// IMPORTANT: the original ace.js file must be encapsulated in
// (function(require,define,requirejs) { ...})(undefined,undefined,undefined);
(function(require,define,requirejs) {

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Ajax.org Code Editor (ACE).
 *
 * The Initial Developer of the Original Code is
 * Ajax.org B.V.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *      Fabian Jakobs <fabian AT ajax DOT org>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** 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;
})();

var _define = function(module, deps, payload) {
    if (typeof module !== 'string') {
        if (_define.original)
            _define.original.apply(window, arguments);
        else {
            console.error('dropping module because define wasn\'t a string.');
            console.trace();
        }
        return;
    }

    if (arguments.length == 2)
        payload = deps;

    if (!_define.modules)
        _define.modules = {};

    _define.modules[module] = payload;
};
var _require = function(parentId, module, callback) {
    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 && _require.original)
                return _require.original.apply(window, arguments);
            params.push(dep);
        }
        if (callback) {
            callback.apply(null, params);
        }
    }
    else if (typeof module === 'string') {
        var payload = lookup(parentId, module);
        if (!payload && _require.original)
            return _require.original.apply(window, arguments);

        if (callback) {
            callback();
        }

        return payload;
    }
    else {
        if (_require.original)
            return _require.original.apply(window, arguments);
    }
};

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;
};
var lookup = function(parentId, moduleName) {

    moduleName = normalizeModule(parentId, moduleName);

    var module = _define.modules[moduleName];
    if (!module) {
        return null;
    }

    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;

        // cache the resulting module object for next time
        _define.modules[moduleName] = exports;
        return exports;
    }

    return module;
};

function exportAce(ns) {

    if (typeof requirejs !== "undefined") {

        var define = global.define;
        global.define = function(id, deps, callback) {
            if (typeof callback !== "function")
                return define.apply(this, arguments);

            return ace.define(id, deps, function(require, exports, module) {
                if (deps[2] == "module")
                    module.packaged = true;
                return callback.apply(this, arguments);
            });
        };
        global.define.packaged = true;

        return;
    }

    var require = function(module, callback) {
        return _require("", module, callback);
    };
    require.packaged = true;

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

    if (root.define)
        _define.original = root.define;

    root.define = _define;

    if (root.require)
        _require.original = root.require;

    root.require = require;
}

exportAce(ACE_NAMESPACE);

})();

/**
 * class Ace
 *
 * The main class required to set up an Ace instance in the browser.
 *
 *
 **/

ace.define('ace/ace', ['require', 'exports', 'module' , 'ace/lib/fixoldbrowsers', 'ace/lib/dom', 'ace/lib/event', 'ace/editor', 'ace/edit_session', 'ace/undomanager', 'ace/virtual_renderer', 'ace/multi_select', 'ace/worker/worker_client', 'ace/keyboard/hash_handler', 'ace/keyboard/state_handler', 'ace/placeholder', 'ace/config', 'ace/theme/textmate'], function(require, exports, module) {


require("./lib/fixoldbrowsers");

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

var Editor = require("./editor").Editor;
var EditSession = require("./edit_session").EditSession;
var UndoManager = require("./undomanager").UndoManager;
var Renderer = require("./virtual_renderer").VirtualRenderer;
var MultiSelect = require("./multi_select").MultiSelect;

// The following require()s are for inclusion in the built ace file
require("./worker/worker_client");
require("./keyboard/hash_handler");
require("./keyboard/state_handler");
require("./placeholder");
exports.config = require("./config");
exports.edit = function(el) {
    if (typeof(el) == "string") {
        el = document.getElementById(el);
    }

    if (el.env && el.env.editor instanceof Editor)
        return el.env.editor;

    var doc = new EditSession(Dom.getInnerText(el));
    doc.setUndoManager(new UndoManager());
    el.innerHTML = '';

    var editor = new Editor(new Renderer(el, require("./theme/textmate")));
    new MultiSelect(editor);
    editor.setSession(doc);

    var env = {};
    env.document = doc;
    env.editor = editor;
    editor.resize();
    Event.addListener(window, "resize", function() {
        editor.resize();
    });
    el.env = env;
    // Store env on editor such that it can be accessed later on from
    // the returned object.
    editor.env = env;
    return editor;
};

});
// vim:set ts=4 sts=4 sw=4 st:
// -- kriskowal Kris Kowal Copyright (C) 2009-2010 MIT License
// -- tlrobinson Tom Robinson Copyright (C) 2009-2010 MIT License (Narwhal Project)
// -- dantman Daniel Friesen Copyright(C) 2010 XXX No License Specified
// -- fschaefer Florian Schäfer Copyright (C) 2010 MIT License
// -- Irakli Gozalishvili Copyright (C) 2010 MIT License

/*!
    Copyright (c) 2009, 280 North Inc. http://280north.com/
    MIT License. http://github.com/280north/narwhal/blob/master/README.md
*/

ace.define('ace/lib/fixoldbrowsers', ['require', 'exports', 'module' , 'ace/lib/regexp', 'ace/lib/es5-shim'], function(require, exports, module) {


require("./regexp");
require("./es5-shim");

});
 
ace.define('ace/lib/regexp', ['require', 'exports', 'module' ], function(require, exports, module) {


    //---------------------------------
    //  Private variables
    //---------------------------------

    var real = {
            exec: RegExp.prototype.exec,
            test: RegExp.prototype.test,
            match: String.prototype.match,
            replace: String.prototype.replace,
            split: String.prototype.split
        },
        compliantExecNpcg = real.exec.call(/()??/, "")[1] === undefined, // check `exec` handling of nonparticipating capturing groups
        compliantLastIndexIncrement = function () {
            var x = /^/g;
            real.test.call(x, "");
            return !x.lastIndex;
        }();

    if (compliantLastIndexIncrement && compliantExecNpcg)
        return;

