - 1, column: column || 0});
        this.exitMultiSelectMode && this.exitMultiSelectMode();
        this.moveCursorTo(lineNumber - 1, column || 0);

        if (!this.isRowFullyVisible(lineNumber - 1))
            this.scrollToLine(lineNumber - 1, true, animate);
    };
    this.navigateTo = function(row, column) {
        this.selection.moveTo(row, column);
    };
    this.navigateUp = function(times) {
        if (this.selection.isMultiLine() && !this.selection.isBackwards()) {
            var selectionStart = this.selection.anchor.getPosition();
            return this.moveCursorToPosition(selectionStart);
        }
        this.selection.clearSelection();
        this.selection.moveCursorBy(-times || -1, 0);
    };
    this.navigateDown = function(times) {
        if (this.selection.isMultiLine() && this.selection.isBackwards()) {
            var selectionEnd = this.selection.anchor.getPosition();
            return this.moveCursorToPosition(selectionEnd);
        }
        this.selection.clearSelection();
        this.selection.moveCursorBy(times || 1, 0);
    };
    this.navigateLeft = function(times) {
        if (!this.selection.isEmpty()) {
            var selectionStart = this.getSelectionRange().start;
            this.moveCursorToPosition(selectionStart);
        }
        else {
            times = times || 1;
            while (times--) {
                this.selection.moveCursorLeft();
            }
        }
        this.clearSelection();
    };
    this.navigateRight = function(times) {
        if (!this.selection.isEmpty()) {
            var selectionEnd = this.getSelectionRange().end;
            this.moveCursorToPosition(selectionEnd);
        }
        else {
            times = times || 1;
            while (times--) {
                this.selection.moveCursorRight();
            }
        }
        this.clearSelection();
    };
    this.navigateLineStart = function() {
        this.selection.moveCursorLineStart();
        this.clearSelection();
    };
    this.navigateLineEnd = function() {
        this.selection.moveCursorLineEnd();
        this.clearSelection();
    };
    this.navigateFileEnd = function() {
        this.selection.moveCursorFileEnd();
        this.clearSelection();
    };
    this.navigateFileStart = function() {
        this.selection.moveCursorFileStart();
        this.clearSelection();
    };
    this.navigateWordRight = function() {
        this.selection.moveCursorWordRight();
        this.clearSelection();
    };
    this.navigateWordLeft = function() {
        this.selection.moveCursorWordLeft();
        this.clearSelection();
    };
    this.replace = function(replacement, options) {
        if (options)
            this.$search.set(options);

        var range = this.$search.find(this.session);
        var replaced = 0;
        if (!range)
            return replaced;

        if (this.$tryReplace(range, replacement)) {
            replaced = 1;
        }

        this.selection.setSelectionRange(range);
        this.renderer.scrollSelectionIntoView(range.start, range.end);

        return replaced;
    };
    this.replaceAll = function(replacement, options) {
        if (options) {
            this.$search.set(options);
        }

        var ranges = this.$search.findAll(this.session);
        var replaced = 0;
        if (!ranges.length)
            return replaced;

        var selection = this.getSelectionRange();
        this.selection.moveTo(0, 0);

        for (var i = ranges.length - 1; i >= 0; --i) {
            if(this.$tryReplace(ranges[i], replacement)) {
                replaced++;
            }
        }

        this.selection.setSelectionRange(selection);

        return replaced;
    };

    this.$tryReplace = function(range, replacement) {
        var input = this.session.getTextRange(range);
        replacement = this.$search.replace(input, replacement);
        if (replacement !== null) {
            range.end = this.session.replace(range, replacement);
            return range;
        } else {
            return null;
        }
    };
    this.getLastSearchOptions = function() {
        return this.$search.getOptions();
    };
    this.find = function(needle, options, animate) {
        if (!options)
            options = {};

        if (typeof needle == "string" || needle instanceof RegExp)
            options.needle = needle;
        else if (typeof needle == "object")
            oop.mixin(options, needle);

        var range = this.selection.getRange();
        if (options.needle == null) {
            needle = this.session.getTextRange(range)
                || this.$search.$options.needle;
            if (!needle) {
                range = this.session.getWordRange(range.start.row, range.start.column);
                needle = this.session.getTextRange(range);
            }
            this.$search.set({needle: needle});
        }

        this.$search.set(options);
        if (!options.start)
            this.$search.set({start: range});

        var newRange = this.$search.find(this.session);
        if (options.preventScroll)
            return newRange;
        if (newRange) {
            this.revealRange(newRange, animate);
            return newRange;
        }
        if (options.backwards)
            range.start = range.end;
        else
            range.end = range.start;
        this.selection.setRange(range);
    };
    this.findNext = function(options, animate) {
        this.find({skipCurrent: true, backwards: false}, options, animate);
    };
    this.findPrevious = function(options, animate) {
        this.find(options, {skipCurrent: true, backwards: true}, animate);
    };

    this.revealRange = function(range, animate) {
        this.session.unfold(range);
        this.selection.setSelectionRange(range);

        var scrollTop = this.renderer.scrollTop;
        this.renderer.scrollSelectionIntoView(range.start, range.end, 0.5);
        if (animate !== false)
            this.renderer.animateScrolling(scrollTop);
    };
    this.undo = function() {
        this.session.getUndoManager().undo(this.session);
        this.renderer.scrollCursorIntoView(null, 0.5);
    };
    this.redo = function() {
        this.session.getUndoManager().redo(this.session);
        this.renderer.scrollCursorIntoView(null, 0.5);
    };
    this.destroy = function() {
        if (this.$toDestroy) {
            this.$toDestroy.forEach(function(el) {
                el.destroy();
            });
            this.$toDestroy = null;
        }
        if (this.$mouseHandler)
            this.$mouseHandler.destroy();
        this.renderer.destroy();
        this._signal("destroy", this);
        if (this.session)
            this.session.destroy();
        if (this._$emitInputEvent)
            this._$emitInputEvent.cancel();
        this.removeAllListeners();
    };
    this.setAutoScrollEditorIntoView = function(enable) {
        if (!enable)
            return;
        var rect;
        var self = this;
        var shouldScroll = false;
        if (!this.$scrollAnchor)
            this.$scrollAnchor = document.createElement("div");
        var scrollAnchor = this.$scrollAnchor;
        scrollAnchor.style.cssText = "position:absolute";
        this.container.insertBefore(scrollAnchor, this.container.firstChild);
        var onChangeSelection = this.on("changeSelection", function() {
            shouldScroll = true;
        });
        var onBeforeRender = this.renderer.on("beforeRender", function() {
            if (shouldScroll)
                rect = self.renderer.container.getBoundingClientRect();
        });
        var onAfterRender = this.renderer.on("afterRender", function() {
            if (shouldScroll && rect && (self.isFocused()
                || self.searchBox && self.searchBox.isFocused())
            ) {
                var renderer = self.renderer;
                var pos = renderer.$cursorLayer.$pixelPos;
                var config = renderer.layerConfig;
                var top = pos.top - config.offset;
                if (pos.top >= 0 && top + rect.top < 0) {
                    shouldScroll = true;
                } else if (pos.top < config.height &&
                    pos.top + rect.top + config.lineHeight > window.innerHeight) {
                    shouldScroll = false;
                } else {
                    shouldScroll = null;
                }
                if (shouldScroll != null) {
                    scrollAnchor.style.top = top + "px";
                    scrollAnchor.style.left = pos.left + "px";
                    scrollAnchor.style.height = config.lineHeight + "px";
                    scrollAnchor.scrollIntoView(shouldScroll);
                }
                shouldScroll = rect = null;
            }
        });
        this.setAutoScrollEditorIntoView = function(enable) {
            if (enable)
                return;
            delete this.setAutoScrollEditorIntoView;
            this.off("changeSelection", onChangeSelection);
            this.renderer.off("afterRender", onAfterRender);
            this.renderer.off("beforeRender", onBeforeRender);
        };
    };


    this.$resetCursorStyle = function() {
        var style = this.$cursorStyle || "ace";
        var cursorLayer = this.renderer.$cursorLayer;
        if (!cursorLayer)
            return;
        cursorLayer.setSmoothBlinking(/smooth/.test(style));
        cursorLayer.isBlinking = !this.$readOnly && style != "wide";
        dom.setCssClass(cursorLayer.element, "ace_slim-cursors", /slim/.test(style));
    };
    this.prompt = function(message, options, callback) {
        var editor = this;
        config.loadModule("./ext/prompt", function (module) {
            module.prompt(editor, message, options, callback);
        });
    };

}).call(Editor.prototype);



config.defineOptions(Editor.prototype, "editor", {
    selectionStyle: {
        set: function(style) {
            this.onSelectionChange();
            this._signal("changeSelectionStyle", {data: style});
        },
        initialValue: "line"
    },
    highlightActiveLine: {
        set: function() {this.$updateHighlightActiveLine();},
        initialValue: true
    },
    highlightSelectedWord: {
        set: function(shouldHighlight) {this.$onSelectionChange();},
        initialValue: true
    },
    readOnly: {
        set: function(readOnly) {
            this.textInput.setReadOnly(readOnly);
            this.$resetCursorStyle(); 
        },
        initialValue: false
    },
    copyWithEmptySelection: {
        set: function(value) {
            this.textInput.setCopyWithEmptySelection(value);
        },
        initialValue: false
    },
    cursorStyle: {
        set: function(val) { this.$resetCursorStyle(); },
        values: ["ace", "slim", "smooth", "wide"],
        initialValue: "ace"
    },
    mergeUndoDeltas: {
        values: [false, true, "always"],
        initialValue: true
    },
    behavioursEnabled: {initialValue: true},
    wrapBehavioursEnabled: {initialValue: true},
    enableAutoIndent: {initialValue: true},
    autoScrollEditorIntoView: {
        set: function(val) {this.setAutoScrollEditorIntoView(val);}
    },
    keyboardHandler: {
        set: function(val) { this.setKeyboardHandler(val); },
        get: function() { return this.$keybindingId; },
        handlesSet: true
    },
    value: {
        set: function(val) { this.session.setValue(val); },
        get: function() { return this.getValue(); },
        handlesSet: true,
        hidden: true
    },
    session: {
        set: function(val) { this.setSession(val); },
        get: function() { return this.session; },
        handlesSet: true,
        hidden: true
    },
    
    showLineNumbers: {
        set: function(show) {
            this.renderer.$gutterLayer.setShowLineNumbers(show);
            this.renderer.$loop.schedule(this.renderer.CHANGE_GUTTER);
            if (show && this.$relativeLineNumbers)
                relativeNumberRenderer.attach(this);
            else
                relativeNumberRenderer.detach(this);
        },
        initialValue: true
    },
    relativeLineNumbers: {
        set: function(value) {
            if (this.$showLineNumbers && value)
                relativeNumberRenderer.attach(this);
            else
                relativeNumberRenderer.detach(this);
        }
    },
    placeholder: {
        set: function(message) {
            if (!this.$updatePlaceholder) {
                this.$updatePlaceholder = function() {
                    var value = this.session && (this.renderer.$composition || this.getValue());
                    if (value && this.renderer.placeholderNode) {
                        this.renderer.off("afterRender", this.$updatePlaceholder);
                        dom.removeCssClass(this.container, "ace_hasPlaceholder");
                        this.renderer.placeholderNode.remove();
                        this.renderer.placeholderNode = null;
                    } else if (!value && !this.renderer.placeholderNode) {
                        this.renderer.on("afterRender", this.$updatePlaceholder);
                        dom.addCssClass(this.container, "ace_hasPlaceholder");
                        var el = dom.createElement("div");
                        el.className = "ace_placeholder";
                        el.textContent = this.$placeholder || "";
                        this.renderer.placeholderNode = el;
                        this.renderer.content.appendChild(this.renderer.placeholderNode);
                    } else if (!value && this.renderer.placeholderNode) {
                        this.renderer.placeholderNode.textContent = this.$placeholder || "";
                    }
                }.bind(this);
                this.on("input", this.$updatePlaceholder);
            }
            this.$updatePlaceholder();
        }
    },

    hScrollBarAlwaysVisible: "renderer",
    vScrollBarAlwaysVisible: "renderer",
    highlightGutterLine: "renderer",
    animatedScroll: "renderer",
    showInvisibles: "renderer",
    showPrintMargin: "renderer",
    printMarginColumn: "renderer",
    printMargin: "renderer",
    fadeFoldWidgets: "renderer",
    showFoldWidgets: "renderer",
    displayIndentGuides: "renderer",
    showGutter: "renderer",
    fontSize: "renderer",
    fontFamily: "renderer",
    maxLines: "renderer",
    minLines: "renderer",
    scrollPastEnd: "renderer",
    fixedWidthGutter: "renderer",
    theme: "renderer",
    hasCssTransforms: "renderer",
    maxPixelHeight: "renderer",
    useTextareaForIME: "renderer",

    scrollSpeed: "$mouseHandler",
    dragDelay: "$mouseHandler",
    dragEnabled: "$mouseHandler",
    focusTimeout: "$mouseHandler",
    tooltipFollowsMouse: "$mouseHandler",

    firstLineNumber: "session",
    overwrite: "session",
    newLineMode: "session",
    useWorker: "session",
    useSoftTabs: "session",
    navigateWithinSoftTabs: "session",
    tabSize: "session",
    wrap: "session",
    indentedSoftWrap: "session",
    foldStyle: "session",
    mode: "session"
});


var relativeNumberRenderer = {
    getText: function(session, row) {
        return (Math.abs(session.selection.lead.row - row) || (row + 1 + (row < 9 ? "\xb7" : ""))) + "";
    },
    getWidth: function(session, lastLineNumber, config) {
        return Math.max(
            lastLineNumber.toString().length,
            (config.lastRow + 1).toString().length,
            2
        ) * config.characterWidth;
    },
    update: function(e, editor) {
        editor.renderer.$loop.schedule(editor.renderer.CHANGE_GUTTER);
    },
    attach: function(editor) {
        editor.renderer.$gutterLayer.$renderer = this;
        editor.on("changeSelection", this.update);
        this.update(null, editor);
    },
    detach: function(editor) {
        if (editor.renderer.$gutterLayer.$renderer == this)
            editor.renderer.$gutterLayer.$renderer = null;
        editor.off("changeSelection", this.update);
        this.update(null, editor);
    }
};

exports.Editor = Editor;
});

ace.define("ace/undomanager",["require","exports","module","ace/range"], function(require, exports, module) {
"use strict";
var UndoManager = function() {
    this.$maxRev = 0;
    this.$fromUndo = false;
    this.reset();
};

(function() {
    
    this.addSession = function(session) {
        this.$session = session;
    };
    this.add = function(delta, allowMerge, session) {
        if (this.$fromUndo) return;
        if (delta == this.$lastDelta) return;
        if (!this.$keepRedoStack) this.$redoStack.length = 0;
        if (allowMerge === false || !this.lastDeltas) {
            this.lastDeltas = [];
            this.$undoStack.push(this.lastDeltas);
            delta.id = this.$rev = ++this.$maxRev;
        }
        if (delta.action == "remove" || delta.action == "insert")
            this.$lastDelta = delta;
        this.lastDeltas.push(delta);
    };
    
    this.addSelection = function(selection, rev) {
        this.selections.push({
            value: selection,
            rev: rev || this.$rev
        });
    };
    
    this.startNewGroup = function() {
        this.lastDeltas = null;
        return this.$rev;
    };
    
    this.markIgnored = function(from, to) {
        if (to == null) to = this.$rev + 1;
        var stack = this.$undoStack;
        for (var i = stack.length; i--;) {
            var delta = stack[i][0];
            if (delta.id <= from)
                break;
            if (delta.id < to)
                delta.ignore = true;
        }
        this.lastDeltas = null;
    };
    
    this.getSelection = function(rev, after) {
        var stack = this.selections;
        for (var i = stack.length; i--;) {
            var selection = stack[i];
            if (selection.rev < rev) {
                if (after)
                    selection = stack[i + 1];
                return selection;
            }
        }
    };
    
    this.getRevision = function() {
        return this.$rev;
    };
    
    this.getDeltas = function(from, to) {
        if (to == null) to = this.$rev + 1;
        var stack = this.$undoStack;
        var end = null, start = 0;
        for (var i = stack.length; i--;) {
            var delta = stack[i][0];
            if (delta.id < to && !end)
                end = i+1;
            if (delta.id <= from) {
                start = i + 1;
                break;
            }
        }
        return stack.slice(start, end);
    };
    
    this.getChangedRanges = function(from, to) {
        if (to == null) to = this.$rev + 1;
        
    };
    
    this.getChangedLines = function(from, to) {
        if (to == null) to = this.$rev + 1;
        
    };
    this.undo = function(session, dontSelect) {
        this.lastDeltas = null;
        var stack = this.$undoStack;
        
        if (!rearrangeUndoStack(stack, stack.length))
            return;
        
        if (!session)
            session = this.$session;
        
        if (this.$redoStackBaseRev !== this.$rev && this.$redoStack.length)
            this.$redoStack = [];
        
        this.$fromUndo = true;
        
        var deltaSet = stack.pop();
        var undoSelectionRange = null;
        if (deltaSet) {
            undoSelectionRange = session.undoChanges(deltaSet, dontSelect);
            this.$redoStack.push(deltaSet);
            this.$syncRev();
        }
        
        this.$fromUndo = false;

        return undoSelectionRange;
    };
    this.redo = function(session, dontSelect) {
        this.lastDeltas = null;
        
        if (!session)
            session = this.$session;
        
        this.$fromUndo = true;
        if (this.$redoStackBaseRev != this.$rev) {
            var diff = this.getDeltas(this.$redoStackBaseRev, this.$rev + 1);
            rebaseRedoStack(this.$redoStack, diff);
            this.$redoStackBaseRev = this.$rev;
            this.$redoStack.forEach(function(x) {
                x[0].id = ++this.$maxRev;
            }, this);
        }
        var deltaSet = this.$redoStack.pop();
        var redoSelectionRange = null;
        
        if (deltaSet) {
            redoSelectionRange = session.redoChanges(deltaSet, dontSelect);
            this.$undoStack.push(deltaSet);
            this.$syncRev();
        }
        this.$fromUndo = false;
        
        return redoSelectionRange;
    };
    
    this.$syncRev = function() {
        var stack = this.$undoStack;
        var nextDelta = stack[stack.length - 1];
        var id = nextDelta && nextDelta[0].id || 0;
        this.$redoStackBaseRev = id;
        this.$rev = id;
    };
    this.reset = function() {
        this.lastDeltas = null;
        this.$lastDelta = null;
        this.$undoStack = [];
        this.$redoStack = [];
        this.$rev = 0;
        this.mark = 0;
        this.$redoStackBaseRev = this.$rev;
        this.selections = [];
    };
    this.canUndo = function() {
        return this.$undoStack.length > 0;
    };
    this.canRedo = function() {
        return this.$redoStack.length > 0;
    };
    this.bookmark = function(rev) {
        if (rev == undefined)
            rev = this.$rev;
        this.mark = rev;
    };
    this.isAtBookmark = function() {
        return this.$rev === this.mark;
    };
    
    this.toJSON = function() {
        
    };
    
    this.fromJSON = function() {
        
    };
    
    this.hasUndo = this.canUndo;
    this.hasRedo = this.canRedo;
    this.isClean = this.isAtBookmark;
    this.markClean = this.bookmark;
    
    this.$prettyPrint = function(delta) {
        if (delta) return stringifyDelta(delta);
        return stringifyDelta(this.$undoStack) + "\n---\n" + stringifyDelta(this.$redoStack);
    };
}).call(UndoManager.prototype);

function rearrangeUndoStack(stack, pos) {
    for (var i = pos; i--; ) {
        var deltaSet = stack[i];
        if (deltaSet && !deltaSet[0].ignore) {
            while(i < pos - 1) {
                var swapped = swapGroups(stack[i], stack[i + 1]);
                stack[i] = swapped[0];
                stack[i + 1] = swapped[1];
                i++;
            }
            return true;
        }
    }
}

var Range = require("./range").Range;
var cmp = Range.comparePoints;
var comparePoints = Range.comparePoints;

function $updateMarkers(delta) {
    var isInsert = delta.action == "insert";
    var start = delta.start;
    var end = delta.end;
    var rowShift = (end.row - start.row) * (isInsert ? 1 : -1);
    var colShift = (end.column - start.column) * (isInsert ? 1 : -1);
    if (isInsert) end = start;

    for (var i in this.marks) {
        var point = this.marks[i];
        var cmp = comparePoints(point, start);
        if (cmp < 0) {
            continue; // delta starts after the range
        }
        if (cmp === 0) {
            if (isInsert) {
                if (point.bias == 1) {
                    cmp = 1;
                }
                else {
                    point.bias == -1;
                    continue;
                }
            }
        }
        var cmp2 = isInsert ? cmp : comparePoints(point, end);
        if (cmp2 > 0) {
            point.row += rowShift;
            point.column += point.row == end.row ? colShift : 0;
            continue;
        }
        if (!isInsert && cmp2 <= 0) {
            point.row = start.row;
            point.column = start.column;
            if (cmp2 === 0)
                point.bias = 1;
        }
    }
}



function clonePos(pos) {
    return {row: pos.row,column: pos.column};
}
function cloneDelta(d) {
    return {
        start: clonePos(d.start),
        end: clonePos(d.end),
        action: d.action,
        lines: d.lines.slice()
    };
}
function stringifyDelta(d) {
    d = d || this;
    if (Array.isArray(d)) {
        return d.map(stringifyDelta).join("\n");
    }
    var type = "";
    if (d.action) {
        type = d.action == "insert" ? "+" : "-";
        type += "[" + d.lines + "]";
    } else if (d.value) {
        if (Array.isArray(d.value)) {
            type = d.value.map(stringifyRange).join("\n");
        } else {
            type = stringifyRange(d.value);
        }
    }
    if (d.start) {
        type += stringifyRange(d);
    }
    if (d.id || d.rev) {
        type += "\t(" + (d.id || d.rev) + ")";
    }
    return type;
}
function stringifyRange(r) {
    return r.start.row + ":" + r.start.column 
        + "=>" + r.end.row + ":" + r.end.column;
}

function swap(d1, d2) {
    var i1 = d1.action == "insert";
    var i2 = d2.action == "insert";
    
    if (i1 && i2) {
        if (cmp(d2.start, d1.end) >= 0) {
            shift(d2, d1, -1);
        } else if (cmp(d2.start, d1.start) <= 0) {
            shift(d1, d2, +1);
        } else {
            return null;
        }
    } else if (i1 && !i2) {
        if (cmp(d2.start, d1.end) >= 0) {
            shift(d2, d1, -1);
        } else if (cmp(d2.end, d1.start) <= 0) {
            shift(d1, d2, -1);
        } else {
            return null;
        }
    } else if (!i1 && i2) {
        if (cmp(d2.start, d1.start) >= 0) {
            shift(d2, d1, +1);
        } else if (cmp(d2.start, d1.start) <= 0) {
            shift(d1, d2, +1);
        } else {
            return null;
        }
    } else if (!i1 && !i2) {
        if (cmp(d2.start, d1.start) >= 0) {
            shift(d2, d1, +1);
        } else if (cmp(d2.end, d1.start) <= 0) {
            shift(d1, d2, -1);
        } else {
            return null;
        }
    }
    return [d2, d1];
}
function swapGroups(ds1, ds2) {
    for (var i = ds1.length; i--; ) {
        for (var j = 0; j < ds2.length; j++) {
            if (!swap(ds1[i], ds2[j])) {
                while (i < ds1.length) {
                    while (j--) {
                        swap(ds2[j], ds1[i]);
                    }
                    j = ds2.length;
                    i++;
                }                
                return [ds1, ds2];
            }
        }
    }
    ds1.selectionBefore = ds2.selectionBefore = 
    ds1.selectionAfter = ds2.selectionAfter = null;
    return [ds2, ds1];
}
function xform(d1, c1) {
    var i1 = d1.action == "insert";
    var i2 = c1.action == "insert";
    
    if (i1 && i2) {
        if (cmp(d1.start, c1.start) < 0) {
            shift(c1, d1, 1);
        } else {
            shift(d1, c1, 1);
        }
    } else if (i1 && !i2) {
        if (cmp(d1.start, c1.end) >= 0) {
            shift(d1, c1, -1);
        } else if (cmp(d1.start, c1.start) <= 0) {
            shift(c1, d1, +1);
        } else {
            shift(d1, Range.fromPoints(c1.start, d1.start), -1);
            shift(c1, d1, +1);
        }
    } else if (!i1 && i2) {
        if (cmp(c1.start, d1.end) >= 0) {
            shift(c1, d1, -1);
        } else if (cmp(c1.start, d1.start) <= 0) {
            shift(d1, c1, +1);
        } else {
            shift(c1, Range.fromPoints(d1.start, c1.start), -1);
            shift(d1, c1, +1);
        }
    } else if (!i1 && !i2) {
        if (cmp(c1.start, d1.end) >= 0) {
            shift(c1, d1, -1);
        } else if (cmp(c1.end, d1.start) <= 0) {
            shift(d1, c1, -1);
        } else {
            var before, after;
            if (cmp(d1.start, c1.start) < 0) {
                before = d1;
                d1 = splitDelta(d1, c1.start);
            }
            if (cmp(d1.end, c1.end) > 0) {
                after = splitDelta(d1, c1.end);
            }

            shiftPos(c1.end, d1.start, d1.end, -1);
            if (after && !before) {
                d1.lines = after.lines;
                d1.start = after.start;
                d1.end = after.end;
                after = d1;
            }

            return [c1, before, after].filter(Boolean);
        }
    }
    return [c1, d1];
}
    
function shift(d1, d2, dir) {
    shiftPos(d1.start, d2.start, d2.end, dir);
    shiftPos(d1.end, d2.start, d2.end, dir);
}
function shiftPos(pos, start, end, dir) {
    if (pos.row == (dir == 1 ? start : end).row) {
        pos.column += dir * (end.column - start.column);
    }
    pos.row += dir * (end.row - start.row);
}
function splitDelta(c, pos) {
    var lines = c.lines;
    var end = c.end;
    c.end = clonePos(pos);    
    var rowsBefore = c.end.row - c.start.row;
    var otherLines = lines.splice(rowsBefore, lines.length);
    
    var col = rowsBefore ? pos.column : pos.column - c.start.column;
    lines.push(otherLines[0].substring(0, col));
    otherLines[0] = otherLines[0].substr(col)   ; 
    var rest = {
        start: clonePos(pos),
        end: end,
        lines: otherLines,
        action: c.action
    };
    return rest;
}

function moveDeltasByOne(redoStack, d) {
    d = cloneDelta(d);
    for (var j = redoStack.length; j--;) {
        var deltaSet = redoStack[j];
        for (var i = 0; i < deltaSet.length; i++) {
            var x = deltaSet[i];
            var xformed = xform(x, d);
            d = xformed[0];
            if (xformed.length != 2) {
                if (xformed[2]) {
                    deltaSet.splice(i + 1, 1, xformed[1], xformed[2]);
                    i++;
                } else if (!xformed[1]) {
                    deltaSet.splice(i, 1);
                    i--;
                }
            }
        }
        if (!deltaSet.length) {
            redoStack.splice(j, 1); 
        }
    }
    return redoStack;
}
function rebaseRedoStack(redoStack, deltaSets) {
    for (var i = 0; i < deltaSets.length; i++) {
        var deltas = deltaSets[i];
        for (var j = 0; j < deltas.length; j++) {
            moveDeltasByOne(redoStack, deltas[j]);
        }
    }
}

exports.UndoManager = UndoManager;

});

ace.define("ace/layer/lines",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
"use strict";

var dom = require("../lib/dom");

var Lines = function(element, canvasHeight) {
    this.element = element;
    this.canvasHeight = canvasHeight || 500000;
    this.element.style.height = (this.canvasHeight * 2) + "px";
    
    this.cells = [];
    this.cellCache = [];
    this.$offsetCoefficient = 0;
};

(function() {
    
    this.moveContainer = function(config) {
        dom.translate(this.element, 0, -((config.firstRowScreen * config.lineHeight) % this.canvasHeight) - config.offset * this.$offsetCoefficient);
    };    
    
    this.pageChanged = function(oldConfig, newConfig) {
        return (
            Math.floor((oldConfig.firstRowScreen * oldConfig.lineHeight) / this.canvasHeight) !==
            Math.floor((newConfig.firstRowScreen * newConfig.lineHeight) / this.canvasHeight)
        );
    };
    
    this.computeLineTop = function(row, config, session) {
        var screenTop = config.firstRowScreen * config.lineHeight;
        var screenPage = Math.floor(screenTop / this.canvasHeight);
        var lineTop = session.documentToScreenRow(row, 0) * config.lineHeight;
        return lineTop - (screenPage * this.canvasHeight);
    };
    
    this.computeLineHeight = function(row, config, session) {
        return config.lineHeight * session.getRowLineCount(row);
    };
    
    this.getLength = function() {
        return this.cells.length;
    };
    
    this.get = function(index) {
        return this.cells[index];
    };
    
    this.shift = function() {
        this.$cacheCell(this.cells.shift());
    };
    
    this.pop = function() {
        this.$cacheCell(this.cells.pop());
    };
    
    this.push = function(cell) {
        if (Array.isArray(cell)) {
            this.cells.push.apply(this.cells, cell);
            var fragment = dom.createFragment(this.element);
            for (var i=0; i<cell.length; i++) {
                fragment.appendChild(cell[i].element);
            }
            this.element.appendChild(fragment);
        } else {
            this.cells.push(cell);
            this.element.appendChild(cell.element);
        }
    };
    
    this.unshift = function(cell) {
        if (Array.isArray(cell)) {
            this.cells.unshift.apply(this.cells, cell);
            var fragment = dom.createFragment(this.element);
            for (var i=0; i<cell.length; i++) {
                fragment.appendChild(cell[i].element);
            }
            if (this.element.firstChild)
                this.element.insertBefore(fragment, this.element.firstChild);
            else
                this.element.appendChild(fragment);
        } else {
            this.cells.unshift(cell);
            this.element.insertAdjacentElement("afterbegin", cell.element);
        }
    };
    
    this.last = function() {
        if (this.cells.length)
            return this.cells[this.cells.length-1];
        else
            return null;
    };
    
    this.$cacheCell = function(cell) {
        if (!cell)
            return;
            
        cell.element.remove();
        this.cellCache.push(cell);
    };
    
    this.createCell = function(row, config, session, initElement) {
        var cell = this.cellCache.pop();
        if (!cell) {
            var element = dom.createElement("div");
            if (initElement)
                initElement(element);
            
            this.element.appendChild(element);
            
            cell = {
                element: element,
                text: "",
                row: row
            };
        }
        cell.row = row;
        
        return cell;
    };
    
}).call(Lines.prototype);

exports.Lines = Lines;

});

ace.define("ace/layer/gutter",["require","exports","module","ace/lib/dom","ace/lib/oop","ace/lib/lang","ace/lib/event_emitter","ace/layer/lines"], function(require, exports, module) {
"use strict";

var dom = require("../lib/dom");
var oop = require("../lib/oop");
var lang = require("../lib/lang");
var EventEmitter = require("../lib/event_emitter").EventEmitter;
var Lines = require("./lines").Lines;

var Gutter = function(parentEl) {
    this.element = dom.createElement("div");
    this.element.className = "ace_layer ace_gutter-layer";
    parentEl.appendChild(this.element);
    this.setShowFoldWidgets(this.$showFoldWidgets);
    
    this.gutterWidth = 0;

    this.$annotations = [];
    this.$updateAnnotations = this.$updateAnnotations.bind(this);
    
    this.$lines = new Lines(this.element);
    this.$lines.$offsetCoefficient = 1;
};

(function() {

    oop.implement(this, EventEmitter);

    this.setSession = function(session) {
        if (this.session)
            this.session.off("change", this.$updateAnnotations);
        this.session = session;
        if (session)
            session.on("change", this.$updateAnnotations);
    };

    this.addGutterDecoration = function(row, className) {
        if (window.console)
            console.warn && console.warn("deprecated use session.addGutterDecoration");
        this.session.addGutterDecoration(row, className);
    };

    this.removeGutterDecoration = function(row, className) {
        if (window.console)
            console.warn && console.warn("deprecated use session.removeGutterDecoration");
        this.session.removeGutterDecoration(row, className);
    };

    this.setAnnotations = function(annotations) {
        this.$annotations = [];
        for (var i = 0; i < annotations.length; i++) {
            var annotation = annotations[i];
            var row = annotation.row;
            var rowInfo = this.$annotations[row];
            if (!rowInfo)
                rowInfo = this.$annotations[row] = {text: []};
           
            var annoText = annotation.text;
            annoText = annoText ? lang.escapeHTML(annoText) : annotation.html || "";

            if (rowInfo.text.indexOf(annoText) === -1)
                rowInfo.text.push(annoText);

            var type = annotation.type;
            var className = annotation.className;
            if (className) 
                rowInfo.className = className;
            else if (type == "error")
                rowInfo.className = " ace_error";
            else if (type == "warning" && rowInfo.className != " ace_error")
                rowInfo.className = " ace_warning";
            else if (type == "info" && (!rowInfo.className))
                rowInfo.className = " ace_info";
        }
    };

    this.$updateAnnotations = function (delta) {
        if (!this.$annotations.length)
            return;
        var firstRow = delta.start.row;
        var len = delta.end.row - firstRow;
        if (len === 0) {
        } else if (delta.action == 'remove') {
            this.$annotations.splice(firstRow, len + 1, null);
        } else {
            var args = new Array(len + 1);
            args.unshift(firstRow, 1);
            this.$annotations.splice.apply(this.$annotations, args);
        }
    };

    this.update = function(config) {
        this.config = config;
        
        var session = this.session;
        var firstRow = config.firstRow;
        var lastRow = Math.min(config.lastRow + config.gutterOffset,  // needed to compensate for hor scollbar
            session.getLength() - 1);
            
        this.oldLastRow = lastRow;
        this.config = config;
        
        this.$lines.moveContainer(config);
        this.$updateCursorRow();
            
        var fold = session.getNextFoldLine(firstRow);
        var foldStart = fold ? fold.start.row : Infinity;

        var cell = null;
        var index = -1;
        var row = firstRow;
        
        while (true) {
            if (row > foldStart) {
                row = fold.end.row + 1;
                fold = session.getNextFoldLine(row, fold);
                foldStart = fold ? fold.start.row : Infinity;
            }
            if (row > lastRow) {
                while (this.$lines.getLength() > index + 1)
                    this.$lines.pop();
                    
                break;
            }

            cell = this.$lines.get(++index);
            if (cell) {
                cell.row = row;
            } else {
                cell = this.$lines.createCell(row, config, this.session, onCreateCell);
                this.$lines.push(cell);
            }

            this.$renderCell(cell, config, fold, row);
            row++;
        }
        
        this._signal("afterRender");
        this.$updateGutterWidth(config);
    };

    this.$updateGutterWidth = function(config) {
        var session = this.session;
        
        var gutterRenderer = session.gutterRenderer || this.$renderer;
        
        var firstLineNumber = session.$firstLineNumber;
        var lastLineText = this.$lines.last() ? this.$lines.last().text : "";
        
        if (this.$fixedWidth || session.$useWrapMode)
            lastLineText = session.getLength() + firstLineNumber - 1;

        var gutterWidth = gutterRenderer 
            ? gutterRenderer.getWidth(session, lastLineText, config)
            : lastLineText.toString().length * config.characterWidth;
        
        var padding = this.$padding || this.$computePadding();
        gutterWidth += padding.left + padding.right;
        if (gutterWidth !== this.gutterWidth && !isNaN(gutterWidth)) {
            this.gutterWidth = gutterWidth;
            this.element.parentNode.style.width = 
            this.element.style.width = Math.ceil(this.gutterWidth) + "px";
            this._signal("changeGutterWidth", gutterWidth);
        }
    };
    
    this.$updateCursorRow = function() {
        if (!this.$highlightGutterLine)
            return;
            
        var position = this.session.selection.getCursor();
        if (this.$cursorRow === position.row)
            return;
        
        this.$cursorRow = position.row;
    };
    
    this.updateLineHighlight = function() {
        if (!this.$highlightGutterLine)
            return;
        var row = this.session.selection.cursor.row;
        this.$cursorRow = row;

        if (this.$cursorCell && this.$cursorCell.row == row)
            return;
        if (this.$cursorCell)
            this.$cursorCell.element.className = this.$cursorCell.element.className.replace("ace_gutter-active-line ", "");
        var cells = this.$lines.cells;
        this.$cursorCell = null;
        for (var i = 0; i < cells.length; i++) {
            var cell = cells[i];
            if (cell.row >= this.$cursorRow) {
                if (cell.row > this.$cursorRow) {
                    var fold = this.session.getFoldLine(this.$cursorRow);
                    if (i > 0 && fold && fold.start.row == cells[i - 1].row)
                        cell = cells[i - 1];
                    else
                        break;
                }
                cell.element.className = "ace_gutter-active-line " + cell.element.className;
                this.$cursorCell = cell;
                break;
            }
        }
    };
    
    this.scrollLines = function(config) {
        var oldConfig = this.config;
        this.config = config;
        
        this.$updateCursorRow();
        if (this.$lines.pageChanged(oldConfig, config))
            return this.update(config);
        
        this.$lines.moveContainer(config);

        var lastRow = Math.min(config.lastRow + config.gutterOffset,  // needed to compensate for hor scollbar
            this.session.getLength() - 1);
        var oldLastRow = this.oldLastRow;
        this.oldLastRow = lastRow;
        
        if (!oldConfig || oldLastRow < config.firstRow)
            return this.update(config);

        if (lastRow < oldConfig.firstRow)
            return this.update(config);

        if (oldConfig.firstRow < config.firstRow)
            for (var row=this.session.getFoldedRowCount(oldConfig.firstRow, config.firstRow - 1); row>0; row--)
                this.$lines.shift();

        if (oldLastRow > lastRow)
            for (var row=this.session.getFoldedRowCount(lastRow + 1, oldLastRow); row>0; row--)
                this.$lines.pop();

        if (config.firstRow < oldConfig.firstRow) {
            this.$lines.unshift(this.$renderLines(config, config.firstRow, oldConfig.firstRow - 1));
        }

        if (lastRow > oldLastRow) {
            this.$lines.push(this.$renderLines(config, oldLastRow + 1, lastRow));
        }
        
        this.updateLineHighlight();
        
        this._signal("afterRender");
        this.$updateGutterWidth(config);
    };

    this.$renderLines = function(config, firstRow, lastRow) {
        var fragment = [];
        var row = firstRow;
        var foldLine = this.session.getNextFoldLine(row);
        var foldStart = foldLine ? foldLine.start.row : Infinity;

        while (true) {
            if (row > foldStart) {
                row = foldLine.end.row+1;
                foldLine = this.session.getNextFoldLine(row, foldLine);
                foldStart = foldLine ? foldLine.start.row : Infinity;
            }
            if (row > lastRow)
                break;

            var cell = this.$lines.createCell(row, config, this.session, onCreateCell);
            this.$renderCell(cell, config, foldLine, row);
            fragment.push(cell);

            row++;
        }
        return fragment;
    };
    
    this.$renderCell = function(cell, config, fold, row) {
        var element = cell.element;
        
        var session = this.session;
        
        var textNode = element.childNodes[0];
        var foldWidget = element.childNodes[1];

        var firstLineNumber = session.$firstLineNumber;
        
        var breakpoints = session.$breakpoints;
        var decorations = session.$decorations;
        var gutterRenderer = session.gutterRenderer || this.$renderer;
        var foldWidgets = this.$showFoldWidgets && session.foldWidgets;
        var foldStart = fold ? fold.start.row : Number.MAX_VALUE;
        
        var className = "ace_gutter-cell ";
        if (this.$highlightGutterLine) {
            if (row == this.$cursorRow || (fold && row < this.$cursorRow && row >= foldStart &&  this.$cursorRow <= fold.end.row)) {
                className += "ace_gutter-active-line ";
                if (this.$cursorCell != cell) {
                    if (this.$cursorCell)
                        this.$cursorCell.element.className = this.$cursorCell.element.className.replace("ace_gutter-active-line ", "");
                    this.$cursorCell = cell;
                }
            }
        }
        
        if (breakpoints[row])
            className += breakpoints[row];
        if (decorations[row])
            className += decorations[row];
        if (this.$annotations[row])
            className += this.$annotations[row].className;
        if (element.className != className)
            element.className = className;

        if (foldWidgets) {
            var c = foldWidgets[row];
            if (c == null)
                c = foldWidgets[row] = session.getFoldWidget(row);
        }

        if (c) {
            var className = "ace_fold-widget ace_" + c;
            if (c == "start" && row == foldStart && row < fold.end.row)
                className += " ace_closed";
            else
                className += " ace_open";
            if (foldWidget.className != className)
                foldWidget.className = className;

            var foldHeight = config.lineHeight + "px";
            dom.setStyle(foldWidget.style, "height", foldHeight);
            dom.setStyle(foldWidget.style, "display", "inline-block");
        } else {
            if (foldWidget) {
                dom.setStyle(foldWidget.style, "display", "none");
            }
        }
        
        var text = (gutterRenderer
            ? gutterRenderer.getText(session, row)
            : row + firstLineNumber).toString();
            
        if (text !== textNode.data) {
            textNode.data = text;
        }
        
        dom.setStyle(cell.element.style, "height", this.$lines.computeLineHeight(row, config, session) + "px");
        dom.setStyle(cell.element.style, "top", this.$lines.computeLineTop(row, config, session) + "px");
        
        cell.text = text;
        return cell;
    };

    this.$fixedWidth = false;
    
    this.$highlightGutterLine = true;
    this.$renderer = "";
    this.setHighlightGutterLine = function(highlightGutterLine) {
        this.$highlightGutterLine = highlightGutterLine;
    };
    
    this.$showLineNumbers = true;
    this.$renderer = "";
    this.setShowLineNumbers = function(show) {
        this.$renderer = !show && {
            getWidth: function() {return 0;},
            getText: function() {return "";}
        };
    };
    
    this.getShowLineNumbers = function() {
        return this.$showLineNumbers;
    };
    
    this.$showFoldWidgets = true;
    this.setShowFoldWidgets = function(show) {
        if (show)
            dom.addCssClass(this.element, "ace_folding-enabled");
        else
            dom.removeCssClass(this.element, "ace_folding-enabled");

        this.$showFoldWidgets = show;
        this.$padding = null;
    };
    
    this.getShowFoldWidgets = function() {
        return this.$showFoldWidgets;
    };

    this.$computePadding = function() {
        if (!this.element.firstChild)
            return {left: 0, right: 0};
        var style = dom.computedStyle(this.element.firstChild);
        this.$padding = {};
        this.$padding.left = (parseInt(style.borderLeftWidth) || 0)
            + (parseInt(style.paddingLeft) || 0) + 1;
        this.$padding.right = (parseInt(style.borderRightWidth) || 0)
            + (parseInt(style.paddingRight) || 0);
        return this.$padding;
    };

    this.getRegion = function(point) {
        var padding = this.$padding || this.$computePadding();
        var rect = this.element.getBoundingClientRect();
        if (point.x < padding.left + rect.left)
            return "markers";
        if (this.$showFoldWidgets && point.x > rect.right - padding.right)
            return "foldWidgets";
    };

}).call(Gutter.prototype);

function onCreateCell(element) {
    var textNode = document.createTextNode('');
    element.appendChild(textNode);
    
    var foldWidget = dom.createElement("span");
    element.appendChild(foldWidget);
    
    return element;
}

exports.Gutter = Gutter;

});

ace.define("ace/layer/marker",["require","exports","module","ace/range","ace/lib/dom"], function(require, exports, module) {
"use strict";

var Range = require("../range").Range;
var dom = require("../lib/dom");

var Marker = function(parentEl) {
    this.element = dom.createElement("div");
    this.element.className = "ace_layer ace_marker-layer";
    parentEl.appendChild(this.element);
};

(function() {

    this.$padding = 0;

    this.setPadding = function(padding) {
        this.$padding = padding;
    };
    this.setSession = function(session) {
        this.session = session;
    };
    
    this.setMarkers = function(markers) {
        this.markers = markers;
    };
    
    this.elt = function(className, css) {
        var x = this.i != -1 && this.element.childNodes[this.i];
        if (!x) {
            x = document.createElement("div");
            this.element.appendChild(x);
            this.i = -1;
        } else {
            this.i++;
        }
        x.style.cssText = css;
        x.className = className;
    };

    this.update = function(config) {
        if (!config) return;

        this.config = config;

        this.i = 0;
        var html;
        for (var key in this.markers) {
            var marker = this.markers[key];

            if (!marker.range) {
                marker.update(html, this, this.session, config);
                continue;
            }

            var range = marker.range.clipRows(config.firstRow, config.lastRow);
            if (range.isEmpty()) continue;

            range = range.toScreenRange(this.session);
            if (marker.renderer) {
                var top = this.$getTop(range.start.row, config);
                var left = this.$padding + range.start.column * config.characterWidth;
                marker.renderer(html, range, left, top, config);
            } else if (marker.type == "fullLine") {
                this.drawFullLineMarker(html, range, marker.clazz, config);
            } else if (marker.type == "screenLine") {
                this.drawScreenLineMarker(html, range, marker.clazz, config);
            } else if (range.isMultiLine()) {
                if (marker.type == "text")
                    this.drawTextMarker(html, range, marker.clazz, config);
                else
                    this.drawMultiLineMarker(html, range, marker.clazz, config);
            } else {
                this.drawSingleLineMarker(html, range, marker.clazz + " ace_start" + " ace_br15", config);
            }
        }
        if (this.i !=-1) {
            while (this.i < this.element.childElementCount)
                this.element.removeChild(this.element.lastChild);
        }
    };

    this.$getTop = function(row, layerConfig) {
        return (row - layerConfig.firstRowScreen) * layerConfig.lineHeight;
    };

    function getBorderClass(tl, tr, br, bl) {
        return (tl ? 1 : 0) | (tr ? 2 : 0) | (br ? 4 : 0) | (bl ? 8 : 0);
    }
    this.drawTextMarker = function(stringBuilder, range, clazz, layerConfig, extraStyle) {
        var session = this.session;
        var start = range.start.row;
        var end = range.end.row;
        var row = start;
        var prev = 0; 
        var curr = 0;
        var next = session.getScreenLastRowColumn(row);
        var lineRange = new Range(row, range.start.column, row, curr);
        for (; row <= end; row++) {
            lineRange.start.row = lineRange.end.row = row;
            lineRange.start.column = row == start ? range.start.column : session.getRowWrapIndent(row);
            lineRange.end.column = next;
            prev = curr;
            curr = next;
            next = row + 1 < end ? session.getScreenLastRowColumn(row + 1) : row == end ? 0 : range.end.column;
            this.drawSingleLineMarker(stringBuilder, lineRange, 
                clazz + (row == start  ? " ace_start" : "") + " ace_br"
                    + getBorderClass(row == start || row == start + 1 && range.start.column, prev < curr, curr > next, row == end),
                layerConfig, row == end ? 0 : 1, extraStyle);
        }
    };
    this.drawMultiLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {
        var padding = this.$padding;
        var height = config.lineHeight;
        var top = this.$getTop(range.start.row, config);
        var left = padding + range.start.column * config.characterWidth;
        extraStyle = extraStyle || "";

        if (this.session.$bidiHandler.isBidiRow(range.start.row)) {
           var range1 = range.clone();
           range1.end.row = range1.start.row;
           range1.end.column = this.session.getLine(range1.start.row).length;
           this.drawBidiSingleLineMarker(stringBuilder, range1, clazz + " ace_br1 ace_start", config, null, extraStyle);
        } else {
            this.elt(
                clazz + " ace_br1 ace_start",
                "height:"+ height+ "px;"+ "right:0;"+ "top:"+top+ "px;left:"+ left+ "px;" + (extraStyle || "")
            );
        }
        if (this.session.$bidiHandler.isBidiRow(range.end.row)) {
           var range1 = range.clone();
           range1.start.row = range1.end.row;
           range1.start.column = 0;
           this.drawBidiSingleLineMarker(stringBuilder, range1, clazz + " ace_br12", config, null, extraStyle);
        } else {
            top = this.$getTop(range.end.row, config);
            var width = range.end.column * config.characterWidth;

            this.elt(
                clazz + " ace_br12",
                "height:"+ height+ "px;"+
                "width:"+ width+ "px;"+
                "top:"+ top+ "px;"+
                "left:"+ padding+ "px;"+ (extraStyle || "")
            );
        }
        height = (range.end.row - range.start.row - 1) * config.lineHeight;
        if (height <= 0)
            return;
        top = this.$getTop(range.start.row + 1, config);
        
        var radiusClass = (range.start.column ? 1 : 0) | (range.end.column ? 0 : 8);

        this.elt(
            clazz + (radiusClass ? " ace_br" + radiusClass : ""),
            "height:"+ height+ "px;"+
            "right:0;"+
            "top:"+ top+ "px;"+
            "left:"+ padding+ "px;"+ (extraStyle || "")
        );
    };
    this.drawSingleLineMarker = function(stringBuilder, range, clazz, config, extraLength, extraStyle) {
        if (this.session.$bidiHandler.isBidiRow(range.start.row))
            return this.drawBidiSingleLineMarker(stringBuilder, range, clazz, config, extraLength, extraStyle);
        var height = config.lineHeight;
        var width = (range.end.column + (extraLength || 0) - range.start.column) * config.characterWidth;

        var top = this.$getTop(range.start.row, config);
        var left = this.$padding + range.start.column * config.characterWidth;

        this.elt(
            clazz,
            "height:"+ height+ "px;"+
            "width:"+ width+ "px;"+
            "top:"+ top+ "px;"+
            "left:"+ left+ "px;"+ (extraStyle || "")
        );
    };
    this.drawBidiSingleLineMarker = function(stringBuilder, range, clazz, config, extraLength, extraStyle) {
        var height = config.lineHeight, top = this.$getTop(range.start.row, config), padding = this.$padding;
        var selections = this.session.$bidiHandler.getSelections(range.start.column, range.end.column);

        selections.forEach(function(selection) {
            this.elt(
                clazz,
                "height:" + height + "px;" +
                "width:" + selection.width + (extraLength || 0) + "px;" +
                "top:" + top + "px;" +
                "left:" + (padding + selection.left) + "px;" + (extraStyle || "")
            );
        }, this);
    };

    this.drawFullLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {
        var top = this.$getTop(range.start.row, config);
        var height = config.lineHeight;
        if (range.start.row != range.end.row)
            height += this.$getTop(range.end.row, config) - top;

        this.elt(
            clazz,
            "height:"+ height+ "px;"+
            "top:"+ top+ "px;"+
            "left:0;right:0;"+ (extraStyle || "")
        );
    };
    
    this.drawScreenLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {
        var top = this.$getTop(range.start.row, config);
        var height = config.lineHeight;

        this.elt(
            clazz,
            "height:"+ height+ "px;"+
            "top:"+ top+ "px;"+
            "left:0;right:0;"+ (extraStyle || "")
        );
    };

}).call(Marker.prototype);

exports.Marker = Marker;

});

ace.define("ace/layer/text",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/lib/lang","ace/layer/lines","ace/lib/event_emitter"], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var dom = require("../lib/dom");
var lang = require("../lib/lang");
var Lines = require("./lines").Lines;
var EventEmitter = require("../lib/event_emitter").EventEmitter;

var Text = function(parentEl) {
    this.dom = dom; 
    this.element = this.dom.createElement("div");
    this.element.className = "ace_layer ace_text-layer";
    parentEl.appendChild(this.element);
    this.$updateEolChar = this.$updateEolChar.bind(this);
    this.$lines = new Lines(this.element);
};