    //---------------------------------
    //  Overriden native methods
    //---------------------------------

    // Adds named capture support (with backreferences returned as `result.name`), and fixes two
    // cross-browser issues per ES3:
    // - Captured values for nonparticipating capturing groups should be returned as `undefined`,
    //   rather than the empty string.
    // - `lastIndex` should not be incremented after zero-length matches.
    RegExp.prototype.exec = function (str) {
        var match = real.exec.apply(this, arguments),
            name, r2;
        if ( typeof(str) == 'string' && match) {
            // Fix browsers whose `exec` methods don't consistently return `undefined` for
            // nonparticipating capturing groups
            if (!compliantExecNpcg && match.length > 1 && indexOf(match, "") > -1) {
                r2 = RegExp(this.source, real.replace.call(getNativeFlags(this), "g", ""));
                // Using `str.slice(match.index)` rather than `match[0]` in case lookahead allowed
                // matching due to characters outside the match
                real.replace.call(str.slice(match.index), r2, function () {
                    for (var i = 1; i < arguments.length - 2; i++) {
                        if (arguments[i] === undefined)
                            match[i] = undefined;
                    }
                });
            }
            // Attach named capture properties
            if (this._xregexp && this._xregexp.captureNames) {
                for (var i = 1; i < match.length; i++) {
                    name = this._xregexp.captureNames[i - 1];
                    if (name)
                       match[name] = match[i];
                }
            }
            // Fix browsers that increment `lastIndex` after zero-length matches
            if (!compliantLastIndexIncrement && this.global && !match[0].length && (this.lastIndex > match.index))
                this.lastIndex--;
        }
        return match;
    };

    // Don't override `test` if it won't change anything
    if (!compliantLastIndexIncrement) {
        // Fix browser bug in native method
        RegExp.prototype.test = function (str) {
            // Use the native `exec` to skip some processing overhead, even though the overriden
            // `exec` would take care of the `lastIndex` fix
            var match = real.exec.call(this, str);
            // Fix browsers that increment `lastIndex` after zero-length matches
            if (match && this.global && !match[0].length && (this.lastIndex > match.index))
                this.lastIndex--;
            return !!match;
        };
    }

    //---------------------------------
    //  Private helper functions
    //---------------------------------

    function getNativeFlags (regex) {
        return (regex.global     ? "g" : "") +
               (regex.ignoreCase ? "i" : "") +
               (regex.multiline  ? "m" : "") +
               (regex.extended   ? "x" : "") + // Proposed for ES4; included in AS3
               (regex.sticky     ? "y" : "");
    };

    function indexOf (array, item, from) {
        if (Array.prototype.indexOf) // Use the native array method if available
            return array.indexOf(item, from);
        for (var i = from || 0; i < array.length; i++) {
            if (array[i] === item)
                return i;
        }
        return -1;
    };

});
// vim: ts=4 sts=4 sw=4 expandtab
// -- kriskowal Kris Kowal Copyright (C) 2009-2011 MIT License
// -- tlrobinson Tom Robinson Copyright (C) 2009-2010 MIT License (Narwhal Project)
// -- dantman Daniel Friesen Copyright (C) 2010 XXX TODO License or CLA
// -- fschaefer Florian Schäfer Copyright (C) 2010 MIT License
// -- Gozala Irakli Gozalishvili Copyright (C) 2010 MIT License
// -- kitcambridge Kit Cambridge Copyright (C) 2011 MIT License
// -- kossnocorp Sasha Koss XXX TODO License or CLA
// -- bryanforbes Bryan Forbes XXX TODO License or CLA
// -- killdream Quildreen Motta Copyright (C) 2011 MIT Licence
// -- michaelficarra Michael Ficarra Copyright (C) 2011 3-clause BSD License
// -- sharkbrainguy Gerard Paapu Copyright (C) 2011 MIT License
// -- bbqsrc Brendan Molloy (C) 2011 Creative Commons Zero (public domain)
// -- iwyg XXX TODO License or CLA
// -- DomenicDenicola Domenic Denicola Copyright (C) 2011 MIT License
// -- xavierm02 Montillet Xavier XXX TODO License or CLA
// -- Raynos Raynos XXX TODO License or CLA
// -- samsonjs Sami Samhuri Copyright (C) 2010 MIT License
// -- rwldrn Rick Waldron Copyright (C) 2011 MIT License
// -- lexer Alexey Zakharov XXX TODO License or CLA

/*!
    Copyright (c) 2009, 280 North Inc. http://280north.com/
    MIT License. http://github.com/280north/narwhal/blob/master/README.md
*/

ace.define('ace/lib/es5-shim', ['require', 'exports', 'module' ], function(require, exports, module) {

/*
 * Brings an environment as close to ECMAScript 5 compliance
 * as is possible with the facilities of erstwhile engines.
 *
 * Annotated ES5: http://es5.github.com/ (specific links below)
 * ES5 Spec: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
 *
 * @module
 */

/*whatsupdoc*/

//
// Function
// ========
//

// ES-5 15.3.4.5
// http://es5.github.com/#x15.3.4.5

if (!Function.prototype.bind) {
    Function.prototype.bind = function bind(that) { // .length is 1
        // 1. Let Target be the this value.
        var target = this;
        // 2. If IsCallable(Target) is false, throw a TypeError exception.
        if (typeof target != "function")
            throw new TypeError(); // TODO message
        // 3. Let A be a new (possibly empty) internal list of all of the
        //   argument values provided after thisArg (arg1, arg2 etc), in order.
        // XXX slicedArgs will stand in for "A" if used
        var args = slice.call(arguments, 1); // for normal call
        // 4. Let F be a new native ECMAScript object.
        // 11. Set the [[Prototype]] internal property of F to the standard
        //   built-in Function prototype object as specified in 15.3.3.1.
        // 12. Set the [[Call]] internal property of F as described in
        //   15.3.4.5.1.
        // 13. Set the [[Construct]] internal property of F as described in
        //   15.3.4.5.2.
        // 14. Set the [[HasInstance]] internal property of F as described in
        //   15.3.4.5.3.
        var bound = function () {

            if (this instanceof bound) {
                // 15.3.4.5.2 [[Construct]]
                // When the [[Construct]] internal method of a function object,
                // F that was created using the bind function is called with a
                // list of arguments ExtraArgs, the following steps are taken:
                // 1. Let target be the value of F's [[TargetFunction]]
                //   internal property.
                // 2. If target has no [[Construct]] internal method, a
                //   TypeError exception is thrown.
                // 3. Let boundArgs be the value of F's [[BoundArgs]] internal
                //   property.
                // 4. Let args be a new list containing the same values as the
                //   list boundArgs in the same order followed by the same
                //   values as the list ExtraArgs in the same order.
                // 5. Return the result of calling the [[Construct]] internal 
                //   method of target providing args as the arguments.

                var F = function(){};
                F.prototype = target.prototype;
                var self = new F;

                var result = target.apply(
                    self,
                    args.concat(slice.call(arguments))
                );
                if (result !== null && Object(result) === result)
                    return result;
                return self;

            } else {
                // 15.3.4.5.1 [[Call]]
                // When the [[Call]] internal method of a function object, F,
                // which was created using the bind function is called with a
                // this value and a list of arguments ExtraArgs, the following
                // steps are taken:
                // 1. Let boundArgs be the value of F's [[BoundArgs]] internal
                //   property.
                // 2. Let boundThis be the value of F's [[BoundThis]] internal
                //   property.
                // 3. Let target be the value of F's [[TargetFunction]] internal
                //   property.
                // 4. Let args be a new list containing the same values as the 
                //   list boundArgs in the same order followed by the same 
                //   values as the list ExtraArgs in the same order.
                // 5. Return the result of calling the [[Call]] internal method 
                //   of target providing boundThis as the this value and 
                //   providing args as the arguments.

                // equiv: target.call(this, ...boundArgs, ...args)
                return target.apply(
                    that,
                    args.concat(slice.call(arguments))
                );

            }

        };
        // XXX bound.length is never writable, so don't even try
        //
        // 15. If the [[Class]] internal property of Target is "Function", then
        //     a. Let L be the length property of Target minus the length of A.
        //     b. Set the length own property of F to either 0 or L, whichever is 
        //       larger.
        // 16. Else set the length own property of F to 0.
        // 17. Set the attributes of the length own property of F to the values
        //   specified in 15.3.5.1.

        // TODO
        // 18. Set the [[Extensible]] internal property of F to true.
        
        // TODO
        // 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
        // 20. Call the [[DefineOwnProperty]] internal method of F with 
        //   arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
        //   thrower, [[Enumerable]]: false, [[Configurable]]: false}, and 
        //   false.
        // 21. Call the [[DefineOwnProperty]] internal method of F with 
        //   arguments "arguments", PropertyDescriptor {[[Get]]: thrower, 
        //   [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},
        //   and false.

        // TODO
        // NOTE Function objects created using Function.prototype.bind do not 
        // have a prototype property or the [[Code]], [[FormalParameters]], and
        // [[Scope]] internal properties.
        // XXX can't delete prototype in pure-js.

        // 22. Return F.
        return bound;
    };
}

// Shortcut to an often accessed properties, in order to avoid multiple
// dereference that costs universally.
// _Please note: Shortcuts are defined after `Function.prototype.bind` as we
// us it in defining shortcuts.
var call = Function.prototype.call;
var prototypeOfArray = Array.prototype;
var prototypeOfObject = Object.prototype;
var slice = prototypeOfArray.slice;
var toString = call.bind(prototypeOfObject.toString);
var owns = call.bind(prototypeOfObject.hasOwnProperty);

// If JS engine supports accessors creating shortcuts.
var defineGetter;
var defineSetter;
var lookupGetter;
var lookupSetter;
var supportsAccessors;
if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) {
    defineGetter = call.bind(prototypeOfObject.__defineGetter__);
    defineSetter = call.bind(prototypeOfObject.__defineSetter__);
    lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);
    lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);
}

//
// Array
// =====
//

// ES5 15.4.3.2
// http://es5.github.com/#x15.4.3.2
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
if (!Array.isArray) {
    Array.isArray = function isArray(obj) {
        return toString(obj) == "[object Array]";
    };
}

// The IsCallable() check in the Array functions
// has been replaced with a strict check on the
// internal class of the object to trap cases where
// the provided function was actually a regular
// expression literal, which in V8 and
// JavaScriptCore is a typeof "function".  Only in
// V8 are regular expression literals permitted as
// reduce parameters, so it is desirable in the
// general case for the shim to match the more
// strict and common behavior of rejecting regular
// expressions.