(function() {

    oop.implement(this, EventEmitter);

    this.EOF_CHAR = "\xB6";
    this.EOL_CHAR_LF = "\xAC";
    this.EOL_CHAR_CRLF = "\xa4";
    this.EOL_CHAR = this.EOL_CHAR_LF;
    this.TAB_CHAR = "\u2014"; //"\u21E5";
    this.SPACE_CHAR = "\xB7";
    this.$padding = 0;
    this.MAX_LINE_LENGTH = 10000;

    this.$updateEolChar = function() {
        var doc = this.session.doc;
        var unixMode = doc.getNewLineCharacter() == "\n" && doc.getNewLineMode() != "windows";
        var EOL_CHAR = unixMode ? this.EOL_CHAR_LF : this.EOL_CHAR_CRLF;
        if (this.EOL_CHAR != EOL_CHAR) {
            this.EOL_CHAR = EOL_CHAR;
            return true;
        }
    };

    this.setPadding = function(padding) {
        this.$padding = padding;
        this.element.style.margin = "0 " + padding + "px";
    };

    this.getLineHeight = function() {
        return this.$fontMetrics.$characterSize.height || 0;
    };

    this.getCharacterWidth = function() {
        return this.$fontMetrics.$characterSize.width || 0;
    };
    
    this.$setFontMetrics = function(measure) {
        this.$fontMetrics = measure;
        this.$fontMetrics.on("changeCharacterSize", function(e) {
            this._signal("changeCharacterSize", e);
        }.bind(this));
        this.$pollSizeChanges();
    };

    this.checkForSizeChanges = function() {
        this.$fontMetrics.checkForSizeChanges();
    };
    this.$pollSizeChanges = function() {
        return this.$pollSizeChangesTimer = this.$fontMetrics.$pollSizeChanges();
    };
    this.setSession = function(session) {
        this.session = session;
        if (session)
            this.$computeTabString();
    };

    this.showInvisibles = false;
    this.showSpaces = false;
    this.showTabs = false;
    this.showEOL = false;
    this.setShowInvisibles = function(showInvisibles) {
        if (this.showInvisibles == showInvisibles)
            return false;

        this.showInvisibles = showInvisibles;
        if (typeof showInvisibles == "string") {
            this.showSpaces = /tab/i.test(showInvisibles);
            this.showTabs = /space/i.test(showInvisibles);
            this.showEOL = /eol/i.test(showInvisibles);
        } else {
            this.showSpaces = this.showTabs = this.showEOL = showInvisibles;
        }
        this.$computeTabString();
        return true;
    };

    this.displayIndentGuides = true;
    this.setDisplayIndentGuides = function(display) {
        if (this.displayIndentGuides == display)
            return false;

        this.displayIndentGuides = display;
        this.$computeTabString();
        return true;
    };

    this.$tabStrings = [];
    this.onChangeTabSize =
    this.$computeTabString = function() {
        var tabSize = this.session.getTabSize();
        this.tabSize = tabSize;
        var tabStr = this.$tabStrings = [0];
        for (var i = 1; i < tabSize + 1; i++) {
            if (this.showTabs) {
                var span = this.dom.createElement("span");
                span.className = "ace_invisible ace_invisible_tab";
                span.textContent = lang.stringRepeat(this.TAB_CHAR, i);
                tabStr.push(span);
            } else {
                tabStr.push(this.dom.createTextNode(lang.stringRepeat(" ", i), this.element));
            }
        }
        if (this.displayIndentGuides) {
            this.$indentGuideRe =  /\s\S| \t|\t |\s$/;
            var className = "ace_indent-guide";
            var spaceClass = this.showSpaces ? " ace_invisible ace_invisible_space" : "";
            var spaceContent = this.showSpaces
                ? lang.stringRepeat(this.SPACE_CHAR, this.tabSize)
                : lang.stringRepeat(" ", this.tabSize);

            var tabClass = this.showTabs ? " ace_invisible ace_invisible_tab" : "";
            var tabContent = this.showTabs 
                ? lang.stringRepeat(this.TAB_CHAR, this.tabSize)
                : spaceContent;

            var span = this.dom.createElement("span");
            span.className = className + spaceClass;
            span.textContent = spaceContent;
            this.$tabStrings[" "] = span;
            
            var span = this.dom.createElement("span");
            span.className = className + tabClass;
            span.textContent = tabContent;
            this.$tabStrings["\t"] = span;
        }
    };

    this.updateLines = function(config, firstRow, lastRow) {
        if (this.config.lastRow != config.lastRow ||
            this.config.firstRow != config.firstRow) {
            return this.update(config);
        }
        
        this.config = config;

        var first = Math.max(firstRow, config.firstRow);
        var last = Math.min(lastRow, config.lastRow);

        var lineElements = this.element.childNodes;
        var lineElementsIdx = 0;

        for (var row = config.firstRow; row < first; row++) {
            var foldLine = this.session.getFoldLine(row);
            if (foldLine) {
                if (foldLine.containsRow(first)) {
                    first = foldLine.start.row;
                    break;
                } else {
                    row = foldLine.end.row;
                }
            }
            lineElementsIdx ++;
        }

        var heightChanged = false;
        var row = first;
        var foldLine = this.session.getNextFoldLine(row);
        var foldStart = foldLine ? foldLine.start.row : Infinity;

        while (true) {
            if (row > foldStart) {
                row = foldLine.end.row+1;
                foldLine = this.session.getNextFoldLine(row, foldLine);
                foldStart = foldLine ? foldLine.start.row :Infinity;
            }
            if (row > last)
                break;

            var lineElement = lineElements[lineElementsIdx++];
            if (lineElement) {
                this.dom.removeChildren(lineElement);
                this.$renderLine(
                    lineElement, row, row == foldStart ? foldLine : false
                );

                if (heightChanged)
                    lineElement.style.top = this.$lines.computeLineTop(row, config, this.session) + "px";

                var height = (config.lineHeight * this.session.getRowLength(row)) + "px";
                if (lineElement.style.height != height) {
                    heightChanged = true;
                    lineElement.style.height = height;
                }
            }
            row++;
        }
        if (heightChanged) {
            while (lineElementsIdx < this.$lines.cells.length) {
                var cell = this.$lines.cells[lineElementsIdx++];
                cell.element.style.top = this.$lines.computeLineTop(cell.row, config, this.session) + "px";
            }
        }
    };

    this.scrollLines = function(config) {
        var oldConfig = this.config;
        this.config = config;

        if (this.$lines.pageChanged(oldConfig, config))
            return this.update(config);
            
        this.$lines.moveContainer(config);
        
        var lastRow = config.lastRow;
        var oldLastRow = oldConfig ? oldConfig.lastRow : -1;

        if (!oldConfig || oldLastRow < config.firstRow)
            return this.update(config);

        if (lastRow < oldConfig.firstRow)
            return this.update(config);

        if (!oldConfig || oldConfig.lastRow < config.firstRow)
            return this.update(config);

        if (config.lastRow < oldConfig.firstRow)
            return this.update(config);

        if (oldConfig.firstRow < config.firstRow)
            for (var row=this.session.getFoldedRowCount(oldConfig.firstRow, config.firstRow - 1); row>0; row--)
                this.$lines.shift();

        if (oldConfig.lastRow > config.lastRow)
            for (var row=this.session.getFoldedRowCount(config.lastRow + 1, oldConfig.lastRow); row>0; row--)
                this.$lines.pop();

        if (config.firstRow < oldConfig.firstRow) {
            this.$lines.unshift(this.$renderLinesFragment(config, config.firstRow, oldConfig.firstRow - 1));
        }

        if (config.lastRow > oldConfig.lastRow) {
            this.$lines.push(this.$renderLinesFragment(config, oldConfig.lastRow + 1, config.lastRow));
        }
    };

    this.$renderLinesFragment = function(config, firstRow, lastRow) {
        var fragment = [];
        var row = firstRow;
        var foldLine = this.session.getNextFoldLine(row);
        var foldStart = foldLine ? foldLine.start.row : Infinity;

        while (true) {
            if (row > foldStart) {
                row = foldLine.end.row+1;
                foldLine = this.session.getNextFoldLine(row, foldLine);
                foldStart = foldLine ? foldLine.start.row : Infinity;
            }
            if (row > lastRow)
                break;

            var line = this.$lines.createCell(row, config, this.session);
            
            var lineEl = line.element;
            this.dom.removeChildren(lineEl);
            dom.setStyle(lineEl.style, "height", this.$lines.computeLineHeight(row, config, this.session) + "px");
            dom.setStyle(lineEl.style, "top", this.$lines.computeLineTop(row, config, this.session) + "px");
            this.$renderLine(lineEl, row, row == foldStart ? foldLine : false);

            if (this.$useLineGroups()) {
                lineEl.className = "ace_line_group";
            } else {
                lineEl.className = "ace_line";
            }
            fragment.push(line);

            row++;
        }
        return fragment;
    };

    this.update = function(config) {
        this.$lines.moveContainer(config);
        
        this.config = config;

        var firstRow = config.firstRow;
        var lastRow = config.lastRow;

        var lines = this.$lines;
        while (lines.getLength())
            lines.pop();
            
        lines.push(this.$renderLinesFragment(config, firstRow, lastRow));
    };

    this.$textToken = {
        "text": true,
        "rparen": true,
        "lparen": true
    };

    this.$renderToken = function(parent, screenColumn, token, value) {
        var self = this;
        var re = /(\t)|( +)|([\x00-\x1f\x80-\xa0\xad\u1680\u180E\u2000-\u200f\u2028\u2029\u202F\u205F\uFEFF\uFFF9-\uFFFC\u2066\u2067\u2068\u202A\u202B\u202D\u202E\u202C\u2069]+)|(\u3000)|([\u1100-\u115F\u11A3-\u11A7\u11FA-\u11FF\u2329-\u232A\u2E80-\u2E99\u2E9B-\u2EF3\u2F00-\u2FD5\u2FF0-\u2FFB\u3001-\u303E\u3041-\u3096\u3099-\u30FF\u3105-\u312D\u3131-\u318E\u3190-\u31BA\u31C0-\u31E3\u31F0-\u321E\u3220-\u3247\u3250-\u32FE\u3300-\u4DBF\u4E00-\uA48C\uA490-\uA4C6\uA960-\uA97C\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFAFF\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE66\uFE68-\uFE6B\uFF01-\uFF60\uFFE0-\uFFE6]|[\uD800-\uDBFF][\uDC00-\uDFFF])/g;
        
        var valueFragment = this.dom.createFragment(this.element);

        var m;
        var i = 0;
        while (m = re.exec(value)) {
            var tab = m[1];
            var simpleSpace = m[2];
            var controlCharacter = m[3];
            var cjkSpace = m[4];
            var cjk = m[5];
            
            if (!self.showSpaces && simpleSpace)
                continue;

            var before = i != m.index ? value.slice(i, m.index) : "";

            i = m.index + m[0].length;
            
            if (before) {
                valueFragment.appendChild(this.dom.createTextNode(before, this.element));
            }
                
            if (tab) {
                var tabSize = self.session.getScreenTabSize(screenColumn + m.index);
                valueFragment.appendChild(self.$tabStrings[tabSize].cloneNode(true));
                screenColumn += tabSize - 1;
            } else if (simpleSpace) {
                if (self.showSpaces) {
                    var span = this.dom.createElement("span");
                    span.className = "ace_invisible ace_invisible_space";
                    span.textContent = lang.stringRepeat(self.SPACE_CHAR, simpleSpace.length);
                    valueFragment.appendChild(span);
                } else {
                    valueFragment.appendChild(this.com.createTextNode(simpleSpace, this.element));
                }
            } else if (controlCharacter) {
                var span = this.dom.createElement("span");
                span.className = "ace_invisible ace_invisible_space ace_invalid";
                span.textContent = lang.stringRepeat(self.SPACE_CHAR, controlCharacter.length);
                valueFragment.appendChild(span);
            } else if (cjkSpace) {
                screenColumn += 1;
                
                var span = this.dom.createElement("span");
                span.style.width = (self.config.characterWidth * 2) + "px";
                span.className = self.showSpaces ? "ace_cjk ace_invisible ace_invisible_space" : "ace_cjk";
                span.textContent = self.showSpaces ? self.SPACE_CHAR : cjkSpace;
                valueFragment.appendChild(span);
            } else if (cjk) {
                screenColumn += 1;
                var span = this.dom.createElement("span");
                span.style.width = (self.config.characterWidth * 2) + "px";
                span.className = "ace_cjk";
                span.textContent = cjk;
                valueFragment.appendChild(span);
            }
        }
        
        valueFragment.appendChild(this.dom.createTextNode(i ? value.slice(i) : value, this.element));

        if (!this.$textToken[token.type]) {
            var classes = "ace_" + token.type.replace(/\./g, " ace_");
            var span = this.dom.createElement("span");
            if (token.type == "fold")
                span.style.width = (token.value.length * this.config.characterWidth) + "px";
                
            span.className = classes;
            span.appendChild(valueFragment);
            
            parent.appendChild(span);
        }
        else {
            parent.appendChild(valueFragment);
        }
        
        return screenColumn + value.length;
    };

    this.renderIndentGuide = function(parent, value, max) {
        var cols = value.search(this.$indentGuideRe);
        if (cols <= 0 || cols >= max)
            return value;
        if (value[0] == " ") {
            cols -= cols % this.tabSize;
            var count = cols/this.tabSize;
            for (var i=0; i<count; i++) {
                parent.appendChild(this.$tabStrings[" "].cloneNode(true));
            }
            return value.substr(cols);
        } else if (value[0] == "\t") {
            for (var i=0; i<cols; i++) {
                parent.appendChild(this.$tabStrings["\t"].cloneNode(true));
            }
            return value.substr(cols);
        }
        return value;
    };

    this.$createLineElement = function(parent) {
        var lineEl = this.dom.createElement("div");
        lineEl.className = "ace_line";
        lineEl.style.height = this.config.lineHeight + "px";
        
        return lineEl;
    };

    this.$renderWrappedLine = function(parent, tokens, splits) {
        var chars = 0;
        var split = 0;
        var splitChars = splits[0];
        var screenColumn = 0;

        var lineEl = this.$createLineElement();
        parent.appendChild(lineEl);
        
        for (var i = 0; i < tokens.length; i++) {
            var token = tokens[i];
            var value = token.value;
            if (i == 0 && this.displayIndentGuides) {
                chars = value.length;
                value = this.renderIndentGuide(lineEl, value, splitChars);
                if (!value)
                    continue;
                chars -= value.length;
            }

            if (chars + value.length < splitChars) {
                screenColumn = this.$renderToken(lineEl, screenColumn, token, value);
                chars += value.length;
            } else {
                while (chars + value.length >= splitChars) {
                    screenColumn = this.$renderToken(
                        lineEl, screenColumn,
                        token, value.substring(0, splitChars - chars)
                    );
                    value = value.substring(splitChars - chars);
                    chars = splitChars;

                    lineEl = this.$createLineElement();
                    parent.appendChild(lineEl);

                    lineEl.appendChild(this.dom.createTextNode(lang.stringRepeat("\xa0", splits.indent), this.element));

                    split ++;
                    screenColumn = 0;
                    splitChars = splits[split] || Number.MAX_VALUE;
                }
                if (value.length != 0) {
                    chars += value.length;
                    screenColumn = this.$renderToken(
                        lineEl, screenColumn, token, value
                    );
                }
            }
        }
        
        if (splits[splits.length - 1] > this.MAX_LINE_LENGTH)
            this.$renderOverflowMessage(lineEl, screenColumn, null, "", true);
    };

    this.$renderSimpleLine = function(parent, tokens) {
        var screenColumn = 0;

        for (var i = 0; i < tokens.length; i++) {
            var token = tokens[i];
            var value = token.value;
            if (i == 0 && this.displayIndentGuides) {
                value = this.renderIndentGuide(parent, value);
                if (!value)
                    continue;
            }
            if (screenColumn + value.length > this.MAX_LINE_LENGTH)
                return this.$renderOverflowMessage(parent, screenColumn, token, value);
            screenColumn = this.$renderToken(parent, screenColumn, token, value);
        }
    };
    
    this.$renderOverflowMessage = function(parent, screenColumn, token, value, hide) {
        token && this.$renderToken(parent, screenColumn, token,
            value.slice(0, this.MAX_LINE_LENGTH - screenColumn));
            
        var overflowEl = this.dom.createElement("span");
        overflowEl.className = "ace_inline_button ace_keyword ace_toggle_wrap";
        overflowEl.textContent = hide ? "<hide>" : "<click to see more...>";
        
        parent.appendChild(overflowEl);        
    };
    this.$renderLine = function(parent, row, foldLine) {
        if (!foldLine && foldLine != false)
            foldLine = this.session.getFoldLine(row);

        if (foldLine)
            var tokens = this.$getFoldLineTokens(row, foldLine);
        else
            var tokens = this.session.getTokens(row);

        var lastLineEl = parent;
        if (tokens.length) {
            var splits = this.session.getRowSplitData(row);
            if (splits && splits.length) {
                this.$renderWrappedLine(parent, tokens, splits);
                var lastLineEl = parent.lastChild;
            } else {
                var lastLineEl = parent;
                if (this.$useLineGroups()) {
                    lastLineEl = this.$createLineElement();
                    parent.appendChild(lastLineEl);
                }
                this.$renderSimpleLine(lastLineEl, tokens);
            }
        } else if (this.$useLineGroups()) {
            lastLineEl = this.$createLineElement();
            parent.appendChild(lastLineEl);
        }

        if (this.showEOL && lastLineEl) {
            if (foldLine)
                row = foldLine.end.row;

            var invisibleEl = this.dom.createElement("span");
            invisibleEl.className = "ace_invisible ace_invisible_eol";
            invisibleEl.textContent = row == this.session.getLength() - 1 ? this.EOF_CHAR : this.EOL_CHAR;
            
            lastLineEl.appendChild(invisibleEl);
        }
    };

    this.$getFoldLineTokens = function(row, foldLine) {
        var session = this.session;
        var renderTokens = [];

        function addTokens(tokens, from, to) {
            var idx = 0, col = 0;
            while ((col + tokens[idx].value.length) < from) {
                col += tokens[idx].value.length;
                idx++;

                if (idx == tokens.length)
                    return;
            }
            if (col != from) {
                var value = tokens[idx].value.substring(from - col);
                if (value.length > (to - from))
                    value = value.substring(0, to - from);

                renderTokens.push({
                    type: tokens[idx].type,
                    value: value
                });

                col = from + value.length;
                idx += 1;
            }

            while (col < to && idx < tokens.length) {
                var value = tokens[idx].value;
                if (value.length + col > to) {
                    renderTokens.push({
                        type: tokens[idx].type,
                        value: value.substring(0, to - col)
                    });
                } else
                    renderTokens.push(tokens[idx]);
                col += value.length;
                idx += 1;
            }
        }

        var tokens = session.getTokens(row);
        foldLine.walk(function(placeholder, row, column, lastColumn, isNewRow) {
            if (placeholder != null) {
                renderTokens.push({
                    type: "fold",
                    value: placeholder
                });
            } else {
                if (isNewRow)
                    tokens = session.getTokens(row);

                if (tokens.length)
                    addTokens(tokens, lastColumn, column);
            }
        }, foldLine.end.row, this.session.getLine(foldLine.end.row).length);

        return renderTokens;
    };

    this.$useLineGroups = function() {
        return this.session.getUseWrapMode();
    };

    this.destroy = function() {};
}).call(Text.prototype);

exports.Text = Text;

});

ace.define("ace/layer/cursor",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
"use strict";

var dom = require("../lib/dom");

var Cursor = function(parentEl) {
    this.element = dom.createElement("div");
    this.element.className = "ace_layer ace_cursor-layer";
    parentEl.appendChild(this.element);
    
    this.isVisible = false;
    this.isBlinking = true;
    this.blinkInterval = 1000;
    this.smoothBlinking = false;

    this.cursors = [];
    this.cursor = this.addCursor();
    dom.addCssClass(this.element, "ace_hidden-cursors");
    this.$updateCursors = this.$updateOpacity.bind(this);
};

(function() {
    
    this.$updateOpacity = function(val) {
        var cursors = this.cursors;
        for (var i = cursors.length; i--; )
            dom.setStyle(cursors[i].style, "opacity", val ? "" : "0");
    };

    this.$startCssAnimation = function() {
        var cursors = this.cursors;
        for (var i = cursors.length; i--; )
            cursors[i].style.animationDuration = this.blinkInterval + "ms";

        this.$isAnimating = true;
        setTimeout(function() {
            if (this.$isAnimating) {
                dom.addCssClass(this.element, "ace_animate-blinking");
            }
        }.bind(this));
    };
    
    this.$stopCssAnimation = function() {
        this.$isAnimating = false;
        dom.removeCssClass(this.element, "ace_animate-blinking");
    };

    this.$padding = 0;
    this.setPadding = function(padding) {
        this.$padding = padding;
    };

    this.setSession = function(session) {
        this.session = session;
    };

    this.setBlinking = function(blinking) {
        if (blinking != this.isBlinking) {
            this.isBlinking = blinking;
            this.restartTimer();
        }
    };

    this.setBlinkInterval = function(blinkInterval) {
        if (blinkInterval != this.blinkInterval) {
            this.blinkInterval = blinkInterval;
            this.restartTimer();
        }
    };

    this.setSmoothBlinking = function(smoothBlinking) {
        if (smoothBlinking != this.smoothBlinking) {
            this.smoothBlinking = smoothBlinking;
            dom.setCssClass(this.element, "ace_smooth-blinking", smoothBlinking);
            this.$updateCursors(true);
            this.restartTimer();
        }
    };

    this.addCursor = function() {
        var el = dom.createElement("div");
        el.className = "ace_cursor";
        this.element.appendChild(el);
        this.cursors.push(el);
        return el;
    };

    this.removeCursor = function() {
        if (this.cursors.length > 1) {
            var el = this.cursors.pop();
            el.parentNode.removeChild(el);
            return el;
        }
    };

    this.hideCursor = function() {
        this.isVisible = false;
        dom.addCssClass(this.element, "ace_hidden-cursors");
        this.restartTimer();
    };

    this.showCursor = function() {
        this.isVisible = true;
        dom.removeCssClass(this.element, "ace_hidden-cursors");
        this.restartTimer();
    };

    this.restartTimer = function() {
        var update = this.$updateCursors;
        clearInterval(this.intervalId);
        clearTimeout(this.timeoutId);
        this.$stopCssAnimation();

        if (this.smoothBlinking) {
            this.$isSmoothBlinking = false;
            dom.removeCssClass(this.element, "ace_smooth-blinking");
        }
        
        update(true);

        if (!this.isBlinking || !this.blinkInterval || !this.isVisible) {
            this.$stopCssAnimation();
            return;
        }

        if (this.smoothBlinking) {
            this.$isSmoothBlinking = true;
            setTimeout(function() {
                if (this.$isSmoothBlinking) {
                    dom.addCssClass(this.element, "ace_smooth-blinking");
                }
            }.bind(this));
        }
        
        if (dom.HAS_CSS_ANIMATION) {
            this.$startCssAnimation();
        } else {
            var blink = function(){
                this.timeoutId = setTimeout(function() {
                    update(false);
                }, 0.6 * this.blinkInterval);
            }.bind(this);
    
            this.intervalId = setInterval(function() {
                update(true);
                blink();
            }, this.blinkInterval);
            blink();
        }
    };

    this.getPixelPosition = function(position, onScreen) {
        if (!this.config || !this.session)
            return {left : 0, top : 0};

        if (!position)
            position = this.session.selection.getCursor();
        var pos = this.session.documentToScreenPosition(position);
        var cursorLeft = this.$padding + (this.session.$bidiHandler.isBidiRow(pos.row, position.row)
            ? this.session.$bidiHandler.getPosLeft(pos.column)
            : pos.column * this.config.characterWidth);

        var cursorTop = (pos.row - (onScreen ? this.config.firstRowScreen : 0)) *
            this.config.lineHeight;

        return {left : cursorLeft, top : cursorTop};
    };

    this.isCursorInView = function(pixelPos, config) {
        return pixelPos.top >= 0 && pixelPos.top < config.maxHeight;
    };

    this.update = function(config) {
        this.config = config;

        var selections = this.session.$selectionMarkers;
        var i = 0, cursorIndex = 0;

        if (selections === undefined || selections.length === 0){
            selections = [{cursor: null}];
        }

        for (var i = 0, n = selections.length; i < n; i++) {
            var pixelPos = this.getPixelPosition(selections[i].cursor, true);
            if ((pixelPos.top > config.height + config.offset ||
                 pixelPos.top < 0) && i > 1) {
                continue;
            }

            var element = this.cursors[cursorIndex++] || this.addCursor();
            var style = element.style;
            
            if (!this.drawCursor) {
                if (!this.isCursorInView(pixelPos, config)) {
                    dom.setStyle(style, "display", "none");
                } else {
                    dom.setStyle(style, "display", "block");
                    dom.translate(element, pixelPos.left, pixelPos.top);
                    dom.setStyle(style, "width", Math.round(config.characterWidth) + "px");
                    dom.setStyle(style, "height", config.lineHeight + "px");
                }
            } else {
                this.drawCursor(element, pixelPos, config, selections[i], this.session);
            }
        }
        while (this.cursors.length > cursorIndex)
            this.removeCursor();

        var overwrite = this.session.getOverwrite();
        this.$setOverwrite(overwrite);
        this.$pixelPos = pixelPos;
        this.restartTimer();
    };
    
    this.drawCursor = null;

    this.$setOverwrite = function(overwrite) {
        if (overwrite != this.overwrite) {
            this.overwrite = overwrite;
            if (overwrite)
                dom.addCssClass(this.element, "ace_overwrite-cursors");
            else
                dom.removeCssClass(this.element, "ace_overwrite-cursors");
        }
    };

    this.destroy = function() {
        clearInterval(this.intervalId);
        clearTimeout(this.timeoutId);
    };

}).call(Cursor.prototype);

exports.Cursor = Cursor;

});

ace.define("ace/scrollbar",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/lib/event","ace/lib/event_emitter"], function(require, exports, module) {
"use strict";

var oop = require("./lib/oop");
var dom = require("./lib/dom");
var event = require("./lib/event");
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var MAX_SCROLL_H = 0x8000;
var ScrollBar = function(parent) {
    this.element = dom.createElement("div");
    this.element.className = "ace_scrollbar ace_scrollbar" + this.classSuffix;

    this.inner = dom.createElement("div");
    this.inner.className = "ace_scrollbar-inner";
    this.inner.textContent = "\xa0";
    this.element.appendChild(this.inner);

    parent.appendChild(this.element);

    this.setVisible(false);
    this.skipEvent = false;

    event.addListener(this.element, "scroll", this.onScroll.bind(this));
    event.addListener(this.element, "mousedown", event.preventDefault);
};

(function() {
    oop.implement(this, EventEmitter);

    this.setVisible = function(isVisible) {
        this.element.style.display = isVisible ? "" : "none";
        this.isVisible = isVisible;
        this.coeff = 1;
    };
}).call(ScrollBar.prototype);
var VScrollBar = function(parent, renderer) {
    ScrollBar.call(this, parent);
    this.scrollTop = 0;
    this.scrollHeight = 0;
    renderer.$scrollbarWidth = 
    this.width = dom.scrollbarWidth(parent.ownerDocument);
    this.inner.style.width =
    this.element.style.width = (this.width || 15) + 5 + "px";
    this.$minWidth = 0;
};

oop.inherits(VScrollBar, ScrollBar);

(function() {

    this.classSuffix = '-v';
    this.onScroll = function() {
        if (!this.skipEvent) {
            this.scrollTop = this.element.scrollTop;
            if (this.coeff != 1) {
                var h = this.element.clientHeight / this.scrollHeight;
                this.scrollTop = this.scrollTop * (1 - h) / (this.coeff - h);
            }
            this._emit("scroll", {data: this.scrollTop});
        }
        this.skipEvent = false;
    };
    this.getWidth = function() {
        return Math.max(this.isVisible ? this.width : 0, this.$minWidth || 0);
    };
    this.setHeight = function(height) {
        this.element.style.height = height + "px";
    };
    this.setInnerHeight = 
    this.setScrollHeight = function(height) {
        this.scrollHeight = height;
        if (height > MAX_SCROLL_H) {
            this.coeff = MAX_SCROLL_H / height;
            height = MAX_SCROLL_H;
        } else if (this.coeff != 1) {
            this.coeff = 1;
        }
        this.inner.style.height = height + "px";
    };
    this.setScrollTop = function(scrollTop) {
        if (this.scrollTop != scrollTop) {
            this.skipEvent = true;
            this.scrollTop = scrollTop;
            this.element.scrollTop = scrollTop * this.coeff;
        }
    };

}).call(VScrollBar.prototype);
var HScrollBar = function(parent, renderer) {
    ScrollBar.call(this, parent);
    this.scrollLeft = 0;
    this.height = renderer.$scrollbarWidth;
    this.inner.style.height =
    this.element.style.height = (this.height || 15) + 5 + "px";
};

oop.inherits(HScrollBar, ScrollBar);

(function() {

    this.classSuffix = '-h';
    this.onScroll = function() {
        if (!this.skipEvent) {
            this.scrollLeft = this.element.scrollLeft;
            this._emit("scroll", {data: this.scrollLeft});
        }
        this.skipEvent = false;
    };
    this.getHeight = function() {
        return this.isVisible ? this.height : 0;
    };
    this.setWidth = function(width) {
        this.element.style.width = width + "px";
    };
    this.setInnerWidth = function(width) {
        this.inner.style.width = width + "px";
    };
    this.setScrollWidth = function(width) {
        this.inner.style.width = width + "px";
    };
    this.setScrollLeft = function(scrollLeft) {
        if (this.scrollLeft != scrollLeft) {
            this.skipEvent = true;
            this.scrollLeft = this.element.scrollLeft = scrollLeft;
        }
    };

}).call(HScrollBar.prototype);


exports.ScrollBar = VScrollBar; // backward compatibility
exports.ScrollBarV = VScrollBar; // backward compatibility
exports.ScrollBarH = HScrollBar; // backward compatibility

exports.VScrollBar = VScrollBar;
exports.HScrollBar = HScrollBar;
});

ace.define("ace/renderloop",["require","exports","module","ace/lib/event"], function(require, exports, module) {
"use strict";

var event = require("./lib/event");


var RenderLoop = function(onRender, win) {
    this.onRender = onRender;
    this.pending = false;
    this.changes = 0;
    this.$recursionLimit = 2;
    this.window = win || window;
    var _self = this;
    this._flush = function(ts) {
        _self.pending = false;
        var changes = _self.changes;

        if (changes) {
            event.blockIdle(100);
            _self.changes = 0;
            _self.onRender(changes);
        }
        
        if (_self.changes) {
            if (_self.$recursionLimit-- < 0) return;
            _self.schedule();
        } else {
            _self.$recursionLimit = 2;
        }
    };
};

(function() {

    this.schedule = function(change) {
        this.changes = this.changes | change;
        if (this.changes && !this.pending) {
            event.nextFrame(this._flush);
            this.pending = true;
        }
    };

    this.clear = function(change) {
        var changes = this.changes;
        this.changes = 0;
        return changes;
    };

}).call(RenderLoop.prototype);

exports.RenderLoop = RenderLoop;
});

ace.define("ace/layer/font_metrics",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/lib/lang","ace/lib/event","ace/lib/useragent","ace/lib/event_emitter"], function(require, exports, module) {

var oop = require("../lib/oop");
var dom = require("../lib/dom");
var lang = require("../lib/lang");
var event = require("../lib/event");
var useragent = require("../lib/useragent");
var EventEmitter = require("../lib/event_emitter").EventEmitter;

var CHAR_COUNT = 256;
var USE_OBSERVER = typeof ResizeObserver == "function";
var L = 200;

var FontMetrics = exports.FontMetrics = function(parentEl) {
    this.el = dom.createElement("div");
    this.$setMeasureNodeStyles(this.el.style, true);
    
    this.$main = dom.createElement("div");
    this.$setMeasureNodeStyles(this.$main.style);
    
    this.$measureNode = dom.createElement("div");
    this.$setMeasureNodeStyles(this.$measureNode.style);
    
    
    this.el.appendChild(this.$main);
    this.el.appendChild(this.$measureNode);
    parentEl.appendChild(this.el);
    
    this.$measureNode.textContent = lang.stringRepeat("X", CHAR_COUNT);
    
    this.$characterSize = {width: 0, height: 0};
    
    
    if (USE_OBSERVER)
        this.$addObserver();
    else
        this.checkForSizeChanges();
};

(function() {

    oop.implement(this, EventEmitter);
        
    this.$characterSize = {width: 0, height: 0};
    
    this.$setMeasureNodeStyles = function(style, isRoot) {
        style.width = style.height = "auto";
        style.left = style.top = "0px";
        style.visibility = "hidden";
        style.position = "absolute";
        style.whiteSpace = "pre";

        if (useragent.isIE < 8) {
            style["font-family"] = "inherit";
        } else {
            style.font = "inherit";
        }
        style.overflow = isRoot ? "hidden" : "visible";
    };

    this.checkForSizeChanges = function(size) {
        if (size === undefined)
            size = this.$measureSizes();
        if (size && (this.$characterSize.width !== size.width || this.$characterSize.height !== size.height)) {
            this.$measureNode.style.fontWeight = "bold";
            var boldSize = this.$measureSizes();
            this.$measureNode.style.fontWeight = "";
            this.$characterSize = size;
            this.charSizes = Object.create(null);
            this.allowBoldFonts = boldSize && boldSize.width === size.width && boldSize.height === size.height;
            this._emit("changeCharacterSize", {data: size});
        }
    };
    
    this.$addObserver = function() {
        var self = this;
        this.$observer = new window.ResizeObserver(function(e) {
            self.checkForSizeChanges();
        });
        this.$observer.observe(this.$measureNode);
    };

    this.$pollSizeChanges = function() {
        if (this.$pollSizeChangesTimer || this.$observer)
            return this.$pollSizeChangesTimer;
        var self = this;
        
        return this.$pollSizeChangesTimer = event.onIdle(function cb() {
            self.checkForSizeChanges();
            event.onIdle(cb, 500);
        }, 500);
    };
    
    this.setPolling = function(val) {
        if (val) {
            this.$pollSizeChanges();
        } else if (this.$pollSizeChangesTimer) {
            clearInterval(this.$pollSizeChangesTimer);
            this.$pollSizeChangesTimer = 0;
        }
    };

    this.$measureSizes = function(node) {
        var size = {
            height: (node || this.$measureNode).clientHeight,
            width: (node || this.$measureNode).clientWidth / CHAR_COUNT
        };
        if (size.width === 0 || size.height === 0)
            return null;
        return size;
    };

    this.$measureCharWidth = function(ch) {
        this.$main.textContent = lang.stringRepeat(ch, CHAR_COUNT);
        var rect = this.$main.getBoundingClientRect();
        return rect.width / CHAR_COUNT;
    };
    
    this.getCharacterWidth = function(ch) {
        var w = this.charSizes[ch];
        if (w === undefined) {
            w = this.charSizes[ch] = this.$measureCharWidth(ch) / this.$characterSize.width;
        }
        return w;
    };

    this.destroy = function() {
        clearInterval(this.$pollSizeChangesTimer);
        if (this.$observer)
            this.$observer.disconnect();
        if (this.el && this.el.parentNode)
            this.el.parentNode.removeChild(this.el);
    };

    
    this.$getZoom = function getZoom(element) {
        if (!element || !element.parentElement) return 1;
        return (window.getComputedStyle(element).zoom || 1) * getZoom(element.parentElement);
    };
    this.$initTransformMeasureNodes = function() {
        var t = function(t, l) {
            return ["div", {
                style: "position: absolute;top:" + t + "px;left:" + l + "px;"
            }];
        };
        this.els = dom.buildDom([t(0, 0), t(L, 0), t(0, L), t(L, L)], this.el);
    };
    this.transformCoordinates = function(clientPos, elPos) {
        if (clientPos) {
            var zoom = this.$getZoom(this.el);
            clientPos = mul(1 / zoom, clientPos);
        }
        function solve(l1, l2, r) {
            var det = l1[1] * l2[0] - l1[0] * l2[1];
            return [
                (-l2[1] * r[0] + l2[0] * r[1]) / det,
                (+l1[1] * r[0] - l1[0] * r[1]) / det
            ];
        }
        function sub(a, b) { return [a[0] - b[0], a[1] - b[1]]; }
        function add(a, b) { return [a[0] + b[0], a[1] + b[1]]; }
        function mul(a, b) { return [a * b[0], a * b[1]]; }

        if (!this.els)
            this.$initTransformMeasureNodes();
        
        function p(el) {
            var r = el.getBoundingClientRect();
            return [r.left, r.top];
        }

        var a = p(this.els[0]);
        var b = p(this.els[1]);
        var c = p(this.els[2]);
        var d = p(this.els[3]);

        var h = solve(sub(d, b), sub(d, c), sub(add(b, c), add(d, a)));

        var m1 = mul(1 + h[0], sub(b, a));
        var m2 = mul(1 + h[1], sub(c, a));
        
        if (elPos) {
            var x = elPos;
            var k = h[0] * x[0] / L + h[1] * x[1] / L + 1;
            var ut = add(mul(x[0], m1), mul(x[1], m2));
            return  add(mul(1 / k / L, ut), a);
        }
        var u = sub(clientPos, a);
        var f = solve(sub(m1, mul(h[0], u)), sub(m2, mul(h[1], u)), u);
        return mul(L, f);
    };
    
}).call(FontMetrics.prototype);

});

ace.define("ace/virtual_renderer",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/config","ace/layer/gutter","ace/layer/marker","ace/layer/text","ace/layer/cursor","ace/scrollbar","ace/scrollbar","ace/renderloop","ace/layer/font_metrics","ace/lib/event_emitter","ace/lib/useragent"], function(require, exports, module) {
"use strict";

var oop = require("./lib/oop");
var dom = require("./lib/dom");
var config = require("./config");
var GutterLayer = require("./layer/gutter").Gutter;
var MarkerLayer = require("./layer/marker").Marker;
var TextLayer = require("./layer/text").Text;
var CursorLayer = require("./layer/cursor").Cursor;
var HScrollBar = require("./scrollbar").HScrollBar;
var VScrollBar = require("./scrollbar").VScrollBar;
var RenderLoop = require("./renderloop").RenderLoop;
var FontMetrics = require("./layer/font_metrics").FontMetrics;
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var editorCss = "\
.ace_br1 {border-top-left-radius    : 3px;}\
.ace_br2 {border-top-right-radius   : 3px;}\
.ace_br3 {border-top-left-radius    : 3px; border-top-right-radius:    3px;}\
.ace_br4 {border-bottom-right-radius: 3px;}\
.ace_br5 {border-top-left-radius    : 3px; border-bottom-right-radius: 3px;}\
.ace_br6 {border-top-right-radius   : 3px; border-bottom-right-radius: 3px;}\
.ace_br7 {border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-right-radius: 3px;}\
.ace_br8 {border-bottom-left-radius : 3px;}\
.ace_br9 {border-top-left-radius    : 3px; border-bottom-left-radius:  3px;}\
.ace_br10{border-top-right-radius   : 3px; border-bottom-left-radius:  3px;}\
.ace_br11{border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-left-radius:  3px;}\
.ace_br12{border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\
.ace_br13{border-top-left-radius    : 3px; border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\
.ace_br14{border-top-right-radius   : 3px; border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\
.ace_br15{border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px;}\
.ace_editor {\
position: relative;\
overflow: hidden;\
padding: 0;\
font: 12px/normal 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;\
direction: ltr;\
text-align: left;\
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\
}\
.ace_scroller {\
position: absolute;\
overflow: hidden;\
top: 0;\
bottom: 0;\
background-color: inherit;\
-ms-user-select: none;\
-moz-user-select: none;\
-webkit-user-select: none;\
user-select: none;\
cursor: text;\
}\
.ace_content {\
position: absolute;\
box-sizing: border-box;\
min-width: 100%;\
contain: style size layout;\
font-variant-ligatures: no-common-ligatures;\
}\
.ace_dragging .ace_scroller:before{\
position: absolute;\
top: 0;\
left: 0;\
right: 0;\
bottom: 0;\
content: '';\
background: rgba(250, 250, 250, 0.01);\
z-index: 1000;\
}\
.ace_dragging.ace_dark .ace_scroller:before{\
background: rgba(0, 0, 0, 0.01);\
}\
.ace_gutter {\
position: absolute;\
overflow : hidden;\
width: auto;\
top: 0;\
bottom: 0;\
left: 0;\
cursor: default;\
z-index: 4;\
-ms-user-select: none;\
-moz-user-select: none;\
-webkit-user-select: none;\
user-select: none;\
contain: style size layout;\
}\
.ace_gutter-active-line {\
position: absolute;\
left: 0;\
right: 0;\
}\
.ace_scroller.ace_scroll-left {\
box-shadow: 17px 0 16px -16px rgba(0, 0, 0, 0.4) inset;\
}\
.ace_gutter-cell {\
position: absolute;\
top: 0;\
left: 0;\
right: 0;\
padding-left: 19px;\
padding-right: 6px;\
background-repeat: no-repeat;\
}\
.ace_gutter-cell.ace_error {\
background-image: url(\"data:image/png;base64,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\");\
background-repeat: no-repeat;\
background-position: 2px center;\
}\
.ace_gutter-cell.ace_warning {\
background-image: url(\"data:image/png;base64,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\");\
background-position: 2px center;\
}\
.ace_gutter-cell.ace_info {\
background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAAAAAA6mKC9AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAAJ0Uk5TAAB2k804AAAAPklEQVQY02NgIB68QuO3tiLznjAwpKTgNyDbMegwisCHZUETUZV0ZqOquBpXj2rtnpSJT1AEnnRmL2OgGgAAIKkRQap2htgAAAAASUVORK5CYII=\");\
background-position: 2px center;\
}\
.ace_dark .ace_gutter-cell.ace_info {\
background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQBAMAAADt3eJSAAAAJFBMVEUAAAChoaGAgIAqKiq+vr6tra1ZWVmUlJSbm5s8PDxubm56enrdgzg3AAAAAXRSTlMAQObYZgAAAClJREFUeNpjYMAPdsMYHegyJZFQBlsUlMFVCWUYKkAZMxZAGdxlDMQBAG+TBP4B6RyJAAAAAElFTkSuQmCC\");\
}\
.ace_scrollbar {\
contain: strict;\
position: absolute;\
right: 0;\
bottom: 0;\
z-index: 6;\
}\
.ace_scrollbar-inner {\
position: absolute;\
cursor: text;\
left: 0;\
top: 0;\
}\
.ace_scrollbar-v{\
overflow-x: hidden;\
overflow-y: scroll;\
top: 0;\
}\
.ace_scrollbar-h {\
overflow-x: scroll;\
overflow-y: hidden;\
left: 0;\
}\
.ace_print-margin {\
position: absolute;\
height: 100%;\
}\
.ace_text-input {\
position: absolute;\
z-index: 0;\
width: 0.5em;\
height: 1em;\
opacity: 0;\
background: transparent;\
-moz-appearance: none;\
appearance: none;\
border: none;\
resize: none;\
outline: none;\
overflow: hidden;\
font: inherit;\
padding: 0 1px;\
margin: 0 -1px;\
contain: strict;\
-ms-user-select: text;\
-moz-user-select: text;\
-webkit-user-select: text;\
user-select: text;\
white-space: pre!important;\
}\
.ace_text-input.ace_composition {\
background: transparent;\
color: inherit;\
z-index: 1000;\
opacity: 1;\
}\
.ace_composition_placeholder { color: transparent }\
.ace_composition_marker { \
border-bottom: 1px solid;\
position: absolute;\
border-radius: 0;\
margin-top: 1px;\
}\
[ace_nocontext=true] {\
transform: none!important;\
filter: none!important;\
clip-path: none!important;\
mask : none!important;\
contain: none!important;\
perspective: none!important;\
mix-blend-mode: initial!important;\
z-index: auto;\
}\
.ace_layer {\
z-index: 1;\
position: absolute;\
overflow: hidden;\
word-wrap: normal;\
white-space: pre;\
height: 100%;\
width: 100%;\
box-sizing: border-box;\
pointer-events: none;\
}\
.ace_gutter-layer {\
position: relative;\
width: auto;\
text-align: right;\
pointer-events: auto;\
height: 1000000px;\
contain: style size layout;\
}\
.ace_text-layer {\
font: inherit !important;\
position: absolute;\
height: 1000000px;\
width: 1000000px;\
contain: style size layout;\
}\
.ace_text-layer > .ace_line, .ace_text-layer > .ace_line_group {\
contain: style size layout;\
position: absolute;\
top: 0;\
left: 0;\
right: 0;\
}\
.ace_hidpi .ace_text-layer,\
.ace_hidpi .ace_gutter-layer,\
.ace_hidpi .ace_content,\
.ace_hidpi .ace_gutter {\
contain: strict;\
will-change: transform;\
}\
.ace_hidpi .ace_text-layer > .ace_line, \
.ace_hidpi .ace_text-layer > .ace_line_group {\
contain: strict;\
}\
.ace_cjk {\
display: inline-block;\
text-align: center;\
}\
.ace_cursor-layer {\
z-index: 4;\
}\
.ace_cursor {\
z-index: 4;\
position: absolute;\
box-sizing: border-box;\
border-left: 2px solid;\
transform: translatez(0);\
}\
.ace_multiselect .ace_cursor {\
border-left-width: 1px;\
}\
.ace_slim-cursors .ace_cursor {\
border-left-width: 1px;\
}\
.ace_overwrite-cursors .ace_cursor {\
border-left-width: 0;\
border-bottom: 1px solid;\
}\
.ace_hidden-cursors .ace_cursor {\
opacity: 0.2;\
}\
.ace_hasPlaceholder .ace_hidden-cursors .ace_cursor {\
opacity: 0;\
}\
.ace_smooth-blinking .ace_cursor {\
transition: opacity 0.18s;\
}\
.ace_animate-blinking .ace_cursor {\
animation-duration: 1000ms;\
animation-timing-function: step-end;\
animation-name: blink-ace-animate;\
animation-iteration-count: infinite;\
}\
.ace_animate-blinking.ace_smooth-blinking .ace_cursor {\
animation-duration: 1000ms;\
animation-timing-function: ease-in-out;\
animation-name: blink-ace-animate-smooth;\
}\
@keyframes blink-ace-animate {\
from, to { opacity: 1; }\
60% { opacity: 0; }\
}\
@keyframes blink-ace-animate-smooth {\
from, to { opacity: 1; }\
45% { opacity: 1; }\
60% { opacity: 0; }\
85% { opacity: 0; }\
}\
.ace_marker-layer .ace_step, .ace_marker-layer .ace_stack {\
position: absolute;\
z-index: 3;\
}\
.ace_marker-layer .ace_selection {\
position: absolute;\
z-index: 5;\
}\
.ace_marker-layer .ace_bracket {\
position: absolute;\
z-index: 6;\
}\
.ace_marker-layer .ace_error_bracket {\
position: absolute;\
border-bottom: 1px solid #DE5555;\
border-radius: 0;\
}\
.ace_marker-layer .ace_active-line {\
position: absolute;\
z-index: 2;\
}\
.ace_marker-layer .ace_selected-word {\
position: absolute;\
z-index: 4;\
box-sizing: border-box;\
}\
.ace_line .ace_fold {\
box-sizing: border-box;\
display: inline-block;\
height: 11px;\
margin-top: -2px;\
vertical-align: middle;\
background-image:\
url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAJCAYAAADU6McMAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAJpJREFUeNpi/P//PwOlgAXGYGRklAVSokD8GmjwY1wasKljQpYACtpCFeADcHVQfQyMQAwzwAZI3wJKvCLkfKBaMSClBlR7BOQikCFGQEErIH0VqkabiGCAqwUadAzZJRxQr/0gwiXIal8zQQPnNVTgJ1TdawL0T5gBIP1MUJNhBv2HKoQHHjqNrA4WO4zY0glyNKLT2KIfIMAAQsdgGiXvgnYAAAAASUVORK5CYII=\"),\
url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAA3CAYAAADNNiA5AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAACJJREFUeNpi+P//fxgTAwPDBxDxD078RSX+YeEyDFMCIMAAI3INmXiwf2YAAAAASUVORK5CYII=\");\
background-repeat: no-repeat, repeat-x;\
background-position: center center, top left;\
color: transparent;\
border: 1px solid black;\
border-radius: 2px;\
cursor: pointer;\
pointer-events: auto;\
}\
.ace_dark .ace_fold {\
}\
.ace_fold:hover{\
background-image:\
url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAJCAYAAADU6McMAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAJpJREFUeNpi/P//PwOlgAXGYGRklAVSokD8GmjwY1wasKljQpYACtpCFeADcHVQfQyMQAwzwAZI3wJKvCLkfKBaMSClBlR7BOQikCFGQEErIH0VqkabiGCAqwUadAzZJRxQr/0gwiXIal8zQQPnNVTgJ1TdawL0T5gBIP1MUJNhBv2HKoQHHjqNrA4WO4zY0glyNKLT2KIfIMAAQsdgGiXvgnYAAAAASUVORK5CYII=\"),\
url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAA3CAYAAADNNiA5AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAACBJREFUeNpi+P//fz4TAwPDZxDxD5X4i5fLMEwJgAADAEPVDbjNw87ZAAAAAElFTkSuQmCC\");\
}\
.ace_tooltip {\
background-color: #FFF;\
background-image: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.1));\
border: 1px solid gray;\
border-radius: 1px;\
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);\
color: black;\
max-width: 100%;\
padding: 3px 4px;\
position: fixed;\
z-index: 999999;\
box-sizing: border-box;\
cursor: default;\
white-space: pre;\
word-wrap: break-word;\
line-height: normal;\
font-style: normal;\
font-weight: normal;\
letter-spacing: normal;\
pointer-events: none;\
}\
.ace_folding-enabled > .ace_gutter-cell {\
padding-right: 13px;\
}\
.ace_fold-widget {\
box-sizing: border-box;\
margin: 0 -12px 0 1px;\
display: none;\
width: 11px;\
vertical-align: top;\
background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAANElEQVR42mWKsQ0AMAzC8ixLlrzQjzmBiEjp0A6WwBCSPgKAXoLkqSot7nN3yMwR7pZ32NzpKkVoDBUxKAAAAABJRU5ErkJggg==\");\
background-repeat: no-repeat;\
background-position: center;\
border-radius: 3px;\
border: 1px solid transparent;\
cursor: pointer;\
}\
.ace_folding-enabled .ace_fold-widget {\
display: inline-block;   \
}\
.ace_fold-widget.ace_end {\
background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAANElEQVR42m3HwQkAMAhD0YzsRchFKI7sAikeWkrxwScEB0nh5e7KTPWimZki4tYfVbX+MNl4pyZXejUO1QAAAABJRU5ErkJggg==\");\
}\
.ace_fold-widget.ace_closed {\
background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAAGCAYAAAAG5SQMAAAAOUlEQVR42jXKwQkAMAgDwKwqKD4EwQ26sSOkVWjgIIHAzPiCgaqiqnJHZnKICBERHN194O5b9vbLuAVRL+l0YWnZAAAAAElFTkSuQmCCXA==\");\
}\
.ace_fold-widget:hover {\
border: 1px solid rgba(0, 0, 0, 0.3);\
background-color: rgba(255, 255, 255, 0.2);\
box-shadow: 0 1px 1px rgba(255, 255, 255, 0.7);\
}\
.ace_fold-widget:active {\
border: 1px solid rgba(0, 0, 0, 0.4);\
background-color: rgba(0, 0, 0, 0.05);\
box-shadow: 0 1px 1px rgba(255, 255, 255, 0.8);\
}\
.ace_dark .ace_fold-widget {\
background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHklEQVQIW2P4//8/AzoGEQ7oGCaLLAhWiSwB146BAQCSTPYocqT0AAAAAElFTkSuQmCC\");\
}\
.ace_dark .ace_fold-widget.ace_end {\
background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAH0lEQVQIW2P4//8/AxQ7wNjIAjDMgC4AxjCVKBirIAAF0kz2rlhxpAAAAABJRU5ErkJggg==\");\
}\
.ace_dark .ace_fold-widget.ace_closed {\
background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAAFCAYAAACAcVaiAAAAHElEQVQIW2P4//+/AxAzgDADlOOAznHAKgPWAwARji8UIDTfQQAAAABJRU5ErkJggg==\");\
}\
.ace_dark .ace_fold-widget:hover {\
box-shadow: 0 1px 1px rgba(255, 255, 255, 0.2);\
background-color: rgba(255, 255, 255, 0.1);\
}\
.ace_dark .ace_fold-widget:active {\
box-shadow: 0 1px 1px rgba(255, 255, 255, 0.2);\
}\
.ace_inline_button {\
border: 1px solid lightgray;\
display: inline-block;\
margin: -1px 8px;\
padding: 0 5px;\
pointer-events: auto;\
cursor: pointer;\
}\
.ace_inline_button:hover {\
border-color: gray;\
background: rgba(200,200,200,0.2);\
display: inline-block;\
pointer-events: auto;\
}\
.ace_fold-widget.ace_invalid {\
background-color: #FFB4B4;\
border-color: #DE5555;\
}\
.ace_fade-fold-widgets .ace_fold-widget {\
transition: opacity 0.4s ease 0.05s;\
opacity: 0;\
}\
.ace_fade-fold-widgets:hover .ace_fold-widget {\
transition: opacity 0.05s ease 0.05s;\
opacity:1;\
}\
.ace_underline {\
text-decoration: underline;\
}\
.ace_bold {\
font-weight: bold;\
}\
.ace_nobold .ace_bold {\
font-weight: normal;\
}\
.ace_italic {\
font-style: italic;\
}\
.ace_error-marker {\
background-color: rgba(255, 0, 0,0.2);\
position: absolute;\
z-index: 9;\
}\
.ace_highlight-marker {\
background-color: rgba(255, 255, 0,0.2);\
position: absolute;\
z-index: 8;\
}\
.ace_mobile-menu {\
position: absolute;\
line-height: 1.5;\
border-radius: 4px;\
-ms-user-select: none;\
-moz-user-select: none;\
-webkit-user-select: none;\
user-select: none;\
background: white;\
box-shadow: 1px 3px 2px grey;\
border: 1px solid #dcdcdc;\
color: black;\
}\
.ace_dark > .ace_mobile-menu {\
background: #333;\
color: #ccc;\
box-shadow: 1px 3px 2px grey;\
border: 1px solid #444;\
}\
.ace_mobile-button {\
padding: 2px;\
cursor: pointer;\
overflow: hidden;\
}\
.ace_mobile-button:hover {\
background-color: #eee;\
opacity:1;\
}\
.ace_mobile-button:active {\
background-color: #ddd;\
}\
.ace_placeholder {\
font-family: arial;\
transform: scale(0.9);\
transform-origin: left;\
white-space: pre;\
opacity: 0.7;\
margin: 0 10px;\
}";

var useragent = require("./lib/useragent");
var HIDE_TEXTAREA = useragent.isIE;

dom.importCssString(editorCss, "ace_editor.css", false);

var VirtualRenderer = function(container, theme) {
    var _self = this;

    this.container = container || dom.createElement("div");

    dom.addCssClass(this.container, "ace_editor");
    if (dom.HI_DPI) dom.addCssClass(this.container, "ace_hidpi");

    this.setTheme(theme);
    if (config.get("useStrictCSP") == null) 
        config.set("useStrictCSP", false);

    this.$gutter = dom.createElement("div");
    this.$gutter.className = "ace_gutter";
    this.container.appendChild(this.$gutter);
    this.$gutter.setAttribute("aria-hidden", true);

    this.scroller = dom.createElement("div");
    this.scroller.className = "ace_scroller";
    
    this.container.appendChild(this.scroller);

    this.content = dom.createElement("div");
    this.content.className = "ace_content";
    this.scroller.appendChild(this.content);

    this.$gutterLayer = new GutterLayer(this.$gutter);
    this.$gutterLayer.on("changeGutterWidth", this.onGutterResize.bind(this));

    this.$markerBack = new MarkerLayer(this.content);

    var textLayer = this.$textLayer = new TextLayer(this.content);
    this.canvas = textLayer.element;

    this.$markerFront = new MarkerLayer(this.content);

    this.$cursorLayer = new CursorLayer(this.content);
    this.$horizScroll = false;
    this.$vScroll = false;

    this.scrollBar = 
    this.scrollBarV = new VScrollBar(this.container, this);
    this.scrollBarH = new HScrollBar(this.container, this);
    this.scrollBarV.on("scroll", function(e) {
        if (!_self.$scrollAnimation)
            _self.session.setScrollTop(e.data - _self.scrollMargin.top);
    });
    this.scrollBarH.on("scroll", function(e) {
        if (!_self.$scrollAnimation)
            _self.session.setScrollLeft(e.data - _self.scrollMargin.left);
    });

    this.scrollTop = 0;
    this.scrollLeft = 0;

    this.cursorPos = {
        row : 0,
        column : 0
    };

    this.$fontMetrics = new FontMetrics(this.container);
    this.$textLayer.$setFontMetrics(this.$fontMetrics);
    this.$textLayer.on("changeCharacterSize", function(e) {
        _self.updateCharacterSize();
        _self.onResize(true, _self.gutterWidth, _self.$size.width, _self.$size.height);
        _self._signal("changeCharacterSize", e);
    });

    this.$size = {
        width: 0,
        height: 0,
        scrollerHeight: 0,
        scrollerWidth: 0,
        $dirty: true
    };

    this.layerConfig = {
        width : 1,
        padding : 0,
        firstRow : 0,
        firstRowScreen: 0,
        lastRow : 0,
        lineHeight : 0,
        characterWidth : 0,
        minHeight : 1,
        maxHeight : 1,
        offset : 0,
        height : 1,
        gutterOffset: 1
    };
    
    this.scrollMargin = {
        left: 0,
        right: 0,
        top: 0,
        bottom: 0,
        v: 0,
        h: 0
    };
    
    this.margin = {
        left: 0,
        right: 0,
        top: 0,
        bottom: 0,
        v: 0,
        h: 0
    };
    
    this.$keepTextAreaAtCursor = !useragent.isIOS;

    this.$loop = new RenderLoop(
        this.$renderChanges.bind(this),
        this.container.ownerDocument.defaultView
    );
    this.$loop.schedule(this.CHANGE_FULL);

    this.updateCharacterSize();
    this.setPadding(4);
    config.resetOptions(this);
    config._signal("renderer", this);
};