// ES5 15.4.4.18
// http://es5.github.com/#x15.4.4.18
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/array/forEach
if (!Array.prototype.forEach) {
    Array.prototype.forEach = function forEach(fun /*, thisp*/) {
        var self = toObject(this),
            thisp = arguments[1],
            i = 0,
            length = self.length >>> 0;

        // If no callback function or if callback is not a callable function
        if (toString(fun) != "[object Function]") {
            throw new TypeError(); // TODO message
        }

        while (i < length) {
            if (i in self) {
                // Invoke the callback function with call, passing arguments:
                // context, property value, property key, thisArg object context
                fun.call(thisp, self[i], i, self);
            }
            i++;
        }
    };
}

// ES5 15.4.4.19
// http://es5.github.com/#x15.4.4.19
// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map
if (!Array.prototype.map) {
    Array.prototype.map = function map(fun /*, thisp*/) {
        var self = toObject(this),
            length = self.length >>> 0,
            result = Array(length),
            thisp = arguments[1];

        // If no callback function or if callback is not a callable function
        if (toString(fun) != "[object Function]") {
            throw new TypeError(); // TODO message
        }

        for (var i = 0; i < length; i++) {
            if (i in self)
                result[i] = fun.call(thisp, self[i], i, self);
        }
        return result;
    };
}

// ES5 15.4.4.20
// http://es5.github.com/#x15.4.4.20
// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/filter
if (!Array.prototype.filter) {
    Array.prototype.filter = function filter(fun /*, thisp */) {
        var self = toObject(this),
            length = self.length >>> 0,
            result = [],
            thisp = arguments[1];

        // If no callback function or if callback is not a callable function
        if (toString(fun) != "[object Function]") {
            throw new TypeError(); // TODO message
        }

        for (var i = 0; i < length; i++) {
            if (i in self && fun.call(thisp, self[i], i, self))
                result.push(self[i]);
        }
        return result;
    };
}

// ES5 15.4.4.16
// http://es5.github.com/#x15.4.4.16
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every
if (!Array.prototype.every) {
    Array.prototype.every = function every(fun /*, thisp */) {
        var self = toObject(this),
            length = self.length >>> 0,
            thisp = arguments[1];

        // If no callback function or if callback is not a callable function
        if (toString(fun) != "[object Function]") {
            throw new TypeError(); // TODO message
        }

        for (var i = 0; i < length; i++) {
            if (i in self && !fun.call(thisp, self[i], i, self))
                return false;
        }
        return true;
    };
}

// ES5 15.4.4.17
// http://es5.github.com/#x15.4.4.17
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some
if (!Array.prototype.some) {
    Array.prototype.some = function some(fun /*, thisp */) {
        var self = toObject(this),
            length = self.length >>> 0,
            thisp = arguments[1];

        // If no callback function or if callback is not a callable function
        if (toString(fun) != "[object Function]") {
            throw new TypeError(); // TODO message
        }

        for (var i = 0; i < length; i++) {
            if (i in self && fun.call(thisp, self[i], i, self))
                return true;
        }
        return false;
    };
}

// ES5 15.4.4.21
// http://es5.github.com/#x15.4.4.21
// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduce
if (!Array.prototype.reduce) {
    Array.prototype.reduce = function reduce(fun /*, initial*/) {
        var self = toObject(this),
            length = self.length >>> 0;

        // If no callback function or if callback is not a callable function
        if (toString(fun) != "[object Function]") {
            throw new TypeError(); // TODO message
        }

        // no value to return if no initial value and an empty array
        if (!length && arguments.length == 1)
            throw new TypeError(); // TODO message

        var i = 0;
        var result;
        if (arguments.length >= 2) {
            result = arguments[1];
        } else {
            do {
                if (i in self) {
                    result = self[i++];
                    break;
                }

                // if array contains no values, no initial value to return
                if (++i >= length)
                    throw new TypeError(); // TODO message
            } while (true);
        }

        for (; i < length; i++) {
            if (i in self)
                result = fun.call(void 0, result, self[i], i, self);
        }

        return result;
    };
}

// ES5 15.4.4.22
// http://es5.github.com/#x15.4.4.22
// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduceRight
if (!Array.prototype.reduceRight) {
    Array.prototype.reduceRight = function reduceRight(fun /*, initial*/) {
        var self = toObject(this),
            length = self.length >>> 0;

        // If no callback function or if callback is not a callable function
        if (toString(fun) != "[object Function]") {
            throw new TypeError(); // TODO message
        }

        // no value to return if no initial value, empty array
        if (!length && arguments.length == 1)
            throw new TypeError(); // TODO message

        var result, i = length - 1;
        if (arguments.length >= 2) {
            result = arguments[1];
        } else {
            do {
                if (i in self) {
                    result = self[i--];
                    break;
                }

                // if array contains no values, no initial value to return
                if (--i < 0)
                    throw new TypeError(); // TODO message
            } while (true);
        }

        do {
            if (i in this)
                result = fun.call(void 0, result, self[i], i, self);
        } while (i--);

        return result;
    };
}

// ES5 15.4.4.14
// http://es5.github.com/#x15.4.4.14
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
if (!Array.prototype.indexOf) {
    Array.prototype.indexOf = function indexOf(sought /*, fromIndex */ ) {
        var self = toObject(this),
            length = self.length >>> 0;

        if (!length)
            return -1;

        var i = 0;
        if (arguments.length > 1)
            i = toInteger(arguments[1]);

        // handle negative indices
        i = i >= 0 ? i : Math.max(0, length + i);
        for (; i < length; i++) {
            if (i in self && self[i] === sought) {
                return i;
            }
        }
        return -1;
    };
}

// ES5 15.4.4.15
// http://es5.github.com/#x15.4.4.15
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf
if (!Array.prototype.lastIndexOf) {
    Array.prototype.lastIndexOf = function lastIndexOf(sought /*, fromIndex */) {
        var self = toObject(this),
            length = self.length >>> 0;

        if (!length)
            return -1;
        var i = length - 1;
        if (arguments.length > 1)
            i = Math.min(i, toInteger(arguments[1]));
        // handle negative indices
        i = i >= 0 ? i : length - Math.abs(i);
        for (; i >= 0; i--) {
            if (i in self && sought === self[i])
                return i;
        }
        return -1;
    };
}