(function() {

    this.CHANGE_CURSOR = 1;
    this.CHANGE_MARKER = 2;
    this.CHANGE_GUTTER = 4;
    this.CHANGE_SCROLL = 8;
    this.CHANGE_LINES = 16;
    this.CHANGE_TEXT = 32;
    this.CHANGE_SIZE = 64;
    this.CHANGE_MARKER_BACK = 128;
    this.CHANGE_MARKER_FRONT = 256;
    this.CHANGE_FULL = 512;
    this.CHANGE_H_SCROLL = 1024;

    oop.implement(this, EventEmitter);

    this.updateCharacterSize = function() {
        if (this.$textLayer.allowBoldFonts != this.$allowBoldFonts) {
            this.$allowBoldFonts = this.$textLayer.allowBoldFonts;
            this.setStyle("ace_nobold", !this.$allowBoldFonts);
        }

        this.layerConfig.characterWidth =
        this.characterWidth = this.$textLayer.getCharacterWidth();
        this.layerConfig.lineHeight =
        this.lineHeight = this.$textLayer.getLineHeight();
        this.$updatePrintMargin();
        dom.setStyle(this.scroller.style, "line-height", this.lineHeight + "px");
    };
    this.setSession = function(session) {
        if (this.session)
            this.session.doc.off("changeNewLineMode", this.onChangeNewLineMode);
            
        this.session = session;
        if (session && this.scrollMargin.top && session.getScrollTop() <= 0)
            session.setScrollTop(-this.scrollMargin.top);

        this.$cursorLayer.setSession(session);
        this.$markerBack.setSession(session);
        this.$markerFront.setSession(session);
        this.$gutterLayer.setSession(session);
        this.$textLayer.setSession(session);
        if (!session)
            return;
        
        this.$loop.schedule(this.CHANGE_FULL);
        this.session.$setFontMetrics(this.$fontMetrics);
        this.scrollBarH.scrollLeft = this.scrollBarV.scrollTop = null;
        
        this.onChangeNewLineMode = this.onChangeNewLineMode.bind(this);
        this.onChangeNewLineMode();
        this.session.doc.on("changeNewLineMode", this.onChangeNewLineMode);
    };
    this.updateLines = function(firstRow, lastRow, force) {
        if (lastRow === undefined)
            lastRow = Infinity;

        if (!this.$changedLines) {
            this.$changedLines = {
                firstRow: firstRow,
                lastRow: lastRow
            };
        }
        else {
            if (this.$changedLines.firstRow > firstRow)
                this.$changedLines.firstRow = firstRow;

            if (this.$changedLines.lastRow < lastRow)
                this.$changedLines.lastRow = lastRow;
        }
        if (this.$changedLines.lastRow < this.layerConfig.firstRow) {
            if (force)
                this.$changedLines.lastRow = this.layerConfig.lastRow;
            else
                return;
        }
        if (this.$changedLines.firstRow > this.layerConfig.lastRow)
            return;
        this.$loop.schedule(this.CHANGE_LINES);
    };

    this.onChangeNewLineMode = function() {
        this.$loop.schedule(this.CHANGE_TEXT);
        this.$textLayer.$updateEolChar();
        this.session.$bidiHandler.setEolChar(this.$textLayer.EOL_CHAR);
    };
    
    this.onChangeTabSize = function() {
        this.$loop.schedule(this.CHANGE_TEXT | this.CHANGE_MARKER);
        this.$textLayer.onChangeTabSize();
    };
    this.updateText = function() {
        this.$loop.schedule(this.CHANGE_TEXT);
    };
    this.updateFull = function(force) {
        if (force)
            this.$renderChanges(this.CHANGE_FULL, true);
        else
            this.$loop.schedule(this.CHANGE_FULL);
    };
    this.updateFontSize = function() {
        this.$textLayer.checkForSizeChanges();
    };

    this.$changes = 0;
    this.$updateSizeAsync = function() {
        if (this.$loop.pending)
            this.$size.$dirty = true;
        else
            this.onResize();
    };
    this.onResize = function(force, gutterWidth, width, height) {
        if (this.resizing > 2)
            return;
        else if (this.resizing > 0)
            this.resizing++;
        else
            this.resizing = force ? 1 : 0;
        var el = this.container;
        if (!height)
            height = el.clientHeight || el.scrollHeight;
        if (!width)
            width = el.clientWidth || el.scrollWidth;
        var changes = this.$updateCachedSize(force, gutterWidth, width, height);

        
        if (!this.$size.scrollerHeight || (!width && !height))
            return this.resizing = 0;

        if (force)
            this.$gutterLayer.$padding = null;

        if (force)
            this.$renderChanges(changes | this.$changes, true);
        else
            this.$loop.schedule(changes | this.$changes);

        if (this.resizing)
            this.resizing = 0;
        this.scrollBarH.scrollLeft = this.scrollBarV.scrollTop = null;
    };
    
    this.$updateCachedSize = function(force, gutterWidth, width, height) {
        height -= (this.$extraHeight || 0);
        var changes = 0;
        var size = this.$size;
        var oldSize = {
            width: size.width,
            height: size.height,
            scrollerHeight: size.scrollerHeight,
            scrollerWidth: size.scrollerWidth
        };
        if (height && (force || size.height != height)) {
            size.height = height;
            changes |= this.CHANGE_SIZE;

            size.scrollerHeight = size.height;
            if (this.$horizScroll)
                size.scrollerHeight -= this.scrollBarH.getHeight();
            this.scrollBarV.element.style.bottom = this.scrollBarH.getHeight() + "px";

            changes = changes | this.CHANGE_SCROLL;
        }

        if (width && (force || size.width != width)) {
            changes |= this.CHANGE_SIZE;
            size.width = width;
            
            if (gutterWidth == null)
                gutterWidth = this.$showGutter ? this.$gutter.offsetWidth : 0;
            
            this.gutterWidth = gutterWidth;
            
            dom.setStyle(this.scrollBarH.element.style, "left", gutterWidth + "px");
            dom.setStyle(this.scroller.style, "left", gutterWidth + this.margin.left + "px");
            size.scrollerWidth = Math.max(0, width - gutterWidth - this.scrollBarV.getWidth() - this.margin.h);
            dom.setStyle(this.$gutter.style, "left", this.margin.left + "px");
            
            var right = this.scrollBarV.getWidth() + "px";
            dom.setStyle(this.scrollBarH.element.style, "right", right);
            dom.setStyle(this.scroller.style, "right", right);
            dom.setStyle(this.scroller.style, "bottom", this.scrollBarH.getHeight());

            if (this.session && this.session.getUseWrapMode() && this.adjustWrapLimit() || force) {
                changes |= this.CHANGE_FULL;
            }
        }
        
        size.$dirty = !width || !height;

        if (changes)
            this._signal("resize", oldSize);

        return changes;
    };

    this.onGutterResize = function(width) {
        var gutterWidth = this.$showGutter ? width : 0;
        if (gutterWidth != this.gutterWidth)
            this.$changes |= this.$updateCachedSize(true, gutterWidth, this.$size.width, this.$size.height);

        if (this.session.getUseWrapMode() && this.adjustWrapLimit()) {
            this.$loop.schedule(this.CHANGE_FULL);
        } else if (this.$size.$dirty) {
            this.$loop.schedule(this.CHANGE_FULL);
        } else {
            this.$computeLayerConfig();
        }
    };
    this.adjustWrapLimit = function() {
        var availableWidth = this.$size.scrollerWidth - this.$padding * 2;
        var limit = Math.floor(availableWidth / this.characterWidth);
        return this.session.adjustWrapLimit(limit, this.$showPrintMargin && this.$printMarginColumn);
    };
    this.setAnimatedScroll = function(shouldAnimate){
        this.setOption("animatedScroll", shouldAnimate);
    };
    this.getAnimatedScroll = function() {
        return this.$animatedScroll;
    };
    this.setShowInvisibles = function(showInvisibles) {
        this.setOption("showInvisibles", showInvisibles);
        this.session.$bidiHandler.setShowInvisibles(showInvisibles);
    };
    this.getShowInvisibles = function() {
        return this.getOption("showInvisibles");
    };
    this.getDisplayIndentGuides = function() {
        return this.getOption("displayIndentGuides");
    };

    this.setDisplayIndentGuides = function(display) {
        this.setOption("displayIndentGuides", display);
    };
    this.setShowPrintMargin = function(showPrintMargin) {
        this.setOption("showPrintMargin", showPrintMargin);
    };
    this.getShowPrintMargin = function() {
        return this.getOption("showPrintMargin");
    };
    this.setPrintMarginColumn = function(showPrintMargin) {
        this.setOption("printMarginColumn", showPrintMargin);
    };
    this.getPrintMarginColumn = function() {
        return this.getOption("printMarginColumn");
    };
    this.getShowGutter = function(){
        return this.getOption("showGutter");
    };
    this.setShowGutter = function(show){
        return this.setOption("showGutter", show);
    };

    this.getFadeFoldWidgets = function(){
        return this.getOption("fadeFoldWidgets");
    };

    this.setFadeFoldWidgets = function(show) {
        this.setOption("fadeFoldWidgets", show);
    };

    this.setHighlightGutterLine = function(shouldHighlight) {
        this.setOption("highlightGutterLine", shouldHighlight);
    };

    this.getHighlightGutterLine = function() {
        return this.getOption("highlightGutterLine");
    };

    this.$updatePrintMargin = function() {
        if (!this.$showPrintMargin && !this.$printMarginEl)
            return;

        if (!this.$printMarginEl) {
            var containerEl = dom.createElement("div");
            containerEl.className = "ace_layer ace_print-margin-layer";
            this.$printMarginEl = dom.createElement("div");
            this.$printMarginEl.className = "ace_print-margin";
            containerEl.appendChild(this.$printMarginEl);
            this.content.insertBefore(containerEl, this.content.firstChild);
        }

        var style = this.$printMarginEl.style;
        style.left = Math.round(this.characterWidth * this.$printMarginColumn + this.$padding) + "px";
        style.visibility = this.$showPrintMargin ? "visible" : "hidden";
        
        if (this.session && this.session.$wrap == -1)
            this.adjustWrapLimit();
    };
    this.getContainerElement = function() {
        return this.container;
    };
    this.getMouseEventTarget = function() {
        return this.scroller;
    };
    this.getTextAreaContainer = function() {
        return this.container;
    };
    this.$moveTextAreaToCursor = function() {
        if (this.$isMousePressed) return;
        var style = this.textarea.style;
        var composition = this.$composition;
        if (!this.$keepTextAreaAtCursor && !composition) {
            dom.translate(this.textarea, -100, 0);
            return;
        }
        var pixelPos = this.$cursorLayer.$pixelPos;
        if (!pixelPos)
            return;
        if (composition && composition.markerRange)
            pixelPos = this.$cursorLayer.getPixelPosition(composition.markerRange.start, true);
        
        var config = this.layerConfig;
        var posTop = pixelPos.top;
        var posLeft = pixelPos.left;
        posTop -= config.offset;

        var h = composition && composition.useTextareaForIME ? this.lineHeight : HIDE_TEXTAREA ? 0 : 1;
        if (posTop < 0 || posTop > config.height - h) {
            dom.translate(this.textarea, 0, 0);
            return;
        }

        var w = 1;
        var maxTop = this.$size.height - h;
        if (!composition) {
            posTop += this.lineHeight;
        }
        else {
            if (composition.useTextareaForIME) {
                var val = this.textarea.value;
                w = this.characterWidth * (this.session.$getStringScreenWidth(val)[0]);
            }
            else {
                posTop += this.lineHeight + 2;
            }
        }
        
        posLeft -= this.scrollLeft;
        if (posLeft > this.$size.scrollerWidth - w)
            posLeft = this.$size.scrollerWidth - w;

        posLeft += this.gutterWidth + this.margin.left;

        dom.setStyle(style, "height", h + "px");
        dom.setStyle(style, "width", w + "px");
        dom.translate(this.textarea, Math.min(posLeft, this.$size.scrollerWidth - w), Math.min(posTop, maxTop));
    };
    this.getFirstVisibleRow = function() {
        return this.layerConfig.firstRow;
    };
    this.getFirstFullyVisibleRow = function() {
        return this.layerConfig.firstRow + (this.layerConfig.offset === 0 ? 0 : 1);
    };
    this.getLastFullyVisibleRow = function() {
        var config = this.layerConfig;
        var lastRow = config.lastRow;
        var top = this.session.documentToScreenRow(lastRow, 0) * config.lineHeight;
        if (top - this.session.getScrollTop() > config.height - config.lineHeight)
            return lastRow - 1;
        return lastRow;
    };
    this.getLastVisibleRow = function() {
        return this.layerConfig.lastRow;
    };

    this.$padding = null;
    this.setPadding = function(padding) {
        this.$padding = padding;
        this.$textLayer.setPadding(padding);
        this.$cursorLayer.setPadding(padding);
        this.$markerFront.setPadding(padding);
        this.$markerBack.setPadding(padding);
        this.$loop.schedule(this.CHANGE_FULL);
        this.$updatePrintMargin();
    };
    
    this.setScrollMargin = function(top, bottom, left, right) {
        var sm = this.scrollMargin;
        sm.top = top|0;
        sm.bottom = bottom|0;
        sm.right = right|0;
        sm.left = left|0;
        sm.v = sm.top + sm.bottom;
        sm.h = sm.left + sm.right;
        if (sm.top && this.scrollTop <= 0 && this.session)
            this.session.setScrollTop(-sm.top);
        this.updateFull();
    };
    
    this.setMargin = function(top, bottom, left, right) {
        var sm = this.margin;
        sm.top = top|0;
        sm.bottom = bottom|0;
        sm.right = right|0;
        sm.left = left|0;
        sm.v = sm.top + sm.bottom;
        sm.h = sm.left + sm.right;
        this.$updateCachedSize(true, this.gutterWidth, this.$size.width, this.$size.height);
        this.updateFull();
    };
    this.getHScrollBarAlwaysVisible = function() {
        return this.$hScrollBarAlwaysVisible;
    };
    this.setHScrollBarAlwaysVisible = function(alwaysVisible) {
        this.setOption("hScrollBarAlwaysVisible", alwaysVisible);
    };
    this.getVScrollBarAlwaysVisible = function() {
        return this.$vScrollBarAlwaysVisible;
    };
    this.setVScrollBarAlwaysVisible = function(alwaysVisible) {
        this.setOption("vScrollBarAlwaysVisible", alwaysVisible);
    };

    this.$updateScrollBarV = function() {
        var scrollHeight = this.layerConfig.maxHeight;
        var scrollerHeight = this.$size.scrollerHeight;
        if (!this.$maxLines && this.$scrollPastEnd) {
            scrollHeight -= (scrollerHeight - this.lineHeight) * this.$scrollPastEnd;
            if (this.scrollTop > scrollHeight - scrollerHeight) {
                scrollHeight = this.scrollTop + scrollerHeight;
                this.scrollBarV.scrollTop = null;
            }
        }
        this.scrollBarV.setScrollHeight(scrollHeight + this.scrollMargin.v);
        this.scrollBarV.setScrollTop(this.scrollTop + this.scrollMargin.top);
    };
    this.$updateScrollBarH = function() {
        this.scrollBarH.setScrollWidth(this.layerConfig.width + 2 * this.$padding + this.scrollMargin.h);
        this.scrollBarH.setScrollLeft(this.scrollLeft + this.scrollMargin.left);
    };
    
    this.$frozen = false;
    this.freeze = function() {
        this.$frozen = true;
    };
    
    this.unfreeze = function() {
        this.$frozen = false;
    };

    this.$renderChanges = function(changes, force) {
        if (this.$changes) {
            changes |= this.$changes;
            this.$changes = 0;
        }
        if ((!this.session || !this.container.offsetWidth || this.$frozen) || (!changes && !force)) {
            this.$changes |= changes;
            return; 
        } 
        if (this.$size.$dirty) {
            this.$changes |= changes;
            return this.onResize(true);
        }
        if (!this.lineHeight) {
            this.$textLayer.checkForSizeChanges();
        }
        
        this._signal("beforeRender", changes);
        
        if (this.session && this.session.$bidiHandler)
            this.session.$bidiHandler.updateCharacterWidths(this.$fontMetrics);

        var config = this.layerConfig;
        if (changes & this.CHANGE_FULL ||
            changes & this.CHANGE_SIZE ||
            changes & this.CHANGE_TEXT ||
            changes & this.CHANGE_LINES ||
            changes & this.CHANGE_SCROLL ||
            changes & this.CHANGE_H_SCROLL
        ) {
            changes |= this.$computeLayerConfig() | this.$loop.clear();
            if (config.firstRow != this.layerConfig.firstRow && config.firstRowScreen == this.layerConfig.firstRowScreen) {
                var st = this.scrollTop + (config.firstRow - this.layerConfig.firstRow) * this.lineHeight;
                if (st > 0) {
                    this.scrollTop = st;
                    changes = changes | this.CHANGE_SCROLL;
                    changes |= this.$computeLayerConfig() | this.$loop.clear();
                }
            }
            config = this.layerConfig;
            this.$updateScrollBarV();
            if (changes & this.CHANGE_H_SCROLL)
                this.$updateScrollBarH();
            
            dom.translate(this.content, -this.scrollLeft, -config.offset);
            
            var width = config.width + 2 * this.$padding + "px";
            var height = config.minHeight + "px";
            
            dom.setStyle(this.content.style, "width", width);
            dom.setStyle(this.content.style, "height", height);
        }
        if (changes & this.CHANGE_H_SCROLL) {
            dom.translate(this.content, -this.scrollLeft, -config.offset);
            this.scroller.className = this.scrollLeft <= 0 ? "ace_scroller" : "ace_scroller ace_scroll-left";
        }
        if (changes & this.CHANGE_FULL) {
            this.$changedLines = null;
            this.$textLayer.update(config);
            if (this.$showGutter)
                this.$gutterLayer.update(config);
            this.$markerBack.update(config);
            this.$markerFront.update(config);
            this.$cursorLayer.update(config);
            this.$moveTextAreaToCursor();
            this._signal("afterRender", changes);
            return;
        }
        if (changes & this.CHANGE_SCROLL) {
            this.$changedLines = null;
            if (changes & this.CHANGE_TEXT || changes & this.CHANGE_LINES)
                this.$textLayer.update(config);
            else
                this.$textLayer.scrollLines(config);

            if (this.$showGutter) {
                if (changes & this.CHANGE_GUTTER || changes & this.CHANGE_LINES)
                    this.$gutterLayer.update(config);
                else
                    this.$gutterLayer.scrollLines(config);
            }
            this.$markerBack.update(config);
            this.$markerFront.update(config);
            this.$cursorLayer.update(config);
            this.$moveTextAreaToCursor();
            this._signal("afterRender", changes);
            return;
        }

        if (changes & this.CHANGE_TEXT) {
            this.$changedLines = null;
            this.$textLayer.update(config);
            if (this.$showGutter)
                this.$gutterLayer.update(config);
        }
        else if (changes & this.CHANGE_LINES) {
            if (this.$updateLines() || (changes & this.CHANGE_GUTTER) && this.$showGutter)
                this.$gutterLayer.update(config);
        }
        else if (changes & this.CHANGE_TEXT || changes & this.CHANGE_GUTTER) {
            if (this.$showGutter)
                this.$gutterLayer.update(config);
        }
        else if (changes & this.CHANGE_CURSOR) {
            if (this.$highlightGutterLine)
                this.$gutterLayer.updateLineHighlight(config);
        }

        if (changes & this.CHANGE_CURSOR) {
            this.$cursorLayer.update(config);
            this.$moveTextAreaToCursor();
        }

        if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_FRONT)) {
            this.$markerFront.update(config);
        }

        if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_BACK)) {
            this.$markerBack.update(config);
        }

        this._signal("afterRender", changes);
    };

    
    this.$autosize = function() {
        var height = this.session.getScreenLength() * this.lineHeight;
        var maxHeight = this.$maxLines * this.lineHeight;
        var desiredHeight = Math.min(maxHeight, 
            Math.max((this.$minLines || 1) * this.lineHeight, height)
        ) + this.scrollMargin.v + (this.$extraHeight || 0);
        if (this.$horizScroll)
            desiredHeight += this.scrollBarH.getHeight();
        if (this.$maxPixelHeight && desiredHeight > this.$maxPixelHeight)
            desiredHeight = this.$maxPixelHeight;
        
        var hideScrollbars = desiredHeight <= 2 * this.lineHeight;
        var vScroll = !hideScrollbars && height > maxHeight;
        
        if (desiredHeight != this.desiredHeight ||
            this.$size.height != this.desiredHeight || vScroll != this.$vScroll) {
            if (vScroll != this.$vScroll) {
                this.$vScroll = vScroll;
                this.scrollBarV.setVisible(vScroll);
            }
            
            var w = this.container.clientWidth;
            this.container.style.height = desiredHeight + "px";
            this.$updateCachedSize(true, this.$gutterWidth, w, desiredHeight);
            this.desiredHeight = desiredHeight;
            
            this._signal("autosize");
        }
    };
    
    this.$computeLayerConfig = function() {
        var session = this.session;
        var size = this.$size;
        
        var hideScrollbars = size.height <= 2 * this.lineHeight;
        var screenLines = this.session.getScreenLength();
        var maxHeight = screenLines * this.lineHeight;

        var longestLine = this.$getLongestLine();
        
        var horizScroll = !hideScrollbars && (this.$hScrollBarAlwaysVisible ||
            size.scrollerWidth - longestLine - 2 * this.$padding < 0);

        var hScrollChanged = this.$horizScroll !== horizScroll;
        if (hScrollChanged) {
            this.$horizScroll = horizScroll;
            this.scrollBarH.setVisible(horizScroll);
        }
        var vScrollBefore = this.$vScroll; // autosize can change vscroll value in which case we need to update longestLine
        if (this.$maxLines && this.lineHeight > 1)
            this.$autosize();

        var minHeight = size.scrollerHeight + this.lineHeight;
        
        var scrollPastEnd = !this.$maxLines && this.$scrollPastEnd
            ? (size.scrollerHeight - this.lineHeight) * this.$scrollPastEnd
            : 0;
        maxHeight += scrollPastEnd;
        
        var sm = this.scrollMargin;
        this.session.setScrollTop(Math.max(-sm.top,
            Math.min(this.scrollTop, maxHeight - size.scrollerHeight + sm.bottom)));

        this.session.setScrollLeft(Math.max(-sm.left, Math.min(this.scrollLeft, 
            longestLine + 2 * this.$padding - size.scrollerWidth + sm.right)));
        
        var vScroll = !hideScrollbars && (this.$vScrollBarAlwaysVisible ||
            size.scrollerHeight - maxHeight + scrollPastEnd < 0 || this.scrollTop > sm.top);
        var vScrollChanged = vScrollBefore !== vScroll;
        if (vScrollChanged) {
            this.$vScroll = vScroll;
            this.scrollBarV.setVisible(vScroll);
        }

        var offset = this.scrollTop % this.lineHeight;
        var lineCount = Math.ceil(minHeight / this.lineHeight) - 1;
        var firstRow = Math.max(0, Math.round((this.scrollTop - offset) / this.lineHeight));
        var lastRow = firstRow + lineCount;
        var firstRowScreen, firstRowHeight;
        var lineHeight = this.lineHeight;
        firstRow = session.screenToDocumentRow(firstRow, 0);
        var foldLine = session.getFoldLine(firstRow);
        if (foldLine) {
            firstRow = foldLine.start.row;
        }

        firstRowScreen = session.documentToScreenRow(firstRow, 0);
        firstRowHeight = session.getRowLength(firstRow) * lineHeight;

        lastRow = Math.min(session.screenToDocumentRow(lastRow, 0), session.getLength() - 1);
        minHeight = size.scrollerHeight + session.getRowLength(lastRow) * lineHeight +
                                                firstRowHeight;

        offset = this.scrollTop - firstRowScreen * lineHeight;

        var changes = 0;
        if (this.layerConfig.width != longestLine || hScrollChanged) 
            changes = this.CHANGE_H_SCROLL;
        if (hScrollChanged || vScrollChanged) {
            changes |= this.$updateCachedSize(true, this.gutterWidth, size.width, size.height);
            this._signal("scrollbarVisibilityChanged");
            if (vScrollChanged)
                longestLine = this.$getLongestLine();
        }
        
        this.layerConfig = {
            width : longestLine,
            padding : this.$padding,
            firstRow : firstRow,
            firstRowScreen: firstRowScreen,
            lastRow : lastRow,
            lineHeight : lineHeight,
            characterWidth : this.characterWidth,
            minHeight : minHeight,
            maxHeight : maxHeight,
            offset : offset,
            gutterOffset : lineHeight ? Math.max(0, Math.ceil((offset + size.height - size.scrollerHeight) / lineHeight)) : 0,
            height : this.$size.scrollerHeight
        };

        if (this.session.$bidiHandler)
            this.session.$bidiHandler.setContentWidth(longestLine - this.$padding);

        return changes;
    };

    this.$updateLines = function() {
        if (!this.$changedLines) return;
        var firstRow = this.$changedLines.firstRow;
        var lastRow = this.$changedLines.lastRow;
        this.$changedLines = null;

        var layerConfig = this.layerConfig;

        if (firstRow > layerConfig.lastRow + 1) { return; }
        if (lastRow < layerConfig.firstRow) { return; }
        if (lastRow === Infinity) {
            if (this.$showGutter)
                this.$gutterLayer.update(layerConfig);
            this.$textLayer.update(layerConfig);
            return;
        }
        this.$textLayer.updateLines(layerConfig, firstRow, lastRow);
        return true;
    };

    this.$getLongestLine = function() {
        var charCount = this.session.getScreenWidth();
        if (this.showInvisibles && !this.session.$useWrapMode)
            charCount += 1;
            
        if (this.$textLayer && charCount > this.$textLayer.MAX_LINE_LENGTH)
            charCount = this.$textLayer.MAX_LINE_LENGTH + 30;

        return Math.max(this.$size.scrollerWidth - 2 * this.$padding, Math.round(charCount * this.characterWidth));
    };
    this.updateFrontMarkers = function() {
        this.$markerFront.setMarkers(this.session.getMarkers(true));
        this.$loop.schedule(this.CHANGE_MARKER_FRONT);
    };
    this.updateBackMarkers = function() {
        this.$markerBack.setMarkers(this.session.getMarkers());
        this.$loop.schedule(this.CHANGE_MARKER_BACK);
    };
    this.addGutterDecoration = function(row, className){
        this.$gutterLayer.addGutterDecoration(row, className);
    };
    this.removeGutterDecoration = function(row, className){
        this.$gutterLayer.removeGutterDecoration(row, className);
    };
    this.updateBreakpoints = function(rows) {
        this.$loop.schedule(this.CHANGE_GUTTER);
    };
    this.setAnnotations = function(annotations) {
        this.$gutterLayer.setAnnotations(annotations);
        this.$loop.schedule(this.CHANGE_GUTTER);
    };
    this.updateCursor = function() {
        this.$loop.schedule(this.CHANGE_CURSOR);
    };
    this.hideCursor = function() {
        this.$cursorLayer.hideCursor();
    };
    this.showCursor = function() {
        this.$cursorLayer.showCursor();
    };

    this.scrollSelectionIntoView = function(anchor, lead, offset) {
        this.scrollCursorIntoView(anchor, offset);
        this.scrollCursorIntoView(lead, offset);
    };
    this.scrollCursorIntoView = function(cursor, offset, $viewMargin) {
        if (this.$size.scrollerHeight === 0)
            return;

        var pos = this.$cursorLayer.getPixelPosition(cursor);

        var left = pos.left;
        var top = pos.top;
        
        var topMargin = $viewMargin && $viewMargin.top || 0;
        var bottomMargin = $viewMargin && $viewMargin.bottom || 0;
        
        var scrollTop = this.$scrollAnimation ? this.session.getScrollTop() : this.scrollTop;
        
        if (scrollTop + topMargin > top) {
            if (offset && scrollTop + topMargin > top + this.lineHeight)
                top -= offset * this.$size.scrollerHeight;
            if (top === 0)
                top = -this.scrollMargin.top;
            this.session.setScrollTop(top);
        } else if (scrollTop + this.$size.scrollerHeight - bottomMargin < top + this.lineHeight) {
            if (offset && scrollTop + this.$size.scrollerHeight - bottomMargin < top -  this.lineHeight)
                top += offset * this.$size.scrollerHeight;
            this.session.setScrollTop(top + this.lineHeight + bottomMargin - this.$size.scrollerHeight);
        }

        var scrollLeft = this.scrollLeft;

        if (scrollLeft > left) {
            if (left < this.$padding + 2 * this.layerConfig.characterWidth)
                left = -this.scrollMargin.left;
            this.session.setScrollLeft(left);
        } else if (scrollLeft + this.$size.scrollerWidth < left + this.characterWidth) {
            this.session.setScrollLeft(Math.round(left + this.characterWidth - this.$size.scrollerWidth));
        } else if (scrollLeft <= this.$padding && left - scrollLeft < this.characterWidth) {
            this.session.setScrollLeft(0);
        }
    };
    this.getScrollTop = function() {
        return this.session.getScrollTop();
    };
    this.getScrollLeft = function() {
        return this.session.getScrollLeft();
    };
    this.getScrollTopRow = function() {
        return this.scrollTop / this.lineHeight;
    };
    this.getScrollBottomRow = function() {
        return Math.max(0, Math.floor((this.scrollTop + this.$size.scrollerHeight) / this.lineHeight) - 1);
    };
    this.scrollToRow = function(row) {
        this.session.setScrollTop(row * this.lineHeight);
    };

    this.alignCursor = function(cursor, alignment) {
        if (typeof cursor == "number")
            cursor = {row: cursor, column: 0};

        var pos = this.$cursorLayer.getPixelPosition(cursor);
        var h = this.$size.scrollerHeight - this.lineHeight;
        var offset = pos.top - h * (alignment || 0);

        this.session.setScrollTop(offset);
        return offset;
    };

    this.STEPS = 8;
    this.$calcSteps = function(fromValue, toValue){
        var i = 0;
        var l = this.STEPS;
        var steps = [];

        var func  = function(t, x_min, dx) {
            return dx * (Math.pow(t - 1, 3) + 1) + x_min;
        };

        for (i = 0; i < l; ++i)
            steps.push(func(i / this.STEPS, fromValue, toValue - fromValue));

        return steps;
    };
    this.scrollToLine = function(line, center, animate, callback) {
        var pos = this.$cursorLayer.getPixelPosition({row: line, column: 0});
        var offset = pos.top;
        if (center)
            offset -= this.$size.scrollerHeight / 2;

        var initialScroll = this.scrollTop;
        this.session.setScrollTop(offset);
        if (animate !== false)
            this.animateScrolling(initialScroll, callback);
    };

    this.animateScrolling = function(fromValue, callback) {
        var toValue = this.scrollTop;
        if (!this.$animatedScroll)
            return;
        var _self = this;
        
        if (fromValue == toValue)
            return;
        
        if (this.$scrollAnimation) {
            var oldSteps = this.$scrollAnimation.steps;
            if (oldSteps.length) {
                fromValue = oldSteps[0];
                if (fromValue == toValue)
                    return;
            }
        }
        
        var steps = _self.$calcSteps(fromValue, toValue);
        this.$scrollAnimation = {from: fromValue, to: toValue, steps: steps};

        clearInterval(this.$timer);

        _self.session.setScrollTop(steps.shift());
        _self.session.$scrollTop = toValue;
        this.$timer = setInterval(function() {
            if (!_self.session) 
                return clearInterval(_self.$timer);
            if (steps.length) {
                _self.session.setScrollTop(steps.shift());
                _self.session.$scrollTop = toValue;
            } else if (toValue != null) {
                _self.session.$scrollTop = -1;
                _self.session.setScrollTop(toValue);
                toValue = null;
            } else {
                _self.$timer = clearInterval(_self.$timer);
                _self.$scrollAnimation = null;
                callback && callback();
            }
        }, 10);
    };
    this.scrollToY = function(scrollTop) {
        if (this.scrollTop !== scrollTop) {
            this.$loop.schedule(this.CHANGE_SCROLL);
            this.scrollTop = scrollTop;
        }
    };
    this.scrollToX = function(scrollLeft) {
        if (this.scrollLeft !== scrollLeft)
            this.scrollLeft = scrollLeft;
        this.$loop.schedule(this.CHANGE_H_SCROLL);
    };
    this.scrollTo = function(x, y) {
        this.session.setScrollTop(y);
        this.session.setScrollLeft(x);
    };
    this.scrollBy = function(deltaX, deltaY) {
        deltaY && this.session.setScrollTop(this.session.getScrollTop() + deltaY);
        deltaX && this.session.setScrollLeft(this.session.getScrollLeft() + deltaX);
    };
    this.isScrollableBy = function(deltaX, deltaY) {
        if (deltaY < 0 && this.session.getScrollTop() >= 1 - this.scrollMargin.top)
           return true;
        if (deltaY > 0 && this.session.getScrollTop() + this.$size.scrollerHeight
            - this.layerConfig.maxHeight < -1 + this.scrollMargin.bottom)
           return true;
        if (deltaX < 0 && this.session.getScrollLeft() >= 1 - this.scrollMargin.left)
            return true;
        if (deltaX > 0 && this.session.getScrollLeft() + this.$size.scrollerWidth
            - this.layerConfig.width < -1 + this.scrollMargin.right)
           return true;
    };

    this.pixelToScreenCoordinates = function(x, y) {
        var canvasPos;
        if (this.$hasCssTransforms) {
            canvasPos = {top:0, left: 0};
            var p = this.$fontMetrics.transformCoordinates([x, y]);
            x = p[1] - this.gutterWidth - this.margin.left;
            y = p[0];
        } else {
            canvasPos = this.scroller.getBoundingClientRect();
        }
        
        var offsetX = x + this.scrollLeft - canvasPos.left - this.$padding;
        var offset = offsetX / this.characterWidth;
        var row = Math.floor((y + this.scrollTop - canvasPos.top) / this.lineHeight);
        var col = this.$blockCursor ? Math.floor(offset) : Math.round(offset);

        return {row: row, column: col, side: offset - col > 0 ? 1 : -1, offsetX:  offsetX};
    };

    this.screenToTextCoordinates = function(x, y) {
        var canvasPos;
        if (this.$hasCssTransforms) {
            canvasPos = {top:0, left: 0};
            var p = this.$fontMetrics.transformCoordinates([x, y]);
            x = p[1] - this.gutterWidth - this.margin.left;
            y = p[0];
        } else {
            canvasPos = this.scroller.getBoundingClientRect();
        }

        var offsetX = x + this.scrollLeft - canvasPos.left - this.$padding;
        var offset = offsetX / this.characterWidth;
        var col = this.$blockCursor ? Math.floor(offset) : Math.round(offset);

        var row = Math.floor((y + this.scrollTop - canvasPos.top) / this.lineHeight);

        return this.session.screenToDocumentPosition(row, Math.max(col, 0), offsetX);
    };
    this.textToScreenCoordinates = function(row, column) {
        var canvasPos = this.scroller.getBoundingClientRect();
        var pos = this.session.documentToScreenPosition(row, column);

        var x = this.$padding + (this.session.$bidiHandler.isBidiRow(pos.row, row)
             ? this.session.$bidiHandler.getPosLeft(pos.column)
             : Math.round(pos.column * this.characterWidth));
        
        var y = pos.row * this.lineHeight;

        return {
            pageX: canvasPos.left + x - this.scrollLeft,
            pageY: canvasPos.top + y - this.scrollTop
        };
    };
    this.visualizeFocus = function() {
        dom.addCssClass(this.container, "ace_focus");
    };
    this.visualizeBlur = function() {
        dom.removeCssClass(this.container, "ace_focus");
    };
    this.showComposition = function(composition) {
        this.$composition = composition;
        if (!composition.cssText) {
            composition.cssText = this.textarea.style.cssText;
        }
        if (composition.useTextareaForIME == undefined)
            composition.useTextareaForIME = this.$useTextareaForIME;
        
        if (this.$useTextareaForIME) {
            dom.addCssClass(this.textarea, "ace_composition");
            this.textarea.style.cssText = "";
            this.$moveTextAreaToCursor();
            this.$cursorLayer.element.style.display = "none";
        }
        else {
            composition.markerId = this.session.addMarker(composition.markerRange, "ace_composition_marker", "text");
        }
    };
    this.setCompositionText = function(text) {
        var cursor = this.session.selection.cursor;
        this.addToken(text, "composition_placeholder", cursor.row, cursor.column);
        this.$moveTextAreaToCursor();
    };
    this.hideComposition = function() {
        if (!this.$composition)
            return;
        
        if (this.$composition.markerId)
            this.session.removeMarker(this.$composition.markerId);

        dom.removeCssClass(this.textarea, "ace_composition");
        this.textarea.style.cssText = this.$composition.cssText;
        var cursor = this.session.selection.cursor;
        this.removeExtraToken(cursor.row, cursor.column);
        this.$composition = null;
        this.$cursorLayer.element.style.display = "";
    };
    
    this.addToken = function(text, type, row, column) {
        var session = this.session;
        session.bgTokenizer.lines[row] = null;
        var newToken = {type: type, value: text};
        var tokens = session.getTokens(row);
        if (column == null) {
            tokens.push(newToken);
        } else {
            var l = 0;
            for (var i =0; i < tokens.length; i++) {
                var token = tokens[i];
                l += token.value.length;
                if (column <= l) {
                    var diff = token.value.length - (l - column);
                    var before = token.value.slice(0, diff);
                    var after = token.value.slice(diff);
    
                    tokens.splice(i, 1, {type: token.type, value: before},  newToken,  {type: token.type, value: after});
                    break;
                }
            }
        }
        this.updateLines(row, row);
    };

    this.removeExtraToken = function(row, column) {
        this.updateLines(row, row);
    };
    this.setTheme = function(theme, cb) {
        var _self = this;
        this.$themeId = theme;
        _self._dispatchEvent('themeChange',{theme:theme});

        if (!theme || typeof theme == "string") {
            var moduleName = theme || this.$options.theme.initialValue;
            config.loadModule(["theme", moduleName], afterLoad);
        } else {
            afterLoad(theme);
        }

        function afterLoad(module) {
            if (_self.$themeId != theme)
                return cb && cb();
            if (!module || !module.cssClass)
                throw new Error("couldn't load module " + theme + " or it didn't call define");
            if (module.$id)
                _self.$themeId = module.$id;
            dom.importCssString(
                module.cssText,
                module.cssClass,
                _self.container
            );

            if (_self.theme)
                dom.removeCssClass(_self.container, _self.theme.cssClass);

            var padding = "padding" in module ? module.padding 
                : "padding" in (_self.theme || {}) ? 4 : _self.$padding;
            if (_self.$padding && padding != _self.$padding)
                _self.setPadding(padding);
            _self.$theme = module.cssClass;

            _self.theme = module;
            dom.addCssClass(_self.container, module.cssClass);
            dom.setCssClass(_self.container, "ace_dark", module.isDark);
            if (_self.$size) {
                _self.$size.width = 0;
                _self.$updateSizeAsync();
            }

            _self._dispatchEvent('themeLoaded', {theme:module});
            cb && cb();
        }
    };
    this.getTheme = function() {
        return this.$themeId;
    };
    this.setStyle = function(style, include) {
        dom.setCssClass(this.container, style, include !== false);
    };
    this.unsetStyle = function(style) {
        dom.removeCssClass(this.container, style);
    };
    
    this.setCursorStyle = function(style) {
        dom.setStyle(this.scroller.style, "cursor", style);
    };
    this.setMouseCursor = function(cursorStyle) {
        dom.setStyle(this.scroller.style, "cursor", cursorStyle);
    };
    
    this.attachToShadowRoot = function() {
        dom.importCssString(editorCss, "ace_editor.css", this.container);
    };
    this.destroy = function() {
        this.freeze();
        this.$fontMetrics.destroy();
        this.$cursorLayer.destroy();
        this.removeAllListeners();
        this.container.textContent = "";
    };

}).call(VirtualRenderer.prototype);


config.defineOptions(VirtualRenderer.prototype, "renderer", {
    animatedScroll: {initialValue: false},
    showInvisibles: {
        set: function(value) {
            if (this.$textLayer.setShowInvisibles(value))
                this.$loop.schedule(this.CHANGE_TEXT);
        },
        initialValue: false
    },
    showPrintMargin: {
        set: function() { this.$updatePrintMargin(); },
        initialValue: true
    },
    printMarginColumn: {
        set: function() { this.$updatePrintMargin(); },
        initialValue: 80
    },
    printMargin: {
        set: function(val) {
            if (typeof val == "number")
                this.$printMarginColumn = val;
            this.$showPrintMargin = !!val;
            this.$updatePrintMargin();
        },
        get: function() {
            return this.$showPrintMargin && this.$printMarginColumn; 
        }
    },
    showGutter: {
        set: function(show){
            this.$gutter.style.display = show ? "block" : "none";
            this.$loop.schedule(this.CHANGE_FULL);
            this.onGutterResize();
        },
        initialValue: true
    },
    fadeFoldWidgets: {
        set: function(show) {
            dom.setCssClass(this.$gutter, "ace_fade-fold-widgets", show);
        },
        initialValue: false
    },
    showFoldWidgets: {
        set: function(show) {
            this.$gutterLayer.setShowFoldWidgets(show);
            this.$loop.schedule(this.CHANGE_GUTTER);
        },
        initialValue: true
    },
    displayIndentGuides: {
        set: function(show) {
            if (this.$textLayer.setDisplayIndentGuides(show))
                this.$loop.schedule(this.CHANGE_TEXT);
        },
        initialValue: true
    },
    highlightGutterLine: {
        set: function(shouldHighlight) {
            this.$gutterLayer.setHighlightGutterLine(shouldHighlight);
            this.$loop.schedule(this.CHANGE_GUTTER);
        },
        initialValue: true
    },
    hScrollBarAlwaysVisible: {
        set: function(val) {
            if (!this.$hScrollBarAlwaysVisible || !this.$horizScroll)
                this.$loop.schedule(this.CHANGE_SCROLL);
        },
        initialValue: false
    },
    vScrollBarAlwaysVisible: {
        set: function(val) {
            if (!this.$vScrollBarAlwaysVisible || !this.$vScroll)
                this.$loop.schedule(this.CHANGE_SCROLL);
        },
        initialValue: false
    },
    fontSize: {
        set: function(size) {
            if (typeof size == "number")
                size = size + "px";
            this.container.style.fontSize = size;
            this.updateFontSize();
        },
        initialValue: 12
    },
    fontFamily: {
        set: function(name) {
            this.container.style.fontFamily = name;
            this.updateFontSize();
        }
    },
    maxLines: {
        set: function(val) {
            this.updateFull();
        }
    },
    minLines: {
        set: function(val) {
            if (!(this.$minLines < 0x1ffffffffffff))
                this.$minLines = 0;
            this.updateFull();
        }
    },
    maxPixelHeight: {
        set: function(val) {
            this.updateFull();
        },
        initialValue: 0
    },
    scrollPastEnd: {
        set: function(val) {
            val = +val || 0;
            if (this.$scrollPastEnd == val)
                return;
            this.$scrollPastEnd = val;
            this.$loop.schedule(this.CHANGE_SCROLL);
        },
        initialValue: 0,
        handlesSet: true
    },
    fixedWidthGutter: {
        set: function(val) {
            this.$gutterLayer.$fixedWidth = !!val;
            this.$loop.schedule(this.CHANGE_GUTTER);
        }
    },
    theme: {
        set: function(val) { this.setTheme(val); },
        get: function() { return this.$themeId || this.theme; },
        initialValue: "./theme/textmate",
        handlesSet: true
    },
    hasCssTransforms: {
    },
    useTextareaForIME: {
        initialValue: !useragent.isMobile && !useragent.isIE
    }
});

exports.VirtualRenderer = VirtualRenderer;
});

ace.define("ace/worker/worker_client",["require","exports","module","ace/lib/oop","ace/lib/net","ace/lib/event_emitter","ace/config"], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var net = require("../lib/net");
var EventEmitter = require("../lib/event_emitter").EventEmitter;
var config = require("../config");

function $workerBlob(workerUrl) {
    var script = "importScripts('" + net.qualifyURL(workerUrl) + "');";
    try {
        return new Blob([script], {"type": "application/javascript"});
    } catch (e) { // Backwards-compatibility
        var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder;
        var blobBuilder = new BlobBuilder();
        blobBuilder.append(script);
        return blobBuilder.getBlob("application/javascript");
    }
}

function createWorker(workerUrl) {
    if (typeof Worker == "undefined")
        return { postMessage: function() {}, terminate: function() {} };
    if (config.get("loadWorkerFromBlob")) {
        var blob = $workerBlob(workerUrl);
        var URL = window.URL || window.webkitURL;
        var blobURL = URL.createObjectURL(blob);
        return new Worker(blobURL);
    }
    return new Worker(workerUrl);
}

var WorkerClient = function(worker) {
    if (!worker.postMessage)
        worker = this.$createWorkerFromOldConfig.apply(this, arguments);

    this.$worker = worker;
    this.$sendDeltaQueue = this.$sendDeltaQueue.bind(this);
    this.changeListener = this.changeListener.bind(this);
    this.onMessage = this.onMessage.bind(this);

    this.callbackId = 1;
    this.callbacks = {};

    this.$worker.onmessage = this.onMessage;
};

(function(){

    oop.implement(this, EventEmitter);

    this.$createWorkerFromOldConfig = function(topLevelNamespaces, mod, classname, workerUrl, importScripts) {
        if (require.nameToUrl && !require.toUrl)
            require.toUrl = require.nameToUrl;

        if (config.get("packaged") || !require.toUrl) {
            workerUrl = workerUrl || config.moduleUrl(mod, "worker");
        } else {
            var normalizePath = this.$normalizePath;
            workerUrl = workerUrl || normalizePath(require.toUrl("ace/worker/worker.js", null, "_"));

            var tlns = {};
            topLevelNamespaces.forEach(function(ns) {
                tlns[ns] = normalizePath(require.toUrl(ns, null, "_").replace(/(\.js)?(\?.*)?$/, ""));
            });
        }

        this.$worker = createWorker(workerUrl);
        if (importScripts) {
            this.send("importScripts", importScripts);
        }
        this.$worker.postMessage({
            init : true,
            tlns : tlns,
            module : mod,
            classname : classname
        });
        return this.$worker;
    };

    this.onMessage = function(e) {
        var msg = e.data;
        switch (msg.type) {
            case "event":
                this._signal(msg.name, {data: msg.data});
                break;
            case "call":
                var callback = this.callbacks[msg.id];
                if (callback) {
                    callback(msg.data);
                    delete this.callbacks[msg.id];
                }
                break;
            case "error":
                this.reportError(msg.data);
                break;
            case "log":
                window.console && console.log && console.log.apply(console, msg.data);
                break;
        }
    };
    
    this.reportError = function(err) {
        window.console && console.error && console.error(err);
    };

    this.$normalizePath = function(path) {
        return net.qualifyURL(path);
    };

    this.terminate = function() {
        this._signal("terminate", {});
        this.deltaQueue = null;
        this.$worker.terminate();
        this.$worker = null;
        if (this.$doc)
            this.$doc.off("change", this.changeListener);
        this.$doc = null;
    };

    this.send = function(cmd, args) {
        this.$worker.postMessage({command: cmd, args: args});
    };

    this.call = function(cmd, args, callback) {
        if (callback) {
            var id = this.callbackId++;
            this.callbacks[id] = callback;
            args.push(id);
        }
        this.send(cmd, args);
    };

    this.emit = function(event, data) {
        try {
            if (data.data && data.data.err)
                data.data.err = {message: data.data.err.message, stack: data.data.err.stack, code: data.data.err.code};
                this.$worker && this.$worker.postMessage({event: event, data: {data: data.data}});
        }
        catch(ex) {
            console.error(ex.stack);
        }
    };

    this.attachToDocument = function(doc) {
        if (this.$doc)
            this.terminate();

        this.$doc = doc;
        this.call("setValue", [doc.getValue()]);
        doc.on("change", this.changeListener, true);
    };

    this.changeListener = function(delta) {
        if (!this.deltaQueue) {
            this.deltaQueue = [];
            setTimeout(this.$sendDeltaQueue, 0);
        }
        if (delta.action == "insert")
            this.deltaQueue.push(delta.start, delta.lines);
        else
            this.deltaQueue.push(delta.start, delta.end);
    };

    this.$sendDeltaQueue = function() {
        var q = this.deltaQueue;
        if (!q) return;
        this.deltaQueue = null;
        if (q.length > 50 && q.length > this.$doc.getLength() >> 1) {
            this.call("setValue", [this.$doc.getValue()]);
        } else
            this.emit("change", {data: q});
    };

}).call(WorkerClient.prototype);


var UIWorkerClient = function(topLevelNamespaces, mod, classname) {
    var main = null;
    var emitSync = false;
    var sender = Object.create(EventEmitter);

    var messageBuffer = [];
    var workerClient = new WorkerClient({
        messageBuffer: messageBuffer,
        terminate: function() {},
        postMessage: function(e) {
            messageBuffer.push(e);
            if (!main) return;
            if (emitSync)
                setTimeout(processNext);
            else
                processNext();
        }
    });

    workerClient.setEmitSync = function(val) { emitSync = val; };

    var processNext = function() {
        var msg = messageBuffer.shift();
        if (msg.command)
            main[msg.command].apply(main, msg.args);
        else if (msg.event)
            sender._signal(msg.event, msg.data);
    };

    sender.postMessage = function(msg) {
        workerClient.onMessage({data: msg});
    };
    sender.callback = function(data, callbackId) {
        this.postMessage({type: "call", id: callbackId, data: data});
    };
    sender.emit = function(name, data) {
        this.postMessage({type: "event", name: name, data: data});
    };

    config.loadModule(["worker", mod], function(Main) {
        main = new Main[classname](sender);
        while (messageBuffer.length)
            processNext();
    });

    return workerClient;
};

exports.UIWorkerClient = UIWorkerClient;
exports.WorkerClient = WorkerClient;
exports.createWorker = createWorker;


});

ace.define("ace/placeholder",["require","exports","module","ace/range","ace/lib/event_emitter","ace/lib/oop"], function(require, exports, module) {
"use strict";

var Range = require("./range").Range;
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var oop = require("./lib/oop");

var PlaceHolder = function(session, length, pos, others, mainClass, othersClass) {
    var _self = this;
    this.length = length;
    this.session = session;
    this.doc = session.getDocument();
    this.mainClass = mainClass;
    this.othersClass = othersClass;
    this.$onUpdate = this.onUpdate.bind(this);
    this.doc.on("change", this.$onUpdate, true);
    this.$others = others;
    
    this.$onCursorChange = function() {
        setTimeout(function() {
            _self.onCursorChange();
        });
    };
    
    this.$pos = pos;
    var undoStack = session.getUndoManager().$undoStack || session.getUndoManager().$undostack || {length: -1};
    this.$undoStackDepth = undoStack.length;
    this.setup();

    session.selection.on("changeCursor", this.$onCursorChange);
};

(function() {

    oop.implement(this, EventEmitter);
    this.setup = function() {
        var _self = this;
        var doc = this.doc;
        var session = this.session;
        
        this.selectionBefore = session.selection.toJSON();
        if (session.selection.inMultiSelectMode)
            session.selection.toSingleRange();

        this.pos = doc.createAnchor(this.$pos.row, this.$pos.column);
        var pos = this.pos;
        pos.$insertRight = true;
        pos.detach();
        pos.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column + this.length), this.mainClass, null, false);
        this.others = [];
        this.$others.forEach(function(other) {
            var anchor = doc.createAnchor(other.row, other.column);
            anchor.$insertRight = true;
            anchor.detach();
            _self.others.push(anchor);
        });
        session.setUndoSelect(false);
    };
    this.showOtherMarkers = function() {
        if (this.othersActive) return;
        var session = this.session;
        var _self = this;
        this.othersActive = true;
        this.others.forEach(function(anchor) {
            anchor.markerId = session.addMarker(new Range(anchor.row, anchor.column, anchor.row, anchor.column+_self.length), _self.othersClass, null, false);
        });
    };
    this.hideOtherMarkers = function() {
        if (!this.othersActive) return;
        this.othersActive = false;
        for (var i = 0; i < this.others.length; i++) {
            this.session.removeMarker(this.others[i].markerId);
        }
    };
    this.onUpdate = function(delta) {
        if (this.$updating)
            return this.updateAnchors(delta);
            
        var range = delta;
        if (range.start.row !== range.end.row) return;
        if (range.start.row !== this.pos.row) return;
        this.$updating = true;
        var lengthDiff = delta.action === "insert" ? range.end.column - range.start.column : range.start.column - range.end.column;
        var inMainRange = range.start.column >= this.pos.column && range.start.column <= this.pos.column + this.length + 1;
        var distanceFromStart = range.start.column - this.pos.column;
        
        this.updateAnchors(delta);
        
        if (inMainRange)
            this.length += lengthDiff;

        if (inMainRange && !this.session.$fromUndo) {
            if (delta.action === 'insert') {
                for (var i = this.others.length - 1; i >= 0; i--) {
                    var otherPos = this.others[i];
                    var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};
                    this.doc.insertMergedLines(newPos, delta.lines);
                }
            } else if (delta.action === 'remove') {
                for (var i = this.others.length - 1; i >= 0; i--) {
                    var otherPos = this.others[i];
                    var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};
                    this.doc.remove(new Range(newPos.row, newPos.column, newPos.row, newPos.column - lengthDiff));
                }
            }
        }
        
        this.$updating = false;
        this.updateMarkers();
    };
    
    this.updateAnchors = function(delta) {
        this.pos.onChange(delta);
        for (var i = this.others.length; i--;)
            this.others[i].onChange(delta);
        this.updateMarkers();
    };
    
    this.updateMarkers = function() {
        if (this.$updating)
            return;
        var _self = this;
        var session = this.session;
        var updateMarker = function(pos, className) {
            session.removeMarker(pos.markerId);
            pos.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column+_self.length), className, null, false);
        };
        updateMarker(this.pos, this.mainClass);
        for (var i = this.others.length; i--;)
            updateMarker(this.others[i], this.othersClass);
    };

    this.onCursorChange = function(event) {
        if (this.$updating || !this.session) return;
        var pos = this.session.selection.getCursor();
        if (pos.row === this.pos.row && pos.column >= this.pos.column && pos.column <= this.pos.column + this.length) {
            this.showOtherMarkers();
            this._emit("cursorEnter", event);
        } else {
            this.hideOtherMarkers();
            this._emit("cursorLeave", event);
        }
    };    
    this.detach = function() {
        this.session.removeMarker(this.pos && this.pos.markerId);
        this.hideOtherMarkers();
        this.doc.off("change", this.$onUpdate);
        this.session.selection.off("changeCursor", this.$onCursorChange);
        this.session.setUndoSelect(true);
        this.session = null;
    };
    this.cancel = function() {
        if (this.$undoStackDepth === -1)
            return;
        var undoManager = this.session.getUndoManager();
        var undosRequired = (undoManager.$undoStack || undoManager.$undostack).length - this.$undoStackDepth;
        for (var i = 0; i < undosRequired; i++) {
            undoManager.undo(this.session, true);
        }
        if (this.selectionBefore)
            this.session.selection.fromJSON(this.selectionBefore);
    };
}).call(PlaceHolder.prototype);


exports.PlaceHolder = PlaceHolder;
});

ace.define("ace/mouse/multi_select_handler",["require","exports","module","ace/lib/event","ace/lib/useragent"], function(require, exports, module) {

var event = require("../lib/event");
var useragent = require("../lib/useragent");
function isSamePoint(p1, p2) {
    return p1.row == p2.row && p1.column == p2.column;
}

function onMouseDown(e) {
    var ev = e.domEvent;
    var alt = ev.altKey;
    var shift = ev.shiftKey;
    var ctrl = ev.ctrlKey;
    var accel = e.getAccelKey();
    var button = e.getButton();
    
    if (ctrl && useragent.isMac)
        button = ev.button;

    if (e.editor.inMultiSelectMode && button == 2) {
        e.editor.textInput.onContextMenu(e.domEvent);
        return;
    }
    
    if (!ctrl && !alt && !accel) {
        if (button === 0 && e.editor.inMultiSelectMode)
            e.editor.exitMultiSelectMode();
        return;
    }
    
    if (button !== 0)
        return;

    var editor = e.editor;
    var selection = editor.selection;
    var isMultiSelect = editor.inMultiSelectMode;
    var pos = e.getDocumentPosition();
    var cursor = selection.getCursor();
    var inSelection = e.inSelection() || (selection.isEmpty() && isSamePoint(pos, cursor));

    var mouseX = e.x, mouseY = e.y;
    var onMouseSelection = function(e) {
        mouseX = e.clientX;
        mouseY = e.clientY;
    };
    
    var session = editor.session;
    var screenAnchor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);
    var screenCursor = screenAnchor;
    
    var selectionMode;
    if (editor.$mouseHandler.$enableJumpToDef) {
        if (ctrl && alt || accel && alt)
            selectionMode = shift ? "block" : "add";
        else if (alt && editor.$blockSelectEnabled)
            selectionMode = "block";
    } else {
        if (accel && !alt) {
            selectionMode = "add";
            if (!isMultiSelect && shift)
                return;
        } else if (alt && editor.$blockSelectEnabled) {
            selectionMode = "block";
        }
    }
    
    if (selectionMode && useragent.isMac && ev.ctrlKey) {
        editor.$mouseHandler.cancelContextMenu();
    }

    if (selectionMode == "add") {
        if (!isMultiSelect && inSelection)
            return; // dragging

        if (!isMultiSelect) {
            var range = selection.toOrientedRange();
            editor.addSelectionMarker(range);
        }

        var oldRange = selection.rangeList.rangeAtPoint(pos);
        
        editor.inVirtualSelectionMode = true;
        
        if (shift) {
            oldRange = null;
            range = selection.ranges[0] || range;
            editor.removeSelectionMarker(range);
        }
        editor.once("mouseup", function() {
            var tmpSel = selection.toOrientedRange();

            if (oldRange && tmpSel.isEmpty() && isSamePoint(oldRange.cursor, tmpSel.cursor))
                selection.substractPoint(tmpSel.cursor);
            else {
                if (shift) {
                    selection.substractPoint(range.cursor);
                } else if (range) {
                    editor.removeSelectionMarker(range);
                    selection.addRange(range);
                }
                selection.addRange(tmpSel);
            }
            editor.inVirtualSelectionMode = false;
        });

    } else if (selectionMode == "block") {
        e.stop();
        editor.inVirtualSelectionMode = true;        
        var initialRange;
        var rectSel = [];
        var blockSelect = function() {
            var newCursor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);
            var cursor = session.screenToDocumentPosition(newCursor.row, newCursor.column, newCursor.offsetX);

            if (isSamePoint(screenCursor, newCursor) && isSamePoint(cursor, selection.lead))
                return;
            screenCursor = newCursor;
            
            editor.selection.moveToPosition(cursor);
            editor.renderer.scrollCursorIntoView();

            editor.removeSelectionMarkers(rectSel);
            rectSel = selection.rectangularRangeBlock(screenCursor, screenAnchor);
            if (editor.$mouseHandler.$clickSelection && rectSel.length == 1 && rectSel[0].isEmpty())
                rectSel[0] = editor.$mouseHandler.$clickSelection.clone();
            rectSel.forEach(editor.addSelectionMarker, editor);
            editor.updateSelectionMarkers();
        };
        if (isMultiSelect && !accel) {
            selection.toSingleRange();
        } else if (!isMultiSelect && accel) {
            initialRange = selection.toOrientedRange();
            editor.addSelectionMarker(initialRange);
        }
        
        if (shift)
            screenAnchor = session.documentToScreenPosition(selection.lead);            
        else
            selection.moveToPosition(pos);
        
        screenCursor = {row: -1, column: -1};

        var onMouseSelectionEnd = function(e) {
            blockSelect();
            clearInterval(timerId);
            editor.removeSelectionMarkers(rectSel);
            if (!rectSel.length)
                rectSel = [selection.toOrientedRange()];
            if (initialRange) {
                editor.removeSelectionMarker(initialRange);
                selection.toSingleRange(initialRange);
            }
            for (var i = 0; i < rectSel.length; i++)
                selection.addRange(rectSel[i]);
            editor.inVirtualSelectionMode = false;
            editor.$mouseHandler.$clickSelection = null;
        };

        var onSelectionInterval = blockSelect;

        event.capture(editor.container, onMouseSelection, onMouseSelectionEnd);
        var timerId = setInterval(function() {onSelectionInterval();}, 20);

        return e.preventDefault();
    }
}


exports.onMouseDown = onMouseDown;

});

ace.define("ace/commands/multi_select_commands",["require","exports","module","ace/keyboard/hash_handler"], function(require, exports, module) {
exports.defaultCommands = [{
    name: "addCursorAbove",
    description: "Add cursor above",
    exec: function(editor) { editor.selectMoreLines(-1); },
    bindKey: {win: "Ctrl-Alt-Up", mac: "Ctrl-Alt-Up"},
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "addCursorBelow",
    description: "Add cursor below",
    exec: function(editor) { editor.selectMoreLines(1); },
    bindKey: {win: "Ctrl-Alt-Down", mac: "Ctrl-Alt-Down"},
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "addCursorAboveSkipCurrent",
    description: "Add cursor above (skip current)",
    exec: function(editor) { editor.selectMoreLines(-1, true); },
    bindKey: {win: "Ctrl-Alt-Shift-Up", mac: "Ctrl-Alt-Shift-Up"},
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "addCursorBelowSkipCurrent",
    description: "Add cursor below (skip current)",
    exec: function(editor) { editor.selectMoreLines(1, true); },
    bindKey: {win: "Ctrl-Alt-Shift-Down", mac: "Ctrl-Alt-Shift-Down"},
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selectMoreBefore",
    description: "Select more before",
    exec: function(editor) { editor.selectMore(-1); },
    bindKey: {win: "Ctrl-Alt-Left", mac: "Ctrl-Alt-Left"},
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selectMoreAfter",
    description: "Select more after",
    exec: function(editor) { editor.selectMore(1); },
    bindKey: {win: "Ctrl-Alt-Right", mac: "Ctrl-Alt-Right"},
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selectNextBefore",
    description: "Select next before",
    exec: function(editor) { editor.selectMore(-1, true); },
    bindKey: {win: "Ctrl-Alt-Shift-Left", mac: "Ctrl-Alt-Shift-Left"},
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "selectNextAfter",
    description: "Select next after",
    exec: function(editor) { editor.selectMore(1, true); },
    bindKey: {win: "Ctrl-Alt-Shift-Right", mac: "Ctrl-Alt-Shift-Right"},
    scrollIntoView: "cursor",
    readOnly: true
}, {
    name: "toggleSplitSelectionIntoLines",
    description: "Split into lines",
    exec: function(editor) {
        if (editor.multiSelect.rangeCount > 1)
            editor.multiSelect.joinSelections();
        else
            editor.multiSelect.splitIntoLines();
    },
    bindKey: {win: "Ctrl-Alt-L", mac: "Ctrl-Alt-L"},
    readOnly: true
}, {
    name: "splitSelectionIntoLines",
    description: "Split into lines",
    exec: function(editor) { editor.multiSelect.splitIntoLines(); },
    readOnly: true
}, {
    name: "alignCursors",
    description: "Align cursors",
    exec: function(editor) { editor.alignCursors(); },
    bindKey: {win: "Ctrl-Alt-A", mac: "Ctrl-Alt-A"},
    scrollIntoView: "cursor"
}, {
    name: "findAll",
    description: "Find all",
    exec: function(editor) { editor.findAll(); },
    bindKey: {win: "Ctrl-Alt-K", mac: "Ctrl-Alt-G"},
    scrollIntoView: "cursor",
    readOnly: true
}];
exports.multiSelectCommands = [{
    name: "singleSelection",
    description: "Single selection",
    bindKey: "esc",
    exec: function(editor) { editor.exitMultiSelectMode(); },
    scrollIntoView: "cursor",
    readOnly: true,
    isAvailable: function(editor) {return editor && editor.inMultiSelectMode;}
}];

var HashHandler = require("../keyboard/hash_handler").HashHandler;
exports.keyboardHandler = new HashHandler(exports.multiSelectCommands);

});

ace.define("ace/multi_select",["require","exports","module","ace/range_list","ace/range","ace/selection","ace/mouse/multi_select_handler","ace/lib/event","ace/lib/lang","ace/commands/multi_select_commands","ace/search","ace/edit_session","ace/editor","ace/config"], function(require, exports, module) {

var RangeList = require("./range_list").RangeList;
var Range = require("./range").Range;
var Selection = require("./selection").Selection;
var onMouseDown = require("./mouse/multi_select_handler").onMouseDown;
var event = require("./lib/event");
var lang = require("./lib/lang");
var commands = require("./commands/multi_select_commands");
exports.commands = commands.defaultCommands.concat(commands.multiSelectCommands);
var Search = require("./search").Search;
var search = new Search();

function find(session, needle, dir) {
    search.$options.wrap = true;
    search.$options.needle = needle;
    search.$options.backwards = dir == -1;
    return search.find(session);
}
var EditSession = require("./edit_session").EditSession;
(function() {
    this.getSelectionMarkers = function() {
        return this.$selectionMarkers;
    };
}).call(EditSession.prototype);
(function() {
    this.ranges = null;
    this.rangeList = null;
    this.addRange = function(range, $blockChangeEvents) {
        if (!range)
            return;

        if (!this.inMultiSelectMode && this.rangeCount === 0) {
            var oldRange = this.toOrientedRange();
            this.rangeList.add(oldRange);
            this.rangeList.add(range);
            if (this.rangeList.ranges.length != 2) {
                this.rangeList.removeAll();
                return $blockChangeEvents || this.fromOrientedRange(range);
            }
            this.rangeList.removeAll();
            this.rangeList.add(oldRange);
            this.$onAddRange(oldRange);
        }

        if (!range.cursor)
            range.cursor = range.end;

        var removed = this.rangeList.add(range);

        this.$onAddRange(range);

        if (removed.length)
            this.$onRemoveRange(removed);

        if (this.rangeCount > 1 && !this.inMultiSelectMode) {
            this._signal("multiSelect");
            this.inMultiSelectMode = true;
            this.session.$undoSelect = false;
            this.rangeList.attach(this.session);
        }

        return $blockChangeEvents || this.fromOrientedRange(range);
    };
    this.toSingleRange = function(range) {
        range = range || this.ranges[0];
        var removed = this.rangeList.removeAll();
        if (removed.length)
            this.$onRemoveRange(removed);

        range && this.fromOrientedRange(range);
    };
    this.substractPoint = function(pos) {
        var removed = this.rangeList.substractPoint(pos);
        if (removed) {
            this.$onRemoveRange(removed);
            return removed[0];
        }
    };
    this.mergeOverlappingRanges = function() {
        var removed = this.rangeList.merge();
        if (removed.length)
            this.$onRemoveRange(removed);
    };

    this.$onAddRange = function(range) {
        this.rangeCount = this.rangeList.ranges.length;
        this.ranges.unshift(range);
        this._signal("addRange", {range: range});
    };

    this.$onRemoveRange = function(removed) {
        this.rangeCount = this.rangeList.ranges.length;
        if (this.rangeCount == 1 && this.inMultiSelectMode) {
            var lastRange = this.rangeList.ranges.pop();
            removed.push(lastRange);
            this.rangeCount = 0;
        }

        for (var i = removed.length; i--; ) {
            var index = this.ranges.indexOf(removed[i]);
            this.ranges.splice(index, 1);
        }

        this._signal("removeRange", {ranges: removed});

        if (this.rangeCount === 0 && this.inMultiSelectMode) {
            this.inMultiSelectMode = false;
            this._signal("singleSelect");
            this.session.$undoSelect = true;
            this.rangeList.detach(this.session);
        }

        lastRange = lastRange || this.ranges[0];
        if (lastRange && !lastRange.isEqual(this.getRange()))
            this.fromOrientedRange(lastRange);
    };
    this.$initRangeList = function() {
        if (this.rangeList)
            return;

        this.rangeList = new RangeList();
        this.ranges = [];
        this.rangeCount = 0;
    };
    this.getAllRanges = function() {
        return this.rangeCount ? this.rangeList.ranges.concat() : [this.getRange()];
    };
    this.splitIntoLines = function () {
        var ranges = this.ranges.length ? this.ranges : [this.getRange()];
        var newRanges = [];
        for (var i = 0; i < ranges.length; i++) {
            var range = ranges[i];
            var row = range.start.row;
            var endRow = range.end.row;
            if (row === endRow) {
                newRanges.push(range.clone());
            } else {
                newRanges.push(new Range(row, range.start.column, row, this.session.getLine(row).length));
                while (++row < endRow)
                    newRanges.push(this.getLineRange(row, true));
                newRanges.push(new Range(endRow, 0, endRow, range.end.column));
            }
            if (i == 0 && !this.isBackwards())
                newRanges = newRanges.reverse();
        }
        this.toSingleRange();
        for (var i = newRanges.length; i--;)
            this.addRange(newRanges[i]);
    };
    
    this.joinSelections = function () {
        var ranges = this.rangeList.ranges;
        var lastRange = ranges[ranges.length - 1];
        var range = Range.fromPoints(ranges[0].start, lastRange.end);

        this.toSingleRange();
        this.setSelectionRange(range, lastRange.cursor == lastRange.start);
    };
    this.toggleBlockSelection = function () {
        if (this.rangeCount > 1) {
            var ranges = this.rangeList.ranges;
            var lastRange = ranges[ranges.length - 1];
            var range = Range.fromPoints(ranges[0].start, lastRange.end);

            this.toSingleRange();
            this.setSelectionRange(range, lastRange.cursor == lastRange.start);
        } else {
            var cursor = this.session.documentToScreenPosition(this.cursor);
            var anchor = this.session.documentToScreenPosition(this.anchor);

            var rectSel = this.rectangularRangeBlock(cursor, anchor);
            rectSel.forEach(this.addRange, this);
        }
    };
    this.rectangularRangeBlock = function(screenCursor, screenAnchor, includeEmptyLines) {
        var rectSel = [];

        var xBackwards = screenCursor.column < screenAnchor.column;
        if (xBackwards) {
            var startColumn = screenCursor.column;
            var endColumn = screenAnchor.column;
            var startOffsetX = screenCursor.offsetX;
            var endOffsetX = screenAnchor.offsetX;
        } else {
            var startColumn = screenAnchor.column;
            var endColumn = screenCursor.column;
            var startOffsetX = screenAnchor.offsetX;
            var endOffsetX = screenCursor.offsetX;
        }

        var yBackwards = screenCursor.row < screenAnchor.row;
        if (yBackwards) {
            var startRow = screenCursor.row;
            var endRow = screenAnchor.row;
        } else {
            var startRow = screenAnchor.row;
            var endRow = screenCursor.row;
        }

        if (startColumn < 0)
            startColumn = 0;
        if (startRow < 0)
            startRow = 0;

        if (startRow == endRow)
            includeEmptyLines = true;

        var docEnd;
        for (var row = startRow; row <= endRow; row++) {
            var range = Range.fromPoints(
                this.session.screenToDocumentPosition(row, startColumn, startOffsetX),
                this.session.screenToDocumentPosition(row, endColumn, endOffsetX)
            );
            if (range.isEmpty()) {
                if (docEnd && isSamePoint(range.end, docEnd))
                    break;
                docEnd = range.end;
            }
            range.cursor = xBackwards ? range.start : range.end;
            rectSel.push(range);
        }

        if (yBackwards)
            rectSel.reverse();

        if (!includeEmptyLines) {
            var end = rectSel.length - 1;
            while (rectSel[end].isEmpty() && end > 0)
                end--;
            if (end > 0) {
                var start = 0;
                while (rectSel[start].isEmpty())
                    start++;
            }
            for (var i = end; i >= start; i--) {
                if (rectSel[i].isEmpty())
                    rectSel.splice(i, 1);
            }
        }

        return rectSel;
    };
}).call(Selection.prototype);
var Editor = require("./editor").Editor;
(function() {
    this.updateSelectionMarkers = function() {
        this.renderer.updateCursor();
        this.renderer.updateBackMarkers();
    };
    this.addSelectionMarker = function(orientedRange) {
        if (!orientedRange.cursor)
            orientedRange.cursor = orientedRange.end;

        var style = this.getSelectionStyle();
        orientedRange.marker = this.session.addMarker(orientedRange, "ace_selection", style);

        this.session.$selectionMarkers.push(orientedRange);
        this.session.selectionMarkerCount = this.session.$selectionMarkers.length;
        return orientedRange;
    };
    this.removeSelectionMarker = function(range) {
        if (!range.marker)
            return;
        this.session.removeMarker(range.marker);
        var index = this.session.$selectionMarkers.indexOf(range);
        if (index != -1)
            this.session.$selectionMarkers.splice(index, 1);
        this.session.selectionMarkerCount = this.session.$selectionMarkers.length;
    };

    this.removeSelectionMarkers = function(ranges) {
        var markerList = this.session.$selectionMarkers;
        for (var i = ranges.length; i--; ) {
            var range = ranges[i];
            if (!range.marker)
                continue;
            this.session.removeMarker(range.marker);
            var index = markerList.indexOf(range);
            if (index != -1)
                markerList.splice(index, 1);
        }
        this.session.selectionMarkerCount = markerList.length;
    };

    this.$onAddRange = function(e) {
        this.addSelectionMarker(e.range);
        this.renderer.updateCursor();
        this.renderer.updateBackMarkers();
    };

    this.$onRemoveRange = function(e) {
        this.removeSelectionMarkers(e.ranges);
        this.renderer.updateCursor();
        this.renderer.updateBackMarkers();
    };

    this.$onMultiSelect = function(e) {
        if (this.inMultiSelectMode)
            return;
        this.inMultiSelectMode = true;

        this.setStyle("ace_multiselect");
        this.keyBinding.addKeyboardHandler(commands.keyboardHandler);
        this.commands.setDefaultHandler("exec", this.$onMultiSelectExec);

        this.renderer.updateCursor();
        this.renderer.updateBackMarkers();
    };

    this.$onSingleSelect = function(e) {
        if (this.session.multiSelect.inVirtualMode)
            return;
        this.inMultiSelectMode = false;

        this.unsetStyle("ace_multiselect");
        this.keyBinding.removeKeyboardHandler(commands.keyboardHandler);

        this.commands.removeDefaultHandler("exec", this.$onMultiSelectExec);
        this.renderer.updateCursor();
        this.renderer.updateBackMarkers();
        this._emit("changeSelection");
    };

    this.$onMultiSelectExec = function(e) {
        var command = e.command;
        var editor = e.editor;
        if (!editor.multiSelect)
            return;
        if (!command.multiSelectAction) {
            var result = command.exec(editor, e.args || {});
            editor.multiSelect.addRange(editor.multiSelect.toOrientedRange());
            editor.multiSelect.mergeOverlappingRanges();
        } else if (command.multiSelectAction == "forEach") {
            result = editor.forEachSelection(command, e.args);
        } else if (command.multiSelectAction == "forEachLine") {
            result = editor.forEachSelection(command, e.args, true);
        } else if (command.multiSelectAction == "single") {
            editor.exitMultiSelectMode();
            result = command.exec(editor, e.args || {});
        } else {
            result = command.multiSelectAction(editor, e.args || {});
        }
        return result;
    }; 
    this.forEachSelection = function(cmd, args, options) {
        if (this.inVirtualSelectionMode)
            return;
        var keepOrder = options && options.keepOrder;
        var $byLines = options == true || options && options.$byLines;
        var session = this.session;
        var selection = this.selection;
        var rangeList = selection.rangeList;
        var ranges = (keepOrder ? selection : rangeList).ranges;
        var result;
        
        if (!ranges.length)
            return cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});
        
        var reg = selection._eventRegistry;
        selection._eventRegistry = {};

        var tmpSel = new Selection(session);
        this.inVirtualSelectionMode = true;
        for (var i = ranges.length; i--;) {
            if ($byLines) {
                while (i > 0 && ranges[i].start.row == ranges[i - 1].end.row)
                    i--;
            }
            tmpSel.fromOrientedRange(ranges[i]);
            tmpSel.index = i;
            this.selection = session.selection = tmpSel;
            var cmdResult = cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});
            if (!result && cmdResult !== undefined)
                result = cmdResult;
            tmpSel.toOrientedRange(ranges[i]);
        }
        tmpSel.detach();

        this.selection = session.selection = selection;
        this.inVirtualSelectionMode = false;
        selection._eventRegistry = reg;
        selection.mergeOverlappingRanges();
        if (selection.ranges[0])
            selection.fromOrientedRange(selection.ranges[0]);
        
        var anim = this.renderer.$scrollAnimation;
        this.onCursorChange();
        this.onSelectionChange();
        if (anim && anim.from == anim.to)
            this.renderer.animateScrolling(anim.from);
        
        return result;
    };
    this.exitMultiSelectMode = function() {
        if (!this.inMultiSelectMode || this.inVirtualSelectionMode)
            return;
        this.multiSelect.toSingleRange();
    };

    this.getSelectedText = function() {
        var text = "";
        if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {
            var ranges = this.multiSelect.rangeList.ranges;
            var buf = [];
            for (var i = 0; i < ranges.length; i++) {
                buf.push(this.session.getTextRange(ranges[i]));
            }
            var nl = this.session.getDocument().getNewLineCharacter();
            text = buf.join(nl);
            if (text.length == (buf.length - 1) * nl.length)
                text = "";
        } else if (!this.selection.isEmpty()) {
            text = this.session.getTextRange(this.getSelectionRange());
        }
        return text;
    };
    
    this.$checkMultiselectChange = function(e, anchor) {
        if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {
            var range = this.multiSelect.ranges[0];
            if (this.multiSelect.isEmpty() && anchor == this.multiSelect.anchor)
                return;
            var pos = anchor == this.multiSelect.anchor
                ? range.cursor == range.start ? range.end : range.start
                : range.cursor;
            if (pos.row != anchor.row 
                || this.session.$clipPositionToDocument(pos.row, pos.column).column != anchor.column)
                this.multiSelect.toSingleRange(this.multiSelect.toOrientedRange());
            else
                this.multiSelect.mergeOverlappingRanges();
        }
    };
    this.findAll = function(needle, options, additive) {
        options = options || {};
        options.needle = needle || options.needle;
        if (options.needle == undefined) {
            var range = this.selection.isEmpty()
                ? this.selection.getWordRange()
                : this.selection.getRange();
            options.needle = this.session.getTextRange(range);
        }    
        this.$search.set(options);
        
        var ranges = this.$search.findAll(this.session);
        if (!ranges.length)
            return 0;

        var selection = this.multiSelect;

        if (!additive)
            selection.toSingleRange(ranges[0]);

        for (var i = ranges.length; i--; )
            selection.addRange(ranges[i], true);
        if (range && selection.rangeList.rangeAtPoint(range.start))
            selection.addRange(range, true);
        
        return ranges.length;
    };
    this.selectMoreLines = function(dir, skip) {
        var range = this.selection.toOrientedRange();
        var isBackwards = range.cursor == range.end;

        var screenLead = this.session.documentToScreenPosition(range.cursor);
        if (this.selection.$desiredColumn)
            screenLead.column = this.selection.$desiredColumn;

        var lead = this.session.screenToDocumentPosition(screenLead.row + dir, screenLead.column);

        if (!range.isEmpty()) {
            var screenAnchor = this.session.documentToScreenPosition(isBackwards ? range.end : range.start);
            var anchor = this.session.screenToDocumentPosition(screenAnchor.row + dir, screenAnchor.column);
        } else {
            var anchor = lead;
        }

        if (isBackwards) {
            var newRange = Range.fromPoints(lead, anchor);
            newRange.cursor = newRange.start;
        } else {
            var newRange = Range.fromPoints(anchor, lead);
            newRange.cursor = newRange.end;
        }

        newRange.desiredColumn = screenLead.column;
        if (!this.selection.inMultiSelectMode) {
            this.selection.addRange(range);
        } else {
            if (skip)
                var toRemove = range.cursor;
        }

        this.selection.addRange(newRange);
        if (toRemove)
            this.selection.substractPoint(toRemove);
    };
    this.transposeSelections = function(dir) {
        var session = this.session;
        var sel = session.multiSelect;
        var all = sel.ranges;

        for (var i = all.length; i--; ) {
            var range = all[i];
            if (range.isEmpty()) {
                var tmp = session.getWordRange(range.start.row, range.start.column);
                range.start.row = tmp.start.row;
                range.start.column = tmp.start.column;
                range.end.row = tmp.end.row;
                range.end.column = tmp.end.column;
            }
        }
        sel.mergeOverlappingRanges();

        var words = [];
        for (var i = all.length; i--; ) {
            var range = all[i];
            words.unshift(session.getTextRange(range));
        }

        if (dir < 0)
            words.unshift(words.pop());
        else
            words.push(words.shift());

        for (var i = all.length; i--; ) {
            var range = all[i];
            var tmp = range.clone();
            session.replace(range, words[i]);
            range.start.row = tmp.start.row;
            range.start.column = tmp.start.column;
        }
        sel.fromOrientedRange(sel.ranges[0]);
    };
    this.selectMore = function(dir, skip, stopAtFirst) {
        var session = this.session;
        var sel = session.multiSelect;

        var range = sel.toOrientedRange();
        if (range.isEmpty()) {
            range = session.getWordRange(range.start.row, range.start.column);
            range.cursor = dir == -1 ? range.start : range.end;
            this.multiSelect.addRange(range);
            if (stopAtFirst)
                return;
        }
        var needle = session.getTextRange(range);

        var newRange = find(session, needle, dir);
        if (newRange) {
            newRange.cursor = dir == -1 ? newRange.start : newRange.end;
            this.session.unfold(newRange);
            this.multiSelect.addRange(newRange);
            this.renderer.scrollCursorIntoView(null, 0.5);
        }
        if (skip)
            this.multiSelect.substractPoint(range.cursor);
    };
    this.alignCursors = function() {
        var session = this.session;
        var sel = session.multiSelect;
        var ranges = sel.ranges;
        var row = -1;
        var sameRowRanges = ranges.filter(function(r) {
            if (r.cursor.row == row)
                return true;
            row = r.cursor.row;
        });
        
        if (!ranges.length || sameRowRanges.length == ranges.length - 1) {
            var range = this.selection.getRange();
            var fr = range.start.row, lr = range.end.row;
            var guessRange = fr == lr;
            if (guessRange) {
                var max = this.session.getLength();
                var line;
                do {
                    line = this.session.getLine(lr);
                } while (/[=:]/.test(line) && ++lr < max);
                do {
                    line = this.session.getLine(fr);
                } while (/[=:]/.test(line) && --fr > 0);
                
                if (fr < 0) fr = 0;
                if (lr >= max) lr = max - 1;
            }
            var lines = this.session.removeFullLines(fr, lr);
            lines = this.$reAlignText(lines, guessRange);
            this.session.insert({row: fr, column: 0}, lines.join("\n") + "\n");
            if (!guessRange) {
                range.start.column = 0;
                range.end.column = lines[lines.length - 1].length;
            }
            this.selection.setRange(range);
        } else {
            sameRowRanges.forEach(function(r) {
                sel.substractPoint(r.cursor);
            });

            var maxCol = 0;
            var minSpace = Infinity;
            var spaceOffsets = ranges.map(function(r) {
                var p = r.cursor;
                var line = session.getLine(p.row);
                var spaceOffset = line.substr(p.column).search(/\S/g);
                if (spaceOffset == -1)
                    spaceOffset = 0;

                if (p.column > maxCol)
                    maxCol = p.column;
                if (spaceOffset < minSpace)
                    minSpace = spaceOffset;
                return spaceOffset;
            });
            ranges.forEach(function(r, i) {
                var p = r.cursor;
                var l = maxCol - p.column;
                var d = spaceOffsets[i] - minSpace;
                if (l > d)
                    session.insert(p, lang.stringRepeat(" ", l - d));
                else
                    session.remove(new Range(p.row, p.column, p.row, p.column - l + d));

                r.start.column = r.end.column = maxCol;
                r.start.row = r.end.row = p.row;
                r.cursor = r.end;
            });
            sel.fromOrientedRange(ranges[0]);
            this.renderer.updateCursor();
            this.renderer.updateBackMarkers();
        }
    };

    this.$reAlignText = function(lines, forceLeft) {
        var isLeftAligned = true, isRightAligned = true;
        var startW, textW, endW;

        return lines.map(function(line) {
            var m = line.match(/(\s*)(.*?)(\s*)([=:].*)/);
            if (!m)
                return [line];

            if (startW == null) {
                startW = m[1].length;
                textW = m[2].length;
                endW = m[3].length;
                return m;
            }

            if (startW + textW + endW != m[1].length + m[2].length + m[3].length)
                isRightAligned = false;
            if (startW != m[1].length)
                isLeftAligned = false;

            if (startW > m[1].length)
                startW = m[1].length;
            if (textW < m[2].length)
                textW = m[2].length;
            if (endW > m[3].length)
                endW = m[3].length;

            return m;
        }).map(forceLeft ? alignLeft :
            isLeftAligned ? isRightAligned ? alignRight : alignLeft : unAlign);

        function spaces(n) {
            return lang.stringRepeat(" ", n);
        }

        function alignLeft(m) {
            return !m[2] ? m[0] : spaces(startW) + m[2]
                + spaces(textW - m[2].length + endW)
                + m[4].replace(/^([=:])\s+/, "$1 ");
        }
        function alignRight(m) {
            return !m[2] ? m[0] : spaces(startW + textW - m[2].length) + m[2]
                + spaces(endW)
                + m[4].replace(/^([=:])\s+/, "$1 ");
        }
        function unAlign(m) {
            return !m[2] ? m[0] : spaces(startW) + m[2]
                + spaces(endW)
                + m[4].replace(/^([=:])\s+/, "$1 ");
        }
    };
}).call(Editor.prototype);


function isSamePoint(p1, p2) {
    return p1.row == p2.row && p1.column == p2.column;
}
exports.onSessionChange = function(e) {
    var session = e.session;
    if (session && !session.multiSelect) {
        session.$selectionMarkers = [];
        session.selection.$initRangeList();
        session.multiSelect = session.selection;
    }
    this.multiSelect = session && session.multiSelect;

    var oldSession = e.oldSession;
    if (oldSession) {
        oldSession.multiSelect.off("addRange", this.$onAddRange);
        oldSession.multiSelect.off("removeRange", this.$onRemoveRange);
        oldSession.multiSelect.off("multiSelect", this.$onMultiSelect);
        oldSession.multiSelect.off("singleSelect", this.$onSingleSelect);
        oldSession.multiSelect.lead.off("change", this.$checkMultiselectChange);
        oldSession.multiSelect.anchor.off("change", this.$checkMultiselectChange);
    }

    if (session) {
        session.multiSelect.on("addRange", this.$onAddRange);
        session.multiSelect.on("removeRange", this.$onRemoveRange);
        session.multiSelect.on("multiSelect", this.$onMultiSelect);
        session.multiSelect.on("singleSelect", this.$onSingleSelect);
        session.multiSelect.lead.on("change", this.$checkMultiselectChange);
        session.multiSelect.anchor.on("change", this.$checkMultiselectChange);
    }

    if (session && this.inMultiSelectMode != session.selection.inMultiSelectMode) {
        if (session.selection.inMultiSelectMode)
            this.$onMultiSelect();
        else
            this.$onSingleSelect();
    }
};
function MultiSelect(editor) {
    if (editor.$multiselectOnSessionChange)
        return;
    editor.$onAddRange = editor.$onAddRange.bind(editor);
    editor.$onRemoveRange = editor.$onRemoveRange.bind(editor);
    editor.$onMultiSelect = editor.$onMultiSelect.bind(editor);
    editor.$onSingleSelect = editor.$onSingleSelect.bind(editor);
    editor.$multiselectOnSessionChange = exports.onSessionChange.bind(editor);
    editor.$checkMultiselectChange = editor.$checkMultiselectChange.bind(editor);

    editor.$multiselectOnSessionChange(editor);
    editor.on("changeSession", editor.$multiselectOnSessionChange);

    editor.on("mousedown", onMouseDown);
    editor.commands.addCommands(commands.defaultCommands);

    addAltCursorListeners(editor);
}

function addAltCursorListeners(editor){
    if (!editor.textInput) return;
    var el = editor.textInput.getElement();
    var altCursor = false;
    event.addListener(el, "keydown", function(e) {
        var altDown = e.keyCode == 18 && !(e.ctrlKey || e.shiftKey || e.metaKey);
        if (editor.$blockSelectEnabled && altDown) {
            if (!altCursor) {
                editor.renderer.setMouseCursor("crosshair");
                altCursor = true;
            }
        } else if (altCursor) {
            reset();
        }
    }, editor);

    event.addListener(el, "keyup", reset, editor);
    event.addListener(el, "blur", reset, editor);
    function reset(e) {
        if (altCursor) {
            editor.renderer.setMouseCursor("");
            altCursor = false;
        }
    }
}

exports.MultiSelect = MultiSelect;


require("./config").defineOptions(Editor.prototype, "editor", {
    enableMultiselect: {
        set: function(val) {
            MultiSelect(this);
            if (val) {
                this.on("changeSession", this.$multiselectOnSessionChange);
                this.on("mousedown", onMouseDown);
            } else {
                this.off("changeSession", this.$multiselectOnSessionChange);
                this.off("mousedown", onMouseDown);
            }
        },
        value: true
    },
    enableBlockSelect: {
        set: function(val) {
            this.$blockSelectEnabled = val;
        },
        value: true
    }
});



});

ace.define("ace/mode/folding/fold_mode",["require","exports","module","ace/range"], function(require, exports, module) {
"use strict";

var Range = require("../../range").Range;

var FoldMode = exports.FoldMode = function() {};

(function() {

    this.foldingStartMarker = null;
    this.foldingStopMarker = null;
    this.getFoldWidget = function(session, foldStyle, row) {
        var line = session.getLine(row);
        if (this.foldingStartMarker.test(line))
            return "start";
        if (foldStyle == "markbeginend"
                && this.foldingStopMarker
                && this.foldingStopMarker.test(line))
            return "end";
        return "";
    };

    this.getFoldWidgetRange = function(session, foldStyle, row) {
        return null;
    };

    this.indentationBlock = function(session, row, column) {
        var re = /\S/;
        var line = session.getLine(row);
        var startLevel = line.search(re);
        if (startLevel == -1)
            return;

        var startColumn = column || line.length;
        var maxRow = session.getLength();
        var startRow = row;
        var endRow = row;

        while (++row < maxRow) {
            var level = session.getLine(row).search(re);

            if (level == -1)
                continue;

            if (level <= startLevel) {
                var token = session.getTokenAt(row, 0);
                if (!token || token.type !== "string")
                    break;
            }

            endRow = row;
        }

        if (endRow > startRow) {
            var endColumn = session.getLine(endRow).length;
            return new Range(startRow, startColumn, endRow, endColumn);
        }
    };

    this.openingBracketBlock = function(session, bracket, row, column, typeRe) {
        var start = {row: row, column: column + 1};
        var end = session.$findClosingBracket(bracket, start, typeRe);
        if (!end)
            return;

        var fw = session.foldWidgets[end.row];
        if (fw == null)
            fw = session.getFoldWidget(end.row);

        if (fw == "start" && end.row > start.row) {
            end.row --;
            end.column = session.getLine(end.row).length;
        }
        return Range.fromPoints(start, end);
    };

    this.closingBracketBlock = function(session, bracket, row, column, typeRe) {
        var end = {row: row, column: column};
        var start = session.$findOpeningBracket(bracket, end);

        if (!start)
            return;

        start.column++;
        end.column--;

        return  Range.fromPoints(start, end);
    };
}).call(FoldMode.prototype);

});

ace.define("ace/line_widgets",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
"use strict";

var dom = require("./lib/dom");

function LineWidgets(session) {
    this.session = session;
    this.session.widgetManager = this;
    this.session.getRowLength = this.getRowLength;
    this.session.$getWidgetScreenLength = this.$getWidgetScreenLength;
    this.updateOnChange = this.updateOnChange.bind(this);
    this.renderWidgets = this.renderWidgets.bind(this);
    this.measureWidgets = this.measureWidgets.bind(this);
    this.session._changedWidgets = [];
    this.$onChangeEditor = this.$onChangeEditor.bind(this);
    
    this.session.on("change", this.updateOnChange);
    this.session.on("changeFold", this.updateOnFold);
    this.session.on("changeEditor", this.$onChangeEditor);
}

(function() {
    this.getRowLength = function(row) {
        var h;
        if (this.lineWidgets)
            h = this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;
        else 
            h = 0;
        if (!this.$useWrapMode || !this.$wrapData[row]) {
            return 1 + h;
        } else {
            return this.$wrapData[row].length + 1 + h;
        }
    };

    this.$getWidgetScreenLength = function() {
        var screenRows = 0;
        this.lineWidgets.forEach(function(w){
            if (w && w.rowCount && !w.hidden)
                screenRows += w.rowCount;
        });
        return screenRows;
    };    
    
    this.$onChangeEditor = function(e) {
        this.attach(e.editor);
    };
    
    this.attach = function(editor) {
        if (editor  && editor.widgetManager && editor.widgetManager != this)
            editor.widgetManager.detach();

        if (this.editor == editor)
            return;

        this.detach();
        this.editor = editor;
        
        if (editor) {
            editor.widgetManager = this;
            editor.renderer.on("beforeRender", this.measureWidgets);
            editor.renderer.on("afterRender", this.renderWidgets);
        }
    };
    this.detach = function(e) {
        var editor = this.editor;
        if (!editor)
            return;
        
        this.editor = null;
        editor.widgetManager = null;
        
        editor.renderer.off("beforeRender", this.measureWidgets);
        editor.renderer.off("afterRender", this.renderWidgets);
        var lineWidgets = this.session.lineWidgets;
        lineWidgets && lineWidgets.forEach(function(w) {
            if (w && w.el && w.el.parentNode) {
                w._inDocument = false;
                w.el.parentNode.removeChild(w.el);
            }
        });
    };

    this.updateOnFold = function(e, session) {
        var lineWidgets = session.lineWidgets;
        if (!lineWidgets || !e.action)
            return;
        var fold = e.data;
        var start = fold.start.row;
        var end = fold.end.row;
        var hide = e.action == "add";
        for (var i = start + 1; i < end; i++) {
            if (lineWidgets[i])
                lineWidgets[i].hidden = hide;
        }
        if (lineWidgets[end]) {
            if (hide) {
                if (!lineWidgets[start])
                    lineWidgets[start] = lineWidgets[end];
                else
                    lineWidgets[end].hidden = hide;
            } else {
                if (lineWidgets[start] == lineWidgets[end])
                    lineWidgets[start] = undefined;
                lineWidgets[end].hidden = hide;
            }
        }
    };
    
    this.updateOnChange = function(delta) {
        var lineWidgets = this.session.lineWidgets;
        if (!lineWidgets) return;
        
        var startRow = delta.start.row;
        var len = delta.end.row - startRow;

        if (len === 0) {
        } else if (delta.action == "remove") {
            var removed = lineWidgets.splice(startRow + 1, len);
            if (!lineWidgets[startRow] && removed[removed.length - 1]) {
                lineWidgets[startRow] = removed.pop();
            }
            removed.forEach(function(w) {
                w && this.removeLineWidget(w);
            }, this);
            this.$updateRows();
        } else {
            var args = new Array(len);
            if (lineWidgets[startRow] && lineWidgets[startRow].column != null) {
                if (delta.start.column > lineWidgets[startRow].column)
                    startRow++;
            }
            args.unshift(startRow, 0);
            lineWidgets.splice.apply(lineWidgets, args);
            this.$updateRows();
        }
    };
    
    this.$updateRows = function() {
        var lineWidgets = this.session.lineWidgets;
        if (!lineWidgets) return;
        var noWidgets = true;
        lineWidgets.forEach(function(w, i) {
            if (w) {
                noWidgets = false;
                w.row = i;
                while (w.$oldWidget) {
                    w.$oldWidget.row = i;
                    w = w.$oldWidget;
                }
            }
        });
        if (noWidgets)
            this.session.lineWidgets = null;
    };

    this.$registerLineWidget = function(w) {
        if (!this.session.lineWidgets)
            this.session.lineWidgets = new Array(this.session.getLength());
        
        var old = this.session.lineWidgets[w.row];
        if (old) {
            w.$oldWidget = old;
            if (old.el && old.el.parentNode) {
                old.el.parentNode.removeChild(old.el);
                old._inDocument = false;
            }
        }
            
        this.session.lineWidgets[w.row] = w;
        return w;
    };
    
    this.addLineWidget = function(w) {
        this.$registerLineWidget(w);
        w.session = this.session;
        
        if (!this.editor) return w;
        
        var renderer = this.editor.renderer;
        if (w.html && !w.el) {
            w.el = dom.createElement("div");
            w.el.innerHTML = w.html;
        }
        if (w.el) {
            dom.addCssClass(w.el, "ace_lineWidgetContainer");
            w.el.style.position = "absolute";
            w.el.style.zIndex = 5;
            renderer.container.appendChild(w.el);
            w._inDocument = true;
            
            if (!w.coverGutter) {
                w.el.style.zIndex = 3;
            }
            if (w.pixelHeight == null) {
                w.pixelHeight = w.el.offsetHeight;
            }
        }
        if (w.rowCount == null) {
            w.rowCount = w.pixelHeight / renderer.layerConfig.lineHeight;
        }
        
        var fold = this.session.getFoldAt(w.row, 0);
        w.$fold = fold;
        if (fold) {
            var lineWidgets = this.session.lineWidgets;
            if (w.row == fold.end.row && !lineWidgets[fold.start.row])
                lineWidgets[fold.start.row] = w;
            else
                w.hidden = true;
        }
            
        this.session._emit("changeFold", {data:{start:{row: w.row}}});
        
        this.$updateRows();
        this.renderWidgets(null, renderer);
        this.onWidgetChanged(w);
        return w;
    };
    
    this.removeLineWidget = function(w) {
        w._inDocument = false;
        w.session = null;
        if (w.el && w.el.parentNode)
            w.el.parentNode.removeChild(w.el);
        if (w.editor && w.editor.destroy) try {
            w.editor.destroy();
        } catch(e){}
        if (this.session.lineWidgets) {
            var w1 = this.session.lineWidgets[w.row];
            if (w1 == w) {
                this.session.lineWidgets[w.row] = w.$oldWidget;
                if (w.$oldWidget)
                    this.onWidgetChanged(w.$oldWidget);
            } else {
                while (w1) {
                    if (w1.$oldWidget == w) {
                        w1.$oldWidget = w.$oldWidget;
                        break;
                    }
                    w1 = w1.$oldWidget;
                }
            }
        }
        this.session._emit("changeFold", {data:{start:{row: w.row}}});
        this.$updateRows();
    };
    
    this.getWidgetsAtRow = function(row) {
        var lineWidgets = this.session.lineWidgets;
        var w = lineWidgets && lineWidgets[row];
        var list = [];
        while (w) {
            list.push(w);
            w = w.$oldWidget;
        }
        return list;
    };
    
    this.onWidgetChanged = function(w) {
        this.session._changedWidgets.push(w);
        this.editor && this.editor.renderer.updateFull();
    };
    
    this.measureWidgets = function(e, renderer) {
        var changedWidgets = this.session._changedWidgets;
        var config = renderer.layerConfig;
        
        if (!changedWidgets || !changedWidgets.length) return;
        var min = Infinity;
        for (var i = 0; i < changedWidgets.length; i++) {
            var w = changedWidgets[i];
            if (!w || !w.el) continue;
            if (w.session != this.session) continue;
            if (!w._inDocument) {
                if (this.session.lineWidgets[w.row] != w)
                    continue;
                w._inDocument = true;
                renderer.container.appendChild(w.el);
            }
            
            w.h = w.el.offsetHeight;
            
            if (!w.fixedWidth) {
                w.w = w.el.offsetWidth;
                w.screenWidth = Math.ceil(w.w / config.characterWidth);
            }
            
            var rowCount = w.h / config.lineHeight;
            if (w.coverLine) {
                rowCount -= this.session.getRowLineCount(w.row);
                if (rowCount < 0)
                    rowCount = 0;
            }
            if (w.rowCount != rowCount) {
                w.rowCount = rowCount;
                if (w.row < min)
                    min = w.row;
            }
        }
        if (min != Infinity) {
            this.session._emit("changeFold", {data:{start:{row: min}}});
            this.session.lineWidgetWidth = null;
        }
        this.session._changedWidgets = [];
    };
    
    this.renderWidgets = function(e, renderer) {
        var config = renderer.layerConfig;
        var lineWidgets = this.session.lineWidgets;
        if (!lineWidgets)
            return;
        var first = Math.min(this.firstRow, config.firstRow);
        var last = Math.max(this.lastRow, config.lastRow, lineWidgets.length);
        
        while (first > 0 && !lineWidgets[first])
            first--;
        
        this.firstRow = config.firstRow;
        this.lastRow = config.lastRow;

        renderer.$cursorLayer.config = config;
        for (var i = first; i <= last; i++) {
            var w = lineWidgets[i];
            if (!w || !w.el) continue;
            if (w.hidden) {
                w.el.style.top = -100 - (w.pixelHeight || 0) + "px";
                continue;
            }
            if (!w._inDocument) {
                w._inDocument = true;
                renderer.container.appendChild(w.el);
            }
            var top = renderer.$cursorLayer.getPixelPosition({row: i, column:0}, true).top;
            if (!w.coverLine)
                top += config.lineHeight * this.session.getRowLineCount(w.row);
            w.el.style.top = top - config.offset + "px";
            
            var left = w.coverGutter ? 0 : renderer.gutterWidth;
            if (!w.fixedWidth)
                left -= renderer.scrollLeft;
            w.el.style.left = left + "px";
            
            if (w.fullWidth && w.screenWidth) {
                w.el.style.minWidth = config.width + 2 * config.padding + "px";
            }
            
            if (w.fixedWidth) {
                w.el.style.right = renderer.scrollBar.getWidth() + "px";
            } else {
                w.el.style.right = "";
            }
        }
    };
    
}).call(LineWidgets.prototype);


exports.LineWidgets = LineWidgets;

});

ace.define("ace/ext/error_marker",["require","exports","module","ace/line_widgets","ace/lib/dom","ace/range"], function(require, exports, module) {
"use strict";
var LineWidgets = require("../line_widgets").LineWidgets;
var dom = require("../lib/dom");
var Range = require("../range").Range;

function binarySearch(array, needle, comparator) {
    var first = 0;
    var last = array.length - 1;

    while (first <= last) {
        var mid = (first + last) >> 1;
        var c = comparator(needle, array[mid]);
        if (c > 0)
            first = mid + 1;
        else if (c < 0)
            last = mid - 1;
        else
            return mid;
    }
    return -(first + 1);
}

function findAnnotations(session, row, dir) {
    var annotations = session.getAnnotations().sort(Range.comparePoints);
    if (!annotations.length)
        return;
    
    var i = binarySearch(annotations, {row: row, column: -1}, Range.comparePoints);
    if (i < 0)
        i = -i - 1;
    
    if (i >= annotations.length)
        i = dir > 0 ? 0 : annotations.length - 1;
    else if (i === 0 && dir < 0)
        i = annotations.length - 1;
    
    var annotation = annotations[i];
    if (!annotation || !dir)
        return;

    if (annotation.row === row) {
        do {
            annotation = annotations[i += dir];
        } while (annotation && annotation.row === row);
        if (!annotation)
            return annotations.slice();
    }
    
    
    var matched = [];
    row = annotation.row;
    do {
        matched[dir < 0 ? "unshift" : "push"](annotation);
        annotation = annotations[i += dir];
    } while (annotation && annotation.row == row);
    return matched.length && matched;
}

exports.showErrorMarker = function(editor, dir) {
    var session = editor.session;
    if (!session.widgetManager) {
        session.widgetManager = new LineWidgets(session);
        session.widgetManager.attach(editor);
    }
    
    var pos = editor.getCursorPosition();
    var row = pos.row;
    var oldWidget = session.widgetManager.getWidgetsAtRow(row).filter(function(w) {
        return w.type == "errorMarker";
    })[0];
    if (oldWidget) {
        oldWidget.destroy();
    } else {
        row -= dir;
    }
    var annotations = findAnnotations(session, row, dir);
    var gutterAnno;
    if (annotations) {
        var annotation = annotations[0];
        pos.column = (annotation.pos && typeof annotation.column != "number"
            ? annotation.pos.sc
            : annotation.column) || 0;
        pos.row = annotation.row;
        gutterAnno = editor.renderer.$gutterLayer.$annotations[pos.row];
    } else if (oldWidget) {
        return;
    } else {
        gutterAnno = {
            text: ["Looks good!"],
            className: "ace_ok"
        };
    }
    editor.session.unfold(pos.row);
    editor.selection.moveToPosition(pos);
    
    var w = {
        row: pos.row, 
        fixedWidth: true,
        coverGutter: true,
        el: dom.createElement("div"),
        type: "errorMarker"
    };
    var el = w.el.appendChild(dom.createElement("div"));
    var arrow = w.el.appendChild(dom.createElement("div"));
    arrow.className = "error_widget_arrow " + gutterAnno.className;
    
    var left = editor.renderer.$cursorLayer
        .getPixelPosition(pos).left;
    arrow.style.left = left + editor.renderer.gutterWidth - 5 + "px";
    
    w.el.className = "error_widget_wrapper";
    el.className = "error_widget " + gutterAnno.className;
    el.innerHTML = gutterAnno.text.join("<br>");
    
    el.appendChild(dom.createElement("div"));
    
    var kb = function(_, hashId, keyString) {
        if (hashId === 0 && (keyString === "esc" || keyString === "return")) {
            w.destroy();
            return {command: "null"};
        }
    };
    
    w.destroy = function() {
        if (editor.$mouseHandler.isMousePressed)
            return;
        editor.keyBinding.removeKeyboardHandler(kb);
        session.widgetManager.removeLineWidget(w);
        editor.off("changeSelection", w.destroy);
        editor.off("changeSession", w.destroy);
        editor.off("mouseup", w.destroy);
        editor.off("change", w.destroy);
    };
    
    editor.keyBinding.addKeyboardHandler(kb);
    editor.on("changeSelection", w.destroy);
    editor.on("changeSession", w.destroy);
    editor.on("mouseup", w.destroy);
    editor.on("change", w.destroy);
    
    editor.session.widgetManager.addLineWidget(w);
    
    w.el.onmousedown = editor.focus.bind(editor);
    
    editor.renderer.scrollCursorIntoView(null, 0.5, {bottom: w.el.offsetHeight});
};


dom.importCssString("\
    .error_widget_wrapper {\
        background: inherit;\
        color: inherit;\
        border:none\
    }\
    .error_widget {\
        border-top: solid 2px;\
        border-bottom: solid 2px;\
        margin: 5px 0;\
        padding: 10px 40px;\
        white-space: pre-wrap;\
    }\
    .error_widget.ace_error, .error_widget_arrow.ace_error{\
        border-color: #ff5a5a\
    }\
    .error_widget.ace_warning, .error_widget_arrow.ace_warning{\
        border-color: #F1D817\
    }\
    .error_widget.ace_info, .error_widget_arrow.ace_info{\
        border-color: #5a5a5a\
    }\
    .error_widget.ace_ok, .error_widget_arrow.ace_ok{\
        border-color: #5aaa5a\
    }\
    .error_widget_arrow {\
        position: absolute;\
        border: solid 5px;\
        border-top-color: transparent!important;\
        border-right-color: transparent!important;\
        border-left-color: transparent!important;\
        top: -5px;\
    }\
", "error_marker.css", false);