//
// Object
// ======
//

// ES5 15.2.3.2
// http://es5.github.com/#x15.2.3.2
if (!Object.getPrototypeOf) {
    // https://github.com/kriskowal/es5-shim/issues#issue/2
    // http://ejohn.org/blog/objectgetprototypeof/
    // recommended by fschaefer on github
    Object.getPrototypeOf = function getPrototypeOf(object) {
        return object.__proto__ || (
            object.constructor ?
            object.constructor.prototype :
            prototypeOfObject
        );
    };
}

// ES5 15.2.3.3
// http://es5.github.com/#x15.2.3.3
if (!Object.getOwnPropertyDescriptor) {
    var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a " +
                         "non-object: ";
    Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) {
        if ((typeof object != "object" && typeof object != "function") || object === null)
            throw new TypeError(ERR_NON_OBJECT + object);
        // If object does not owns property return undefined immediately.
        if (!owns(object, property))
            return;

        var descriptor, getter, setter;

        // If object has a property then it's for sure both `enumerable` and
        // `configurable`.
        descriptor =  { enumerable: true, configurable: true };

        // If JS engine supports accessor properties then property may be a
        // getter or setter.
        if (supportsAccessors) {
            // Unfortunately `__lookupGetter__` will return a getter even
            // if object has own non getter property along with a same named
            // inherited getter. To avoid misbehavior we temporary remove
            // `__proto__` so that `__lookupGetter__` will return getter only
            // if it's owned by an object.
            var prototype = object.__proto__;
            object.__proto__ = prototypeOfObject;

            var getter = lookupGetter(object, property);
            var setter = lookupSetter(object, property);

            // Once we have getter and setter we can put values back.
            object.__proto__ = prototype;

            if (getter || setter) {
                if (getter) descriptor.get = getter;
                if (setter) descriptor.set = setter;

                // If it was accessor property we're done and return here
                // in order to avoid adding `value` to the descriptor.
                return descriptor;
            }
        }

        // If we got this far we know that object has an own property that is
        // not an accessor so we set it as a value and return descriptor.
        descriptor.value = object[property];
        return descriptor;
    };
}

// ES5 15.2.3.4
// http://es5.github.com/#x15.2.3.4
if (!Object.getOwnPropertyNames) {
    Object.getOwnPropertyNames = function getOwnPropertyNames(object) {
        return Object.keys(object);
    };
}

// ES5 15.2.3.5
// http://es5.github.com/#x15.2.3.5
if (!Object.create) {
    Object.create = function create(prototype, properties) {
        var object;
        if (prototype === null) {
            object = { "__proto__": null };
        } else {
            if (typeof prototype != "object")
                throw new TypeError("typeof prototype["+(typeof prototype)+"] != 'object'");
            var Type = function () {};
            Type.prototype = prototype;
            object = new Type();
            // IE has no built-in implementation of `Object.getPrototypeOf`
            // neither `__proto__`, but this manually setting `__proto__` will
            // guarantee that `Object.getPrototypeOf` will work as expected with
            // objects created using `Object.create`
            object.__proto__ = prototype;
        }
        if (properties !== void 0)
            Object.defineProperties(object, properties);
        return object;
    };
}

// ES5 15.2.3.6
// http://es5.github.com/#x15.2.3.6

// Patch for WebKit and IE8 standard mode
// Designed by hax <hax.github.com>
// related issue: https://github.com/kriskowal/es5-shim/issues#issue/5
// IE8 Reference:
//     http://msdn.microsoft.com/en-us/library/dd282900.aspx
//     http://msdn.microsoft.com/en-us/library/dd229916.aspx
// WebKit Bugs:
//     https://bugs.webkit.org/show_bug.cgi?id=36423

function doesDefinePropertyWork(object) {
    try {
        Object.defineProperty(object, "sentinel", {});
        return "sentinel" in object;
    } catch (exception) {
        // returns falsy
    }
}

// check whether defineProperty works if it's given. Otherwise,
// shim partially.
if (Object.defineProperty) {
    var definePropertyWorksOnObject = doesDefinePropertyWork({});
    var definePropertyWorksOnDom = typeof document == "undefined" ||
        doesDefinePropertyWork(document.createElement("div"));
    if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) {
        var definePropertyFallback = Object.defineProperty;
    }
}

if (!Object.defineProperty || definePropertyFallback) {
    var ERR_NON_OBJECT_DESCRIPTOR = "Property description must be an object: ";
    var ERR_NON_OBJECT_TARGET = "Object.defineProperty called on non-object: "
    var ERR_ACCESSORS_NOT_SUPPORTED = "getters & setters can not be defined " +
                                      "on this javascript engine";

    Object.defineProperty = function defineProperty(object, property, descriptor) {
        if ((typeof object != "object" && typeof object != "function") || object === null)
            throw new TypeError(ERR_NON_OBJECT_TARGET + object);
        if ((typeof descriptor != "object" && typeof descriptor != "function") || descriptor === null)
            throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor);

        // make a valiant attempt to use the real defineProperty
        // for I8's DOM elements.
        if (definePropertyFallback) {
            try {
                return definePropertyFallback.call(Object, object, property, descriptor);
            } catch (exception) {
                // try the shim if the real one doesn't work
            }
        }