});

ace.define("ace/ace",["require","exports","module","ace/lib/dom","ace/lib/event","ace/range","ace/editor","ace/edit_session","ace/undomanager","ace/virtual_renderer","ace/worker/worker_client","ace/keyboard/hash_handler","ace/placeholder","ace/multi_select","ace/mode/folding/fold_mode","ace/theme/textmate","ace/ext/error_marker","ace/config","ace/loader_build"], function(require, exports, module) {
"use strict";
require("./loader_build")(exports)

var dom = require("./lib/dom");
var event = require("./lib/event");

var Range = require("./range").Range;
var Editor = require("./editor").Editor;
var EditSession = require("./edit_session").EditSession;
var UndoManager = require("./undomanager").UndoManager;
var Renderer = require("./virtual_renderer").VirtualRenderer;
require("./worker/worker_client");
require("./keyboard/hash_handler");
require("./placeholder");
require("./multi_select");
require("./mode/folding/fold_mode");
require("./theme/textmate");
require("./ext/error_marker");

exports.config = require("./config");
exports.edit = function(el, options) {
    if (typeof el == "string") {
        var _id = el;
        el = document.getElementById(_id);
        if (!el)
            throw new Error("ace.edit can't find div #" + _id);
    }

    if (el && el.env && el.env.editor instanceof Editor)
        return el.env.editor;

    var value = "";
    if (el && /input|textarea/i.test(el.tagName)) {
        var oldNode = el;
        value = oldNode.value;
        el = dom.createElement("pre");
        oldNode.parentNode.replaceChild(el, oldNode);
    } else if (el) {
        value = el.textContent;
        el.innerHTML = "";
    }

    var doc = exports.createEditSession(value);

    var editor = new Editor(new Renderer(el), doc, options);

    var env = {
        document: doc,
        editor: editor,
        onResize: editor.resize.bind(editor, null)
    };
    if (oldNode) env.textarea = oldNode;
    event.addListener(window, "resize", env.onResize);
    editor.on("destroy", function() {
        event.removeListener(window, "resize", env.onResize);
        env.editor.container.env = null; // prevent memory leak on old ie
    });
    editor.container.env = editor.env = env;
    return editor;
};
exports.createEditSession = function(text, mode) {
    var doc = new EditSession(text, mode);
    doc.setUndoManager(new UndoManager());
    return doc;
};
exports.Range = Range;
exports.Editor = Editor;
exports.EditSession = EditSession;
exports.UndoManager = UndoManager;
exports.VirtualRenderer = Renderer;
exports.version = exports.config.version;
});            (function() {
                ace.require(["ace/ace"], function(a) {
                    if (a) {
                        a.config.init(true);
                        a.define = ace.define;
                    }
                    if (!window.ace)
                        window.ace = a;
                    for (var key in a) if (a.hasOwnProperty(key))
                        window.ace[key] = a[key];
                    window.ace["default"] = window.ace;
                    if ( true && module) {
                        module.exports = window.ace;
                    }
                });
            })();
        

/***/ }),

/***/ 46153:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* module decorator */ module = __webpack_require__.nmd(module);
ace.define("ace/ext/searchbox",["require","exports","module","ace/lib/dom","ace/lib/lang","ace/lib/event","ace/keyboard/hash_handler","ace/lib/keys"], function(require, exports, module) {
"use strict";

var dom = require("../lib/dom");
var lang = require("../lib/lang");
var event = require("../lib/event");
var searchboxCss = "\
.ace_search {\
background-color: #ddd;\
color: #666;\
border: 1px solid #cbcbcb;\
border-top: 0 none;\
overflow: hidden;\
margin: 0;\
padding: 4px 6px 0 4px;\
position: absolute;\
top: 0;\
z-index: 99;\
white-space: normal;\
}\
.ace_search.left {\
border-left: 0 none;\
border-radius: 0px 0px 5px 0px;\
left: 0;\
}\
.ace_search.right {\
border-radius: 0px 0px 0px 5px;\
border-right: 0 none;\
right: 0;\
}\
.ace_search_form, .ace_replace_form {\
margin: 0 20px 4px 0;\
overflow: hidden;\
line-height: 1.9;\
}\
.ace_replace_form {\
margin-right: 0;\
}\
.ace_search_form.ace_nomatch {\
outline: 1px solid red;\
}\
.ace_search_field {\
border-radius: 3px 0 0 3px;\
background-color: white;\
color: black;\
border: 1px solid #cbcbcb;\
border-right: 0 none;\
outline: 0;\
padding: 0;\
font-size: inherit;\
margin: 0;\
line-height: inherit;\
padding: 0 6px;\
min-width: 17em;\
vertical-align: top;\
min-height: 1.8em;\
box-sizing: content-box;\
}\
.ace_searchbtn {\
border: 1px solid #cbcbcb;\
line-height: inherit;\
display: inline-block;\
padding: 0 6px;\
background: #fff;\
border-right: 0 none;\
border-left: 1px solid #dcdcdc;\
cursor: pointer;\
margin: 0;\
position: relative;\
color: #666;\
}\
.ace_searchbtn:last-child {\
border-radius: 0 3px 3px 0;\
border-right: 1px solid #cbcbcb;\
}\
.ace_searchbtn:disabled {\
background: none;\
cursor: default;\
}\
.ace_searchbtn:hover {\
background-color: #eef1f6;\
}\
.ace_searchbtn.prev, .ace_searchbtn.next {\
padding: 0px 0.7em\
}\
.ace_searchbtn.prev:after, .ace_searchbtn.next:after {\
content: \"\";\
border: solid 2px #888;\
width: 0.5em;\
height: 0.5em;\
border-width:  2px 0 0 2px;\
display:inline-block;\
transform: rotate(-45deg);\
}\
.ace_searchbtn.next:after {\
border-width: 0 2px 2px 0 ;\
}\
.ace_searchbtn_close {\
background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAcCAYAAABRVo5BAAAAZ0lEQVR42u2SUQrAMAhDvazn8OjZBilCkYVVxiis8H4CT0VrAJb4WHT3C5xU2a2IQZXJjiQIRMdkEoJ5Q2yMqpfDIo+XY4k6h+YXOyKqTIj5REaxloNAd0xiKmAtsTHqW8sR2W5f7gCu5nWFUpVjZwAAAABJRU5ErkJggg==) no-repeat 50% 0;\
border-radius: 50%;\
border: 0 none;\
color: #656565;\
cursor: pointer;\
font: 16px/16px Arial;\
padding: 0;\
height: 14px;\
width: 14px;\
top: 9px;\
right: 7px;\
position: absolute;\
}\
.ace_searchbtn_close:hover {\
background-color: #656565;\
background-position: 50% 100%;\
color: white;\
}\
.ace_button {\
margin-left: 2px;\
cursor: pointer;\
-webkit-user-select: none;\
-moz-user-select: none;\
-o-user-select: none;\
-ms-user-select: none;\
user-select: none;\
overflow: hidden;\
opacity: 0.7;\
border: 1px solid rgba(100,100,100,0.23);\
padding: 1px;\
box-sizing:    border-box!important;\
color: black;\
}\
.ace_button:hover {\
background-color: #eee;\
opacity:1;\
}\
.ace_button:active {\
background-color: #ddd;\
}\
.ace_button.checked {\
border-color: #3399ff;\
opacity:1;\
}\
.ace_search_options{\
margin-bottom: 3px;\
text-align: right;\
-webkit-user-select: none;\
-moz-user-select: none;\
-o-user-select: none;\
-ms-user-select: none;\
user-select: none;\
clear: both;\
}\
.ace_search_counter {\
float: left;\
font-family: arial;\
padding: 0 8px;\
}";
var HashHandler = require("../keyboard/hash_handler").HashHandler;
var keyUtil = require("../lib/keys");

var MAX_COUNT = 999;

dom.importCssString(searchboxCss, "ace_searchbox", false);

var SearchBox = function(editor, range, showReplaceForm) {
    var div = dom.createElement("div");
    dom.buildDom(["div", {class:"ace_search right"},
        ["span", {action: "hide", class: "ace_searchbtn_close"}],
        ["div", {class: "ace_search_form"},
            ["input", {class: "ace_search_field", placeholder: "Search for", spellcheck: "false"}],
            ["span", {action: "findPrev", class: "ace_searchbtn prev"}, "\u200b"],
            ["span", {action: "findNext", class: "ace_searchbtn next"}, "\u200b"],
            ["span", {action: "findAll", class: "ace_searchbtn", title: "Alt-Enter"}, "All"]
        ],
        ["div", {class: "ace_replace_form"},
            ["input", {class: "ace_search_field", placeholder: "Replace with", spellcheck: "false"}],
            ["span", {action: "replaceAndFindNext", class: "ace_searchbtn"}, "Replace"],
            ["span", {action: "replaceAll", class: "ace_searchbtn"}, "All"]
        ],
        ["div", {class: "ace_search_options"},
            ["span", {action: "toggleReplace", class: "ace_button", title: "Toggle Replace mode",
                style: "float:left;margin-top:-2px;padding:0 5px;"}, "+"],
            ["span", {class: "ace_search_counter"}],
            ["span", {action: "toggleRegexpMode", class: "ace_button", title: "RegExp Search"}, ".*"],
            ["span", {action: "toggleCaseSensitive", class: "ace_button", title: "CaseSensitive Search"}, "Aa"],
            ["span", {action: "toggleWholeWords", class: "ace_button", title: "Whole Word Search"}, "\\b"],
            ["span", {action: "searchInSelection", class: "ace_button", title: "Search In Selection"}, "S"]
        ]
    ], div);
    this.element = div.firstChild;
    
    this.setSession = this.setSession.bind(this);

    this.$init();
    this.setEditor(editor);
    dom.importCssString(searchboxCss, "ace_searchbox", editor.container);
};

(function() {
    this.setEditor = function(editor) {
        editor.searchBox = this;
        editor.renderer.scroller.appendChild(this.element);
        this.editor = editor;
    };
    
    this.setSession = function(e) {
        this.searchRange = null;
        this.$syncOptions(true);
    };

    this.$initElements = function(sb) {
        this.searchBox = sb.querySelector(".ace_search_form");
        this.replaceBox = sb.querySelector(".ace_replace_form");
        this.searchOption = sb.querySelector("[action=searchInSelection]");
        this.replaceOption = sb.querySelector("[action=toggleReplace]");
        this.regExpOption = sb.querySelector("[action=toggleRegexpMode]");
        this.caseSensitiveOption = sb.querySelector("[action=toggleCaseSensitive]");
        this.wholeWordOption = sb.querySelector("[action=toggleWholeWords]");
        this.searchInput = this.searchBox.querySelector(".ace_search_field");
        this.replaceInput = this.replaceBox.querySelector(".ace_search_field");
        this.searchCounter = sb.querySelector(".ace_search_counter");
    };
    
    this.$init = function() {
        var sb = this.element;
        
        this.$initElements(sb);
        
        var _this = this;
        event.addListener(sb, "mousedown", function(e) {
            setTimeout(function(){
                _this.activeInput.focus();
            }, 0);
            event.stopPropagation(e);
        });
        event.addListener(sb, "click", function(e) {
            var t = e.target || e.srcElement;
            var action = t.getAttribute("action");
            if (action && _this[action])
                _this[action]();
            else if (_this.$searchBarKb.commands[action])
                _this.$searchBarKb.commands[action].exec(_this);
            event.stopPropagation(e);
        });

        event.addCommandKeyListener(sb, function(e, hashId, keyCode) {
            var keyString = keyUtil.keyCodeToString(keyCode);
            var command = _this.$searchBarKb.findKeyCommand(hashId, keyString);
            if (command && command.exec) {
                command.exec(_this);
                event.stopEvent(e);
            }
        });

        this.$onChange = lang.delayedCall(function() {
            _this.find(false, false);
        });

        event.addListener(this.searchInput, "input", function() {
            _this.$onChange.schedule(20);
        });
        event.addListener(this.searchInput, "focus", function() {
            _this.activeInput = _this.searchInput;
            _this.searchInput.value && _this.highlight();
        });
        event.addListener(this.replaceInput, "focus", function() {
            _this.activeInput = _this.replaceInput;
            _this.searchInput.value && _this.highlight();
        });
    };
    this.$closeSearchBarKb = new HashHandler([{
        bindKey: "Esc",
        name: "closeSearchBar",
        exec: function(editor) {
            editor.searchBox.hide();
        }
    }]);
    this.$searchBarKb = new HashHandler();
    this.$searchBarKb.bindKeys({
        "Ctrl-f|Command-f": function(sb) {
            var isReplace = sb.isReplace = !sb.isReplace;
            sb.replaceBox.style.display = isReplace ? "" : "none";
            sb.replaceOption.checked = false;
            sb.$syncOptions();
            sb.searchInput.focus();
        },
        "Ctrl-H|Command-Option-F": function(sb) {
            if (sb.editor.getReadOnly())
                return;
            sb.replaceOption.checked = true;
            sb.$syncOptions();
            sb.replaceInput.focus();
        },
        "Ctrl-G|Command-G": function(sb) {
            sb.findNext();
        },
        "Ctrl-Shift-G|Command-Shift-G": function(sb) {
            sb.findPrev();
        },
        "esc": function(sb) {
            setTimeout(function() { sb.hide();});
        },
        "Return": function(sb) {
            if (sb.activeInput == sb.replaceInput)
                sb.replace();
            sb.findNext();
        },
        "Shift-Return": function(sb) {
            if (sb.activeInput == sb.replaceInput)
                sb.replace();
            sb.findPrev();
        },
        "Alt-Return": function(sb) {
            if (sb.activeInput == sb.replaceInput)
                sb.replaceAll();
            sb.findAll();
        },
        "Tab": function(sb) {
            (sb.activeInput == sb.replaceInput ? sb.searchInput : sb.replaceInput).focus();
        }
    });

    this.$searchBarKb.addCommands([{
        name: "toggleRegexpMode",
        bindKey: {win: "Alt-R|Alt-/", mac: "Ctrl-Alt-R|Ctrl-Alt-/"},
        exec: function(sb) {
            sb.regExpOption.checked = !sb.regExpOption.checked;
            sb.$syncOptions();
        }
    }, {
        name: "toggleCaseSensitive",
        bindKey: {win: "Alt-C|Alt-I", mac: "Ctrl-Alt-R|Ctrl-Alt-I"},
        exec: function(sb) {
            sb.caseSensitiveOption.checked = !sb.caseSensitiveOption.checked;
            sb.$syncOptions();
        }
    }, {
        name: "toggleWholeWords",
        bindKey: {win: "Alt-B|Alt-W", mac: "Ctrl-Alt-B|Ctrl-Alt-W"},
        exec: function(sb) {
            sb.wholeWordOption.checked = !sb.wholeWordOption.checked;
            sb.$syncOptions();
        }
    }, {
        name: "toggleReplace",
        exec: function(sb) {
            sb.replaceOption.checked = !sb.replaceOption.checked;
            sb.$syncOptions();
        }
    }, {
        name: "searchInSelection",
        exec: function(sb) {
            sb.searchOption.checked = !sb.searchRange;
            sb.setSearchRange(sb.searchOption.checked && sb.editor.getSelectionRange());
            sb.$syncOptions();
        }
    }]);
    
    this.setSearchRange = function(range) {
        this.searchRange = range;
        if (range) {
            this.searchRangeMarker = this.editor.session.addMarker(range, "ace_active-line");
        } else if (this.searchRangeMarker) {
            this.editor.session.removeMarker(this.searchRangeMarker);
            this.searchRangeMarker = null;
        }
    };

    this.$syncOptions = function(preventScroll) {
        dom.setCssClass(this.replaceOption, "checked", this.searchRange);
        dom.setCssClass(this.searchOption, "checked", this.searchOption.checked);
        this.replaceOption.textContent = this.replaceOption.checked ? "-" : "+";
        dom.setCssClass(this.regExpOption, "checked", this.regExpOption.checked);
        dom.setCssClass(this.wholeWordOption, "checked", this.wholeWordOption.checked);
        dom.setCssClass(this.caseSensitiveOption, "checked", this.caseSensitiveOption.checked);
        var readOnly = this.editor.getReadOnly();
        this.replaceOption.style.display = readOnly ? "none" : "";
        this.replaceBox.style.display = this.replaceOption.checked && !readOnly ? "" : "none";
        this.find(false, false, preventScroll);
    };

    this.highlight = function(re) {
        this.editor.session.highlight(re || this.editor.$search.$options.re);
        this.editor.renderer.updateBackMarkers();
    };
    this.find = function(skipCurrent, backwards, preventScroll) {
        var range = this.editor.find(this.searchInput.value, {
            skipCurrent: skipCurrent,
            backwards: backwards,
            wrap: true,
            regExp: this.regExpOption.checked,
            caseSensitive: this.caseSensitiveOption.checked,
            wholeWord: this.wholeWordOption.checked,
            preventScroll: preventScroll,
            range: this.searchRange
        });
        var noMatch = !range && this.searchInput.value;
        dom.setCssClass(this.searchBox, "ace_nomatch", noMatch);
        this.editor._emit("findSearchBox", { match: !noMatch });
        this.highlight();
        this.updateCounter();
    };
    this.updateCounter = function() {
        var editor = this.editor;
        var regex = editor.$search.$options.re;
        var all = 0;
        var before = 0;
        if (regex) {
            var value = this.searchRange
                ? editor.session.getTextRange(this.searchRange)
                : editor.getValue();
            
            var offset = editor.session.doc.positionToIndex(editor.selection.anchor);
            if (this.searchRange)
                offset -= editor.session.doc.positionToIndex(this.searchRange.start);
                
            var last = regex.lastIndex = 0;
            var m;
            while ((m = regex.exec(value))) {
                all++;
                last = m.index;
                if (last <= offset)
                    before++;
                if (all > MAX_COUNT)
                    break;
                if (!m[0]) {
                    regex.lastIndex = last += 1;
                    if (last >= value.length)
                        break;
                }
            }
        }
        this.searchCounter.textContent = before + " of " + (all > MAX_COUNT ? MAX_COUNT + "+" : all);
    };
    this.findNext = function() {
        this.find(true, false);
    };
    this.findPrev = function() {
        this.find(true, true);
    };
    this.findAll = function(){
        var range = this.editor.findAll(this.searchInput.value, {            
            regExp: this.regExpOption.checked,
            caseSensitive: this.caseSensitiveOption.checked,
            wholeWord: this.wholeWordOption.checked
        });
        var noMatch = !range && this.searchInput.value;
        dom.setCssClass(this.searchBox, "ace_nomatch", noMatch);
        this.editor._emit("findSearchBox", { match: !noMatch });
        this.highlight();
        this.hide();
    };
    this.replace = function() {
        if (!this.editor.getReadOnly())
            this.editor.replace(this.replaceInput.value);
    };    
    this.replaceAndFindNext = function() {
        if (!this.editor.getReadOnly()) {
            this.editor.replace(this.replaceInput.value);
            this.findNext();
        }
    };
    this.replaceAll = function() {
        if (!this.editor.getReadOnly())
            this.editor.replaceAll(this.replaceInput.value);
    };

    this.hide = function() {
        this.active = false;
        this.setSearchRange(null);
        this.editor.off("changeSession", this.setSession);
        
        this.element.style.display = "none";
        this.editor.keyBinding.removeKeyboardHandler(this.$closeSearchBarKb);
        this.editor.focus();
    };
    this.show = function(value, isReplace) {
        this.active = true;
        this.editor.on("changeSession", this.setSession);
        this.element.style.display = "";
        this.replaceOption.checked = isReplace;
        
        if (value)
            this.searchInput.value = value;
        
        this.searchInput.focus();
        this.searchInput.select();

        this.editor.keyBinding.addKeyboardHandler(this.$closeSearchBarKb);
        
        this.$syncOptions(true);
    };

    this.isFocused = function() {
        var el = document.activeElement;
        return el == this.searchInput || el == this.replaceInput;
    };
}).call(SearchBox.prototype);

exports.SearchBox = SearchBox;

exports.Search = function(editor, isReplace) {
    var sb = editor.searchBox || new SearchBox(editor);
    sb.show(editor.session.getTextRange(), isReplace);
};

});                (function() {
                    ace.require(["ace/ext/searchbox"], function(m) {
                        if ( true && module) {
                            module.exports = m;
                        }
                    });
                })();
            

/***/ }),

/***/ 99620:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* module decorator */ module = __webpack_require__.nmd(module);
ace.define("ace/split",["require","exports","module","ace/lib/oop","ace/lib/lang","ace/lib/event_emitter","ace/editor","ace/virtual_renderer","ace/edit_session"], function(require, exports, module) {
"use strict";

var oop = require("./lib/oop");
var lang = require("./lib/lang");
var EventEmitter = require("./lib/event_emitter").EventEmitter;

var Editor = require("./editor").Editor;
var Renderer = require("./virtual_renderer").VirtualRenderer;
var EditSession = require("./edit_session").EditSession;


var Split = function(container, theme, splits) {
    this.BELOW = 1;
    this.BESIDE = 0;

    this.$container = container;
    this.$theme = theme;
    this.$splits = 0;
    this.$editorCSS = "";
    this.$editors = [];
    this.$orientation = this.BESIDE;

    this.setSplits(splits || 1);
    this.$cEditor = this.$editors[0];


    this.on("focus", function(editor) {
        this.$cEditor = editor;
    }.bind(this));
};

(function(){

    oop.implement(this, EventEmitter);

    this.$createEditor = function() {
        var el = document.createElement("div");
        el.className = this.$editorCSS;
        el.style.cssText = "position: absolute; top:0px; bottom:0px";
        this.$container.appendChild(el);
        var editor = new Editor(new Renderer(el, this.$theme));

        editor.on("focus", function() {
            this._emit("focus", editor);
        }.bind(this));

        this.$editors.push(editor);
        editor.setFontSize(this.$fontSize);
        return editor;
    };

    this.setSplits = function(splits) {
        var editor;
        if (splits < 1) {
            throw "The number of splits have to be > 0!";
        }

        if (splits == this.$splits) {
            return;
        } else if (splits > this.$splits) {
            while (this.$splits < this.$editors.length && this.$splits < splits) {
                editor = this.$editors[this.$splits];
                this.$container.appendChild(editor.container);
                editor.setFontSize(this.$fontSize);
                this.$splits ++;
            }
            while (this.$splits < splits) {
                this.$createEditor();
                this.$splits ++;
            }
        } else {
            while (this.$splits > splits) {
                editor = this.$editors[this.$splits - 1];
                this.$container.removeChild(editor.container);
                this.$splits --;
            }
        }
        this.resize();
    };
    this.getSplits = function() {
        return this.$splits;
    };
    this.getEditor = function(idx) {
        return this.$editors[idx];
    };
    this.getCurrentEditor = function() {
        return this.$cEditor;
    };
    this.focus = function() {
        this.$cEditor.focus();
    };
    this.blur = function() {
        this.$cEditor.blur();
    };
    this.setTheme = function(theme) {
        this.$editors.forEach(function(editor) {
            editor.setTheme(theme);
        });
    };
    this.setKeyboardHandler = function(keybinding) {
        this.$editors.forEach(function(editor) {
            editor.setKeyboardHandler(keybinding);
        });
    };
    this.forEach = function(callback, scope) {
        this.$editors.forEach(callback, scope);
    };


    this.$fontSize = "";
    this.setFontSize = function(size) {
        this.$fontSize = size;
        this.forEach(function(editor) {
           editor.setFontSize(size);
        });
    };

    this.$cloneSession = function(session) {
        var s = new EditSession(session.getDocument(), session.getMode());

        var undoManager = session.getUndoManager();
        s.setUndoManager(undoManager);
        s.setTabSize(session.getTabSize());
        s.setUseSoftTabs(session.getUseSoftTabs());
        s.setOverwrite(session.getOverwrite());
        s.setBreakpoints(session.getBreakpoints());
        s.setUseWrapMode(session.getUseWrapMode());
        s.setUseWorker(session.getUseWorker());
        s.setWrapLimitRange(session.$wrapLimitRange.min,
                            session.$wrapLimitRange.max);
        s.$foldData = session.$cloneFoldData();

        return s;
    };
    this.setSession = function(session, idx) {
        var editor;
        if (idx == null) {
            editor = this.$cEditor;
        } else {
            editor = this.$editors[idx];
        }
        var isUsed = this.$editors.some(function(editor) {
           return editor.session === session;
        });

        if (isUsed) {
            session = this.$cloneSession(session);
        }
        editor.setSession(session);
        return session;
    };
    this.getOrientation = function() {
        return this.$orientation;
    };
    this.setOrientation = function(orientation) {
        if (this.$orientation == orientation) {
            return;
        }
        this.$orientation = orientation;
        this.resize();
    };
    this.resize = function() {
        var width = this.$container.clientWidth;
        var height = this.$container.clientHeight;
        var editor;

        if (this.$orientation == this.BESIDE) {
            var editorWidth = width / this.$splits;
            for (var i = 0; i < this.$splits; i++) {
                editor = this.$editors[i];
                editor.container.style.width = editorWidth + "px";
                editor.container.style.top = "0px";
                editor.container.style.left = i * editorWidth + "px";
                editor.container.style.height = height + "px";
                editor.resize();
            }
        } else {
            var editorHeight = height / this.$splits;
            for (var i = 0; i < this.$splits; i++) {
                editor = this.$editors[i];
                editor.container.style.width = width + "px";
                editor.container.style.top = i * editorHeight + "px";
                editor.container.style.left = "0px";
                editor.container.style.height = editorHeight + "px";
                editor.resize();
            }
        }
    };

}).call(Split.prototype);

exports.Split = Split;
});

ace.define("ace/ext/split",["require","exports","module","ace/split"], function(require, exports, module) {
"use strict";
module.exports = require("../split");

});                (function() {
                    ace.require(["ace/ext/split"], function(m) {
                        if ( true && module) {
                            module.exports = m;
                        }
                    });
                })();
            

/***/ }),

/***/ 16975:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* module decorator */ module = __webpack_require__.nmd(module);

;                (function() {
                    ace.require(["ace/mode/text"], function(m) {
                        if ( true && module) {
                            module.exports = m;
                        }
                    });
                })();
            

/***/ }),

/***/ 71026:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/* module decorator */ module = __webpack_require__.nmd(module);
ace.define("ace/theme/textmate",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
"use strict";

exports.isDark = false;
exports.cssClass = "ace-tm";
exports.cssText = ".ace-tm .ace_gutter {\
background: #f0f0f0;\
color: #333;\
}\
.ace-tm .ace_print-margin {\
width: 1px;\
background: #e8e8e8;\
}\
.ace-tm .ace_fold {\
background-color: #6B72E6;\
}\
.ace-tm {\
background-color: #FFFFFF;\
color: black;\
}\
.ace-tm .ace_cursor {\
color: black;\
}\
.ace-tm .ace_invisible {\
color: rgb(191, 191, 191);\
}\
.ace-tm .ace_storage,\
.ace-tm .ace_keyword {\
color: blue;\
}\
.ace-tm .ace_constant {\
color: rgb(197, 6, 11);\
}\
.ace-tm .ace_constant.ace_buildin {\
color: rgb(88, 72, 246);\
}\
.ace-tm .ace_constant.ace_language {\
color: rgb(88, 92, 246);\
}\
.ace-tm .ace_constant.ace_library {\
color: rgb(6, 150, 14);\
}\
.ace-tm .ace_invalid {\
background-color: rgba(255, 0, 0, 0.1);\
color: red;\
}\
.ace-tm .ace_support.ace_function {\
color: rgb(60, 76, 114);\
}\
.ace-tm .ace_support.ace_constant {\
color: rgb(6, 150, 14);\
}\
.ace-tm .ace_support.ace_type,\
.ace-tm .ace_support.ace_class {\
color: rgb(109, 121, 222);\
}\
.ace-tm .ace_keyword.ace_operator {\
color: rgb(104, 118, 135);\
}\
.ace-tm .ace_string {\
color: rgb(3, 106, 7);\
}\
.ace-tm .ace_comment {\
color: rgb(76, 136, 107);\
}\
.ace-tm .ace_comment.ace_doc {\
color: rgb(0, 102, 255);\
}\
.ace-tm .ace_comment.ace_doc.ace_tag {\
color: rgb(128, 159, 191);\
}\
.ace-tm .ace_constant.ace_numeric {\
color: rgb(0, 0, 205);\
}\
.ace-tm .ace_variable {\
color: rgb(49, 132, 149);\
}\
.ace-tm .ace_xml-pe {\
color: rgb(104, 104, 91);\
}\
.ace-tm .ace_entity.ace_name.ace_function {\
color: #0000A2;\
}\
.ace-tm .ace_heading {\
color: rgb(12, 7, 255);\
}\
.ace-tm .ace_list {\
color:rgb(185, 6, 144);\
}\
.ace-tm .ace_meta.ace_tag {\
color:rgb(0, 22, 142);\
}\
.ace-tm .ace_string.ace_regex {\
color: rgb(255, 0, 0)\
}\
.ace-tm .ace_marker-layer .ace_selection {\
background: rgb(181, 213, 255);\
}\
.ace-tm.ace_multiselect .ace_selection.ace_start {\
box-shadow: 0 0 3px 0px white;\
}\
.ace-tm .ace_marker-layer .ace_step {\
background: rgb(252, 255, 0);\
}\
.ace-tm .ace_marker-layer .ace_stack {\
background: rgb(164, 229, 101);\
}\
.ace-tm .ace_marker-layer .ace_bracket {\
margin: -1px 0 0 -1px;\
border: 1px solid rgb(192, 192, 192);\
}\
.ace-tm .ace_marker-layer .ace_active-line {\
background: rgba(0, 0, 0, 0.07);\
}\
.ace-tm .ace_gutter-active-line {\
background-color : #dcdcdc;\
}\
.ace-tm .ace_marker-layer .ace_selected-word {\
background: rgb(250, 250, 255);\
border: 1px solid rgb(200, 200, 250);\
}\
.ace-tm .ace_indent-guide {\
background: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAACCAYAAACZgbYnAAAAE0lEQVQImWP4////f4bLly//BwAmVgd1/w11/gAAAABJRU5ErkJggg==\") right repeat-y;\
}\
";
exports.$id = "ace/theme/textmate";

var dom = require("../lib/dom");
dom.importCssString(exports.cssText, exports.cssClass, false);
});                (function() {
                    ace.require(["ace/theme/textmate"], function(m) {
                        if ( true && module) {
                            module.exports = m;
                        }
                    });
                })();
            

/***/ }),

/***/ 8356:
/***/ ((module, exports) => {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!
  Copyright (c) 2018 Jed Watson.
  Licensed under the MIT License (MIT), see
  http://jedwatson.github.io/classnames
*/
/* global define */

(function () {
	'use strict';

	var hasOwn = {}.hasOwnProperty;

	function classNames() {
		var classes = [];

		for (var i = 0; i < arguments.length; i++) {
			var arg = arguments[i];
			if (!arg) continue;

			var argType = typeof arg;

			if (argType === 'string' || argType === 'number') {
				classes.push(arg);
			} else if (Array.isArray(arg)) {
				if (arg.length) {
					var inner = classNames.apply(null, arg);
					if (inner) {
						classes.push(inner);
					}
				}
			} else if (argType === 'object') {
				if (arg.toString === Object.prototype.toString) {
					for (var key in arg) {
						if (hasOwn.call(arg, key) && arg[key]) {
							classes.push(key);
						}
					}
				} else {
					classes.push(arg.toString());
				}
			}
		}

		return classes.join(' ');
	}

	if ( true && module.exports) {
		classNames.default = classNames;
		module.exports = classNames;
	} else if (true) {
		// register as 'classnames', consistent with npm package name
		!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = (function () {
			return classNames;
		}).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
		__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
	} else {}
}());


/***/ }),

/***/ 59633:
/***/ ((module) => {

"use strict";


/*
  MIT License http://www.opensource.org/licenses/mit-license.php
  Author Tobias Koppers @sokra
*/
module.exports = function (cssWithMappingToString) {
  var list = []; // return the list of modules as css string

  list.toString = function toString() {
    return this.map(function (item) {
      var content = "";
      var needLayer = typeof item[5] !== "undefined";

      if (item[4]) {
        content += "@supports (".concat(item[4], ") {");
      }

      if (item[2]) {
        content += "@media ".concat(item[2], " {");
      }

      if (needLayer) {
        content += "@layer".concat(item[5].length > 0 ? " ".concat(item[5]) : "", " {");
      }

      content += cssWithMappingToString(item);

      if (needLayer) {
        content += "}";
      }

      if (item[2]) {
        content += "}";
      }

      if (item[4]) {
        content += "}";
      }

      return content;
    }).join("");
  }; // import a list of modules into the list


  list.i = function i(modules, media, dedupe, supports, layer) {
    if (typeof modules === "string") {
      modules = [[null, modules, undefined]];
    }

    var alreadyImportedModules = {};

    if (dedupe) {
      for (var k = 0; k < this.length; k++) {
        var id = this[k][0];

        if (id != null) {
          alreadyImportedModules[id] = true;
        }
      }
    }

    for (var _k = 0; _k < modules.length; _k++) {
      var item = [].concat(modules[_k]);

      if (dedupe && alreadyImportedModules[item[0]]) {
        continue;
      }

      if (typeof layer !== "undefined") {
        if (typeof item[5] === "undefined") {
          item[5] = layer;
        } else {
          item[1] = "@layer".concat(item[5].length > 0 ? " ".concat(item[5]) : "", " {").concat(item[1], "}");
          item[5] = layer;
        }
      }

      if (media) {
        if (!item[2]) {
          item[2] = media;
        } else {
          item[1] = "@media ".concat(item[2], " {").concat(item[1], "}");
          item[2] = media;
        }
      }

      if (supports) {
        if (!item[4]) {
          item[4] = "".concat(supports);
        } else {
          item[1] = "@supports (".concat(item[4], ") {").concat(item[1], "}");
          item[4] = supports;
        }
      }

      list.push(item);
    }
  };

  return list;
};

/***/ }),

/***/ 91389:
/***/ ((module) => {

"use strict";


module.exports = function (i) {
  return i[1];
};

/***/ }),

/***/ 3417:
/***/ ((module) => {

/**
 * Diff Match and Patch
 * Copyright 2018 The diff-match-patch Authors.
 * https://github.com/google/diff-match-patch
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * @fileoverview Computes the difference between two texts to create a patch.
 * Applies the patch onto another text, allowing for errors.
 * @author fraser@google.com (Neil Fraser)
 */

/**
 * Class containing the diff, match and patch methods.
 * @constructor
 */
var diff_match_patch = function() {

  // Defaults.
  // Redefine these in your program to override the defaults.

  // Number of seconds to map a diff before giving up (0 for infinity).
  this.Diff_Timeout = 1.0;
  // Cost of an empty edit operation in terms of edit characters.
  this.Diff_EditCost = 4;
  // At what point is no match declared (0.0 = perfection, 1.0 = very loose).
  this.Match_Threshold = 0.5;
  // How far to search for a match (0 = exact location, 1000+ = broad match).
  // A match this many characters away from the expected location will add
  // 1.0 to the score (0.0 is a perfect match).
  this.Match_Distance = 1000;
  // When deleting a large block of text (over ~64 characters), how close do
  // the contents have to be to match the expected contents. (0.0 = perfection,
  // 1.0 = very loose).  Note that Match_Threshold controls how closely the
  // end points of a delete need to match.
  this.Patch_DeleteThreshold = 0.5;
  // Chunk size for context length.
  this.Patch_Margin = 4;

  // The number of bits in an int.
  this.Match_MaxBits = 32;
};


//  DIFF FUNCTIONS


/**
 * The data structure representing a diff is an array of tuples:
 * [[DIFF_DELETE, 'Hello'], [DIFF_INSERT, 'Goodbye'], [DIFF_EQUAL, ' world.']]
 * which means: delete 'Hello', add 'Goodbye' and keep ' world.'
 */
var DIFF_DELETE = -1;
var DIFF_INSERT = 1;
var DIFF_EQUAL = 0;

/**
 * Class representing one diff tuple.
 * ~Attempts to look like a two-element array (which is what this used to be).~
 * Constructor returns an actual two-element array, to allow destructing @JackuB
 * See https://github.com/JackuB/diff-match-patch/issues/14 for details
 * @param {number} op Operation, one of: DIFF_DELETE, DIFF_INSERT, DIFF_EQUAL.
 * @param {string} text Text to be deleted, inserted, or retained.
 * @constructor
 */
diff_match_patch.Diff = function(op, text) {
  return [op, text];
};

/**
 * Find the differences between two texts.  Simplifies the problem by stripping
 * any common prefix or suffix off the texts before diffing.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @param {boolean=} opt_checklines Optional speedup flag. If present and false,
 *     then don't run a line-level diff first to identify the changed areas.
 *     Defaults to true, which does a faster, slightly less optimal diff.
 * @param {number=} opt_deadline Optional time when the diff should be complete
 *     by.  Used internally for recursive calls.  Users should set DiffTimeout
 *     instead.
 * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.
 */
diff_match_patch.prototype.diff_main = function(text1, text2, opt_checklines,
    opt_deadline) {
  // Set a deadline by which time the diff must be complete.
  if (typeof opt_deadline == 'undefined') {
    if (this.Diff_Timeout <= 0) {
      opt_deadline = Number.MAX_VALUE;
    } else {
      opt_deadline = (new Date).getTime() + this.Diff_Timeout * 1000;
    }
  }
  var deadline = opt_deadline;

  // Check for null inputs.
  if (text1 == null || text2 == null) {
    throw new Error('Null input. (diff_main)');
  }

  // Check for equality (speedup).
  if (text1 == text2) {
    if (text1) {
      return [new diff_match_patch.Diff(DIFF_EQUAL, text1)];
    }
    return [];
  }

  if (typeof opt_checklines == 'undefined') {
    opt_checklines = true;
  }
  var checklines = opt_checklines;

  // Trim off common prefix (speedup).
  var commonlength = this.diff_commonPrefix(text1, text2);
  var commonprefix = text1.substring(0, commonlength);
  text1 = text1.substring(commonlength);
  text2 = text2.substring(commonlength);

  // Trim off common suffix (speedup).
  commonlength = this.diff_commonSuffix(text1, text2);
  var commonsuffix = text1.substring(text1.length - commonlength);
  text1 = text1.substring(0, text1.length - commonlength);
  text2 = text2.substring(0, text2.length - commonlength);

  // Compute the diff on the middle block.
  var diffs = this.diff_compute_(text1, text2, checklines, deadline);

  // Restore the prefix and suffix.
  if (commonprefix) {
    diffs.unshift(new diff_match_patch.Diff(DIFF_EQUAL, commonprefix));
  }
  if (commonsuffix) {
    diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, commonsuffix));
  }
  this.diff_cleanupMerge(diffs);
  return diffs;
};


/**
 * Find the differences between two texts.  Assumes that the texts do not
 * have any common prefix or suffix.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @param {boolean} checklines Speedup flag.  If false, then don't run a
 *     line-level diff first to identify the changed areas.
 *     If true, then run a faster, slightly less optimal diff.
 * @param {number} deadline Time when the diff should be complete by.
 * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.
 * @private
 */
diff_match_patch.prototype.diff_compute_ = function(text1, text2, checklines,
    deadline) {
  var diffs;

  if (!text1) {
    // Just add some text (speedup).
    return [new diff_match_patch.Diff(DIFF_INSERT, text2)];
  }

  if (!text2) {
    // Just delete some text (speedup).
    return [new diff_match_patch.Diff(DIFF_DELETE, text1)];
  }

  var longtext = text1.length > text2.length ? text1 : text2;
  var shorttext = text1.length > text2.length ? text2 : text1;
  var i = longtext.indexOf(shorttext);
  if (i != -1) {
    // Shorter text is inside the longer text (speedup).
    diffs = [new diff_match_patch.Diff(DIFF_INSERT, longtext.substring(0, i)),
             new diff_match_patch.Diff(DIFF_EQUAL, shorttext),
             new diff_match_patch.Diff(DIFF_INSERT,
                 longtext.substring(i + shorttext.length))];
    // Swap insertions for deletions if diff is reversed.
    if (text1.length > text2.length) {
      diffs[0][0] = diffs[2][0] = DIFF_DELETE;
    }
    return diffs;
  }

  if (shorttext.length == 1) {
    // Single character string.
    // After the previous speedup, the character can't be an equality.
    return [new diff_match_patch.Diff(DIFF_DELETE, text1),
            new diff_match_patch.Diff(DIFF_INSERT, text2)];
  }

  // Check to see if the problem can be split in two.
  var hm = this.diff_halfMatch_(text1, text2);
  if (hm) {
    // A half-match was found, sort out the return data.
    var text1_a = hm[0];
    var text1_b = hm[1];
    var text2_a = hm[2];
    var text2_b = hm[3];
    var mid_common = hm[4];
    // Send both pairs off for separate processing.
    var diffs_a = this.diff_main(text1_a, text2_a, checklines, deadline);
    var diffs_b = this.diff_main(text1_b, text2_b, checklines, deadline);
    // Merge the results.
    return diffs_a.concat([new diff_match_patch.Diff(DIFF_EQUAL, mid_common)],
                          diffs_b);
  }

  if (checklines && text1.length > 100 && text2.length > 100) {
    return this.diff_lineMode_(text1, text2, deadline);
  }

  return this.diff_bisect_(text1, text2, deadline);
};


/**
 * Do a quick line-level diff on both strings, then rediff the parts for
 * greater accuracy.
 * This speedup can produce non-minimal diffs.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @param {number} deadline Time when the diff should be complete by.
 * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.
 * @private
 */
diff_match_patch.prototype.diff_lineMode_ = function(text1, text2, deadline) {
  // Scan the text on a line-by-line basis first.
  var a = this.diff_linesToChars_(text1, text2);
  text1 = a.chars1;
  text2 = a.chars2;
  var linearray = a.lineArray;

  var diffs = this.diff_main(text1, text2, false, deadline);

  // Convert the diff back to original text.
  this.diff_charsToLines_(diffs, linearray);
  // Eliminate freak matches (e.g. blank lines)
  this.diff_cleanupSemantic(diffs);

  // Rediff any replacement blocks, this time character-by-character.
  // Add a dummy entry at the end.
  diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, ''));
  var pointer = 0;
  var count_delete = 0;
  var count_insert = 0;
  var text_delete = '';
  var text_insert = '';
  while (pointer < diffs.length) {
    switch (diffs[pointer][0]) {
      case DIFF_INSERT:
        count_insert++;
        text_insert += diffs[pointer][1];
        break;
      case DIFF_DELETE:
        count_delete++;
        text_delete += diffs[pointer][1];
        break;
      case DIFF_EQUAL:
        // Upon reaching an equality, check for prior redundancies.
        if (count_delete >= 1 && count_insert >= 1) {
          // Delete the offending records and add the merged ones.
          diffs.splice(pointer - count_delete - count_insert,
                       count_delete + count_insert);
          pointer = pointer - count_delete - count_insert;
          var subDiff =
              this.diff_main(text_delete, text_insert, false, deadline);
          for (var j = subDiff.length - 1; j >= 0; j--) {
            diffs.splice(pointer, 0, subDiff[j]);
          }
          pointer = pointer + subDiff.length;
        }
        count_insert = 0;
        count_delete = 0;
        text_delete = '';
        text_insert = '';
        break;
    }
    pointer++;
  }
  diffs.pop();  // Remove the dummy entry at the end.

  return diffs;
};


/**
 * Find the 'middle snake' of a diff, split the problem in two
 * and return the recursively constructed diff.
 * See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @param {number} deadline Time at which to bail if not yet complete.
 * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.
 * @private
 */
diff_match_patch.prototype.diff_bisect_ = function(text1, text2, deadline) {
  // Cache the text lengths to prevent multiple calls.
  var text1_length = text1.length;
  var text2_length = text2.length;
  var max_d = Math.ceil((text1_length + text2_length) / 2);
  var v_offset = max_d;
  var v_length = 2 * max_d;
  var v1 = new Array(v_length);
  var v2 = new Array(v_length);
  // Setting all elements to -1 is faster in Chrome & Firefox than mixing
  // integers and undefined.
  for (var x = 0; x < v_length; x++) {
    v1[x] = -1;
    v2[x] = -1;
  }
  v1[v_offset + 1] = 0;
  v2[v_offset + 1] = 0;
  var delta = text1_length - text2_length;
  // If the total number of characters is odd, then the front path will collide
  // with the reverse path.
  var front = (delta % 2 != 0);
  // Offsets for start and end of k loop.
  // Prevents mapping of space beyond the grid.
  var k1start = 0;
  var k1end = 0;
  var k2start = 0;
  var k2end = 0;
  for (var d = 0; d < max_d; d++) {
    // Bail out if deadline is reached.
    if ((new Date()).getTime() > deadline) {
      break;
    }

    // Walk the front path one step.
    for (var k1 = -d + k1start; k1 <= d - k1end; k1 += 2) {
      var k1_offset = v_offset + k1;
      var x1;
      if (k1 == -d || (k1 != d && v1[k1_offset - 1] < v1[k1_offset + 1])) {
        x1 = v1[k1_offset + 1];
      } else {
        x1 = v1[k1_offset - 1] + 1;
      }
      var y1 = x1 - k1;
      while (x1 < text1_length && y1 < text2_length &&
             text1.charAt(x1) == text2.charAt(y1)) {
        x1++;
        y1++;
      }
      v1[k1_offset] = x1;
      if (x1 > text1_length) {
        // Ran off the right of the graph.
        k1end += 2;
      } else if (y1 > text2_length) {
        // Ran off the bottom of the graph.
        k1start += 2;
      } else if (front) {
        var k2_offset = v_offset + delta - k1;
        if (k2_offset >= 0 && k2_offset < v_length && v2[k2_offset] != -1) {
          // Mirror x2 onto top-left coordinate system.
          var x2 = text1_length - v2[k2_offset];
          if (x1 >= x2) {
            // Overlap detected.
            return this.diff_bisectSplit_(text1, text2, x1, y1, deadline);
          }
        }
      }
    }

    // Walk the reverse path one step.
    for (var k2 = -d + k2start; k2 <= d - k2end; k2 += 2) {
      var k2_offset = v_offset + k2;
      var x2;
      if (k2 == -d || (k2 != d && v2[k2_offset - 1] < v2[k2_offset + 1])) {
        x2 = v2[k2_offset + 1];
      } else {
        x2 = v2[k2_offset - 1] + 1;
      }
      var y2 = x2 - k2;
      while (x2 < text1_length && y2 < text2_length &&
             text1.charAt(text1_length - x2 - 1) ==
             text2.charAt(text2_length - y2 - 1)) {
        x2++;
        y2++;
      }
      v2[k2_offset] = x2;
      if (x2 > text1_length) {
        // Ran off the left of the graph.
        k2end += 2;
      } else if (y2 > text2_length) {
        // Ran off the top of the graph.
        k2start += 2;
      } else if (!front) {
        var k1_offset = v_offset + delta - k2;
        if (k1_offset >= 0 && k1_offset < v_length && v1[k1_offset] != -1) {
          var x1 = v1[k1_offset];
          var y1 = v_offset + x1 - k1_offset;
          // Mirror x2 onto top-left coordinate system.
          x2 = text1_length - x2;
          if (x1 >= x2) {
            // Overlap detected.
            return this.diff_bisectSplit_(text1, text2, x1, y1, deadline);
          }
        }
      }
    }
  }
  // Diff took too long and hit the deadline or
  // number of diffs equals number of characters, no commonality at all.
  return [new diff_match_patch.Diff(DIFF_DELETE, text1),
          new diff_match_patch.Diff(DIFF_INSERT, text2)];
};


/**
 * Given the location of the 'middle snake', split the diff in two parts
 * and recurse.
 * @param {string} text1 Old string to be diffed.
 * @param {string} text2 New string to be diffed.
 * @param {number} x Index of split point in text1.
 * @param {number} y Index of split point in text2.
 * @param {number} deadline Time at which to bail if not yet complete.
 * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.
 * @private
 */
diff_match_patch.prototype.diff_bisectSplit_ = function(text1, text2, x, y,
    deadline) {
  var text1a = text1.substring(0, x);
  var text2a = text2.substring(0, y);
  var text1b = text1.substring(x);
  var text2b = text2.substring(y);

  // Compute both diffs serially.
  var diffs = this.diff_main(text1a, text2a, false, deadline);
  var diffsb = this.diff_main(text1b, text2b, false, deadline);

  return diffs.concat(diffsb);
};


/**
 * Split two texts into an array of strings.  Reduce the texts to a string of
 * hashes where each Unicode character represents one line.
 * @param {string} text1 First string.
 * @param {string} text2 Second string.
 * @return {{chars1: string, chars2: string, lineArray: !Array.<string>}}
 *     An object containing the encoded text1, the encoded text2 and
 *     the array of unique strings.
 *     The zeroth element of the array of unique strings is intentionally blank.
 * @private
 */
diff_match_patch.prototype.diff_linesToChars_ = function(text1, text2) {
  var lineArray = [];  // e.g. lineArray[4] == 'Hello\n'
  var lineHash = {};   // e.g. lineHash['Hello\n'] == 4

  // '\x00' is a valid character, but various debuggers don't like it.
  // So we'll insert a junk entry to avoid generating a null character.
  lineArray[0] = '';

  /**
   * Split a text into an array of strings.  Reduce the texts to a string of
   * hashes where each Unicode character represents one line.
   * Modifies linearray and linehash through being a closure.
   * @param {string} text String to encode.
   * @return {string} Encoded string.
   * @private
   */
  function diff_linesToCharsMunge_(text) {
    var chars = '';
    // Walk the text, pulling out a substring for each line.
    // text.split('\n') would would temporarily double our memory footprint.
    // Modifying text would create many large strings to garbage collect.
    var lineStart = 0;
    var lineEnd = -1;
    // Keeping our own length variable is faster than looking it up.
    var lineArrayLength = lineArray.length;
    while (lineEnd < text.length - 1) {
      lineEnd = text.indexOf('\n', lineStart);
      if (lineEnd == -1) {
        lineEnd = text.length - 1;
      }
      var line = text.substring(lineStart, lineEnd + 1);

      if (lineHash.hasOwnProperty ? lineHash.hasOwnProperty(line) :
          (lineHash[line] !== undefined)) {
        chars += String.fromCharCode(lineHash[line]);
      } else {
        if (lineArrayLength == maxLines) {
          // Bail out at 65535 because
          // String.fromCharCode(65536) == String.fromCharCode(0)
          line = text.substring(lineStart);
          lineEnd = text.length;
        }
        chars += String.fromCharCode(lineArrayLength);
        lineHash[line] = lineArrayLength;
        lineArray[lineArrayLength++] = line;
      }
      lineStart = lineEnd + 1;
    }
    return chars;
  }
  // Allocate 2/3rds of the space for text1, the rest for text2.
  var maxLines = 40000;
  var chars1 = diff_linesToCharsMunge_(text1);
  maxLines = 65535;
  var chars2 = diff_linesToCharsMunge_(text2);
  return {chars1: chars1, chars2: chars2, lineArray: lineArray};
};


/**
 * Rehydrate the text in a diff from a string of line hashes to real lines of
 * text.
 * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.
 * @param {!Array.<string>} lineArray Array of unique strings.
 * @private
 */
diff_match_patch.prototype.diff_charsToLines_ = function(diffs, lineArray) {
  for (var i = 0; i < diffs.length; i++) {
    var chars = diffs[i][1];
    var text = [];
    for (var j = 0; j < chars.length; j++) {
      text[j] = lineArray[chars.charCodeAt(j)];
    }
    diffs[i][1] = text.join('');
  }
};


/**
 * Determine the common prefix of two strings.
 * @param {string} text1 First string.
 * @param {string} text2 Second string.
 * @return {number} The number of characters common to the start of each
 *     string.
 */
diff_match_patch.prototype.diff_commonPrefix = function(text1, text2) {
  // Quick check for common null cases.
  if (!text1 || !text2 || text1.charAt(0) != text2.charAt(0)) {
    return 0;
  }
  // Binary search.
  // Performance analysis: https://neil.fraser.name/news/2007/10/09/
  var pointermin = 0;
  var pointermax = Math.min(text1.length, text2.length);
  var pointermid = pointermax;
  var pointerstart = 0;
  while (pointermin < pointermid) {
    if (text1.substring(pointerstart, pointermid) ==
        text2.substring(pointerstart, pointermid)) {
      pointermin = pointermid;
      pointerstart = pointermin;
    } else {
      pointermax = pointermid;
    }
    pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);
  }
  return pointermid;
};


/**
 * Determine the common suffix of two strings.
 * @param {string} text1 First string.
 * @param {string} text2 Second string.
 * @return {number} The number of characters common to the end of each string.
 */
diff_match_patch.prototype.diff_commonSuffix = function(text1, text2) {
  // Quick check for common null cases.
  if (!text1 || !text2 ||
      text1.charAt(text1.length - 1) != text2.charAt(text2.length - 1)) {
    return 0;
  }
  // Binary search.
  // Performance analysis: https://neil.fraser.name/news/2007/10/09/
  var pointermin = 0;
  var pointermax = Math.min(text1.length, text2.length);
  var pointermid = pointermax;
  var pointerend = 0;
  while (pointermin < pointermid) {
    if (text1.substring(text1.length - pointermid, text1.length - pointerend) ==
        text2.substring(text2.length - pointermid, text2.length - pointerend)) {
      pointermin = pointermid;
      pointerend = pointermin;
    } else {
      pointermax = pointermid;
    }
    pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);
  }
  return pointermid;
};


/**
 * Determine if the suffix of one string is the prefix of another.
 * @param {string} text1 First string.
 * @param {string} text2 Second string.
 * @return {number} The number of characters common to the end of the first
 *     string and the start of the second string.
 * @private
 */
diff_match_patch.prototype.diff_commonOverlap_ = function(text1, text2) {
  // Cache the text lengths to prevent multiple calls.
  var text1_length = text1.length;
  var text2_length = text2.length;
  // Eliminate the null case.
  if (text1_length == 0 || text2_length == 0) {
    return 0;
  }
  // Truncate the longer string.
  if (text1_length > text2_length) {
    text1 = text1.substring(text1_length - text2_length);
  } else if (text1_length < text2_length) {
    text2 = text2.substring(0, text1_length);
  }
  var text_length = Math.min(text1_length, text2_length);
  // Quick check for the worst case.
  if (text1 == text2) {
    return text_length;
  }

  // Start by looking for a single character match
  // and increase length until no match is found.
  // Performance analysis: https://neil.fraser.name/news/2010/11/04/
  var best = 0;
  var length = 1;
  while (true) {
    var pattern = text1.substring(text_length - length);
    var found = text2.indexOf(pattern);
    if (found == -1) {
      return best;
    }
    length += found;
    if (found == 0 || text1.substring(text_length - length) ==
        text2.substring(0, length)) {
      best = length;
      length++;
    }
  }
};


/**
 * Do the two texts share a substring which is at least half the length of the
 * longer text?
 * This speedup can produce non-minimal diffs.
 * @param {string} text1 First string.
 * @param {string} text2 Second string.
 * @return {Array.<string>} Five element Array, containing the prefix of
 *     text1, the suffix of text1, the prefix of text2, the suffix of
 *     text2 and the common middle.  Or null if there was no match.
 * @private
 */
diff_match_patch.prototype.diff_halfMatch_ = function(text1, text2) {
  if (this.Diff_Timeout <= 0) {
    // Don't risk returning a non-optimal diff if we have unlimited time.
    return null;
  }
  var longtext = text1.length > text2.length ? text1 : text2;
  var shorttext = text1.length > text2.length ? text2 : text1;
  if (longtext.length < 4 || shorttext.length * 2 < longtext.length) {
    return null;  // Pointless.
  }
  var dmp = this;  // 'this' becomes 'window' in a closure.

  /**
   * Does a substring of shorttext exist within longtext such that the substring
   * is at least half the length of longtext?
   * Closure, but does not reference any external variables.
   * @param {string} longtext Longer string.
   * @param {string} shorttext Shorter string.
   * @param {number} i Start index of quarter length substring within longtext.
   * @return {Array.<string>} Five element Array, containing the prefix of
   *     longtext, the suffix of longtext, the prefix of shorttext, the suffix
   *     of shorttext and the common middle.  Or null if there was no match.
   * @private
   */
  function diff_halfMatchI_(longtext, shorttext, i) {
    // Start with a 1/4 length substring at position i as a seed.
    var seed = longtext.substring(i, i + Math.floor(longtext.length / 4));
    var j = -1;
    var best_common = '';
    var best_longtext_a, best_longtext_b, best_shorttext_a, best_shorttext_b;
    while ((j = shorttext.indexOf(seed, j + 1)) != -1) {
      var prefixLength = dmp.diff_commonPrefix(longtext.substring(i),
                                               shorttext.substring(j));
      var suffixLength = dmp.diff_commonSuffix(longtext.substring(0, i),
                                               shorttext.substring(0, j));
      if (best_common.length < suffixLength + prefixLength) {
        best_common = shorttext.substring(j - suffixLength, j) +
            shorttext.substring(j, j + prefixLength);
        best_longtext_a = longtext.substring(0, i - suffixLength);
        best_longtext_b = longtext.substring(i + prefixLength);
        best_shorttext_a = shorttext.substring(0, j - suffixLength);
        best_shorttext_b = shorttext.substring(j + prefixLength);
      }
    }
    if (best_common.length * 2 >= longtext.length) {
      return [best_longtext_a, best_longtext_b,
              best_shorttext_a, best_shorttext_b, best_common];
    } else {
      return null;
    }
  }

  // First check if the second quarter is the seed for a half-match.
  var hm1 = diff_halfMatchI_(longtext, shorttext,
                             Math.ceil(longtext.length / 4));
  // Check again based on the third quarter.
  var hm2 = diff_halfMatchI_(longtext, shorttext,
                             Math.ceil(longtext.length / 2));
  var hm;
  if (!hm1 && !hm2) {
    return null;
  } else if (!hm2) {
    hm = hm1;
  } else if (!hm1) {
    hm = hm2;
  } else {
    // Both matched.  Select the longest.
    hm = hm1[4].length > hm2[4].length ? hm1 : hm2;
  }

  // A half-match was found, sort out the return data.
  var text1_a, text1_b, text2_a, text2_b;
  if (text1.length > text2.length) {
    text1_a = hm[0];
    text1_b = hm[1];
    text2_a = hm[2];
    text2_b = hm[3];
  } else {
    text2_a = hm[0];
    text2_b = hm[1];
    text1_a = hm[2];
    text1_b = hm[3];
  }
  var mid_common = hm[4];
  return [text1_a, text1_b, text2_a, text2_b, mid_common];
};


/**
 * Reduce the number of edits by eliminating semantically trivial equalities.
 * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.
 */
diff_match_patch.prototype.diff_cleanupSemantic = function(diffs) {
  var changes = false;
  var equalities = [];  // Stack of indices where equalities are found.
  var equalitiesLength = 0;  // Keeping our own length var is faster in JS.
  /** @type {?string} */
  var lastEquality = null;
  // Always equal to diffs[equalities[equalitiesLength - 1]][1]
  var pointer = 0;  // Index of current position.
  // Number of characters that changed prior to the equality.
  var length_insertions1 = 0;
  var length_deletions1 = 0;
  // Number of characters that changed after the equality.
  var length_insertions2 = 0;
  var length_deletions2 = 0;
  while (pointer < diffs.length) {
    if (diffs[pointer][0] == DIFF_EQUAL) {  // Equality found.
      equalities[equalitiesLength++] = pointer;
      length_insertions1 = length_insertions2;
      length_deletions1 = length_deletions2;
      length_insertions2 = 0;
      length_deletions2 = 0;
      lastEquality = diffs[pointer][1];
    } else {  // An insertion or deletion.
      if (diffs[pointer][0] == DIFF_INSERT) {
        length_insertions2 += diffs[pointer][1].length;
      } else {
        length_deletions2 += diffs[pointer][1].length;
      }
      // Eliminate an equality that is smaller or equal to the edits on both
      // sides of it.
      if (lastEquality && (lastEquality.length <=
          Math.max(length_insertions1, length_deletions1)) &&
          (lastEquality.length <= Math.max(length_insertions2,
                                           length_deletions2))) {
        // Duplicate record.
        diffs.splice(equalities[equalitiesLength - 1], 0,
                     new diff_match_patch.Diff(DIFF_DELETE, lastEquality));
        // Change second copy to insert.
        diffs[equalities[equalitiesLength - 1] + 1][0] = DIFF_INSERT;
        // Throw away the equality we just deleted.
        equalitiesLength--;
        // Throw away the previous equality (it needs to be reevaluated).
        equalitiesLength--;
        pointer = equalitiesLength > 0 ? equalities[equalitiesLength - 1] : -1;
        length_insertions1 = 0;  // Reset the counters.
        length_deletions1 = 0;
        length_insertions2 = 0;
        length_deletions2 = 0;
        lastEquality = null;
        changes = true;
      }
    }
    pointer++;
  }

  // Normalize the diff.
  if (changes) {
    this.diff_cleanupMerge(diffs);
  }
  this.diff_cleanupSemanticLossless(diffs);

  // Find any overlaps between deletions and insertions.
  // e.g: <del>abcxxx</del><ins>xxxdef</ins>
  //   -> <del>abc</del>xxx<ins>def</ins>
  // e.g: <del>xxxabc</del><ins>defxxx</ins>
  //   -> <ins>def</ins>xxx<del>abc</del>
  // Only extract an overlap if it is as big as the edit ahead or behind it.
  pointer = 1;
  while (pointer < diffs.length) {
    if (diffs[pointer - 1][0] == DIFF_DELETE &&
        diffs[pointer][0] == DIFF_INSERT) {
      var deletion = diffs[pointer - 1][1];
      var insertion = diffs[pointer][1];
      var overlap_length1 = this.diff_commonOverlap_(deletion, insertion);
      var overlap_length2 = this.diff_commonOverlap_(insertion, deletion);
      if (overlap_length1 >= overlap_length2) {
        if (overlap_length1 >= deletion.length / 2 ||
            overlap_length1 >= insertion.length / 2) {
          // Overlap found.  Insert an equality and trim the surrounding edits.
          diffs.splice(pointer, 0, new diff_match_patch.Diff(DIFF_EQUAL,
              insertion.substring(0, overlap_length1)));
          diffs[pointer - 1][1] =
              deletion.substring(0, deletion.length - overlap_length1);
          diffs[pointer + 1][1] = insertion.substring(overlap_length1);
          pointer++;
        }
      } else {
        if (overlap_length2 >= deletion.length / 2 ||
            overlap_length2 >= insertion.length / 2) {
          // Reverse overlap found.
          // Insert an equality and swap and trim the surrounding edits.
          diffs.splice(pointer, 0, new diff_match_patch.Diff(DIFF_EQUAL,
              deletion.substring(0, overlap_length2)));
          diffs[pointer - 1][0] = DIFF_INSERT;
          diffs[pointer - 1][1] =
              insertion.substring(0, insertion.length - overlap_length2);
          diffs[pointer + 1][0] = DIFF_DELETE;
          diffs[pointer + 1][1] =
              deletion.substring(overlap_length2);
          pointer++;
        }
      }
      pointer++;
    }
    pointer++;
  }
};


/**
 * Look for single edits surrounded on both sides by equalities
 * which can be shifted sideways to align the edit to a word boundary.
 * e.g: The c<ins>at c</ins>ame. -> The <ins>cat </ins>came.
 * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.
 */
diff_match_patch.prototype.diff_cleanupSemanticLossless = function(diffs) {
  /**
   * Given two strings, compute a score representing whether the internal
   * boundary falls on logical boundaries.
   * Scores range from 6 (best) to 0 (worst).
   * Closure, but does not reference any external variables.
   * @param {string} one First string.
   * @param {string} two Second string.
   * @return {number} The score.
   * @private
   */
  function diff_cleanupSemanticScore_(one, two) {
    if (!one || !two) {
      // Edges are the best.
      return 6;
    }

    // Each port of this function behaves slightly differently due to
    // subtle differences in each language's definition of things like
    // 'whitespace'.  Since this function's purpose is largely cosmetic,
    // the choice has been made to use each language's native features
    // rather than force total conformity.
    var char1 = one.charAt(one.length - 1);
    var char2 = two.charAt(0);
    var nonAlphaNumeric1 = char1.match(diff_match_patch.nonAlphaNumericRegex_);
    var nonAlphaNumeric2 = char2.match(diff_match_patch.nonAlphaNumericRegex_);
    var whitespace1 = nonAlphaNumeric1 &&
        char1.match(diff_match_patch.whitespaceRegex_);
    var whitespace2 = nonAlphaNumeric2 &&
        char2.match(diff_match_patch.whitespaceRegex_);
    var lineBreak1 = whitespace1 &&
        char1.match(diff_match_patch.linebreakRegex_);
    var lineBreak2 = whitespace2 &&
        char2.match(diff_match_patch.linebreakRegex_);
    var blankLine1 = lineBreak1 &&
        one.match(diff_match_patch.blanklineEndRegex_);
    var blankLine2 = lineBreak2 &&
        two.match(diff_match_patch.blanklineStartRegex_);

    if (blankLine1 || blankLine2) {
      // Five points for blank lines.
      return 5;
    } else if (lineBreak1 || lineBreak2) {
      // Four points for line breaks.
      return 4;
    } else if (nonAlphaNumeric1 && !whitespace1 && whitespace2) {
      // Three points for end of sentences.
      return 3;
    } else if (whitespace1 || whitespace2) {
      // Two points for whitespace.
      return 2;
    } else if (nonAlphaNumeric1 || nonAlphaNumeric2) {
      // One point for non-alphanumeric.
      return 1;
    }
    return 0;
  }

  var pointer = 1;
  // Intentionally ignore the first and last element (don't need checking).
  while (pointer < diffs.length - 1) {
    if (diffs[pointer - 1][0] == DIFF_EQUAL &&
        diffs[pointer + 1][0] == DIFF_EQUAL) {
      // This is a single edit surrounded by equalities.
      var equality1 = diffs[pointer - 1][1];
      var edit = diffs[pointer][1];
      var equality2 = diffs[pointer + 1][1];

      // First, shift the edit as far left as possible.
      var commonOffset = this.diff_commonSuffix(equality1, edit);
      if (commonOffset) {
        var commonString = edit.substring(edit.length - commonOffset);
        equality1 = equality1.substring(0, equality1.length - commonOffset);
        edit = commonString + edit.substring(0, edit.length - commonOffset);
        equality2 = commonString + equality2;
      }

      // Second, step character by character right, looking for the best fit.
      var bestEquality1 = equality1;
      var bestEdit = edit;
      var bestEquality2 = equality2;
      var bestScore = diff_cleanupSemanticScore_(equality1, edit) +
          diff_cleanupSemanticScore_(edit, equality2);
      while (edit.charAt(0) === equality2.charAt(0)) {
        equality1 += edit.charAt(0);
        edit = edit.substring(1) + equality2.charAt(0);
        equality2 = equality2.substring(1);
        var score = diff_cleanupSemanticScore_(equality1, edit) +
            diff_cleanupSemanticScore_(edit, equality2);
        // The >= encourages trailing rather than leading whitespace on edits.
        if (score >= bestScore) {
          bestScore = score;
          bestEquality1 = equality1;
          bestEdit = edit;
          bestEquality2 = equality2;
        }
      }

      if (diffs[pointer - 1][1] != bestEquality1) {
        // We have an improvement, save it back to the diff.
        if (bestEquality1) {
          diffs[pointer - 1][1] = bestEquality1;
        } else {
          diffs.splice(pointer - 1, 1);
          pointer--;
        }
        diffs[pointer][1] = bestEdit;
        if (bestEquality2) {
          diffs[pointer + 1][1] = bestEquality2;
        } else {
          diffs.splice(pointer + 1, 1);
          pointer--;
        }
      }
    }
    pointer++;
  }
};

// Define some regex patterns for matching boundaries.
diff_match_patch.nonAlphaNumericRegex_ = /[^a-zA-Z0-9]/;
diff_match_patch.whitespaceRegex_ = /\s/;
diff_match_patch.linebreakRegex_ = /[\r\n]/;
diff_match_patch.blanklineEndRegex_ = /\n\r?\n$/;
diff_match_patch.blanklineStartRegex_ = /^\r?\n\r?\n/;

/**
 * Reduce the number of edits by eliminating operationally trivial equalities.
 * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.
 */
diff_match_patch.prototype.diff_cleanupEfficiency = function(diffs) {
  var changes = false;
  var equalities = [];  // Stack of indices where equalities are found.
  var equalitiesLength = 0;  // Keeping our own length var is faster in JS.
  /** @type {?string} */
  var lastEquality = null;
  // Always equal to diffs[equalities[equalitiesLength - 1]][1]
  var pointer = 0;  // Index of current position.
  // Is there an insertion operation before the last equality.
  var pre_ins = false;
  // Is there a deletion operation before the last equality.
  var pre_del = false;
  // Is there an insertion operation after the last equality.
  var post_ins = false;
  // Is there a deletion operation after the last equality.
  var post_del = false;
  while (pointer < diffs.length) {
    if (diffs[pointer][0] == DIFF_EQUAL) {  // Equality found.
      if (diffs[pointer][1].length < this.Diff_EditCost &&
          (post_ins || post_del)) {
        // Candidate found.
        equalities[equalitiesLength++] = pointer;
        pre_ins = post_ins;
        pre_del = post_del;
        lastEquality = diffs[pointer][1];
      } else {
        // Not a candidate, and can never become one.
        equalitiesLength = 0;
        lastEquality = null;
      }
      post_ins = post_del = false;
    } else {  // An insertion or deletion.
      if (diffs[pointer][0] == DIFF_DELETE) {
        post_del = true;
      } else {
        post_ins = true;
      }
      /*
       * Five types to be split:
       * <ins>A</ins><del>B</del>XY<ins>C</ins><del>D</del>
       * <ins>A</ins>X<ins>C</ins><del>D</del>
       * <ins>A</ins><del>B</del>X<ins>C</ins>
       * <ins>A</del>X<ins>C</ins><del>D</del>
       * <ins>A</ins><del>B</del>X<del>C</del>
       */
      if (lastEquality && ((pre_ins && pre_del && post_ins && post_del) ||
                           ((lastEquality.length < this.Diff_EditCost / 2) &&
                            (pre_ins + pre_del + post_ins + post_del) == 3))) {
        // Duplicate record.
        diffs.splice(equalities[equalitiesLength - 1], 0,
                     new diff_match_patch.Diff(DIFF_DELETE, lastEquality));
        // Change second copy to insert.
        diffs[equalities[equalitiesLength - 1] + 1][0] = DIFF_INSERT;
        equalitiesLength--;  // Throw away the equality we just deleted;
        lastEquality = null;
        if (pre_ins && pre_del) {
          // No changes made which could affect previous entry, keep going.
          post_ins = post_del = true;
          equalitiesLength = 0;
        } else {
          equalitiesLength--;  // Throw away the previous equality.
          pointer = equalitiesLength > 0 ?
              equalities[equalitiesLength - 1] : -1;
          post_ins = post_del = false;
        }
        changes = true;
      }
    }
    pointer++;
  }

  if (changes) {
    this.diff_cleanupMerge(diffs);
  }
};


/**
 * Reorder and merge like edit sections.  Merge equalities.
 * Any edit section can move as long as it doesn't cross an equality.
 * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.
 */
diff_match_patch.prototype.diff_cleanupMerge = function(diffs) {
  // Add a dummy entry at the end.
  diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, ''));
  var pointer = 0;
  var count_delete = 0;
  var count_insert = 0;
  var text_delete = '';
  var text_insert = '';
  var commonlength;
  while (pointer < diffs.length) {
    switch (diffs[pointer][0]) {
      case DIFF_INSERT:
        count_insert++;
        text_insert += diffs[pointer][1];
        pointer++;
        break;
      case DIFF_DELETE:
        count_delete++;
        text_delete += diffs[pointer][1];
        pointer++;
        break;
      case DIFF_EQUAL:
        // Upon reaching an equality, check for prior redundancies.
        if (count_delete + count_insert > 1) {
          if (count_delete !== 0 && count_insert !== 0) {
            // Factor out any common prefixies.
            commonlength = this.diff_commonPrefix(text_insert, text_delete);
            if (commonlength !== 0) {
              if ((pointer - count_delete - count_insert) > 0 &&
                  diffs[pointer - count_delete - count_insert - 1][0] ==
                  DIFF_EQUAL) {
                diffs[pointer - count_delete - count_insert - 1][1] +=
                    text_insert.substring(0, commonlength);
              } else {
                diffs.splice(0, 0, new diff_match_patch.Diff(DIFF_EQUAL,
                    text_insert.substring(0, commonlength)));
                pointer++;
              }
              text_insert = text_insert.substring(commonlength);
              text_delete = text_delete.substring(commonlength);
            }
            // Factor out any common suffixies.
            commonlength = this.diff_commonSuffix(text_insert, text_delete);
            if (commonlength !== 0) {
              diffs[pointer][1] = text_insert.substring(text_insert.length -
                  commonlength) + diffs[pointer][1];
              text_insert = text_insert.substring(0, text_insert.length -
                  commonlength);
              text_delete = text_delete.substring(0, text_delete.length -
                  commonlength);
            }
          }
          // Delete the offending records and add the merged ones.
          pointer -= count_delete + count_insert;
          diffs.splice(pointer, count_delete + count_insert);
          if (text_delete.length) {
            diffs.splice(pointer, 0,
                new diff_match_patch.Diff(DIFF_DELETE, text_delete));
            pointer++;
          }
          if (text_insert.length) {
            diffs.splice(pointer, 0,
                new diff_match_patch.Diff(DIFF_INSERT, text_insert));
            pointer++;
          }
          pointer++;
        } else if (pointer !== 0 && diffs[pointer - 1][0] == DIFF_EQUAL) {
          // Merge this equality with the previous one.
          diffs[pointer - 1][1] += diffs[pointer][1];
          diffs.splice(pointer, 1);
        } else {
          pointer++;
        }
        count_insert = 0;
        count_delete = 0;
        text_delete = '';
        text_insert = '';
        break;
    }
  }
  if (diffs[diffs.length - 1][1] === '') {
    diffs.pop();  // Remove the dummy entry at the end.
  }

  // Second pass: look for single edits surrounded on both sides by equalities
  // which can be shifted sideways to eliminate an equality.
  // e.g: A<ins>BA</ins>C -> <ins>AB</ins>AC
  var changes = false;
  pointer = 1;
  // Intentionally ignore the first and last element (don't need checking).
  while (pointer < diffs.length - 1) {
    if (diffs[pointer - 1][0] == DIFF_EQUAL &&
        diffs[pointer + 1][0] == DIFF_EQUAL) {
      // This is a single edit surrounded by equalities.
      if (diffs[pointer][1].substring(diffs[pointer][1].length -
          diffs[pointer - 1][1].length) == diffs[pointer - 1][1]) {
        // Shift the edit over the previous equality.
        diffs[pointer][1] = diffs[pointer - 1][1] +
            diffs[pointer][1].substring(0, diffs[pointer][1].length -
                                        diffs[pointer - 1][1].length);
        diffs[pointer + 1][1] = diffs[pointer - 1][1] + diffs[pointer + 1][1];
        diffs.splice(pointer - 1, 1);
        changes = true;
      } else if (diffs[pointer][1].substring(0, diffs[pointer + 1][1].length) ==
          diffs[pointer + 1][1]) {
        // Shift the edit over the next equality.
        diffs[pointer - 1][1] += diffs[pointer + 1][1];
        diffs[pointer][1] =
            diffs[pointer][1].substring(diffs[pointer + 1][1].length) +
            diffs[pointer + 1][1];
        diffs.splice(pointer + 1, 1);
        changes = true;
      }
    }
    pointer++;
  }
  // If shifts were made, the diff needs reordering and another shift sweep.
  if (changes) {
    this.diff_cleanupMerge(diffs);
  }
};


/**
 * loc is a location in text1, compute and return the equivalent location in
 * text2.
 * e.g. 'The cat' vs 'The big cat', 1->1, 5->8
 * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.
 * @param {number} loc Location within text1.
 * @return {number} Location within text2.
 */
diff_match_patch.prototype.diff_xIndex = function(diffs, loc) {
  var chars1 = 0;
  var chars2 = 0;
  var last_chars1 = 0;
  var last_chars2 = 0;
  var x;
  for (x = 0; x < diffs.length; x++) {
    if (diffs[x][0] !== DIFF_INSERT) {  // Equality or deletion.
      chars1 += diffs[x][1].length;
    }
    if (diffs[x][0] !== DIFF_DELETE) {  // Equality or insertion.
      chars2 += diffs[x][1].length;
    }
    if (chars1 > loc) {  // Overshot the location.
      break;
    }
    last_chars1 = chars1;
    last_chars2 = chars2;
  }
  // Was the location was deleted?
  if (diffs.length != x && diffs[x][0] === DIFF_DELETE) {
    return last_chars2;
  }
  // Add the remaining character length.
  return last_chars2 + (loc - last_chars1);
};


/**
 * Convert a diff array into a pretty HTML report.
 * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.
 * @return {string} HTML representation.
 */
diff_match_patch.prototype.diff_prettyHtml = function(diffs) {
  var html = [];
  var pattern_amp = /&/g;
  var pattern_lt = /</g;
  var pattern_gt = />/g;
  var pattern_para = /\n/g;
  for (var x = 0; x < diffs.length; x++) {
    var op = diffs[x][0];    // Operation (insert, delete, equal)
    var data = diffs[x][1];  // Text of change.
    var text = data.replace(pattern_amp, '&amp;').replace(pattern_lt, '&lt;')
        .replace(pattern_gt, '&gt;').replace(pattern_para, '&para;<br>');
    switch (op) {
      case DIFF_INSERT:
        html[x] = '<ins style="background:#e6ffe6;">' + text + '</ins>';
        break;
      case DIFF_DELETE:
        html[x] = '<del style="background:#ffe6e6;">' + text + '</del>';
        break;
      case DIFF_EQUAL:
        html[x] = '<span>' + text + '</span>';
        break;
    }
  }
  return html.join('');
};


/**
 * Compute and return the source text (all equalities and deletions).
 * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.
 * @return {string} Source text.
 */
diff_match_patch.prototype.diff_text1 = function(diffs) {
  var text = [];
  for (var x = 0; x < diffs.length; x++) {
    if (diffs[x][0] !== DIFF_INSERT) {
      text[x] = diffs[x][1];
    }
  }
  return text.join('');
};


/**
 * Compute and return the destination text (all equalities and insertions).
 * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.
 * @return {string} Destination text.
 */
diff_match_patch.prototype.diff_text2 = function(diffs) {
  var text = [];
  for (var x = 0; x < diffs.length; x++) {
    if (diffs[x][0] !== DIFF_DELETE) {
      text[x] = diffs[x][1];
    }
  }
  return text.join('');
};


/**
 * Compute the Levenshtein distance; the number of inserted, deleted or
 * substituted characters.
 * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.
 * @return {number} Number of changes.
 */
diff_match_patch.prototype.diff_levenshtein = function(diffs) {
  var levenshtein = 0;
  var insertions = 0;
  var deletions = 0;
  for (var x = 0; x < diffs.length; x++) {
    var op = diffs[x][0];
    var data = diffs[x][1];
    switch (op) {
      case DIFF_INSERT:
        insertions += data.length;
        break;
      case DIFF_DELETE:
        deletions += data.length;
        break;
      case DIFF_EQUAL:
        // A deletion and an insertion is one substitution.
        levenshtein += Math.max(insertions, deletions);
        insertions = 0;
        deletions = 0;
        break;
    }
  }
  levenshtein += Math.max(insertions, deletions);
  return levenshtein;
};


/**
 * Crush the diff into an encoded string which describes the operations
 * required to transform text1 into text2.
 * E.g. =3\t-2\t+ing  -> Keep 3 chars, delete 2 chars, insert 'ing'.
 * Operations are tab-separated.  Inserted text is escaped using %xx notation.
 * @param {!Array.<!diff_match_patch.Diff>} diffs Array of diff tuples.
 * @return {string} Delta text.
 */
diff_match_patch.prototype.diff_toDelta = function(diffs) {
  var text = [];
  for (var x = 0; x < diffs.length; x++) {
    switch (diffs[x][0]) {
      case DIFF_INSERT:
        text[x] = '+' + encodeURI(diffs[x][1]);
        break;
      case DIFF_DELETE:
        text[x] = '-' + diffs[x][1].length;
        break;
      case DIFF_EQUAL:
        text[x] = '=' + diffs[x][1].length;
        break;
    }
  }
  return text.join('\t').replace(/%20/g, ' ');
};


/**
 * Given the original text1, and an encoded string which describes the
 * operations required to transform text1 into text2, compute the full diff.
 * @param {string} text1 Source string for the diff.
 * @param {string} delta Delta text.
 * @return {!Array.<!diff_match_patch.Diff>} Array of diff tuples.
 * @throws {!Error} If invalid input.
 */
diff_match_patch.prototype.diff_fromDelta = function(text1, delta) {
  var diffs = [];
  var diffsLength = 0;  // Keeping our own length var is faster in JS.
  var pointer = 0;  // Cursor in text1
  var tokens = delta.split(/\t/g);
  for (var x = 0; x < tokens.length; x++) {
    // Each token begins with a one character parameter which specifies the
    // operation of this token (delete, insert, equality).
    var param = tokens[x].substring(1);
    switch (tokens[x].charAt(0)) {
      case '+':
        try {
          diffs[diffsLength++] =
              new diff_match_patch.Diff(DIFF_INSERT, decodeURI(param));
        } catch (ex) {
          // Malformed URI sequence.
          throw new Error('Illegal escape in diff_fromDelta: ' + param);
        }
        break;
      case '-':
        // Fall through.
      case '=':
        var n = parseInt(param, 10);
        if (isNaN(n) || n < 0) {
          throw new Error('Invalid number in diff_fromDelta: ' + param);
        }
        var text = text1.substring(pointer, pointer += n);
        if (tokens[x].charAt(0) == '=') {
          diffs[diffsLength++] = new diff_match_patch.Diff(DIFF_EQUAL, text);
        } else {
          diffs[diffsLength++] = new diff_match_patch.Diff(DIFF_DELETE, text);
        }
        break;
      default:
        // Blank tokens are ok (from a trailing \t).
        // Anything else is an error.
        if (tokens[x]) {
          throw new Error('Invalid diff operation in diff_fromDelta: ' +
                          tokens[x]);
        }
    }
  }
  if (pointer != text1.length) {
    throw new Error('Delta length (' + pointer +
        ') does not equal source text length (' + text1.length + ').');
  }
  return diffs;
};


//  MATCH FUNCTIONS


/**
 * Locate the best instance of 'pattern' in 'text' near 'loc'.
 * @param {string} text The text to search.
 * @param {string} pattern The pattern to search for.
 * @param {number} loc The location to search around.
 * @return {number} Best match index or -1.
 */
diff_match_patch.prototype.match_main = function(text, pattern, loc) {
  // Check for null inputs.
  if (text == null || pattern == null || loc == null) {
    throw new Error('Null input. (match_main)');
  }

  loc = Math.max(0, Math.min(loc, text.length));
  if (text == pattern) {
    // Shortcut (potentially not guaranteed by the algorithm)
    return 0;
  } else if (!text.length) {
    // Nothing to match.
    return -1;
  } else if (text.substring(loc, loc + pattern.length) == pattern) {
    // Perfect match at the perfect spot!  (Includes case of null pattern)
    return loc;
  } else {
    // Do a fuzzy compare.
    return this.match_bitap_(text, pattern, loc);
  }
};


/**
 * Locate the best instance of 'pattern' in 'text' near 'loc' using the
 * Bitap algorithm.
 * @param {string} text The text to search.
 * @param {string} pattern The pattern to search for.
 * @param {number} loc The location to search around.
 * @return {number} Best match index or -1.
 * @private
 */
diff_match_patch.prototype.match_bitap_ = function(text, pattern, loc) {
  if (pattern.length > this.Match_MaxBits) {
    throw new Error('Pattern too long for this browser.');
  }

  // Initialise the alphabet.
  var s = this.match_alphabet_(pattern);

  var dmp = this;  // 'this' becomes 'window' in a closure.

  /**
   * Compute and return the score for a match with e errors and x location.
   * Accesses loc and pattern through being a closure.
   * @param {number} e Number of errors in match.
   * @param {number} x Location of match.
   * @return {number} Overall score for match (0.0 = good, 1.0 = bad).
   * @private
   */
  function match_bitapScore_(e, x) {
    var accuracy = e / pattern.length;
    var proximity = Math.abs(loc - x);
    if (!dmp.Match_Distance) {
      // Dodge divide by zero error.
      return proximity ? 1.0 : accuracy;
    }
    return accuracy + (proximity / dmp.Match_Distance);
  }

  // Highest score beyond which we give up.
  var score_threshold = this.Match_Threshold;
  // Is there a nearby exact match? (speedup)
  var best_loc = text.indexOf(pattern, loc);
  if (best_loc != -1) {
    score_threshold = Math.min(match_bitapScore_(0, best_loc), score_threshold);
    // What about in the other direction? (speedup)
    best_loc = text.lastIndexOf(pattern, loc + pattern.length);
    if (best_loc != -1) {
      score_threshold =
          Math.min(match_bitapScore_(0, best_loc), score_threshold);
    }
  }

  // Initialise the bit arrays.
  var matchmask = 1 << (pattern.length - 1);
  best_loc = -1;

  var bin_min, bin_mid;
  var bin_max = pattern.length + text.length;
  var last_rd;
  for (var d = 0; d < pattern.length; d++) {
    // Scan for the best match; each iteration allows for one more error.
    // Run a binary search to determine how far from 'loc' we can stray at this
    // error level.
    bin_min = 0;
    bin_mid = bin_max;
    while (bin_min < bin_mid) {
      if (match_bitapScore_(d, loc + bin_mid) <= score_threshold) {
        bin_min = bin_mid;
      } else {
        bin_max = bin_mid;
      }
      bin_mid = Math.floor((bin_max - bin_min) / 2 + bin_min);
    }
    // Use the result from this iteration as the maximum for the next.
    bin_max = bin_mid;
    var start = Math.max(1, loc - bin_mid + 1);
    var finish = Math.min(loc + bin_mid, text.length) + pattern.length;

    var rd = Array(finish + 2);
    rd[finish + 1] = (1 << d) - 1;
    for (var j = finish; j >= start; j--) {
      // The alphabet (s) is a sparse hash, so the following line generates
      // warnings.
      var charMatch = s[text.charAt(j - 1)];
      if (d === 0) {  // First pass: exact match.
        rd[j] = ((rd[j + 1] << 1) | 1) & charMatch;
      } else {  // Subsequent passes: fuzzy match.
        rd[j] = (((rd[j + 1] << 1) | 1) & charMatch) |
                (((last_rd[j + 1] | last_rd[j]) << 1) | 1) |
                last_rd[j + 1];
      }
      if (rd[j] & matchmask) {
        var score = match_bitapScore_(d, j - 1);
        // This match will almost certainly be better than any existing match.
        // But check anyway.
        if (score <= score_threshold) {
          // Told you so.
          score_threshold = score;
          best_loc = j - 1;
          if (best_loc > loc) {
            // When passing loc, don't exceed our current distance from loc.
            start = Math.max(1, 2 * loc - best_loc);
          } else {
            // Already passed loc, downhill from here on in.
            break;
          }
        }
      }
    }
    // No hope for a (better) match at greater error levels.
    if (match_bitapScore_(d + 1, loc) > score_threshold) {
      break;
    }
    last_rd = rd;
  }
  return best_loc;
};


/**
 * Initialise the alphabet for the Bitap algorithm.
 * @param {string} pattern The text to encode.
 * @return {!Object} Hash of character locations.
 * @private
 */
diff_match_patch.prototype.match_alphabet_ = function(pattern) {
  var s = {};
  for (var i = 0; i < pattern.length; i++) {
    s[pattern.charAt(i)] = 0;
  }
  for (var i = 0; i < pattern.length; i++) {
    s[pattern.charAt(i)] |= 1 << (pattern.length - i - 1);
  }
  return s;
};


//  PATCH FUNCTIONS


/**
 * Increase the context until it is unique,
 * but don't let the pattern expand beyond Match_MaxBits.
 * @param {!diff_match_patch.patch_obj} patch The patch to grow.
 * @param {string} text Source text.
 * @private
 */
diff_match_patch.prototype.patch_addContext_ = function(patch, text) {
  if (text.length == 0) {
    return;
  }
  if (patch.start2 === null) {
    throw Error('patch not initialized');
  }
  var pattern = text.substring(patch.start2, patch.start2 + patch.length1);
  var padding = 0;

  // Look for the first and last matches of pattern in text.  If two different
  // matches are found, increase the pattern length.
  while (text.indexOf(pattern) != text.lastIndexOf(pattern) &&
         pattern.length < this.Match_MaxBits - this.Patch_Margin -
         this.Patch_Margin) {
    padding += this.Patch_Margin;
    pattern = text.substring(patch.start2 - padding,
                             patch.start2 + patch.length1 + padding);
  }
  // Add one chunk for good luck.
  padding += this.Patch_Margin;

  // Add the prefix.
  var prefix = text.substring(patch.start2 - padding, patch.start2);
  if (prefix) {
    patch.diffs.unshift(new diff_match_patch.Diff(DIFF_EQUAL, prefix));
  }
  // Add the suffix.
  var suffix = text.substring(patch.start2 + patch.length1,
                              patch.start2 + patch.length1 + padding);
  if (suffix) {
    patch.diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, suffix));
  }

  // Roll back the start points.
  patch.start1 -= prefix.length;
  patch.start2 -= prefix.length;
  // Extend the lengths.
  patch.length1 += prefix.length + suffix.length;
  patch.length2 += prefix.length + suffix.length;
};


/**
 * Compute a list of patches to turn text1 into text2.
 * Use diffs if provided, otherwise compute it ourselves.
 * There are four ways to call this function, depending on what data is
 * available to the caller:
 * Method 1:
 * a = text1, b = text2
 * Method 2:
 * a = diffs
 * Method 3 (optimal):
 * a = text1, b = diffs
 * Method 4 (deprecated, use method 3):
 * a = text1, b = text2, c = diffs
 *
 * @param {string|!Array.<!diff_match_patch.Diff>} a text1 (methods 1,3,4) or
 * Array of diff tuples for text1 to text2 (method 2).
 * @param {string|!Array.<!diff_match_patch.Diff>=} opt_b text2 (methods 1,4) or
 * Array of diff tuples for text1 to text2 (method 3) or undefined (method 2).
 * @param {string|!Array.<!diff_match_patch.Diff>=} opt_c Array of diff tuples
 * for text1 to text2 (method 4) or undefined (methods 1,2,3).
 * @return {!Array.<!diff_match_patch.patch_obj>} Array of Patch objects.
 */
diff_match_patch.prototype.patch_make = function(a, opt_b, opt_c) {
  var text1, diffs;
  if (typeof a == 'string' && typeof opt_b == 'string' &&
      typeof opt_c == 'undefined') {
    // Method 1: text1, text2
    // Compute diffs from text1 and text2.
    text1 = /** @type {string} */(a);
    diffs = this.diff_main(text1, /** @type {string} */(opt_b), true);
    if (diffs.length > 2) {
      this.diff_cleanupSemantic(diffs);
      this.diff_cleanupEfficiency(diffs);
    }
  } else if (a && typeof a == 'object' && typeof opt_b == 'undefined' &&
      typeof opt_c == 'undefined') {
    // Method 2: diffs
    // Compute text1 from diffs.
    diffs = /** @type {!Array.<!diff_match_patch.Diff>} */(a);
    text1 = this.diff_text1(diffs);
  } else if (typeof a == 'string' && opt_b && typeof opt_b == 'object' &&
      typeof opt_c == 'undefined') {
    // Method 3: text1, diffs
    text1 = /** @type {string} */(a);
    diffs = /** @type {!Array.<!diff_match_patch.Diff>} */(opt_b);
  } else if (typeof a == 'string' && typeof opt_b == 'string' &&
      opt_c && typeof opt_c == 'object') {
    // Method 4: text1, text2, diffs
    // text2 is not used.
    text1 = /** @type {string} */(a);
    diffs = /** @type {!Array.<!diff_match_patch.Diff>} */(opt_c);
  } else {
    throw new Error('Unknown call format to patch_make.');
  }

  if (diffs.length === 0) {
    return [];  // Get rid of the null case.
  }
  var patches = [];
  var patch = new diff_match_patch.patch_obj();
  var patchDiffLength = 0;  // Keeping our own length var is faster in JS.
  var char_count1 = 0;  // Number of characters into the text1 string.
  var char_count2 = 0;  // Number of characters into the text2 string.
  // Start with text1 (prepatch_text) and apply the diffs until we arrive at
  // text2 (postpatch_text).  We recreate the patches one by one to determine
  // context info.
  var prepatch_text = text1;
  var postpatch_text = text1;
  for (var x = 0; x < diffs.length; x++) {
    var diff_type = diffs[x][0];
    var diff_text = diffs[x][1];

    if (!patchDiffLength && diff_type !== DIFF_EQUAL) {
      // A new patch starts here.
      patch.start1 = char_count1;
      patch.start2 = char_count2;
    }

    switch (diff_type) {
      case DIFF_INSERT:
        patch.diffs[patchDiffLength++] = diffs[x];
        patch.length2 += diff_text.length;
        postpatch_text = postpatch_text.substring(0, char_count2) + diff_text +
                         postpatch_text.substring(char_count2);
        break;
      case DIFF_DELETE:
        patch.length1 += diff_text.length;
        patch.diffs[patchDiffLength++] = diffs[x];
        postpatch_text = postpatch_text.substring(0, char_count2) +
                         postpatch_text.substring(char_count2 +
                             diff_text.length);
        break;
      case DIFF_EQUAL:
        if (diff_text.length <= 2 * this.Patch_Margin &&
            patchDiffLength && diffs.length != x + 1) {
          // Small equality inside a patch.
          patch.diffs[patchDiffLength++] = diffs[x];
          patch.length1 += diff_text.length;
          patch.length2 += diff_text.length;
        } else if (diff_text.length >= 2 * this.Patch_Margin) {
          // Time for a new patch.
          if (patchDiffLength) {
            this.patch_addContext_(patch, prepatch_text);
            patches.push(patch);
            patch = new diff_match_patch.patch_obj();
            patchDiffLength = 0;
            // Unlike Unidiff, our patch lists have a rolling context.
            // https://github.com/google/diff-match-patch/wiki/Unidiff
            // Update prepatch text & pos to reflect the application of the
            // just completed patch.
            prepatch_text = postpatch_text;
            char_count1 = char_count2;
          }
        }
        break;
    }

    // Update the current character count.
    if (diff_type !== DIFF_INSERT) {
      char_count1 += diff_text.length;
    }
    if (diff_type !== DIFF_DELETE) {
      char_count2 += diff_text.length;
    }
  }
  // Pick up the leftover patch if not empty.
  if (patchDiffLength) {
    this.patch_addContext_(patch, prepatch_text);
    patches.push(patch);
  }

  return patches;
};


/**
 * Given an array of patches, return another array that is identical.
 * @param {!Array.<!diff_match_patch.patch_obj>} patches Array of Patch objects.
 * @return {!Array.<!diff_match_patch.patch_obj>} Array of Patch objects.
 */
diff_match_patch.prototype.patch_deepCopy = function(patches) {
  // Making deep copies is hard in JavaScript.
  var patchesCopy = [];
  for (var x = 0; x < patches.length; x++) {
    var patch = patches[x];
    var patchCopy = new diff_match_patch.patch_obj();
    patchCopy.diffs = [];
    for (var y = 0; y < patch.diffs.length; y++) {
      patchCopy.diffs[y] =
          new diff_match_patch.Diff(patch.diffs[y][0], patch.diffs[y][1]);
    }
    patchCopy.start1 = patch.start1;
    patchCopy.start2 = patch.start2;
    patchCopy.length1 = patch.length1;
    patchCopy.length2 = patch.length2;
    patchesCopy[x] = patchCopy;
  }
  return patchesCopy;
};


/**
 * Merge a set of patches onto the text.  Return a patched text, as well
 * as a list of true/false values indicating which patches were applied.
 * @param {!Array.<!diff_match_patch.patch_obj>} patches Array of Patch objects.
 * @param {string} text Old text.
 * @return {!Array.<string|!Array.<boolean>>} Two element Array, containing the
 *      new text and an array of boolean values.
 */
diff_match_patch.prototype.patch_apply = function(patches, text) {
  if (patches.length == 0) {
    return [text, []];
  }

  // Deep copy the patches so that no changes are made to originals.
  patches = this.patch_deepCopy(patches);

  var nullPadding = this.patch_addPadding(patches);
  text = nullPadding + text + nullPadding;

  this.patch_splitMax(patches);
  // delta keeps track of the offset between the expected and actual location
  // of the previous patch.  If there are patches expected at positions 10 and
  // 20, but the first patch was found at 12, delta is 2 and the second patch
  // has an effective expected position of 22.
  var delta = 0;
  var results = [];
  for (var x = 0; x < patches.length; x++) {
    var expected_loc = patches[x].start2 + delta;
    var text1 = this.diff_text1(patches[x].diffs);
    var start_loc;
    var end_loc = -1;
    if (text1.length > this.Match_MaxBits) {
      // patch_splitMax will only provide an oversized pattern in the case of
      // a monster delete.
      start_loc = this.match_main(text, text1.substring(0, this.Match_MaxBits),
                                  expected_loc);
      if (start_loc != -1) {
        end_loc = this.match_main(text,
            text1.substring(text1.length - this.Match_MaxBits),
            expected_loc + text1.length - this.Match_MaxBits);
        if (end_loc == -1 || start_loc >= end_loc) {
          // Can't find valid trailing context.  Drop this patch.
          start_loc = -1;
        }
      }
    } else {
      start_loc = this.match_main(text, text1, expected_loc);
    }
    if (start_loc == -1) {
      // No match found.  :(
      results[x] = false;
      // Subtract the delta for this failed patch from subsequent patches.
      delta -= patches[x].length2 - patches[x].length1;
    } else {
      // Found a match.  :)
      results[x] = true;
      delta = start_loc - expected_loc;
      var text2;
      if (end_loc == -1) {
        text2 = text.substring(start_loc, start_loc + text1.length);
      } else {
        text2 = text.substring(start_loc, end_loc + this.Match_MaxBits);
      }
      if (text1 == text2) {
        // Perfect match, just shove the replacement text in.
        text = text.substring(0, start_loc) +
               this.diff_text2(patches[x].diffs) +
               text.substring(start_loc + text1.length);
      } else {
        // Imperfect match.  Run a diff to get a framework of equivalent
        // indices.
        var diffs = this.diff_main(text1, text2, false);
        if (text1.length > this.Match_MaxBits &&
            this.diff_levenshtein(diffs) / text1.length >
            this.Patch_DeleteThreshold) {
          // The end points match, but the content is unacceptably bad.
          results[x] = false;
        } else {
          this.diff_cleanupSemanticLossless(diffs);
          var index1 = 0;
          var index2;
          for (var y = 0; y < patches[x].diffs.length; y++) {
            var mod = patches[x].diffs[y];
            if (mod[0] !== DIFF_EQUAL) {
              index2 = this.diff_xIndex(diffs, index1);
            }
            if (mod[0] === DIFF_INSERT) {  // Insertion
              text = text.substring(0, start_loc + index2) + mod[1] +
                     text.substring(start_loc + index2);
            } else if (mod[0] === DIFF_DELETE) {  // Deletion
              text = text.substring(0, start_loc + index2) +
                     text.substring(start_loc + this.diff_xIndex(diffs,
                         index1 + mod[1].length));
            }
            if (mod[0] !== DIFF_DELETE) {
              index1 += mod[1].length;
            }
          }
        }
      }
    }
  }
  // Strip the padding off.
  text = text.substring(nullPadding.length, text.length - nullPadding.length);
  return [text, results];
};


/**
 * Add some padding on text start and end so that edges can match something.
 * Intended to be called only from within patch_apply.
 * @param {!Array.<!diff_match_patch.patch_obj>} patches Array of Patch objects.
 * @return {string} The padding string added to each side.
 */
diff_match_patch.prototype.patch_addPadding = function(patches) {
  var paddingLength = this.Patch_Margin;
  var nullPadding = '';
  for (var x = 1; x <= paddingLength; x++) {
    nullPadding += String.fromCharCode(x);
  }

  // Bump all the patches forward.
  for (var x = 0; x < patches.length; x++) {
    patches[x].start1 += paddingLength;
    patches[x].start2 += paddingLength;
  }

  // Add some padding on start of first diff.
  var patch = patches[0];
  var diffs = patch.diffs;
  if (diffs.length == 0 || diffs[0][0] != DIFF_EQUAL) {
    // Add nullPadding equality.
    diffs.unshift(new diff_match_patch.Diff(DIFF_EQUAL, nullPadding));
    patch.start1 -= paddingLength;  // Should be 0.
    patch.start2 -= paddingLength;  // Should be 0.
    patch.length1 += paddingLength;
    patch.length2 += paddingLength;
  } else if (paddingLength > diffs[0][1].length) {
    // Grow first equality.
    var extraLength = paddingLength - diffs[0][1].length;
    diffs[0][1] = nullPadding.substring(diffs[0][1].length) + diffs[0][1];
    patch.start1 -= extraLength;
    patch.start2 -= extraLength;
    patch.length1 += extraLength;
    patch.length2 += extraLength;
  }

  // Add some padding on end of last diff.
  patch = patches[patches.length - 1];
  diffs = patch.diffs;
  if (diffs.length == 0 || diffs[diffs.length - 1][0] != DIFF_EQUAL) {
    // Add nullPadding equality.
    diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, nullPadding));
    patch.length1 += paddingLength;
    patch.length2 += paddingLength;
  } else if (paddingLength > diffs[diffs.length - 1][1].length) {
    // Grow last equality.
    var extraLength = paddingLength - diffs[diffs.length - 1][1].length;
    diffs[diffs.length - 1][1] += nullPadding.substring(0, extraLength);
    patch.length1 += extraLength;
    patch.length2 += extraLength;
  }

  return nullPadding;
};


/**
 * Look through the patches and break up any which are longer than the maximum
 * limit of the match algorithm.
 * Intended to be called only from within patch_apply.
 * @param {!Array.<!diff_match_patch.patch_obj>} patches Array of Patch objects.
 */
diff_match_patch.prototype.patch_splitMax = function(patches) {
  var patch_size = this.Match_MaxBits;
  for (var x = 0; x < patches.length; x++) {
    if (patches[x].length1 <= patch_size) {
      continue;
    }
    var bigpatch = patches[x];
    // Remove the big old patch.
    patches.splice(x--, 1);
    var start1 = bigpatch.start1;
    var start2 = bigpatch.start2;
    var precontext = '';
    while (bigpatch.diffs.length !== 0) {
      // Create one of several smaller patches.
      var patch = new diff_match_patch.patch_obj();
      var empty = true;
      patch.start1 = start1 - precontext.length;
      patch.start2 = start2 - precontext.length;
      if (precontext !== '') {
        patch.length1 = patch.length2 = precontext.length;
        patch.diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, precontext));
      }
      while (bigpatch.diffs.length !== 0 &&
             patch.length1 < patch_size - this.Patch_Margin) {
        var diff_type = bigpatch.diffs[0][0];
        var diff_text = bigpatch.diffs[0][1];
        if (diff_type === DIFF_INSERT) {
          // Insertions are harmless.
          patch.length2 += diff_text.length;
          start2 += diff_text.length;
          patch.diffs.push(bigpatch.diffs.shift());
          empty = false;
        } else if (diff_type === DIFF_DELETE && patch.diffs.length == 1 &&
                   patch.diffs[0][0] == DIFF_EQUAL &&
                   diff_text.length > 2 * patch_size) {
          // This is a large deletion.  Let it pass in one chunk.
          patch.length1 += diff_text.length;
          start1 += diff_text.length;
          empty = false;
          patch.diffs.push(new diff_match_patch.Diff(diff_type, diff_text));
          bigpatch.diffs.shift();
        } else {
          // Deletion or equality.  Only take as much as we can stomach.
          diff_text = diff_text.substring(0,
              patch_size - patch.length1 - this.Patch_Margin);
          patch.length1 += diff_text.length;
          start1 += diff_text.length;
          if (diff_type === DIFF_EQUAL) {
            patch.length2 += diff_text.length;
            start2 += diff_text.length;
          } else {
            empty = false;
          }
          patch.diffs.push(new diff_match_patch.Diff(diff_type, diff_text));
          if (diff_text == bigpatch.diffs[0][1]) {
            bigpatch.diffs.shift();
          } else {
            bigpatch.diffs[0][1] =
                bigpatch.diffs[0][1].substring(diff_text.length);
          }
        }
      }
      // Compute the head context for the next patch.
      precontext = this.diff_text2(patch.diffs);
      precontext =
          precontext.substring(precontext.length - this.Patch_Margin);
      // Append the end context for this patch.
      var postcontext = this.diff_text1(bigpatch.diffs)
                            .substring(0, this.Patch_Margin);
      if (postcontext !== '') {
        patch.length1 += postcontext.length;
        patch.length2 += postcontext.length;
        if (patch.diffs.length !== 0 &&
            patch.diffs[patch.diffs.length - 1][0] === DIFF_EQUAL) {
          patch.diffs[patch.diffs.length - 1][1] += postcontext;
        } else {
          patch.diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, postcontext));
        }
      }
      if (!empty) {
        patches.splice(++x, 0, patch);
      }
    }
  }
};


/**
 * Take a list of patches and return a textual representation.
 * @param {!Array.<!diff_match_patch.patch_obj>} patches Array of Patch objects.
 * @return {string} Text representation of patches.
 */
diff_match_patch.prototype.patch_toText = function(patches) {
  var text = [];
  for (var x = 0; x < patches.length; x++) {
    text[x] = patches[x];
  }
  return text.join('');
};


/**
 * Parse a textual representation of patches and return a list of Patch objects.
 * @param {string} textline Text representation of patches.
 * @return {!Array.<!diff_match_patch.patch_obj>} Array of Patch objects.
 * @throws {!Error} If invalid input.
 */
diff_match_patch.prototype.patch_fromText = function(textline) {
  var patches = [];
  if (!textline) {
    return patches;
  }
  var text = textline.split('\n');
  var textPointer = 0;
  var patchHeader = /^@@ -(\d+),?(\d*) \+(\d+),?(\d*) @@$/;
  while (textPointer < text.length) {
    var m = text[textPointer].match(patchHeader);
    if (!m) {
      throw new Error('Invalid patch string: ' + text[textPointer]);
    }
    var patch = new diff_match_patch.patch_obj();
    patches.push(patch);
    patch.start1 = parseInt(m[1], 10);
    if (m[2] === '') {
      patch.start1--;
      patch.length1 = 1;
    } else if (m[2] == '0') {
      patch.length1 = 0;
    } else {
      patch.start1--;
      patch.length1 = parseInt(m[2], 10);
    }

    patch.start2 = parseInt(m[3], 10);
    if (m[4] === '') {
      patch.start2--;
      patch.length2 = 1;
    } else if (m[4] == '0') {
      patch.length2 = 0;
    } else {
      patch.start2--;
      patch.length2 = parseInt(m[4], 10);
    }
    textPointer++;

    while (textPointer < text.length) {
      var sign = text[textPointer].charAt(0);
      try {
        var line = decodeURI(text[textPointer].substring(1));
      } catch (ex) {
        // Malformed URI sequence.
        throw new Error('Illegal escape in patch_fromText: ' + line);
      }
      if (sign == '-') {
        // Deletion.
        patch.diffs.push(new diff_match_patch.Diff(DIFF_DELETE, line));
      } else if (sign == '+') {
        // Insertion.
        patch.diffs.push(new diff_match_patch.Diff(DIFF_INSERT, line));
      } else if (sign == ' ') {
        // Minor equality.
        patch.diffs.push(new diff_match_patch.Diff(DIFF_EQUAL, line));
      } else if (sign == '@') {
        // Start of next patch.
        break;
      } else if (sign === '') {
        // Blank line?  Whatever.
      } else {
        // WTF?
        throw new Error('Invalid patch mode "' + sign + '" in: ' + line);
      }
      textPointer++;
    }
  }
  return patches;
};