        // If it's a data property.
        if (owns(descriptor, "value")) {
            // fail silently if "writable", "enumerable", or "configurable"
            // are requested but not supported
            /*
            // alternate approach:
            if ( // can't implement these features; allow false but not true
                !(owns(descriptor, "writable") ? descriptor.writable : true) ||
                !(owns(descriptor, "enumerable") ? descriptor.enumerable : true) ||
                !(owns(descriptor, "configurable") ? descriptor.configurable : true)
            )
                throw new RangeError(
                    "This implementation of Object.defineProperty does not " +
                    "support configurable, enumerable, or writable."
                );
            */

            if (supportsAccessors && (lookupGetter(object, property) ||
                                      lookupSetter(object, property)))
            {
                // As accessors are supported only on engines implementing
                // `__proto__` we can safely override `__proto__` while defining
                // a property to make sure that we don't hit an inherited
                // accessor.
                var prototype = object.__proto__;
                object.__proto__ = prototypeOfObject;
                // Deleting a property anyway since getter / setter may be
                // defined on object itself.
                delete object[property];
                object[property] = descriptor.value;
                // Setting original `__proto__` back now.
                object.__proto__ = prototype;
            } else {
                object[property] = descriptor.value;
            }
        } else {
            if (!supportsAccessors)
                throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
            // If we got that far then getters and setters can be defined !!
            if (owns(descriptor, "get"))
                defineGetter(object, property, descriptor.get);
            if (owns(descriptor, "set"))
                defineSetter(object, property, descriptor.set);
        }

        return object;
    };
}

// ES5 15.2.3.7
// http://es5.github.com/#x15.2.3.7
if (!Object.defineProperties) {
    Object.defineProperties = function defineProperties(object, properties) {
        for (var property in properties) {
            if (owns(properties, property))
                Object.defineProperty(object, property, properties[property]);
        }
        return object;
    };
}

// ES5 15.2.3.8
// http://es5.github.com/#x15.2.3.8
if (!Object.seal) {
    Object.seal = function seal(object) {
        // this is misleading and breaks feature-detection, but
        // allows "securable" code to "gracefully" degrade to working
        // but insecure code.
        return object;
    };
}

// ES5 15.2.3.9
// http://es5.github.com/#x15.2.3.9
if (!Object.freeze) {
    Object.freeze = function freeze(object) {
        // this is misleading and breaks feature-detection, but
        // allows "securable" code to "gracefully" degrade to working
        // but insecure code.
        return object;
    };
}

// detect a Rhino bug and patch it
try {
    Object.freeze(function () {});
} catch (exception) {
    Object.freeze = (function freeze(freezeObject) {
        return function freeze(object) {
            if (typeof object == "function") {
                return object;
            } else {
                return freezeObject(object);
            }
        };
    })(Object.freeze);
}

// ES5 15.2.3.10
// http://es5.github.com/#x15.2.3.10
if (!Object.preventExtensions) {
    Object.preventExtensions = function preventExtensions(object) {
        // this is misleading and breaks feature-detection, but
        // allows "securable" code to "gracefully" degrade to working
        // but insecure code.
        return object;
    };
}

// ES5 15.2.3.11
// http://es5.github.com/#x15.2.3.11
if (!Object.isSealed) {
    Object.isSealed = function isSealed(object) {
        return false;
    };
}

// ES5 15.2.3.12
// http://es5.github.com/#x15.2.3.12
if (!Object.isFrozen) {
    Object.isFrozen = function isFrozen(object) {
        return false;
    };
}

// ES5 15.2.3.13
// http://es5.github.com/#x15.2.3.13
if (!Object.isExtensible) {
    Object.isExtensible = function isExtensible(object) {
        // 1. If Type(O) is not Object throw a TypeError exception.
        if (Object(object) === object) {
            throw new TypeError(); // TODO message
        }
        // 2. Return the Boolean value of the [[Extensible]] internal property of O.
        var name = '';
        while (owns(object, name)) {
            name += '?';
        }
        object[name] = true;
        var returnValue = owns(object, name);
        delete object[name];
        return returnValue;
    };
}

// ES5 15.2.3.14
// http://es5.github.com/#x15.2.3.14
if (!Object.keys) {
    // http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
    var hasDontEnumBug = true,
        dontEnums = [
            "toString",
            "toLocaleString",
            "valueOf",
            "hasOwnProperty",
            "isPrototypeOf",
            "propertyIsEnumerable",
            "constructor"
        ],
        dontEnumsLength = dontEnums.length;

    for (var key in {"toString": null})
        hasDontEnumBug = false;

    Object.keys = function keys(object) {

        if ((typeof object != "object" && typeof object != "function") || object === null)
            throw new TypeError("Object.keys called on a non-object");

        var keys = [];
        for (var name in object) {
            if (owns(object, name)) {
                keys.push(name);
            }
        }

        if (hasDontEnumBug) {
            for (var i = 0, ii = dontEnumsLength; i < ii; i++) {
                var dontEnum = dontEnums[i];
                if (owns(object, dontEnum)) {
                    keys.push(dontEnum);
                }
            }
        }

        return keys;
    };

}

//
// Date
// ====
//

// ES5 15.9.5.43
// http://es5.github.com/#x15.9.5.43
// This function returns a String value represent the instance in time 
// represented by this Date object. The format of the String is the Date Time 
// string format defined in 15.9.1.15. All fields are present in the String. 
// The time zone is always UTC, denoted by the suffix Z. If the time value of 
// this object is not a finite Number a RangeError exception is thrown.
if (!Date.prototype.toISOString || (new Date(-62198755200000).toISOString().indexOf('-000001') === -1)) {
    Date.prototype.toISOString = function toISOString() {
        var result, length, value, year;
        if (!isFinite(this))
            throw new RangeError;