/**
 * Class representing one patch operation.
 * @constructor
 */
diff_match_patch.patch_obj = function() {
  /** @type {!Array.<!diff_match_patch.Diff>} */
  this.diffs = [];
  /** @type {?number} */
  this.start1 = null;
  /** @type {?number} */
  this.start2 = null;
  /** @type {number} */
  this.length1 = 0;
  /** @type {number} */
  this.length2 = 0;
};


/**
 * Emulate GNU diff's format.
 * Header: @@ -382,8 +481,9 @@
 * Indices are printed as 1-based, not 0-based.
 * @return {string} The GNU diff string.
 */
diff_match_patch.patch_obj.prototype.toString = function() {
  var coords1, coords2;
  if (this.length1 === 0) {
    coords1 = this.start1 + ',0';
  } else if (this.length1 == 1) {
    coords1 = this.start1 + 1;
  } else {
    coords1 = (this.start1 + 1) + ',' + this.length1;
  }
  if (this.length2 === 0) {
    coords2 = this.start2 + ',0';
  } else if (this.length2 == 1) {
    coords2 = this.start2 + 1;
  } else {
    coords2 = (this.start2 + 1) + ',' + this.length2;
  }
  var text = ['@@ -' + coords1 + ' +' + coords2 + ' @@\n'];
  var op;
  // Escape the body of the patch with %xx notation.
  for (var x = 0; x < this.diffs.length; x++) {
    switch (this.diffs[x][0]) {
      case DIFF_INSERT:
        op = '+';
        break;
      case DIFF_DELETE:
        op = '-';
        break;
      case DIFF_EQUAL:
        op = ' ';
        break;
    }
    text[x + 1] = op + encodeURI(this.diffs[x][1]) + '\n';
  }
  return text.join('').replace(/%20/g, ' ');
};


// The following export code was added by @ForbesLindesay
module.exports = diff_match_patch;
module.exports.diff_match_patch = diff_match_patch;
module.exports.DIFF_DELETE = DIFF_DELETE;
module.exports.DIFF_INSERT = DIFF_INSERT;
module.exports.DIFF_EQUAL = DIFF_EQUAL;

/***/ }),

/***/ 42916:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/**
 * lodash (Custom Build) <https://lodash.com/>
 * Build: `lodash modularize exports="npm" -o ./`
 * Copyright jQuery Foundation and other contributors <https://jquery.org/>
 * Released under MIT license <https://lodash.com/license>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 */

/** Used as the `TypeError` message for "Functions" methods. */
var FUNC_ERROR_TEXT = 'Expected a function';

/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';

/** Used as references for various `Number` constants. */
var INFINITY = 1 / 0;

/** `Object#toString` result references. */
var funcTag = '[object Function]',
    genTag = '[object GeneratorFunction]',
    symbolTag = '[object Symbol]';

/** Used to match property names within property paths. */
var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
    reIsPlainProp = /^\w*$/,
    reLeadingDot = /^\./,
    rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;

/**
 * Used to match `RegExp`
 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
 */
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;

/** Used to match backslashes in property paths. */
var reEscapeChar = /\\(\\)?/g;

/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;

/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof __webpack_require__.g == 'object' && __webpack_require__.g && __webpack_require__.g.Object === Object && __webpack_require__.g;

/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();

/**
 * Gets the value at `key` of `object`.
 *
 * @private
 * @param {Object} [object] The object to query.
 * @param {string} key The key of the property to get.
 * @returns {*} Returns the property value.
 */
function getValue(object, key) {
  return object == null ? undefined : object[key];
}

/**
 * Checks if `value` is a host object in IE < 9.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a host object, else `false`.
 */
function isHostObject(value) {
  // Many host objects are `Object` objects that can coerce to strings
  // despite having improperly defined `toString` methods.
  var result = false;
  if (value != null && typeof value.toString != 'function') {
    try {
      result = !!(value + '');
    } catch (e) {}
  }
  return result;
}

/** Used for built-in method references. */
var arrayProto = Array.prototype,
    funcProto = Function.prototype,
    objectProto = Object.prototype;

/** Used to detect overreaching core-js shims. */
var coreJsData = root['__core-js_shared__'];

/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
  return uid ? ('Symbol(src)_1.' + uid) : '';
}());

/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var objectToString = objectProto.toString;

/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);

/** Built-in value references. */
var Symbol = root.Symbol,
    splice = arrayProto.splice;

/* Built-in method references that are verified to be native. */
var Map = getNative(root, 'Map'),
    nativeCreate = getNative(Object, 'create');

/** Used to convert symbols to primitives and strings. */
var symbolProto = Symbol ? Symbol.prototype : undefined,
    symbolToString = symbolProto ? symbolProto.toString : undefined;

/**
 * Creates a hash object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function Hash(entries) {
  var index = -1,
      length = entries ? entries.length : 0;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

/**
 * Removes all key-value entries from the hash.
 *
 * @private
 * @name clear
 * @memberOf Hash
 */
function hashClear() {
  this.__data__ = nativeCreate ? nativeCreate(null) : {};
}

/**
 * Removes `key` and its value from the hash.
 *
 * @private
 * @name delete
 * @memberOf Hash
 * @param {Object} hash The hash to modify.
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function hashDelete(key) {
  return this.has(key) && delete this.__data__[key];
}

/**
 * Gets the hash value for `key`.
 *
 * @private
 * @name get
 * @memberOf Hash
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function hashGet(key) {
  var data = this.__data__;
  if (nativeCreate) {
    var result = data[key];
    return result === HASH_UNDEFINED ? undefined : result;
  }
  return hasOwnProperty.call(data, key) ? data[key] : undefined;
}

/**
 * Checks if a hash value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf Hash
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function hashHas(key) {
  var data = this.__data__;
  return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);
}

/**
 * Sets the hash `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf Hash
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the hash instance.
 */
function hashSet(key, value) {
  var data = this.__data__;
  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
  return this;
}

// Add methods to `Hash`.
Hash.prototype.clear = hashClear;
Hash.prototype['delete'] = hashDelete;
Hash.prototype.get = hashGet;
Hash.prototype.has = hashHas;
Hash.prototype.set = hashSet;

/**
 * Creates an list cache object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function ListCache(entries) {
  var index = -1,
      length = entries ? entries.length : 0;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

/**
 * Removes all key-value entries from the list cache.
 *
 * @private
 * @name clear
 * @memberOf ListCache
 */
function listCacheClear() {
  this.__data__ = [];
}

/**
 * Removes `key` and its value from the list cache.
 *
 * @private
 * @name delete
 * @memberOf ListCache
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function listCacheDelete(key) {
  var data = this.__data__,
      index = assocIndexOf(data, key);

  if (index < 0) {
    return false;
  }
  var lastIndex = data.length - 1;
  if (index == lastIndex) {
    data.pop();
  } else {
    splice.call(data, index, 1);
  }
  return true;
}

/**
 * Gets the list cache value for `key`.
 *
 * @private
 * @name get
 * @memberOf ListCache
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function listCacheGet(key) {
  var data = this.__data__,
      index = assocIndexOf(data, key);

  return index < 0 ? undefined : data[index][1];
}

/**
 * Checks if a list cache value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf ListCache
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function listCacheHas(key) {
  return assocIndexOf(this.__data__, key) > -1;
}

/**
 * Sets the list cache `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf ListCache
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the list cache instance.
 */
function listCacheSet(key, value) {
  var data = this.__data__,
      index = assocIndexOf(data, key);

  if (index < 0) {
    data.push([key, value]);
  } else {
    data[index][1] = value;
  }
  return this;
}

// Add methods to `ListCache`.
ListCache.prototype.clear = listCacheClear;
ListCache.prototype['delete'] = listCacheDelete;
ListCache.prototype.get = listCacheGet;
ListCache.prototype.has = listCacheHas;
ListCache.prototype.set = listCacheSet;

/**
 * Creates a map cache object to store key-value pairs.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function MapCache(entries) {
  var index = -1,
      length = entries ? entries.length : 0;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

/**
 * Removes all key-value entries from the map.
 *
 * @private
 * @name clear
 * @memberOf MapCache
 */
function mapCacheClear() {
  this.__data__ = {
    'hash': new Hash,
    'map': new (Map || ListCache),
    'string': new Hash
  };
}

/**
 * Removes `key` and its value from the map.
 *
 * @private
 * @name delete
 * @memberOf MapCache
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function mapCacheDelete(key) {
  return getMapData(this, key)['delete'](key);
}

/**
 * Gets the map value for `key`.
 *
 * @private
 * @name get
 * @memberOf MapCache
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function mapCacheGet(key) {
  return getMapData(this, key).get(key);
}

/**
 * Checks if a map value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf MapCache
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function mapCacheHas(key) {
  return getMapData(this, key).has(key);
}

/**
 * Sets the map `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf MapCache
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the map cache instance.
 */
function mapCacheSet(key, value) {
  getMapData(this, key).set(key, value);
  return this;
}

// Add methods to `MapCache`.
MapCache.prototype.clear = mapCacheClear;
MapCache.prototype['delete'] = mapCacheDelete;
MapCache.prototype.get = mapCacheGet;
MapCache.prototype.has = mapCacheHas;
MapCache.prototype.set = mapCacheSet;

/**
 * Gets the index at which the `key` is found in `array` of key-value pairs.
 *
 * @private
 * @param {Array} array The array to inspect.
 * @param {*} key The key to search for.
 * @returns {number} Returns the index of the matched value, else `-1`.
 */
function assocIndexOf(array, key) {
  var length = array.length;
  while (length--) {
    if (eq(array[length][0], key)) {
      return length;
    }
  }
  return -1;
}

/**
 * The base implementation of `_.get` without support for default values.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {Array|string} path The path of the property to get.
 * @returns {*} Returns the resolved value.
 */
function baseGet(object, path) {
  path = isKey(path, object) ? [path] : castPath(path);

  var index = 0,
      length = path.length;

  while (object != null && index < length) {
    object = object[toKey(path[index++])];
  }
  return (index && index == length) ? object : undefined;
}

/**
 * The base implementation of `_.isNative` without bad shim checks.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a native function,
 *  else `false`.
 */
function baseIsNative(value) {
  if (!isObject(value) || isMasked(value)) {
    return false;
  }
  var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;
  return pattern.test(toSource(value));
}

/**
 * The base implementation of `_.toString` which doesn't convert nullish
 * values to empty strings.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {string} Returns the string.
 */
function baseToString(value) {
  // Exit early for strings to avoid a performance hit in some environments.
  if (typeof value == 'string') {
    return value;
  }
  if (isSymbol(value)) {
    return symbolToString ? symbolToString.call(value) : '';
  }
  var result = (value + '');
  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
}

/**
 * Casts `value` to a path array if it's not one.
 *
 * @private
 * @param {*} value The value to inspect.
 * @returns {Array} Returns the cast property path array.
 */
function castPath(value) {
  return isArray(value) ? value : stringToPath(value);
}

/**
 * Gets the data for `map`.
 *
 * @private
 * @param {Object} map The map to query.
 * @param {string} key The reference key.
 * @returns {*} Returns the map data.
 */
function getMapData(map, key) {
  var data = map.__data__;
  return isKeyable(key)
    ? data[typeof key == 'string' ? 'string' : 'hash']
    : data.map;
}

/**
 * Gets the native function at `key` of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {string} key The key of the method to get.
 * @returns {*} Returns the function if it's native, else `undefined`.
 */
function getNative(object, key) {
  var value = getValue(object, key);
  return baseIsNative(value) ? value : undefined;
}

/**
 * Checks if `value` is a property name and not a property path.
 *
 * @private
 * @param {*} value The value to check.
 * @param {Object} [object] The object to query keys on.
 * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
 */
function isKey(value, object) {
  if (isArray(value)) {
    return false;
  }
  var type = typeof value;
  if (type == 'number' || type == 'symbol' || type == 'boolean' ||
      value == null || isSymbol(value)) {
    return true;
  }
  return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
    (object != null && value in Object(object));
}

/**
 * Checks if `value` is suitable for use as unique object key.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
 */
function isKeyable(value) {
  var type = typeof value;
  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
    ? (value !== '__proto__')
    : (value === null);
}

/**
 * Checks if `func` has its source masked.
 *
 * @private
 * @param {Function} func The function to check.
 * @returns {boolean} Returns `true` if `func` is masked, else `false`.
 */
function isMasked(func) {
  return !!maskSrcKey && (maskSrcKey in func);
}

/**
 * Converts `string` to a property path array.
 *
 * @private
 * @param {string} string The string to convert.
 * @returns {Array} Returns the property path array.
 */
var stringToPath = memoize(function(string) {
  string = toString(string);

  var result = [];
  if (reLeadingDot.test(string)) {
    result.push('');
  }
  string.replace(rePropName, function(match, number, quote, string) {
    result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
  });
  return result;
});

/**
 * Converts `value` to a string key if it's not a string or symbol.
 *
 * @private
 * @param {*} value The value to inspect.
 * @returns {string|symbol} Returns the key.
 */
function toKey(value) {
  if (typeof value == 'string' || isSymbol(value)) {
    return value;
  }
  var result = (value + '');
  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
}

/**
 * Converts `func` to its source code.
 *
 * @private
 * @param {Function} func The function to process.
 * @returns {string} Returns the source code.
 */
function toSource(func) {
  if (func != null) {
    try {
      return funcToString.call(func);
    } catch (e) {}
    try {
      return (func + '');
    } catch (e) {}
  }
  return '';
}

/**
 * Creates a function that memoizes the result of `func`. If `resolver` is
 * provided, it determines the cache key for storing the result based on the
 * arguments provided to the memoized function. By default, the first argument
 * provided to the memoized function is used as the map cache key. The `func`
 * is invoked with the `this` binding of the memoized function.
 *
 * **Note:** The cache is exposed as the `cache` property on the memoized
 * function. Its creation may be customized by replacing the `_.memoize.Cache`
 * constructor with one whose instances implement the
 * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
 * method interface of `delete`, `get`, `has`, and `set`.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Function
 * @param {Function} func The function to have its output memoized.
 * @param {Function} [resolver] The function to resolve the cache key.
 * @returns {Function} Returns the new memoized function.
 * @example
 *
 * var object = { 'a': 1, 'b': 2 };
 * var other = { 'c': 3, 'd': 4 };
 *
 * var values = _.memoize(_.values);
 * values(object);
 * // => [1, 2]
 *
 * values(other);
 * // => [3, 4]
 *
 * object.a = 2;
 * values(object);
 * // => [1, 2]
 *
 * // Modify the result cache.
 * values.cache.set(object, ['a', 'b']);
 * values(object);
 * // => ['a', 'b']
 *
 * // Replace `_.memoize.Cache`.
 * _.memoize.Cache = WeakMap;
 */
function memoize(func, resolver) {
  if (typeof func != 'function' || (resolver && typeof resolver != 'function')) {
    throw new TypeError(FUNC_ERROR_TEXT);
  }
  var memoized = function() {
    var args = arguments,
        key = resolver ? resolver.apply(this, args) : args[0],
        cache = memoized.cache;

    if (cache.has(key)) {
      return cache.get(key);
    }
    var result = func.apply(this, args);
    memoized.cache = cache.set(key, result);
    return result;
  };
  memoized.cache = new (memoize.Cache || MapCache);
  return memoized;
}

// Assign cache to `_.memoize`.
memoize.Cache = MapCache;

/**
 * Performs a
 * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
 * comparison between two values to determine if they are equivalent.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to compare.
 * @param {*} other The other value to compare.
 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
 * @example
 *
 * var object = { 'a': 1 };
 * var other = { 'a': 1 };
 *
 * _.eq(object, object);
 * // => true
 *
 * _.eq(object, other);
 * // => false
 *
 * _.eq('a', 'a');
 * // => true
 *
 * _.eq('a', Object('a'));
 * // => false
 *
 * _.eq(NaN, NaN);
 * // => true
 */
function eq(value, other) {
  return value === other || (value !== value && other !== other);
}

/**
 * Checks if `value` is classified as an `Array` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
 * @example
 *
 * _.isArray([1, 2, 3]);
 * // => true
 *
 * _.isArray(document.body.children);
 * // => false
 *
 * _.isArray('abc');
 * // => false
 *
 * _.isArray(_.noop);
 * // => false
 */
var isArray = Array.isArray;

/**
 * Checks if `value` is classified as a `Function` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a function, else `false`.
 * @example
 *
 * _.isFunction(_);
 * // => true
 *
 * _.isFunction(/abc/);
 * // => false
 */
function isFunction(value) {
  // The use of `Object#toString` avoids issues with the `typeof` operator
  // in Safari 8-9 which returns 'object' for typed array and other constructors.
  var tag = isObject(value) ? objectToString.call(value) : '';
  return tag == funcTag || tag == genTag;
}

/**
 * Checks if `value` is the
 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(_.noop);
 * // => true
 *
 * _.isObject(null);
 * // => false
 */
function isObject(value) {
  var type = typeof value;
  return !!value && (type == 'object' || type == 'function');
}

/**
 * Checks if `value` is object-like. A value is object-like if it's not `null`
 * and has a `typeof` result of "object".
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 * @example
 *
 * _.isObjectLike({});
 * // => true
 *
 * _.isObjectLike([1, 2, 3]);
 * // => true
 *
 * _.isObjectLike(_.noop);
 * // => false
 *
 * _.isObjectLike(null);
 * // => false
 */
function isObjectLike(value) {
  return !!value && typeof value == 'object';
}

/**
 * Checks if `value` is classified as a `Symbol` primitive or object.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
 * @example
 *
 * _.isSymbol(Symbol.iterator);
 * // => true
 *
 * _.isSymbol('abc');
 * // => false
 */
function isSymbol(value) {
  return typeof value == 'symbol' ||
    (isObjectLike(value) && objectToString.call(value) == symbolTag);
}

/**
 * Converts `value` to a string. An empty string is returned for `null`
 * and `undefined` values. The sign of `-0` is preserved.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to process.
 * @returns {string} Returns the string.
 * @example
 *
 * _.toString(null);
 * // => ''
 *
 * _.toString(-0);
 * // => '-0'
 *
 * _.toString([1, 2, 3]);
 * // => '1,2,3'
 */
function toString(value) {
  return value == null ? '' : baseToString(value);
}

/**
 * Gets the value at `path` of `object`. If the resolved value is
 * `undefined`, the `defaultValue` is returned in its place.
 *
 * @static
 * @memberOf _
 * @since 3.7.0
 * @category Object
 * @param {Object} object The object to query.
 * @param {Array|string} path The path of the property to get.
 * @param {*} [defaultValue] The value returned for `undefined` resolved values.
 * @returns {*} Returns the resolved value.
 * @example
 *
 * var object = { 'a': [{ 'b': { 'c': 3 } }] };
 *
 * _.get(object, 'a[0].b.c');
 * // => 3
 *
 * _.get(object, ['a', '0', 'b', 'c']);
 * // => 3
 *
 * _.get(object, 'a.b.c', 'default');
 * // => 'default'
 */
function get(object, path, defaultValue) {
  var result = object == null ? undefined : baseGet(object, path);
  return result === undefined ? defaultValue : result;
}

module.exports = get;


/***/ }),

/***/ 48507:
/***/ ((module, exports, __webpack_require__) => {

/* module decorator */ module = __webpack_require__.nmd(module);
/**
 * Lodash (Custom Build) <https://lodash.com/>
 * Build: `lodash modularize exports="npm" -o ./`
 * Copyright JS Foundation and other contributors <https://js.foundation/>
 * Released under MIT license <https://lodash.com/license>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 */

/** Used as the size to enable large array optimizations. */
var LARGE_ARRAY_SIZE = 200;

/** Used to stand-in for `undefined` hash values. */
var HASH_UNDEFINED = '__lodash_hash_undefined__';

/** Used to compose bitmasks for value comparisons. */
var COMPARE_PARTIAL_FLAG = 1,
    COMPARE_UNORDERED_FLAG = 2;

/** Used as references for various `Number` constants. */
var MAX_SAFE_INTEGER = 9007199254740991;

/** `Object#toString` result references. */
var argsTag = '[object Arguments]',
    arrayTag = '[object Array]',
    asyncTag = '[object AsyncFunction]',
    boolTag = '[object Boolean]',
    dateTag = '[object Date]',
    errorTag = '[object Error]',
    funcTag = '[object Function]',
    genTag = '[object GeneratorFunction]',
    mapTag = '[object Map]',
    numberTag = '[object Number]',
    nullTag = '[object Null]',
    objectTag = '[object Object]',
    promiseTag = '[object Promise]',
    proxyTag = '[object Proxy]',
    regexpTag = '[object RegExp]',
    setTag = '[object Set]',
    stringTag = '[object String]',
    symbolTag = '[object Symbol]',
    undefinedTag = '[object Undefined]',
    weakMapTag = '[object WeakMap]';

var arrayBufferTag = '[object ArrayBuffer]',
    dataViewTag = '[object DataView]',
    float32Tag = '[object Float32Array]',
    float64Tag = '[object Float64Array]',
    int8Tag = '[object Int8Array]',
    int16Tag = '[object Int16Array]',
    int32Tag = '[object Int32Array]',
    uint8Tag = '[object Uint8Array]',
    uint8ClampedTag = '[object Uint8ClampedArray]',
    uint16Tag = '[object Uint16Array]',
    uint32Tag = '[object Uint32Array]';

/**
 * Used to match `RegExp`
 * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
 */
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;

/** Used to detect host constructors (Safari). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;

/** Used to detect unsigned integer values. */
var reIsUint = /^(?:0|[1-9]\d*)$/;

/** Used to identify `toStringTag` values of typed arrays. */
var typedArrayTags = {};
typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
typedArrayTags[uint32Tag] = true;
typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
typedArrayTags[errorTag] = typedArrayTags[funcTag] =
typedArrayTags[mapTag] = typedArrayTags[numberTag] =
typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
typedArrayTags[setTag] = typedArrayTags[stringTag] =
typedArrayTags[weakMapTag] = false;

/** Detect free variable `global` from Node.js. */
var freeGlobal = typeof __webpack_require__.g == 'object' && __webpack_require__.g && __webpack_require__.g.Object === Object && __webpack_require__.g;

/** Detect free variable `self`. */
var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

/** Used as a reference to the global object. */
var root = freeGlobal || freeSelf || Function('return this')();

/** Detect free variable `exports`. */
var freeExports =  true && exports && !exports.nodeType && exports;

/** Detect free variable `module`. */
var freeModule = freeExports && "object" == 'object' && module && !module.nodeType && module;

/** Detect the popular CommonJS extension `module.exports`. */
var moduleExports = freeModule && freeModule.exports === freeExports;

/** Detect free variable `process` from Node.js. */
var freeProcess = moduleExports && freeGlobal.process;

/** Used to access faster Node.js helpers. */
var nodeUtil = (function() {
  try {
    return freeProcess && freeProcess.binding && freeProcess.binding('util');
  } catch (e) {}
}());

/* Node.js helper references. */
var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;

/**
 * A specialized version of `_.filter` for arrays without support for
 * iteratee shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} predicate The function invoked per iteration.
 * @returns {Array} Returns the new filtered array.
 */
function arrayFilter(array, predicate) {
  var index = -1,
      length = array == null ? 0 : array.length,
      resIndex = 0,
      result = [];

  while (++index < length) {
    var value = array[index];
    if (predicate(value, index, array)) {
      result[resIndex++] = value;
    }
  }
  return result;
}

/**
 * Appends the elements of `values` to `array`.
 *
 * @private
 * @param {Array} array The array to modify.
 * @param {Array} values The values to append.
 * @returns {Array} Returns `array`.
 */
function arrayPush(array, values) {
  var index = -1,
      length = values.length,
      offset = array.length;

  while (++index < length) {
    array[offset + index] = values[index];
  }
  return array;
}

/**
 * A specialized version of `_.some` for arrays without support for iteratee
 * shorthands.
 *
 * @private
 * @param {Array} [array] The array to iterate over.
 * @param {Function} predicate The function invoked per iteration.
 * @returns {boolean} Returns `true` if any element passes the predicate check,
 *  else `false`.
 */
function arraySome(array, predicate) {
  var index = -1,
      length = array == null ? 0 : array.length;

  while (++index < length) {
    if (predicate(array[index], index, array)) {
      return true;
    }
  }
  return false;
}

/**
 * The base implementation of `_.times` without support for iteratee shorthands
 * or max array length checks.
 *
 * @private
 * @param {number} n The number of times to invoke `iteratee`.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns the array of results.
 */
function baseTimes(n, iteratee) {
  var index = -1,
      result = Array(n);

  while (++index < n) {
    result[index] = iteratee(index);
  }
  return result;
}

/**
 * The base implementation of `_.unary` without support for storing metadata.
 *
 * @private
 * @param {Function} func The function to cap arguments for.
 * @returns {Function} Returns the new capped function.
 */
function baseUnary(func) {
  return function(value) {
    return func(value);
  };
}

/**
 * Checks if a `cache` value for `key` exists.
 *
 * @private
 * @param {Object} cache The cache to query.
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function cacheHas(cache, key) {
  return cache.has(key);
}

/**
 * Gets the value at `key` of `object`.
 *
 * @private
 * @param {Object} [object] The object to query.
 * @param {string} key The key of the property to get.
 * @returns {*} Returns the property value.
 */
function getValue(object, key) {
  return object == null ? undefined : object[key];
}

/**
 * Converts `map` to its key-value pairs.
 *
 * @private
 * @param {Object} map The map to convert.
 * @returns {Array} Returns the key-value pairs.
 */
function mapToArray(map) {
  var index = -1,
      result = Array(map.size);

  map.forEach(function(value, key) {
    result[++index] = [key, value];
  });
  return result;
}

/**
 * Creates a unary function that invokes `func` with its argument transformed.
 *
 * @private
 * @param {Function} func The function to wrap.
 * @param {Function} transform The argument transform.
 * @returns {Function} Returns the new function.
 */
function overArg(func, transform) {
  return function(arg) {
    return func(transform(arg));
  };
}

/**
 * Converts `set` to an array of its values.
 *
 * @private
 * @param {Object} set The set to convert.
 * @returns {Array} Returns the values.
 */
function setToArray(set) {
  var index = -1,
      result = Array(set.size);

  set.forEach(function(value) {
    result[++index] = value;
  });
  return result;
}

/** Used for built-in method references. */
var arrayProto = Array.prototype,
    funcProto = Function.prototype,
    objectProto = Object.prototype;

/** Used to detect overreaching core-js shims. */
var coreJsData = root['__core-js_shared__'];

/** Used to resolve the decompiled source of functions. */
var funcToString = funcProto.toString;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/** Used to detect methods masquerading as native. */
var maskSrcKey = (function() {
  var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
  return uid ? ('Symbol(src)_1.' + uid) : '';
}());

/**
 * Used to resolve the
 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
 * of values.
 */
var nativeObjectToString = objectProto.toString;

/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);

/** Built-in value references. */
var Buffer = moduleExports ? root.Buffer : undefined,
    Symbol = root.Symbol,
    Uint8Array = root.Uint8Array,
    propertyIsEnumerable = objectProto.propertyIsEnumerable,
    splice = arrayProto.splice,
    symToStringTag = Symbol ? Symbol.toStringTag : undefined;

/* Built-in method references for those with the same name as other `lodash` methods. */
var nativeGetSymbols = Object.getOwnPropertySymbols,
    nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
    nativeKeys = overArg(Object.keys, Object);

/* Built-in method references that are verified to be native. */
var DataView = getNative(root, 'DataView'),
    Map = getNative(root, 'Map'),
    Promise = getNative(root, 'Promise'),
    Set = getNative(root, 'Set'),
    WeakMap = getNative(root, 'WeakMap'),
    nativeCreate = getNative(Object, 'create');

/** Used to detect maps, sets, and weakmaps. */
var dataViewCtorString = toSource(DataView),
    mapCtorString = toSource(Map),
    promiseCtorString = toSource(Promise),
    setCtorString = toSource(Set),
    weakMapCtorString = toSource(WeakMap);

/** Used to convert symbols to primitives and strings. */
var symbolProto = Symbol ? Symbol.prototype : undefined,
    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;

/**
 * Creates a hash object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function Hash(entries) {
  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

/**
 * Removes all key-value entries from the hash.
 *
 * @private
 * @name clear
 * @memberOf Hash
 */
function hashClear() {
  this.__data__ = nativeCreate ? nativeCreate(null) : {};
  this.size = 0;
}

/**
 * Removes `key` and its value from the hash.
 *
 * @private
 * @name delete
 * @memberOf Hash
 * @param {Object} hash The hash to modify.
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function hashDelete(key) {
  var result = this.has(key) && delete this.__data__[key];
  this.size -= result ? 1 : 0;
  return result;
}

/**
 * Gets the hash value for `key`.
 *
 * @private
 * @name get
 * @memberOf Hash
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function hashGet(key) {
  var data = this.__data__;
  if (nativeCreate) {
    var result = data[key];
    return result === HASH_UNDEFINED ? undefined : result;
  }
  return hasOwnProperty.call(data, key) ? data[key] : undefined;
}

/**
 * Checks if a hash value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf Hash
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function hashHas(key) {
  var data = this.__data__;
  return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
}

/**
 * Sets the hash `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf Hash
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the hash instance.
 */
function hashSet(key, value) {
  var data = this.__data__;
  this.size += this.has(key) ? 0 : 1;
  data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
  return this;
}

// Add methods to `Hash`.
Hash.prototype.clear = hashClear;
Hash.prototype['delete'] = hashDelete;
Hash.prototype.get = hashGet;
Hash.prototype.has = hashHas;
Hash.prototype.set = hashSet;

/**
 * Creates an list cache object.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function ListCache(entries) {
  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

/**
 * Removes all key-value entries from the list cache.
 *
 * @private
 * @name clear
 * @memberOf ListCache
 */
function listCacheClear() {
  this.__data__ = [];
  this.size = 0;
}

/**
 * Removes `key` and its value from the list cache.
 *
 * @private
 * @name delete
 * @memberOf ListCache
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function listCacheDelete(key) {
  var data = this.__data__,
      index = assocIndexOf(data, key);

  if (index < 0) {
    return false;
  }
  var lastIndex = data.length - 1;
  if (index == lastIndex) {
    data.pop();
  } else {
    splice.call(data, index, 1);
  }
  --this.size;
  return true;
}

/**
 * Gets the list cache value for `key`.
 *
 * @private
 * @name get
 * @memberOf ListCache
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function listCacheGet(key) {
  var data = this.__data__,
      index = assocIndexOf(data, key);

  return index < 0 ? undefined : data[index][1];
}

/**
 * Checks if a list cache value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf ListCache
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function listCacheHas(key) {
  return assocIndexOf(this.__data__, key) > -1;
}

/**
 * Sets the list cache `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf ListCache
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the list cache instance.
 */
function listCacheSet(key, value) {
  var data = this.__data__,
      index = assocIndexOf(data, key);

  if (index < 0) {
    ++this.size;
    data.push([key, value]);
  } else {
    data[index][1] = value;
  }
  return this;
}

// Add methods to `ListCache`.
ListCache.prototype.clear = listCacheClear;
ListCache.prototype['delete'] = listCacheDelete;
ListCache.prototype.get = listCacheGet;
ListCache.prototype.has = listCacheHas;
ListCache.prototype.set = listCacheSet;

/**
 * Creates a map cache object to store key-value pairs.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function MapCache(entries) {
  var index = -1,
      length = entries == null ? 0 : entries.length;

  this.clear();
  while (++index < length) {
    var entry = entries[index];
    this.set(entry[0], entry[1]);
  }
}

/**
 * Removes all key-value entries from the map.
 *
 * @private
 * @name clear
 * @memberOf MapCache
 */
function mapCacheClear() {
  this.size = 0;
  this.__data__ = {
    'hash': new Hash,
    'map': new (Map || ListCache),
    'string': new Hash
  };
}

/**
 * Removes `key` and its value from the map.
 *
 * @private
 * @name delete
 * @memberOf MapCache
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function mapCacheDelete(key) {
  var result = getMapData(this, key)['delete'](key);
  this.size -= result ? 1 : 0;
  return result;
}

/**
 * Gets the map value for `key`.
 *
 * @private
 * @name get
 * @memberOf MapCache
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function mapCacheGet(key) {
  return getMapData(this, key).get(key);
}

/**
 * Checks if a map value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf MapCache
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function mapCacheHas(key) {
  return getMapData(this, key).has(key);
}

/**
 * Sets the map `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf MapCache
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the map cache instance.
 */
function mapCacheSet(key, value) {
  var data = getMapData(this, key),
      size = data.size;

  data.set(key, value);
  this.size += data.size == size ? 0 : 1;
  return this;
}

// Add methods to `MapCache`.
MapCache.prototype.clear = mapCacheClear;
MapCache.prototype['delete'] = mapCacheDelete;
MapCache.prototype.get = mapCacheGet;
MapCache.prototype.has = mapCacheHas;
MapCache.prototype.set = mapCacheSet;

/**
 *
 * Creates an array cache object to store unique values.
 *
 * @private
 * @constructor
 * @param {Array} [values] The values to cache.
 */
function SetCache(values) {
  var index = -1,
      length = values == null ? 0 : values.length;

  this.__data__ = new MapCache;
  while (++index < length) {
    this.add(values[index]);
  }
}

/**
 * Adds `value` to the array cache.
 *
 * @private
 * @name add
 * @memberOf SetCache
 * @alias push
 * @param {*} value The value to cache.
 * @returns {Object} Returns the cache instance.
 */
function setCacheAdd(value) {
  this.__data__.set(value, HASH_UNDEFINED);
  return this;
}

/**
 * Checks if `value` is in the array cache.
 *
 * @private
 * @name has
 * @memberOf SetCache
 * @param {*} value The value to search for.
 * @returns {number} Returns `true` if `value` is found, else `false`.
 */
function setCacheHas(value) {
  return this.__data__.has(value);
}

// Add methods to `SetCache`.
SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
SetCache.prototype.has = setCacheHas;

/**
 * Creates a stack cache object to store key-value pairs.
 *
 * @private
 * @constructor
 * @param {Array} [entries] The key-value pairs to cache.
 */
function Stack(entries) {
  var data = this.__data__ = new ListCache(entries);
  this.size = data.size;
}

/**
 * Removes all key-value entries from the stack.
 *
 * @private
 * @name clear
 * @memberOf Stack
 */
function stackClear() {
  this.__data__ = new ListCache;
  this.size = 0;
}

/**
 * Removes `key` and its value from the stack.
 *
 * @private
 * @name delete
 * @memberOf Stack
 * @param {string} key The key of the value to remove.
 * @returns {boolean} Returns `true` if the entry was removed, else `false`.
 */
function stackDelete(key) {
  var data = this.__data__,
      result = data['delete'](key);

  this.size = data.size;
  return result;
}

/**
 * Gets the stack value for `key`.
 *
 * @private
 * @name get
 * @memberOf Stack
 * @param {string} key The key of the value to get.
 * @returns {*} Returns the entry value.
 */
function stackGet(key) {
  return this.__data__.get(key);
}

/**
 * Checks if a stack value for `key` exists.
 *
 * @private
 * @name has
 * @memberOf Stack
 * @param {string} key The key of the entry to check.
 * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
 */
function stackHas(key) {
  return this.__data__.has(key);
}

/**
 * Sets the stack `key` to `value`.
 *
 * @private
 * @name set
 * @memberOf Stack
 * @param {string} key The key of the value to set.
 * @param {*} value The value to set.
 * @returns {Object} Returns the stack cache instance.
 */
function stackSet(key, value) {
  var data = this.__data__;
  if (data instanceof ListCache) {
    var pairs = data.__data__;
    if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
      pairs.push([key, value]);
      this.size = ++data.size;
      return this;
    }
    data = this.__data__ = new MapCache(pairs);
  }
  data.set(key, value);
  this.size = data.size;
  return this;
}

// Add methods to `Stack`.
Stack.prototype.clear = stackClear;
Stack.prototype['delete'] = stackDelete;
Stack.prototype.get = stackGet;
Stack.prototype.has = stackHas;
Stack.prototype.set = stackSet;

/**
 * Creates an array of the enumerable property names of the array-like `value`.
 *
 * @private
 * @param {*} value The value to query.
 * @param {boolean} inherited Specify returning inherited property names.
 * @returns {Array} Returns the array of property names.
 */
function arrayLikeKeys(value, inherited) {
  var isArr = isArray(value),
      isArg = !isArr && isArguments(value),
      isBuff = !isArr && !isArg && isBuffer(value),
      isType = !isArr && !isArg && !isBuff && isTypedArray(value),
      skipIndexes = isArr || isArg || isBuff || isType,
      result = skipIndexes ? baseTimes(value.length, String) : [],
      length = result.length;

  for (var key in value) {
    if ((inherited || hasOwnProperty.call(value, key)) &&
        !(skipIndexes && (
           // Safari 9 has enumerable `arguments.length` in strict mode.
           key == 'length' ||
           // Node.js 0.10 has enumerable non-index properties on buffers.
           (isBuff && (key == 'offset' || key == 'parent')) ||
           // PhantomJS 2 has enumerable non-index properties on typed arrays.
           (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
           // Skip index properties.
           isIndex(key, length)
        ))) {
      result.push(key);
    }
  }
  return result;
}

/**
 * Gets the index at which the `key` is found in `array` of key-value pairs.
 *
 * @private
 * @param {Array} array The array to inspect.
 * @param {*} key The key to search for.
 * @returns {number} Returns the index of the matched value, else `-1`.
 */
function assocIndexOf(array, key) {
  var length = array.length;
  while (length--) {
    if (eq(array[length][0], key)) {
      return length;
    }
  }
  return -1;
}

/**
 * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
 * `keysFunc` and `symbolsFunc` to get the enumerable property names and
 * symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {Function} keysFunc The function to get the keys of `object`.
 * @param {Function} symbolsFunc The function to get the symbols of `object`.
 * @returns {Array} Returns the array of property names and symbols.
 */
function baseGetAllKeys(object, keysFunc, symbolsFunc) {
  var result = keysFunc(object);
  return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
}

/**
 * The base implementation of `getTag` without fallbacks for buggy environments.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
function baseGetTag(value) {
  if (value == null) {
    return value === undefined ? undefinedTag : nullTag;
  }
  return (symToStringTag && symToStringTag in Object(value))
    ? getRawTag(value)
    : objectToString(value);
}

/**
 * The base implementation of `_.isArguments`.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
 */
function baseIsArguments(value) {
  return isObjectLike(value) && baseGetTag(value) == argsTag;
}

/**
 * The base implementation of `_.isEqual` which supports partial comparisons
 * and tracks traversed objects.
 *
 * @private
 * @param {*} value The value to compare.
 * @param {*} other The other value to compare.
 * @param {boolean} bitmask The bitmask flags.
 *  1 - Unordered comparison
 *  2 - Partial comparison
 * @param {Function} [customizer] The function to customize comparisons.
 * @param {Object} [stack] Tracks traversed `value` and `other` objects.
 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
 */
function baseIsEqual(value, other, bitmask, customizer, stack) {
  if (value === other) {
    return true;
  }
  if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
    return value !== value && other !== other;
  }
  return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
}

/**
 * A specialized version of `baseIsEqual` for arrays and objects which performs
 * deep comparisons and tracks traversed objects enabling objects with circular
 * references to be compared.
 *
 * @private
 * @param {Object} object The object to compare.
 * @param {Object} other The other object to compare.
 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
 * @param {Function} customizer The function to customize comparisons.
 * @param {Function} equalFunc The function to determine equivalents of values.
 * @param {Object} [stack] Tracks traversed `object` and `other` objects.
 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
 */
function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
  var objIsArr = isArray(object),
      othIsArr = isArray(other),
      objTag = objIsArr ? arrayTag : getTag(object),
      othTag = othIsArr ? arrayTag : getTag(other);

  objTag = objTag == argsTag ? objectTag : objTag;
  othTag = othTag == argsTag ? objectTag : othTag;

  var objIsObj = objTag == objectTag,
      othIsObj = othTag == objectTag,
      isSameTag = objTag == othTag;

  if (isSameTag && isBuffer(object)) {
    if (!isBuffer(other)) {
      return false;
    }
    objIsArr = true;
    objIsObj = false;
  }
  if (isSameTag && !objIsObj) {
    stack || (stack = new Stack);
    return (objIsArr || isTypedArray(object))
      ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
      : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
  }
  if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
    var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
        othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');

    if (objIsWrapped || othIsWrapped) {
      var objUnwrapped = objIsWrapped ? object.value() : object,
          othUnwrapped = othIsWrapped ? other.value() : other;

      stack || (stack = new Stack);
      return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
    }
  }
  if (!isSameTag) {
    return false;
  }
  stack || (stack = new Stack);
  return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
}

/**
 * The base implementation of `_.isNative` without bad shim checks.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a native function,
 *  else `false`.
 */
function baseIsNative(value) {
  if (!isObject(value) || isMasked(value)) {
    return false;
  }
  var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
  return pattern.test(toSource(value));
}

/**
 * The base implementation of `_.isTypedArray` without Node.js optimizations.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
 */
function baseIsTypedArray(value) {
  return isObjectLike(value) &&
    isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
}

/**
 * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 */
function baseKeys(object) {
  if (!isPrototype(object)) {
    return nativeKeys(object);
  }
  var result = [];
  for (var key in Object(object)) {
    if (hasOwnProperty.call(object, key) && key != 'constructor') {
      result.push(key);
    }
  }
  return result;
}

/**
 * A specialized version of `baseIsEqualDeep` for arrays with support for
 * partial deep comparisons.
 *
 * @private
 * @param {Array} array The array to compare.
 * @param {Array} other The other array to compare.
 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
 * @param {Function} customizer The function to customize comparisons.
 * @param {Function} equalFunc The function to determine equivalents of values.
 * @param {Object} stack Tracks traversed `array` and `other` objects.
 * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
 */
function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
      arrLength = array.length,
      othLength = other.length;

  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
    return false;
  }
  // Assume cyclic values are equal.
  var stacked = stack.get(array);
  if (stacked && stack.get(other)) {
    return stacked == other;
  }
  var index = -1,
      result = true,
      seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;

  stack.set(array, other);
  stack.set(other, array);

  // Ignore non-index properties.
  while (++index < arrLength) {
    var arrValue = array[index],
        othValue = other[index];

    if (customizer) {
      var compared = isPartial
        ? customizer(othValue, arrValue, index, other, array, stack)
        : customizer(arrValue, othValue, index, array, other, stack);
    }
    if (compared !== undefined) {
      if (compared) {
        continue;
      }
      result = false;
      break;
    }
    // Recursively compare arrays (susceptible to call stack limits).
    if (seen) {
      if (!arraySome(other, function(othValue, othIndex) {
            if (!cacheHas(seen, othIndex) &&
                (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
              return seen.push(othIndex);
            }
          })) {
        result = false;
        break;
      }
    } else if (!(
          arrValue === othValue ||
            equalFunc(arrValue, othValue, bitmask, customizer, stack)
        )) {
      result = false;
      break;
    }
  }
  stack['delete'](array);
  stack['delete'](other);
  return result;
}

/**
 * A specialized version of `baseIsEqualDeep` for comparing objects of
 * the same `toStringTag`.
 *
 * **Note:** This function only supports comparing values with tags of
 * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
 *
 * @private
 * @param {Object} object The object to compare.
 * @param {Object} other The other object to compare.
 * @param {string} tag The `toStringTag` of the objects to compare.
 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
 * @param {Function} customizer The function to customize comparisons.
 * @param {Function} equalFunc The function to determine equivalents of values.
 * @param {Object} stack Tracks traversed `object` and `other` objects.
 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
 */
function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
  switch (tag) {
    case dataViewTag:
      if ((object.byteLength != other.byteLength) ||
          (object.byteOffset != other.byteOffset)) {
        return false;
      }
      object = object.buffer;
      other = other.buffer;

    case arrayBufferTag:
      if ((object.byteLength != other.byteLength) ||
          !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
        return false;
      }
      return true;

    case boolTag:
    case dateTag:
    case numberTag:
      // Coerce booleans to `1` or `0` and dates to milliseconds.
      // Invalid dates are coerced to `NaN`.
      return eq(+object, +other);

    case errorTag:
      return object.name == other.name && object.message == other.message;

    case regexpTag:
    case stringTag:
      // Coerce regexes to strings and treat strings, primitives and objects,
      // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
      // for more details.
      return object == (other + '');

    case mapTag:
      var convert = mapToArray;

    case setTag:
      var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
      convert || (convert = setToArray);

      if (object.size != other.size && !isPartial) {
        return false;
      }
      // Assume cyclic values are equal.
      var stacked = stack.get(object);
      if (stacked) {
        return stacked == other;
      }
      bitmask |= COMPARE_UNORDERED_FLAG;

      // Recursively compare objects (susceptible to call stack limits).
      stack.set(object, other);
      var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
      stack['delete'](object);
      return result;

    case symbolTag:
      if (symbolValueOf) {
        return symbolValueOf.call(object) == symbolValueOf.call(other);
      }
  }
  return false;
}

/**
 * A specialized version of `baseIsEqualDeep` for objects with support for
 * partial deep comparisons.
 *
 * @private
 * @param {Object} object The object to compare.
 * @param {Object} other The other object to compare.
 * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
 * @param {Function} customizer The function to customize comparisons.
 * @param {Function} equalFunc The function to determine equivalents of values.
 * @param {Object} stack Tracks traversed `object` and `other` objects.
 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
 */
function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
  var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
      objProps = getAllKeys(object),
      objLength = objProps.length,
      othProps = getAllKeys(other),
      othLength = othProps.length;

  if (objLength != othLength && !isPartial) {
    return false;
  }
  var index = objLength;
  while (index--) {
    var key = objProps[index];
    if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
      return false;
    }
  }
  // Assume cyclic values are equal.
  var stacked = stack.get(object);
  if (stacked && stack.get(other)) {
    return stacked == other;
  }
  var result = true;
  stack.set(object, other);
  stack.set(other, object);

  var skipCtor = isPartial;
  while (++index < objLength) {
    key = objProps[index];
    var objValue = object[key],
        othValue = other[key];

    if (customizer) {
      var compared = isPartial
        ? customizer(othValue, objValue, key, other, object, stack)
        : customizer(objValue, othValue, key, object, other, stack);
    }
    // Recursively compare objects (susceptible to call stack limits).
    if (!(compared === undefined
          ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
          : compared
        )) {
      result = false;
      break;
    }
    skipCtor || (skipCtor = key == 'constructor');
  }
  if (result && !skipCtor) {
    var objCtor = object.constructor,
        othCtor = other.constructor;

    // Non `Object` object instances with different constructors are not equal.
    if (objCtor != othCtor &&
        ('constructor' in object && 'constructor' in other) &&
        !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
          typeof othCtor == 'function' && othCtor instanceof othCtor)) {
      result = false;
    }
  }
  stack['delete'](object);
  stack['delete'](other);
  return result;
}

/**
 * Creates an array of own enumerable property names and symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names and symbols.
 */
function getAllKeys(object) {
  return baseGetAllKeys(object, keys, getSymbols);
}

/**
 * Gets the data for `map`.
 *
 * @private
 * @param {Object} map The map to query.
 * @param {string} key The reference key.
 * @returns {*} Returns the map data.
 */
function getMapData(map, key) {
  var data = map.__data__;
  return isKeyable(key)
    ? data[typeof key == 'string' ? 'string' : 'hash']
    : data.map;
}

/**
 * Gets the native function at `key` of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {string} key The key of the method to get.
 * @returns {*} Returns the function if it's native, else `undefined`.
 */
function getNative(object, key) {
  var value = getValue(object, key);
  return baseIsNative(value) ? value : undefined;
}

/**
 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the raw `toStringTag`.
 */
function getRawTag(value) {
  var isOwn = hasOwnProperty.call(value, symToStringTag),
      tag = value[symToStringTag];

  try {
    value[symToStringTag] = undefined;
    var unmasked = true;
  } catch (e) {}

  var result = nativeObjectToString.call(value);
  if (unmasked) {
    if (isOwn) {
      value[symToStringTag] = tag;
    } else {
      delete value[symToStringTag];
    }
  }
  return result;
}

/**
 * Creates an array of the own enumerable symbols of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of symbols.
 */
var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
  if (object == null) {
    return [];
  }
  object = Object(object);
  return arrayFilter(nativeGetSymbols(object), function(symbol) {
    return propertyIsEnumerable.call(object, symbol);
  });
};

/**
 * Gets the `toStringTag` of `value`.
 *
 * @private
 * @param {*} value The value to query.
 * @returns {string} Returns the `toStringTag`.
 */
var getTag = baseGetTag;

// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
    (Map && getTag(new Map) != mapTag) ||
    (Promise && getTag(Promise.resolve()) != promiseTag) ||
    (Set && getTag(new Set) != setTag) ||
    (WeakMap && getTag(new WeakMap) != weakMapTag)) {
  getTag = function(value) {
    var result = baseGetTag(value),
        Ctor = result == objectTag ? value.constructor : undefined,
        ctorString = Ctor ? toSource(Ctor) : '';

    if (ctorString) {
      switch (ctorString) {
        case dataViewCtorString: return dataViewTag;
        case mapCtorString: return mapTag;
        case promiseCtorString: return promiseTag;
        case setCtorString: return setTag;
        case weakMapCtorString: return weakMapTag;
      }
    }
    return result;
  };
}

/**
 * Checks if `value` is a valid array-like index.
 *
 * @private
 * @param {*} value The value to check.
 * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
 * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
 */
function isIndex(value, length) {
  length = length == null ? MAX_SAFE_INTEGER : length;
  return !!length &&
    (typeof value == 'number' || reIsUint.test(value)) &&
    (value > -1 && value % 1 == 0 && value < length);
}

/**
 * Checks if `value` is suitable for use as unique object key.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
 */
function isKeyable(value) {
  var type = typeof value;
  return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
    ? (value !== '__proto__')
    : (value === null);
}

/**
 * Checks if `func` has its source masked.
 *
 * @private
 * @param {Function} func The function to check.
 * @returns {boolean} Returns `true` if `func` is masked, else `false`.
 */
function isMasked(func) {
  return !!maskSrcKey && (maskSrcKey in func);
}

/**
 * Checks if `value` is likely a prototype object.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
 */
function isPrototype(value) {
  var Ctor = value && value.constructor,
      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;

  return value === proto;
}

/**
 * Converts `value` to a string using `Object.prototype.toString`.
 *
 * @private
 * @param {*} value The value to convert.
 * @returns {string} Returns the converted string.
 */
function objectToString(value) {
  return nativeObjectToString.call(value);
}

/**
 * Converts `func` to its source code.
 *
 * @private
 * @param {Function} func The function to convert.
 * @returns {string} Returns the source code.
 */
function toSource(func) {
  if (func != null) {
    try {
      return funcToString.call(func);
    } catch (e) {}
    try {
      return (func + '');
    } catch (e) {}
  }
  return '';
}

/**
 * Performs a
 * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
 * comparison between two values to determine if they are equivalent.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to compare.
 * @param {*} other The other value to compare.
 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
 * @example
 *
 * var object = { 'a': 1 };
 * var other = { 'a': 1 };
 *
 * _.eq(object, object);
 * // => true
 *
 * _.eq(object, other);
 * // => false
 *
 * _.eq('a', 'a');
 * // => true
 *
 * _.eq('a', Object('a'));
 * // => false
 *
 * _.eq(NaN, NaN);
 * // => true
 */
function eq(value, other) {
  return value === other || (value !== value && other !== other);
}

/**
 * Checks if `value` is likely an `arguments` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an `arguments` object,
 *  else `false`.
 * @example
 *
 * _.isArguments(function() { return arguments; }());
 * // => true
 *
 * _.isArguments([1, 2, 3]);
 * // => false
 */
var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
  return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
    !propertyIsEnumerable.call(value, 'callee');
};

/**
 * Checks if `value` is classified as an `Array` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an array, else `false`.
 * @example
 *
 * _.isArray([1, 2, 3]);
 * // => true
 *
 * _.isArray(document.body.children);
 * // => false
 *
 * _.isArray('abc');
 * // => false
 *
 * _.isArray(_.noop);
 * // => false
 */
var isArray = Array.isArray;

/**
 * Checks if `value` is array-like. A value is considered array-like if it's
 * not a function and has a `value.length` that's an integer greater than or
 * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
 * @example
 *
 * _.isArrayLike([1, 2, 3]);
 * // => true
 *
 * _.isArrayLike(document.body.children);
 * // => true
 *
 * _.isArrayLike('abc');
 * // => true
 *
 * _.isArrayLike(_.noop);
 * // => false
 */
function isArrayLike(value) {
  return value != null && isLength(value.length) && !isFunction(value);
}

/**
 * Checks if `value` is a buffer.
 *
 * @static
 * @memberOf _
 * @since 4.3.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
 * @example
 *
 * _.isBuffer(new Buffer(2));
 * // => true
 *
 * _.isBuffer(new Uint8Array(2));
 * // => false
 */
var isBuffer = nativeIsBuffer || stubFalse;