        // the date time string format is specified in 15.9.1.15.
        result = [this.getUTCMonth() + 1, this.getUTCDate(),
            this.getUTCHours(), this.getUTCMinutes(), this.getUTCSeconds()];
        year = this.getUTCFullYear();
        year = (year < 0 ? '-' : (year > 9999 ? '+' : '')) + ('00000' + Math.abs(year)).slice(0 <= year && year <= 9999 ? -4 : -6);

        length = result.length;
        while (length--) {
            value = result[length];
            // pad months, days, hours, minutes, and seconds to have two digits.
            if (value < 10)
                result[length] = "0" + value;
        }
        // pad milliseconds to have three digits.
        return year + "-" + result.slice(0, 2).join("-") + "T" + result.slice(2).join(":") + "." +
            ("000" + this.getUTCMilliseconds()).slice(-3) + "Z";
    }
}

// ES5 15.9.4.4
// http://es5.github.com/#x15.9.4.4
if (!Date.now) {
    Date.now = function now() {
        return new Date().getTime();
    };
}

// ES5 15.9.5.44
// http://es5.github.com/#x15.9.5.44
// This function provides a String representation of a Date object for use by 
// JSON.stringify (15.12.3).
if (!Date.prototype.toJSON) {
    Date.prototype.toJSON = function toJSON(key) {
        // When the toJSON method is called with argument key, the following 
        // steps are taken:

        // 1.  Let O be the result of calling ToObject, giving it the this
        // value as its argument.
        // 2. Let tv be ToPrimitive(O, hint Number).
        // 3. If tv is a Number and is not finite, return null.
        // XXX
        // 4. Let toISO be the result of calling the [[Get]] internal method of
        // O with argument "toISOString".
        // 5. If IsCallable(toISO) is false, throw a TypeError exception.
        if (typeof this.toISOString != "function")
            throw new TypeError(); // TODO message
        // 6. Return the result of calling the [[Call]] internal method of
        //  toISO with O as the this value and an empty argument list.
        return this.toISOString();

        // NOTE 1 The argument is ignored.

        // NOTE 2 The toJSON function is intentionally generic; it does not
        // require that its this value be a Date object. Therefore, it can be
        // transferred to other kinds of objects for use as a method. However,
        // it does require that any such object have a toISOString method. An
        // object is free to use the argument key to filter its
        // stringification.
    };
}

// ES5 15.9.4.2
// http://es5.github.com/#x15.9.4.2
// based on work shared by Daniel Friesen (dantman)
// http://gist.github.com/303249
if (Date.parse("+275760-09-13T00:00:00.000Z") !== 8.64e15) {
    // XXX global assignment won't work in embeddings that use
    // an alternate object for the context.
    Date = (function(NativeDate) {

        // Date.length === 7
        var Date = function Date(Y, M, D, h, m, s, ms) {
            var length = arguments.length;
            if (this instanceof NativeDate) {
                var date = length == 1 && String(Y) === Y ? // isString(Y)
                    // We explicitly pass it through parse:
                    new NativeDate(Date.parse(Y)) :
                    // We have to manually make calls depending on argument
                    // length here
                    length >= 7 ? new NativeDate(Y, M, D, h, m, s, ms) :
                    length >= 6 ? new NativeDate(Y, M, D, h, m, s) :
                    length >= 5 ? new NativeDate(Y, M, D, h, m) :
                    length >= 4 ? new NativeDate(Y, M, D, h) :
                    length >= 3 ? new NativeDate(Y, M, D) :
                    length >= 2 ? new NativeDate(Y, M) :
                    length >= 1 ? new NativeDate(Y) :
                                  new NativeDate();
                // Prevent mixups with unfixed Date object
                date.constructor = Date;
                return date;
            }
            return NativeDate.apply(this, arguments);
        };

        // 15.9.1.15 Date Time String Format.
        var isoDateExpression = new RegExp("^" +
            "(\\d{4}|[\+\-]\\d{6})" + // four-digit year capture or sign + 6-digit extended year
            "(?:-(\\d{2})" + // optional month capture
            "(?:-(\\d{2})" + // optional day capture
            "(?:" + // capture hours:minutes:seconds.milliseconds
                "T(\\d{2})" + // hours capture
                ":(\\d{2})" + // minutes capture
                "(?:" + // optional :seconds.milliseconds
                    ":(\\d{2})" + // seconds capture
                    "(?:\\.(\\d{3}))?" + // milliseconds capture
                ")?" +
            "(?:" + // capture UTC offset component
                "Z|" + // UTC capture
                "(?:" + // offset specifier +/-hours:minutes
                    "([-+])" + // sign capture
                    "(\\d{2})" + // hours offset capture
                    ":(\\d{2})" + // minutes offset capture
                ")" +
            ")?)?)?)?" +
        "$");

        // Copy any custom methods a 3rd party library may have added
        for (var key in NativeDate)
            Date[key] = NativeDate[key];

        // Copy "native" methods explicitly; they may be non-enumerable
        Date.now = NativeDate.now;
        Date.UTC = NativeDate.UTC;
        Date.prototype = NativeDate.prototype;
        Date.prototype.constructor = Date;

        // Upgrade Date.parse to handle simplified ISO 8601 strings
        Date.parse = function parse(string) {
            var match = isoDateExpression.exec(string);
            if (match) {
                match.shift(); // kill match[0], the full match
                // parse months, days, hours, minutes, seconds, and milliseconds
                for (var i = 1; i < 7; i++) {
                    // provide default values if necessary
                    match[i] = +(match[i] || (i < 3 ? 1 : 0));
                    // match[1] is the month. Months are 0-11 in JavaScript
                    // `Date` objects, but 1-12 in ISO notation, so we
                    // decrement.
                    if (i == 1)
                        match[i]--;
                }

                // parse the UTC offset component
                var minuteOffset = +match.pop(), hourOffset = +match.pop(), sign = match.pop();

                // compute the explicit time zone offset if specified
                var offset = 0;
                if (sign) {
                    // detect invalid offsets and return early
                    if (hourOffset > 23 || minuteOffset > 59)
                        return NaN;