/**
 * Performs a deep comparison between two values to determine if they are
 * equivalent.
 *
 * **Note:** This method supports comparing arrays, array buffers, booleans,
 * date objects, error objects, maps, numbers, `Object` objects, regexes,
 * sets, strings, symbols, and typed arrays. `Object` objects are compared
 * by their own, not inherited, enumerable properties. Functions and DOM
 * nodes are compared by strict equality, i.e. `===`.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to compare.
 * @param {*} other The other value to compare.
 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
 * @example
 *
 * var object = { 'a': 1 };
 * var other = { 'a': 1 };
 *
 * _.isEqual(object, other);
 * // => true
 *
 * object === other;
 * // => false
 */
function isEqual(value, other) {
  return baseIsEqual(value, other);
}

/**
 * Checks if `value` is classified as a `Function` object.
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a function, else `false`.
 * @example
 *
 * _.isFunction(_);
 * // => true
 *
 * _.isFunction(/abc/);
 * // => false
 */
function isFunction(value) {
  if (!isObject(value)) {
    return false;
  }
  // The use of `Object#toString` avoids issues with the `typeof` operator
  // in Safari 9 which returns 'object' for typed arrays and other constructors.
  var tag = baseGetTag(value);
  return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
}

/**
 * Checks if `value` is a valid array-like length.
 *
 * **Note:** This method is loosely based on
 * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
 * @example
 *
 * _.isLength(3);
 * // => true
 *
 * _.isLength(Number.MIN_VALUE);
 * // => false
 *
 * _.isLength(Infinity);
 * // => false
 *
 * _.isLength('3');
 * // => false
 */
function isLength(value) {
  return typeof value == 'number' &&
    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
}

/**
 * Checks if `value` is the
 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @since 0.1.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(_.noop);
 * // => true
 *
 * _.isObject(null);
 * // => false
 */
function isObject(value) {
  var type = typeof value;
  return value != null && (type == 'object' || type == 'function');
}

/**
 * Checks if `value` is object-like. A value is object-like if it's not `null`
 * and has a `typeof` result of "object".
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 * @example
 *
 * _.isObjectLike({});
 * // => true
 *
 * _.isObjectLike([1, 2, 3]);
 * // => true
 *
 * _.isObjectLike(_.noop);
 * // => false
 *
 * _.isObjectLike(null);
 * // => false
 */
function isObjectLike(value) {
  return value != null && typeof value == 'object';
}

/**
 * Checks if `value` is classified as a typed array.
 *
 * @static
 * @memberOf _
 * @since 3.0.0
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
 * @example
 *
 * _.isTypedArray(new Uint8Array);
 * // => true
 *
 * _.isTypedArray([]);
 * // => false
 */
var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;

/**
 * Creates an array of the own enumerable property names of `object`.
 *
 * **Note:** Non-object values are coerced to objects. See the
 * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
 * for more details.
 *
 * @static
 * @since 0.1.0
 * @memberOf _
 * @category Object
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 * @example
 *
 * function Foo() {
 *   this.a = 1;
 *   this.b = 2;
 * }
 *
 * Foo.prototype.c = 3;
 *
 * _.keys(new Foo);
 * // => ['a', 'b'] (iteration order is not guaranteed)
 *
 * _.keys('hi');
 * // => ['0', '1']
 */
function keys(object) {
  return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
}

/**
 * This method returns a new empty array.
 *
 * @static
 * @memberOf _
 * @since 4.13.0
 * @category Util
 * @returns {Array} Returns the new empty array.
 * @example
 *
 * var arrays = _.times(2, _.stubArray);
 *
 * console.log(arrays);
 * // => [[], []]
 *
 * console.log(arrays[0] === arrays[1]);
 * // => false
 */
function stubArray() {
  return [];
}

/**
 * This method returns `false`.
 *
 * @static
 * @memberOf _
 * @since 4.13.0
 * @category Util
 * @returns {boolean} Returns `false`.
 * @example
 *
 * _.times(2, _.stubFalse);
 * // => [false, false]
 */
function stubFalse() {
  return false;
}

module.exports = isEqual;


/***/ }),

/***/ 38943:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";
/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */



var ReactPropTypesSecret = __webpack_require__(77913);

function emptyFunction() {}
function emptyFunctionWithReset() {}
emptyFunctionWithReset.resetWarningCache = emptyFunction;

module.exports = function() {
  function shim(props, propName, componentName, location, propFullName, secret) {
    if (secret === ReactPropTypesSecret) {
      // It is still safe when called from React.
      return;
    }
    var err = new Error(
      'Calling PropTypes validators directly is not supported by the `prop-types` package. ' +
      'Use PropTypes.checkPropTypes() to call them. ' +
      'Read more at http://fb.me/use-check-prop-types'
    );
    err.name = 'Invariant Violation';
    throw err;
  };
  shim.isRequired = shim;
  function getShim() {
    return shim;
  };
  // Important!
  // Keep this list in sync with production version in `./factoryWithTypeCheckers.js`.
  var ReactPropTypes = {
    array: shim,
    bigint: shim,
    bool: shim,
    func: shim,
    number: shim,
    object: shim,
    string: shim,
    symbol: shim,

    any: shim,
    arrayOf: getShim,
    element: shim,
    elementType: shim,
    instanceOf: getShim,
    node: shim,
    objectOf: getShim,
    oneOf: getShim,
    oneOfType: getShim,
    shape: getShim,
    exact: getShim,

    checkPropTypes: emptyFunctionWithReset,
    resetWarningCache: emptyFunction
  };

  ReactPropTypes.PropTypes = ReactPropTypes;

  return ReactPropTypes;
};


/***/ }),

/***/ 3660:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

if (false) { var throwOnDirectAccess, ReactIs; } else {
  // By explicitly using `prop-types` you are opting into new production behavior.
  // http://fb.me/prop-types-in-prod
  module.exports = __webpack_require__(38943)();
}


/***/ }),

/***/ 77913:
/***/ ((module) => {

"use strict";
/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */



var ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';

module.exports = ReactPropTypesSecret;


/***/ }),

/***/ 53052:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
var ace_builds_1 = __webpack_require__(50350);
var PropTypes = __webpack_require__(3660);
var React = __webpack_require__(70846);
var isEqual = __webpack_require__(48507);
var editorOptions_1 = __webpack_require__(26275);
var ace = (0, editorOptions_1.getAceInstance)();
var ReactAce = /** @class */ (function (_super) {
    __extends(ReactAce, _super);
    function ReactAce(props) {
        var _this = _super.call(this, props) || this;
        editorOptions_1.editorEvents.forEach(function (method) {
            _this[method] = _this[method].bind(_this);
        });
        _this.debounce = editorOptions_1.debounce;
        return _this;
    }
    ReactAce.prototype.isInShadow = function (node) {
        var parent = node && node.parentNode;
        while (parent) {
            if (parent.toString() === "[object ShadowRoot]") {
                return true;
            }
            parent = parent.parentNode;
        }
        return false;
    };
    ReactAce.prototype.componentDidMount = function () {
        var _this = this;
        var _a = this.props, className = _a.className, onBeforeLoad = _a.onBeforeLoad, onValidate = _a.onValidate, mode = _a.mode, focus = _a.focus, theme = _a.theme, fontSize = _a.fontSize, value = _a.value, defaultValue = _a.defaultValue, showGutter = _a.showGutter, wrapEnabled = _a.wrapEnabled, showPrintMargin = _a.showPrintMargin, _b = _a.scrollMargin, scrollMargin = _b === void 0 ? [0, 0, 0, 0] : _b, keyboardHandler = _a.keyboardHandler, onLoad = _a.onLoad, commands = _a.commands, annotations = _a.annotations, markers = _a.markers, placeholder = _a.placeholder;
        this.editor = ace.edit(this.refEditor);
        if (onBeforeLoad) {
            onBeforeLoad(ace);
        }
        var editorProps = Object.keys(this.props.editorProps);
        for (var i = 0; i < editorProps.length; i++) {
            this.editor[editorProps[i]] = this.props.editorProps[editorProps[i]];
        }
        if (this.props.debounceChangePeriod) {
            this.onChange = this.debounce(this.onChange, this.props.debounceChangePeriod);
        }
        this.editor.renderer.setScrollMargin(scrollMargin[0], scrollMargin[1], scrollMargin[2], scrollMargin[3]);
        if (this.isInShadow(this.refEditor)) {
            this.editor.renderer.attachToShadowRoot();
        }
        this.editor
            .getSession()
            .setMode(typeof mode === "string" ? "ace/mode/".concat(mode) : mode);
        if (theme && theme !== "")
            this.editor.setTheme("ace/theme/".concat(theme));
        this.editor.setFontSize(typeof fontSize === "number" ? "".concat(fontSize, "px") : fontSize);
        this.editor
            .getSession()
            .setValue(!defaultValue ? value || "" : defaultValue);
        if (this.props.navigateToFileEnd) {
            this.editor.navigateFileEnd();
        }
        this.editor.renderer.setShowGutter(showGutter);
        this.editor.getSession().setUseWrapMode(wrapEnabled);
        this.editor.setShowPrintMargin(showPrintMargin);
        this.editor.on("focus", this.onFocus);
        this.editor.on("blur", this.onBlur);
        this.editor.on("copy", this.onCopy);
        this.editor.on("paste", this.onPaste);
        this.editor.on("change", this.onChange);
        this.editor.on("input", this.onInput);
        if (placeholder) {
            this.updatePlaceholder();
        }
        this.editor
            .getSession()
            .selection.on("changeSelection", this.onSelectionChange);
        this.editor.getSession().selection.on("changeCursor", this.onCursorChange);
        if (onValidate) {
            // @ts-ignore types don't include
            this.editor.getSession().on("changeAnnotation", function () {
                // tslint:disable-next-line:no-shadowed-variable
                var annotations = _this.editor.getSession().getAnnotations();
                _this.props.onValidate(annotations);
            });
        }
        this.editor.session.on("changeScrollTop", this.onScroll);
        this.editor.getSession().setAnnotations(annotations || []);
        if (markers && markers.length > 0) {
            this.handleMarkers(markers);
        }
        // get a list of possible options to avoid 'misspelled option errors'
        var availableOptions = this.editor.$options;
        editorOptions_1.editorOptions.forEach(function (option) {
            if (availableOptions.hasOwnProperty(option)) {
                // @ts-ignore
                _this.editor.setOption(option, _this.props[option]);
            }
            else if (_this.props[option]) {
                console.warn("ReactAce: editor option ".concat(option, " was activated but not found. Did you need to import a related tool or did you possibly mispell the option?"));
            }
        });
        this.handleOptions(this.props);
        if (Array.isArray(commands)) {
            commands.forEach(function (command) {
                if (typeof command.exec === "string") {
                    _this.editor.commands.bindKey(command.bindKey, command.exec);
                }
                else {
                    _this.editor.commands.addCommand(command);
                }
            });
        }
        if (keyboardHandler) {
            this.editor.setKeyboardHandler("ace/keyboard/" + keyboardHandler);
        }
        if (className) {
            this.refEditor.className += " " + className;
        }
        if (onLoad) {
            onLoad(this.editor);
        }
        this.editor.resize();
        if (focus) {
            this.editor.focus();
        }
    };
    ReactAce.prototype.componentDidUpdate = function (prevProps) {
        var oldProps = prevProps;
        var nextProps = this.props;
        for (var i = 0; i < editorOptions_1.editorOptions.length; i++) {
            var option = editorOptions_1.editorOptions[i];
            if (nextProps[option] !== oldProps[option]) {
                // @ts-ignore
                this.editor.setOption(option, nextProps[option]);
            }
        }
        if (nextProps.className !== oldProps.className) {
            var appliedClasses = this.refEditor.className;
            var appliedClassesArray_1 = appliedClasses.trim().split(" ");
            var oldClassesArray = oldProps.className.trim().split(" ");
            oldClassesArray.forEach(function (oldClass) {
                var index = appliedClassesArray_1.indexOf(oldClass);
                appliedClassesArray_1.splice(index, 1);
            });
            this.refEditor.className =
                " " + nextProps.className + " " + appliedClassesArray_1.join(" ");
        }
        // First process editor value, as it may create a new session (see issue #300)
        var valueChanged = this.editor &&
            nextProps.value != null &&
            this.editor.getValue() !== nextProps.value;
        if (valueChanged) {
            // editor.setValue is a synchronous function call, change event is emitted before setValue return.
            this.silent = true;
            var pos = this.editor.session.selection.toJSON();
            this.editor.setValue(nextProps.value, nextProps.cursorStart);
            this.editor.session.selection.fromJSON(pos);
            this.silent = false;
        }
        if (nextProps.placeholder !== oldProps.placeholder) {
            this.updatePlaceholder();
        }
        if (nextProps.mode !== oldProps.mode) {
            this.editor
                .getSession()
                .setMode(typeof nextProps.mode === "string"
                ? "ace/mode/".concat(nextProps.mode)
                : nextProps.mode);
        }
        if (nextProps.theme !== oldProps.theme) {
            this.editor.setTheme("ace/theme/" + nextProps.theme);
        }
        if (nextProps.keyboardHandler !== oldProps.keyboardHandler) {
            if (nextProps.keyboardHandler) {
                this.editor.setKeyboardHandler("ace/keyboard/" + nextProps.keyboardHandler);
            }
            else {
                this.editor.setKeyboardHandler(null);
            }
        }
        if (nextProps.fontSize !== oldProps.fontSize) {
            this.editor.setFontSize(typeof nextProps.fontSize === "number"
                ? "".concat(nextProps.fontSize, "px")
                : nextProps.fontSize);
        }
        if (nextProps.wrapEnabled !== oldProps.wrapEnabled) {
            this.editor.getSession().setUseWrapMode(nextProps.wrapEnabled);
        }
        if (nextProps.showPrintMargin !== oldProps.showPrintMargin) {
            this.editor.setShowPrintMargin(nextProps.showPrintMargin);
        }
        if (nextProps.showGutter !== oldProps.showGutter) {
            this.editor.renderer.setShowGutter(nextProps.showGutter);
        }
        if (!isEqual(nextProps.setOptions, oldProps.setOptions)) {
            this.handleOptions(nextProps);
        }
        // if the value or annotations changed, set the annotations
        // changing the value may create create a new session which will require annotations to be re-set
        if (valueChanged || !isEqual(nextProps.annotations, oldProps.annotations)) {
            this.editor.getSession().setAnnotations(nextProps.annotations || []);
        }
        if (!isEqual(nextProps.markers, oldProps.markers) &&
            Array.isArray(nextProps.markers)) {
            this.handleMarkers(nextProps.markers);
        }
        // this doesn't look like it works at all....
        if (!isEqual(nextProps.scrollMargin, oldProps.scrollMargin)) {
            this.handleScrollMargins(nextProps.scrollMargin);
        }
        if (prevProps.height !== this.props.height ||
            prevProps.width !== this.props.width) {
            this.editor.resize();
        }
        if (this.props.focus && !prevProps.focus) {
            this.editor.focus();
        }
    };
    ReactAce.prototype.handleScrollMargins = function (margins) {
        if (margins === void 0) { margins = [0, 0, 0, 0]; }
        this.editor.renderer.setScrollMargin(margins[0], margins[1], margins[2], margins[3]);
    };
    ReactAce.prototype.componentWillUnmount = function () {
        if (this.editor) {
            this.editor.destroy();
            this.editor = null;
        }
    };
    ReactAce.prototype.onChange = function (event) {
        if (this.props.onChange && !this.silent) {
            var value = this.editor.getValue();
            this.props.onChange(value, event);
        }
    };
    ReactAce.prototype.onSelectionChange = function (event) {
        if (this.props.onSelectionChange) {
            var value = this.editor.getSelection();
            this.props.onSelectionChange(value, event);
        }
    };
    ReactAce.prototype.onCursorChange = function (event) {
        if (this.props.onCursorChange) {
            var value = this.editor.getSelection();
            this.props.onCursorChange(value, event);
        }
    };
    ReactAce.prototype.onInput = function (event) {
        if (this.props.onInput) {
            this.props.onInput(event);
        }
        if (this.props.placeholder) {
            this.updatePlaceholder();
        }
    };
    ReactAce.prototype.onFocus = function (event) {
        if (this.props.onFocus) {
            this.props.onFocus(event, this.editor);
        }
    };
    ReactAce.prototype.onBlur = function (event) {
        if (this.props.onBlur) {
            this.props.onBlur(event, this.editor);
        }
    };
    ReactAce.prototype.onCopy = function (_a) {
        var text = _a.text;
        if (this.props.onCopy) {
            this.props.onCopy(text);
        }
    };
    ReactAce.prototype.onPaste = function (_a) {
        var text = _a.text;
        if (this.props.onPaste) {
            this.props.onPaste(text);
        }
    };
    ReactAce.prototype.onScroll = function () {
        if (this.props.onScroll) {
            this.props.onScroll(this.editor);
        }
    };
    ReactAce.prototype.handleOptions = function (props) {
        var setOptions = Object.keys(props.setOptions);
        for (var y = 0; y < setOptions.length; y++) {
            // @ts-ignore
            this.editor.setOption(setOptions[y], props.setOptions[setOptions[y]]);
        }
    };
    ReactAce.prototype.handleMarkers = function (markers) {
        var _this = this;
        // remove foreground markers
        var currentMarkers = this.editor.getSession().getMarkers(true);
        for (var i in currentMarkers) {
            if (currentMarkers.hasOwnProperty(i)) {
                this.editor.getSession().removeMarker(currentMarkers[i].id);
            }
        }
        // remove background markers except active line marker and selected word marker
        currentMarkers = this.editor.getSession().getMarkers(false);
        for (var i in currentMarkers) {
            if (currentMarkers.hasOwnProperty(i) &&
                currentMarkers[i].clazz !== "ace_active-line" &&
                currentMarkers[i].clazz !== "ace_selected-word") {
                this.editor.getSession().removeMarker(currentMarkers[i].id);
            }
        }
        // add new markers
        markers.forEach(function (_a) {
            var startRow = _a.startRow, startCol = _a.startCol, endRow = _a.endRow, endCol = _a.endCol, className = _a.className, type = _a.type, _b = _a.inFront, inFront = _b === void 0 ? false : _b;
            var range = new ace_builds_1.Range(startRow, startCol, endRow, endCol);
            _this.editor.getSession().addMarker(range, className, type, inFront);
        });
    };
    ReactAce.prototype.updatePlaceholder = function () {
        // Adapted from https://stackoverflow.com/questions/26695708/how-can-i-add-placeholder-text-when-the-editor-is-empty
        var editor = this.editor;
        var placeholder = this.props.placeholder;
        var showPlaceholder = !editor.session.getValue().length;
        var node = editor.renderer.placeholderNode;
        if (!showPlaceholder && node) {
            editor.renderer.scroller.removeChild(editor.renderer.placeholderNode);
            editor.renderer.placeholderNode = null;
        }
        else if (showPlaceholder && !node) {
            node = editor.renderer.placeholderNode = document.createElement("div");
            node.textContent = placeholder || "";
            node.className = "ace_comment ace_placeholder";
            node.style.padding = "0 9px";
            node.style.position = "absolute";
            node.style.zIndex = "3";
            editor.renderer.scroller.appendChild(node);
        }
        else if (showPlaceholder && node) {
            node.textContent = placeholder;
        }
    };
    ReactAce.prototype.updateRef = function (item) {
        this.refEditor = item;
    };
    ReactAce.prototype.render = function () {
        var _a = this.props, name = _a.name, width = _a.width, height = _a.height, style = _a.style;
        var divStyle = __assign({ width: width, height: height }, style);
        return React.createElement("div", { ref: this.updateRef, id: name, style: divStyle });
    };
    ReactAce.propTypes = {
        mode: PropTypes.oneOfType([PropTypes.string, PropTypes.object]),
        focus: PropTypes.bool,
        theme: PropTypes.string,
        name: PropTypes.string,
        className: PropTypes.string,
        height: PropTypes.string,
        width: PropTypes.string,
        fontSize: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
        showGutter: PropTypes.bool,
        onChange: PropTypes.func,
        onCopy: PropTypes.func,
        onPaste: PropTypes.func,
        onFocus: PropTypes.func,
        onInput: PropTypes.func,
        onBlur: PropTypes.func,
        onScroll: PropTypes.func,
        value: PropTypes.string,
        defaultValue: PropTypes.string,
        onLoad: PropTypes.func,
        onSelectionChange: PropTypes.func,
        onCursorChange: PropTypes.func,
        onBeforeLoad: PropTypes.func,
        onValidate: PropTypes.func,
        minLines: PropTypes.number,
        maxLines: PropTypes.number,
        readOnly: PropTypes.bool,
        highlightActiveLine: PropTypes.bool,
        tabSize: PropTypes.number,
        showPrintMargin: PropTypes.bool,
        cursorStart: PropTypes.number,
        debounceChangePeriod: PropTypes.number,
        editorProps: PropTypes.object,
        setOptions: PropTypes.object,
        style: PropTypes.object,
        scrollMargin: PropTypes.array,
        annotations: PropTypes.array,
        markers: PropTypes.array,
        keyboardHandler: PropTypes.string,
        wrapEnabled: PropTypes.bool,
        enableSnippets: PropTypes.bool,
        enableBasicAutocompletion: PropTypes.oneOfType([
            PropTypes.bool,
            PropTypes.array
        ]),
        enableLiveAutocompletion: PropTypes.oneOfType([
            PropTypes.bool,
            PropTypes.array
        ]),
        navigateToFileEnd: PropTypes.bool,
        commands: PropTypes.array,
        placeholder: PropTypes.string
    };
    ReactAce.defaultProps = {
        name: "ace-editor",
        focus: false,
        mode: "",
        theme: "",
        height: "500px",
        width: "500px",
        fontSize: 12,
        enableSnippets: false,
        showGutter: true,
        onChange: null,
        onPaste: null,
        onLoad: null,
        onScroll: null,
        minLines: null,
        maxLines: null,
        readOnly: false,
        highlightActiveLine: true,
        showPrintMargin: true,
        tabSize: 4,
        cursorStart: 1,
        editorProps: {},
        style: {},
        scrollMargin: [0, 0, 0, 0],
        setOptions: {},
        wrapEnabled: false,
        enableBasicAutocompletion: false,
        enableLiveAutocompletion: false,
        placeholder: null,
        navigateToFileEnd: true
    };
    return ReactAce;
}(React.Component));
exports["default"] = ReactAce;


/***/ }),

/***/ 20331:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", ({ value: true }));
var PropTypes = __webpack_require__(3660);
var React = __webpack_require__(70846);
var split_1 = __webpack_require__(74014);
var DiffMatchPatch = __webpack_require__(3417);
var DiffComponent = /** @class */ (function (_super) {
    __extends(DiffComponent, _super);
    function DiffComponent(props) {
        var _this = _super.call(this, props) || this;
        _this.state = {
            value: _this.props.value
        };
        _this.onChange = _this.onChange.bind(_this);
        _this.diff = _this.diff.bind(_this);
        return _this;
    }
    DiffComponent.prototype.componentDidUpdate = function () {
        var value = this.props.value;
        if (value !== this.state.value) {
            this.setState({ value: value });
        }
    };
    DiffComponent.prototype.onChange = function (value) {
        this.setState({
            value: value
        });
        if (this.props.onChange) {
            this.props.onChange(value);
        }
    };
    DiffComponent.prototype.diff = function () {
        var dmp = new DiffMatchPatch();
        var lhString = this.state.value[0];
        var rhString = this.state.value[1];
        if (lhString.length === 0 && rhString.length === 0) {
            return [];
        }
        var diff = dmp.diff_main(lhString, rhString);
        dmp.diff_cleanupSemantic(diff);
        var diffedLines = this.generateDiffedLines(diff);
        var codeEditorSettings = this.setCodeMarkers(diffedLines);
        return codeEditorSettings;
    };
    DiffComponent.prototype.generateDiffedLines = function (diff) {
        var C = {
            DIFF_EQUAL: 0,
            DIFF_DELETE: -1,
            DIFF_INSERT: 1
        };
        var diffedLines = {
            left: [],
            right: []
        };
        var cursor = {
            left: 1,
            right: 1
        };
        diff.forEach(function (chunk) {
            var chunkType = chunk[0];
            var text = chunk[1];
            var lines = text.split("\n").length - 1;
            // diff-match-patch sometimes returns empty strings at random
            if (text.length === 0) {
                return;
            }
            var firstChar = text[0];
            var lastChar = text[text.length - 1];
            var linesToHighlight = 0;
            switch (chunkType) {
                case C.DIFF_EQUAL:
                    cursor.left += lines;
                    cursor.right += lines;
                    break;
                case C.DIFF_DELETE:
                    // If the deletion starts with a newline, push the cursor down to that line
                    if (firstChar === "\n") {
                        cursor.left++;
                        lines--;
                    }
                    linesToHighlight = lines;
                    // If the deletion does not include a newline, highlight the same line on the right
                    if (linesToHighlight === 0) {
                        diffedLines.right.push({
                            startLine: cursor.right,
                            endLine: cursor.right
                        });
                    }
                    // If the last character is a newline, we don't want to highlight that line
                    if (lastChar === "\n") {
                        linesToHighlight -= 1;
                    }
                    diffedLines.left.push({
                        startLine: cursor.left,
                        endLine: cursor.left + linesToHighlight
                    });
                    cursor.left += lines;
                    break;
                case C.DIFF_INSERT:
                    // If the insertion starts with a newline, push the cursor down to that line
                    if (firstChar === "\n") {
                        cursor.right++;
                        lines--;
                    }
                    linesToHighlight = lines;
                    // If the insertion does not include a newline, highlight the same line on the left
                    if (linesToHighlight === 0) {
                        diffedLines.left.push({
                            startLine: cursor.left,
                            endLine: cursor.left
                        });
                    }
                    // If the last character is a newline, we don't want to highlight that line
                    if (lastChar === "\n") {
                        linesToHighlight -= 1;
                    }
                    diffedLines.right.push({
                        startLine: cursor.right,
                        endLine: cursor.right + linesToHighlight
                    });
                    cursor.right += lines;
                    break;
                default:
                    throw new Error("Diff type was not defined.");
            }
        });
        return diffedLines;
    };
    // Receives a collection of line numbers and iterates through them to highlight appropriately
    // Returns an object that tells the render() method how to display the code editors
    DiffComponent.prototype.setCodeMarkers = function (diffedLines) {
        if (diffedLines === void 0) { diffedLines = { left: [], right: [] }; }
        var codeEditorSettings = [];
        var newMarkerSet = {
            left: [],
            right: []
        };
        for (var i = 0; i < diffedLines.left.length; i++) {
            var markerObj = {
                startRow: diffedLines.left[i].startLine - 1,
                endRow: diffedLines.left[i].endLine,
                type: "text",
                className: "codeMarker"
            };
            newMarkerSet.left.push(markerObj);
        }
        for (var i = 0; i < diffedLines.right.length; i++) {
            var markerObj = {
                startRow: diffedLines.right[i].startLine - 1,
                endRow: diffedLines.right[i].endLine,
                type: "text",
                className: "codeMarker"
            };
            newMarkerSet.right.push(markerObj);
        }
        codeEditorSettings[0] = newMarkerSet.left;
        codeEditorSettings[1] = newMarkerSet.right;
        return codeEditorSettings;
    };
    DiffComponent.prototype.render = function () {
        var markers = this.diff();
        return (React.createElement(split_1.default, { name: this.props.name, className: this.props.className, focus: this.props.focus, orientation: this.props.orientation, splits: this.props.splits, mode: this.props.mode, theme: this.props.theme, height: this.props.height, width: this.props.width, fontSize: this.props.fontSize, showGutter: this.props.showGutter, onChange: this.onChange, onPaste: this.props.onPaste, onLoad: this.props.onLoad, onScroll: this.props.onScroll, minLines: this.props.minLines, maxLines: this.props.maxLines, readOnly: this.props.readOnly, highlightActiveLine: this.props.highlightActiveLine, showPrintMargin: this.props.showPrintMargin, tabSize: this.props.tabSize, cursorStart: this.props.cursorStart, editorProps: this.props.editorProps, style: this.props.style, scrollMargin: this.props.scrollMargin, setOptions: this.props.setOptions, wrapEnabled: this.props.wrapEnabled, enableBasicAutocompletion: this.props.enableBasicAutocompletion, enableLiveAutocompletion: this.props.enableLiveAutocompletion, value: this.state.value, markers: markers }));
    };
    DiffComponent.propTypes = {
        cursorStart: PropTypes.number,
        editorProps: PropTypes.object,
        enableBasicAutocompletion: PropTypes.bool,
        enableLiveAutocompletion: PropTypes.bool,
        focus: PropTypes.bool,
        fontSize: PropTypes.number,
        height: PropTypes.string,
        highlightActiveLine: PropTypes.bool,
        maxLines: PropTypes.number,
        minLines: PropTypes.number,
        mode: PropTypes.string,
        name: PropTypes.string,
        className: PropTypes.string,
        onLoad: PropTypes.func,
        onPaste: PropTypes.func,
        onScroll: PropTypes.func,
        onChange: PropTypes.func,
        orientation: PropTypes.string,
        readOnly: PropTypes.bool,
        scrollMargin: PropTypes.array,
        setOptions: PropTypes.object,
        showGutter: PropTypes.bool,
        showPrintMargin: PropTypes.bool,
        splits: PropTypes.number,
        style: PropTypes.object,
        tabSize: PropTypes.number,
        theme: PropTypes.string,
        value: PropTypes.array,
        width: PropTypes.string,
        wrapEnabled: PropTypes.bool
    };
    DiffComponent.defaultProps = {
        cursorStart: 1,
        editorProps: {},
        enableBasicAutocompletion: false,
        enableLiveAutocompletion: false,
        focus: false,
        fontSize: 12,
        height: "500px",
        highlightActiveLine: true,
        maxLines: null,
        minLines: null,
        mode: "",
        name: "ace-editor",
        onLoad: null,
        onScroll: null,
        onPaste: null,
        onChange: null,
        orientation: "beside",
        readOnly: false,
        scrollMargin: [0, 0, 0, 0],
        setOptions: {},
        showGutter: true,
        showPrintMargin: true,
        splits: 2,
        style: {},
        tabSize: 4,
        theme: "github",
        value: ["", ""],
        width: "500px",
        wrapEnabled: true
    };
    return DiffComponent;
}(React.Component));
exports["default"] = DiffComponent;


/***/ }),

/***/ 26275:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";

Object.defineProperty(exports, "__esModule", ({ value: true }));
exports.getAceInstance = exports.debounce = exports.editorEvents = exports.editorOptions = void 0;
var editorOptions = [
    "minLines",
    "maxLines",
    "readOnly",
    "highlightActiveLine",
    "tabSize",
    "enableBasicAutocompletion",
    "enableLiveAutocompletion",
    "enableSnippets"
];
exports.editorOptions = editorOptions;
var editorEvents = [
    "onChange",
    "onFocus",
    "onInput",
    "onBlur",
    "onCopy",
    "onPaste",
    "onSelectionChange",
    "onCursorChange",
    "onScroll",
    "handleOptions",
    "updateRef"
];
exports.editorEvents = editorEvents;
var getAceInstance = function () {
    var ace;
    if (typeof window === "undefined") {
        // ace-builds just needs some window object to attach ace to.
        // During SSR even just an empty object will work.
        __webpack_require__.g.window = {};
        ace = __webpack_require__(50350);
        // And it can be discarded immediately afterward to avoid confusing
        // other libraries that might detect SSR the same way we did.
        delete __webpack_require__.g.window;
    }
    else if (window.ace) {
        // Fallback for ace.require when vanilla ACE is hosted over a CDN
        ace = window.ace;
        ace.acequire = window.ace.require || window.ace.acequire;
    }
    else {
        ace = __webpack_require__(50350);
    }
    return ace;
};
exports.getAceInstance = getAceInstance;
var debounce = function (fn, delay) {
    var timer = null;
    // tslint:disable-next-line
    return function () {
        var context = this;
        var args = arguments;
        clearTimeout(timer);
        timer = setTimeout(function () {
            fn.apply(context, args);
        }, delay);
    };
};
exports.debounce = debounce;


/***/ }),

/***/ 90837:
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {

"use strict";
var __webpack_unused_export__;

__webpack_unused_export__ = ({ value: true });
__webpack_unused_export__ = __webpack_unused_export__ = void 0;
var ace_1 = __webpack_require__(53052);
var diff_1 = __webpack_require__(20331);
__webpack_unused_export__ = diff_1.default;
var split_1 = __webpack_require__(74014);
__webpack_unused_export__ = split_1.default;
exports.ZP = ace_1.default;


/***/ }),

/***/ 74014:
/***/ (function(__unused_webpack_module, exports, __webpack_require__) {

"use strict";

var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", ({ value: true }));
var editorOptions_1 = __webpack_require__(26275);
var ace = (0, editorOptions_1.getAceInstance)();
var ace_builds_1 = __webpack_require__(50350);
var ext_split_1 = __webpack_require__(99620);
var PropTypes = __webpack_require__(3660);
var React = __webpack_require__(70846);
var isEqual = __webpack_require__(48507);
var get = __webpack_require__(42916);
var SplitComponent = /** @class */ (function (_super) {
    __extends(SplitComponent, _super);
    function SplitComponent(props) {
        var _this = _super.call(this, props) || this;
        editorOptions_1.editorEvents.forEach(function (method) {
            _this[method] = _this[method].bind(_this);
        });
        _this.debounce = editorOptions_1.debounce;
        return _this;
    }
    SplitComponent.prototype.isInShadow = function (node) {
        var parent = node && node.parentNode;
        while (parent) {
            if (parent.toString() === "[object ShadowRoot]") {
                return true;
            }
            parent = parent.parentNode;
        }
        return false;
    };
    SplitComponent.prototype.componentDidMount = function () {
        var _this = this;
        var _a = this.props, className = _a.className, onBeforeLoad = _a.onBeforeLoad, mode = _a.mode, focus = _a.focus, theme = _a.theme, fontSize = _a.fontSize, value = _a.value, defaultValue = _a.defaultValue, cursorStart = _a.cursorStart, showGutter = _a.showGutter, wrapEnabled = _a.wrapEnabled, showPrintMargin = _a.showPrintMargin, _b = _a.scrollMargin, scrollMargin = _b === void 0 ? [0, 0, 0, 0] : _b, keyboardHandler = _a.keyboardHandler, onLoad = _a.onLoad, commands = _a.commands, annotations = _a.annotations, markers = _a.markers, splits = _a.splits;
        this.editor = ace.edit(this.refEditor);
        if (this.isInShadow(this.refEditor)) {
            this.editor.renderer.attachToShadowRoot();
        }
        this.editor.setTheme("ace/theme/".concat(theme));
        if (onBeforeLoad) {
            onBeforeLoad(ace);
        }
        var editorProps = Object.keys(this.props.editorProps);
        var split = new ext_split_1.Split(this.editor.container, "ace/theme/".concat(theme), splits);
        this.editor.env.split = split;
        this.splitEditor = split.getEditor(0);
        this.split = split;
        // in a split scenario we don't want a print margin for the entire application
        this.editor.setShowPrintMargin(false);
        this.editor.renderer.setShowGutter(false);
        // get a list of possible options to avoid 'misspelled option errors'
        var availableOptions = this.splitEditor.$options;
        if (this.props.debounceChangePeriod) {
            this.onChange = this.debounce(this.onChange, this.props.debounceChangePeriod);
        }
        split.forEach(function (editor, index) {
            for (var i = 0; i < editorProps.length; i++) {
                editor[editorProps[i]] = _this.props.editorProps[editorProps[i]];
            }
            var defaultValueForEditor = get(defaultValue, index);
            var valueForEditor = get(value, index, "");
            editor.session.setUndoManager(new ace.UndoManager());
            editor.setTheme("ace/theme/".concat(theme));
            editor.renderer.setScrollMargin(scrollMargin[0], scrollMargin[1], scrollMargin[2], scrollMargin[3]);
            editor.getSession().setMode("ace/mode/".concat(mode));
            editor.setFontSize(fontSize);
            editor.renderer.setShowGutter(showGutter);
            editor.getSession().setUseWrapMode(wrapEnabled);
            editor.setShowPrintMargin(showPrintMargin);
            editor.on("focus", _this.onFocus);
            editor.on("blur", _this.onBlur);
            editor.on("input", _this.onInput);
            editor.on("copy", _this.onCopy);
            editor.on("paste", _this.onPaste);
            editor.on("change", _this.onChange);
            editor
                .getSession()
                .selection.on("changeSelection", _this.onSelectionChange);
            editor.getSession().selection.on("changeCursor", _this.onCursorChange);
            editor.session.on("changeScrollTop", _this.onScroll);
            editor.setValue(defaultValueForEditor === undefined
                ? valueForEditor
                : defaultValueForEditor, cursorStart);
            var newAnnotations = get(annotations, index, []);
            var newMarkers = get(markers, index, []);
            editor.getSession().setAnnotations(newAnnotations);
            if (newMarkers && newMarkers.length > 0) {
                _this.handleMarkers(newMarkers, editor);
            }
            for (var i = 0; i < editorOptions_1.editorOptions.length; i++) {
                var option = editorOptions_1.editorOptions[i];
                if (availableOptions.hasOwnProperty(option)) {
                    editor.setOption(option, _this.props[option]);
                }
                else if (_this.props[option]) {
                    console.warn("ReaceAce: editor option ".concat(option, " was activated but not found. Did you need to import a related tool or did you possibly mispell the option?"));
                }
            }
            _this.handleOptions(_this.props, editor);
            if (Array.isArray(commands)) {
                commands.forEach(function (command) {
                    if (typeof command.exec === "string") {
                        editor.commands.bindKey(command.bindKey, command.exec);
                    }
                    else {
                        editor.commands.addCommand(command);
                    }
                });
            }
            if (keyboardHandler) {
                editor.setKeyboardHandler("ace/keyboard/" + keyboardHandler);
            }
        });
        if (className) {
            this.refEditor.className += " " + className;
        }
        if (focus) {
            this.splitEditor.focus();
        }
        var sp = this.editor.env.split;
        sp.setOrientation(this.props.orientation === "below" ? sp.BELOW : sp.BESIDE);
        sp.resize(true);
        if (onLoad) {
            onLoad(sp);
        }
    };
    SplitComponent.prototype.componentDidUpdate = function (prevProps) {
        var _this = this;
        var oldProps = prevProps;
        var nextProps = this.props;
        var split = this.editor.env.split;
        if (nextProps.splits !== oldProps.splits) {
            split.setSplits(nextProps.splits);
        }
        if (nextProps.orientation !== oldProps.orientation) {
            split.setOrientation(nextProps.orientation === "below" ? split.BELOW : split.BESIDE);
        }
        split.forEach(function (editor, index) {
            if (nextProps.mode !== oldProps.mode) {
                editor.getSession().setMode("ace/mode/" + nextProps.mode);
            }
            if (nextProps.keyboardHandler !== oldProps.keyboardHandler) {
                if (nextProps.keyboardHandler) {
                    editor.setKeyboardHandler("ace/keyboard/" + nextProps.keyboardHandler);
                }
                else {
                    editor.setKeyboardHandler(null);
                }
            }
            if (nextProps.fontSize !== oldProps.fontSize) {
                editor.setFontSize(nextProps.fontSize);
            }
            if (nextProps.wrapEnabled !== oldProps.wrapEnabled) {
                editor.getSession().setUseWrapMode(nextProps.wrapEnabled);
            }
            if (nextProps.showPrintMargin !== oldProps.showPrintMargin) {
                editor.setShowPrintMargin(nextProps.showPrintMargin);
            }
            if (nextProps.showGutter !== oldProps.showGutter) {
                editor.renderer.setShowGutter(nextProps.showGutter);
            }
            for (var i = 0; i < editorOptions_1.editorOptions.length; i++) {
                var option = editorOptions_1.editorOptions[i];
                if (nextProps[option] !== oldProps[option]) {
                    editor.setOption(option, nextProps[option]);
                }
            }
            if (!isEqual(nextProps.setOptions, oldProps.setOptions)) {
                _this.handleOptions(nextProps, editor);
            }
            var nextValue = get(nextProps.value, index, "");
            if (editor.getValue() !== nextValue) {
                // editor.setValue is a synchronous function call, change event is emitted before setValue return.
                _this.silent = true;
                var pos = editor.session.selection.toJSON();
                editor.setValue(nextValue, nextProps.cursorStart);
                editor.session.selection.fromJSON(pos);
                _this.silent = false;
            }
            var newAnnotations = get(nextProps.annotations, index, []);
            var oldAnnotations = get(oldProps.annotations, index, []);
            if (!isEqual(newAnnotations, oldAnnotations)) {
                editor.getSession().setAnnotations(newAnnotations);
            }
            var newMarkers = get(nextProps.markers, index, []);
            var oldMarkers = get(oldProps.markers, index, []);
            if (!isEqual(newMarkers, oldMarkers) && Array.isArray(newMarkers)) {
                _this.handleMarkers(newMarkers, editor);
            }
        });
        if (nextProps.className !== oldProps.className) {
            var appliedClasses = this.refEditor.className;
            var appliedClassesArray_1 = appliedClasses.trim().split(" ");
            var oldClassesArray = oldProps.className.trim().split(" ");
            oldClassesArray.forEach(function (oldClass) {
                var index = appliedClassesArray_1.indexOf(oldClass);
                appliedClassesArray_1.splice(index, 1);
            });
            this.refEditor.className =
                " " + nextProps.className + " " + appliedClassesArray_1.join(" ");
        }
        if (nextProps.theme !== oldProps.theme) {
            split.setTheme("ace/theme/" + nextProps.theme);
        }
        if (nextProps.focus && !oldProps.focus) {
            this.splitEditor.focus();
        }
        if (nextProps.height !== this.props.height ||
            nextProps.width !== this.props.width) {
            this.editor.resize();
        }
    };
    SplitComponent.prototype.componentWillUnmount = function () {
        this.editor.destroy();
        this.editor = null;
    };
    SplitComponent.prototype.onChange = function (event) {
        if (this.props.onChange && !this.silent) {
            var value_1 = [];
            this.editor.env.split.forEach(function (editor) {
                value_1.push(editor.getValue());
            });
            this.props.onChange(value_1, event);
        }
    };
    SplitComponent.prototype.onSelectionChange = function (event) {
        if (this.props.onSelectionChange) {
            var value_2 = [];
            this.editor.env.split.forEach(function (editor) {
                value_2.push(editor.getSelection());
            });
            this.props.onSelectionChange(value_2, event);
        }
    };
    SplitComponent.prototype.onCursorChange = function (event) {
        if (this.props.onCursorChange) {
            var value_3 = [];
            this.editor.env.split.forEach(function (editor) {
                value_3.push(editor.getSelection());
            });
            this.props.onCursorChange(value_3, event);
        }
    };
    SplitComponent.prototype.onFocus = function (event) {
        if (this.props.onFocus) {
            this.props.onFocus(event);
        }
    };
    SplitComponent.prototype.onInput = function (event) {
        if (this.props.onInput) {
            this.props.onInput(event);
        }
    };
    SplitComponent.prototype.onBlur = function (event) {
        if (this.props.onBlur) {
            this.props.onBlur(event);
        }
    };
    SplitComponent.prototype.onCopy = function (text) {
        if (this.props.onCopy) {
            this.props.onCopy(text);
        }
    };
    SplitComponent.prototype.onPaste = function (text) {
        if (this.props.onPaste) {
            this.props.onPaste(text);
        }
    };
    SplitComponent.prototype.onScroll = function () {
        if (this.props.onScroll) {
            this.props.onScroll(this.editor);
        }
    };
    SplitComponent.prototype.handleOptions = function (props, editor) {
        var setOptions = Object.keys(props.setOptions);
        for (var y = 0; y < setOptions.length; y++) {
            editor.setOption(setOptions[y], props.setOptions[setOptions[y]]);
        }
    };
    SplitComponent.prototype.handleMarkers = function (markers, editor) {
        // remove foreground markers
        var currentMarkers = editor.getSession().getMarkers(true);
        for (var i in currentMarkers) {
            if (currentMarkers.hasOwnProperty(i)) {
                editor.getSession().removeMarker(currentMarkers[i].id);
            }
        }
        // remove background markers
        currentMarkers = editor.getSession().getMarkers(false);
        for (var i in currentMarkers) {
            if (currentMarkers.hasOwnProperty(i)) {
                editor.getSession().removeMarker(currentMarkers[i].id);
            }
        }
        // add new markers
        markers.forEach(function (_a) {
            var startRow = _a.startRow, startCol = _a.startCol, endRow = _a.endRow, endCol = _a.endCol, className = _a.className, type = _a.type, _b = _a.inFront, inFront = _b === void 0 ? false : _b;
            var range = new ace_builds_1.Range(startRow, startCol, endRow, endCol);
            editor
                .getSession()
                .addMarker(range, className, type, inFront);
        });
    };
    SplitComponent.prototype.updateRef = function (item) {
        this.refEditor = item;
    };
    SplitComponent.prototype.render = function () {
        var _a = this.props, name = _a.name, width = _a.width, height = _a.height, style = _a.style;
        var divStyle = __assign({ width: width, height: height }, style);
        return React.createElement("div", { ref: this.updateRef, id: name, style: divStyle });
    };
    SplitComponent.propTypes = {
        className: PropTypes.string,
        debounceChangePeriod: PropTypes.number,
        defaultValue: PropTypes.arrayOf(PropTypes.string),
        focus: PropTypes.bool,
        fontSize: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
        height: PropTypes.string,
        mode: PropTypes.string,
        name: PropTypes.string,
        onBlur: PropTypes.func,
        onChange: PropTypes.func,
        onCopy: PropTypes.func,
        onFocus: PropTypes.func,
        onInput: PropTypes.func,
        onLoad: PropTypes.func,
        onPaste: PropTypes.func,
        onScroll: PropTypes.func,
        orientation: PropTypes.string,
        showGutter: PropTypes.bool,
        splits: PropTypes.number,
        theme: PropTypes.string,
        value: PropTypes.arrayOf(PropTypes.string),
        width: PropTypes.string,
        onSelectionChange: PropTypes.func,
        onCursorChange: PropTypes.func,
        onBeforeLoad: PropTypes.func,
        minLines: PropTypes.number,
        maxLines: PropTypes.number,
        readOnly: PropTypes.bool,
        highlightActiveLine: PropTypes.bool,
        tabSize: PropTypes.number,
        showPrintMargin: PropTypes.bool,
        cursorStart: PropTypes.number,
        editorProps: PropTypes.object,
        setOptions: PropTypes.object,
        style: PropTypes.object,
        scrollMargin: PropTypes.array,
        annotations: PropTypes.array,
        markers: PropTypes.array,
        keyboardHandler: PropTypes.string,
        wrapEnabled: PropTypes.bool,
        enableBasicAutocompletion: PropTypes.oneOfType([
            PropTypes.bool,
            PropTypes.array
        ]),
        enableLiveAutocompletion: PropTypes.oneOfType([
            PropTypes.bool,
            PropTypes.array
        ]),
        commands: PropTypes.array
    };
    SplitComponent.defaultProps = {
        name: "ace-editor",
        focus: false,
        orientation: "beside",
        splits: 2,
        mode: "",
        theme: "",
        height: "500px",
        width: "500px",
        value: [],
        fontSize: 12,
        showGutter: true,
        onChange: null,
        onPaste: null,
        onLoad: null,
        onScroll: null,
        minLines: null,
        maxLines: null,
        readOnly: false,
        highlightActiveLine: true,
        showPrintMargin: true,
        tabSize: 4,
        cursorStart: 1,
        editorProps: {},
        style: {},
        scrollMargin: [0, 0, 0, 0],
        setOptions: {},
        wrapEnabled: false,
        enableBasicAutocompletion: false,
        enableLiveAutocompletion: false
    };
    return SplitComponent;
}(React.Component));
exports["default"] = SplitComponent;


/***/ }),

/***/ 35491:
/***/ ((module) => {

"use strict";


var stylesInDOM = [];

function getIndexByIdentifier(identifier) {
  var result = -1;

  for (var i = 0; i < stylesInDOM.length; i++) {
    if (stylesInDOM[i].identifier === identifier) {
      result = i;
      break;
    }
  }

  return result;
}

function modulesToDom(list, options) {
  var idCountMap = {};
  var identifiers = [];

  for (var i = 0; i < list.length; i++) {
    var item = list[i];
    var id = options.base ? item[0] + options.base : item[0];
    var count = idCountMap[id] || 0;
    var identifier = "".concat(id, " ").concat(count);
    idCountMap[id] = count + 1;
    var indexByIdentifier = getIndexByIdentifier(identifier);
    var obj = {
      css: item[1],
      media: item[2],
      sourceMap: item[3],
      supports: item[4],
      layer: item[5]
    };

    if (indexByIdentifier !== -1) {
      stylesInDOM[indexByIdentifier].references++;
      stylesInDOM[indexByIdentifier].updater(obj);
    } else {
      var updater = addElementStyle(obj, options);
      options.byIndex = i;
      stylesInDOM.splice(i, 0, {
        identifier: identifier,
        updater: updater,
        references: 1
      });
    }

    identifiers.push(identifier);
  }

  return identifiers;
}

function addElementStyle(obj, options) {
  var api = options.domAPI(options);
  api.update(obj);

  var updater = function updater(newObj) {
    if (newObj) {
      if (newObj.css === obj.css && newObj.media === obj.media && newObj.sourceMap === obj.sourceMap && newObj.supports === obj.supports && newObj.layer === obj.layer) {
        return;
      }

      api.update(obj = newObj);
    } else {
      api.remove();
    }
  };

  return updater;
}

module.exports = function (list, options) {
  options = options || {};
  list = list || [];
  var lastIdentifiers = modulesToDom(list, options);
  return function update(newList) {
    newList = newList || [];

    for (var i = 0; i < lastIdentifiers.length; i++) {
      var identifier = lastIdentifiers[i];
      var index = getIndexByIdentifier(identifier);
      stylesInDOM[index].references--;
    }

    var newLastIdentifiers = modulesToDom(newList, options);

    for (var _i = 0; _i < lastIdentifiers.length; _i++) {
      var _identifier = lastIdentifiers[_i];

      var _index = getIndexByIdentifier(_identifier);

      if (stylesInDOM[_index].references === 0) {
        stylesInDOM[_index].updater();

        stylesInDOM.splice(_index, 1);
      }
    }

    lastIdentifiers = newLastIdentifiers;
  };
};

/***/ }),

/***/ 48190:
/***/ ((module) => {

"use strict";


var memo = {};
/* istanbul ignore next  */

function getTarget(target) {
  if (typeof memo[target] === "undefined") {
    var styleTarget = document.querySelector(target); // Special case to return head of iframe instead of iframe itself

    if (window.HTMLIFrameElement && styleTarget instanceof window.HTMLIFrameElement) {
      try {
        // This will throw an exception if access to iframe is blocked
        // due to cross-origin restrictions
        styleTarget = styleTarget.contentDocument.head;
      } catch (e) {
        // istanbul ignore next
        styleTarget = null;
      }
    }

    memo[target] = styleTarget;
  }

  return memo[target];
}
/* istanbul ignore next  */


function insertBySelector(insert, style) {
  var target = getTarget(insert);

  if (!target) {
    throw new Error("Couldn't find a style target. This probably means that the value for the 'insert' parameter is invalid.");
  }

  target.appendChild(style);
}

module.exports = insertBySelector;

/***/ }),

/***/ 60664:
/***/ ((module) => {

"use strict";


/* istanbul ignore next  */
function insertStyleElement(options) {
  var element = document.createElement("style");
  options.setAttributes(element, options.attributes);
  options.insert(element, options.options);
  return element;
}

module.exports = insertStyleElement;

/***/ }),

/***/ 47630:
/***/ ((module, __unused_webpack_exports, __webpack_require__) => {

"use strict";


/* istanbul ignore next  */
function setAttributesWithoutAttributes(styleElement) {
  var nonce =  true ? __webpack_require__.nc : 0;

  if (nonce) {
    styleElement.setAttribute("nonce", nonce);
  }
}

module.exports = setAttributesWithoutAttributes;

/***/ }),

/***/ 19532:
/***/ ((module) => {

"use strict";


/* istanbul ignore next  */
function apply(styleElement, options, obj) {
  var css = "";

  if (obj.supports) {
    css += "@supports (".concat(obj.supports, ") {");
  }

  if (obj.media) {
    css += "@media ".concat(obj.media, " {");
  }

  var needLayer = typeof obj.layer !== "undefined";

  if (needLayer) {
    css += "@layer".concat(obj.layer.length > 0 ? " ".concat(obj.layer) : "", " {");
  }

  css += obj.css;

  if (needLayer) {
    css += "}";
  }

  if (obj.media) {
    css += "}";
  }

  if (obj.supports) {
    css += "}";
  }

  var sourceMap = obj.sourceMap;

  if (sourceMap && typeof btoa !== "undefined") {
    css += "\n/*# sourceMappingURL=data:application/json;base64,".concat(btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))), " */");
  } // For old IE

  /* istanbul ignore if  */


  options.styleTagTransform(css, styleElement, options.options);
}

function removeStyleElement(styleElement) {
  // istanbul ignore if
  if (styleElement.parentNode === null) {
    return false;
  }

  styleElement.parentNode.removeChild(styleElement);
}
/* istanbul ignore next  */


function domAPI(options) {
  var styleElement = options.insertStyleElement(options);
  return {
    update: function update(obj) {
      apply(styleElement, options, obj);
    },
    remove: function remove() {
      removeStyleElement(styleElement);
    }
  };
}

module.exports = domAPI;

/***/ }),

/***/ 82563:
/***/ ((module) => {

"use strict";


/* istanbul ignore next  */
function styleTagTransform(css, styleElement) {
  if (styleElement.styleSheet) {
    styleElement.styleSheet.cssText = css;
  } else {
    while (styleElement.firstChild) {
      styleElement.removeChild(styleElement.firstChild);
    }

    styleElement.appendChild(document.createTextNode(css));
  }
}

module.exports = styleTagTransform;

/***/ })

},
/******/ __webpack_require__ => { // webpackRuntimeModules
/******/ var __webpack_exec__ = (moduleId) => (__webpack_require__(__webpack_require__.s = moduleId))
/******/ __webpack_require__.O(0, [374], () => (__webpack_exec__(34340)));
/******/ var __webpack_exports__ = __webpack_require__.O();
/******/ }
]);