                    // express the provided time zone offset in minutes. The offset is
                    // negative for time zones west of UTC; positive otherwise.
                    offset = (hourOffset * 60 + minuteOffset) * 6e4 * (sign == "+" ? -1 : 1);
                }

                // Date.UTC for years between 0 and 99 converts year to 1900 + year
                // The Gregorian calendar has a 400-year cycle, so 
                // to Date.UTC(year + 400, .... ) - 12622780800000 == Date.UTC(year, ...),
                // where 12622780800000 - number of milliseconds in Gregorian calendar 400 years
                var year = +match[0];
                if (0 <= year && year <= 99) {
                    match[0] = year + 400;
                    return NativeDate.UTC.apply(this, match) + offset - 12622780800000;
                }

                // compute a new UTC date value, accounting for the optional offset
                return NativeDate.UTC.apply(this, match) + offset;
            }
            return NativeDate.parse.apply(this, arguments);
        };

        return Date;
    })(Date);
}

//
// String
// ======
//

// ES5 15.5.4.20
// http://es5.github.com/#x15.5.4.20
var ws = "\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003" +
    "\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028" +
    "\u2029\uFEFF";
if (!String.prototype.trim || ws.trim()) {
    // http://blog.stevenlevithan.com/archives/faster-trim-javascript
    // http://perfectionkills.com/whitespace-deviations/
    ws = "[" + ws + "]";
    var trimBeginRegexp = new RegExp("^" + ws + ws + "*"),
        trimEndRegexp = new RegExp(ws + ws + "*$");
    String.prototype.trim = function trim() {
        return String(this).replace(trimBeginRegexp, "").replace(trimEndRegexp, "");
    };
}

//
// Util
// ======
//

// ES5 9.4
// http://es5.github.com/#x9.4
// http://jsperf.com/to-integer
var toInteger = function (n) {
    n = +n;
    if (n !== n) // isNaN
        n = 0;
    else if (n !== 0 && n !== (1/0) && n !== -(1/0))
        n = (n > 0 || -1) * Math.floor(Math.abs(n));
    return n;
};

var prepareString = "a"[0] != "a",
    // ES5 9.9
    // http://es5.github.com/#x9.9
    toObject = function (o) {
        if (o == null) { // this matches both null and undefined
            throw new TypeError(); // TODO message
        }
        // If the implementation doesn't support by-index access of
        // string characters (ex. IE < 7), split the string
        if (prepareString && typeof o == "string" && o) {
            return o.split("");
        }
        return Object(o);
    };
});

ace.define('ace/lib/dom', ['require', 'exports', 'module' ], function(require, exports, module) {


var XHTML_NS = "http://www.w3.org/1999/xhtml";

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

exports.setText = function(elem, text) {
    if (elem.innerText !== undefined) {
        elem.innerText = text;
    }
    if (elem.textContent !== undefined) {
        elem.textContent = text;
    }
};

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 (doc.createStyleSheet && (sheets = doc.styleSheets)) {
        while (index < sheets.length)
            if (sheets[index++].owningElement.id === id) return true;
    } else if ((sheets = doc.getElementsByTagName("style"))) {
        while (index < sheets.length)
            if (sheets[index++].id === id) return true;
    }

    return false;
};

exports.importCssString = function importCssString(cssText, id, doc) {
    doc = doc || document;
    // If style is already imported return immediately.
    if (id && exports.hasCssString(id, doc))
        return null;
    
    var style;
    
    if (doc.createStyleSheet) {
        style = doc.createStyleSheet();
        style.cssText = cssText;
        if (id)
            style.owningElement.id = id;
    } else {
        style = doc.createElementNS
            ? doc.createElementNS(XHTML_NS, "style")
            : doc.createElement("style");

        style.appendChild(doc.createTextNode(cssText));
        if (id)
            style.id = id;

        var head = doc.getElementsByTagName("head")[0] || doc.documentElement;
        head.appendChild(style);
    }
};

exports.importCssStylsheet = function(uri, doc) {
    if (doc.createStyleSheet) {
        doc.createStyleSheet(uri);
    } else {
        var link = exports.createElement('link');
        link.rel = 'stylesheet';
        link.href = uri;

        var head = doc.getElementsByTagName("head")[0] || doc.documentElement;
        head.appendChild(link);
    }
};

exports.getInnerWidth = function(element) {
    return (
        parseInt(exports.computedStyle(element, "paddingLeft"), 10) +
        parseInt(exports.computedStyle(element, "paddingRight"), 10) + 
        element.clientWidth
    );
};

exports.getInnerHeight = function(element) {
    return (
        parseInt(exports.computedStyle(element, "paddingTop"), 10) +
        parseInt(exports.computedStyle(element, "paddingBottom"), 10) +
        element.clientHeight
    );
};

if (window.pageYOffset !== undefined) {
    exports.getPageScrollTop = function() {
        return window.pageYOffset;
    };

    exports.getPageScrollLeft = function() {
        return window.pageXOffset;
    };
}
else {
    exports.getPageScrollTop = function() {
        return document.body.scrollTop;
    };

    exports.getPageScrollLeft = function() {
        return document.body.scrollLeft;
    };
}

if (window.getComputedStyle)
    exports.computedStyle = function(element, style) {
        if (style)
            return (window.getComputedStyle(element, "") || {})[style] || "";
        return window.getComputedStyle(element, "") || {};
    };
else
    exports.computedStyle = function(element, style) {
        if (style)
            return element.currentStyle[style];
        return element.currentStyle;
    };

exports.scrollbarWidth = function(document) {

    var inner = exports.createElement("p");
    inner.style.width = "100%";
    inner.style.minWidth = "0px";
    inner.style.height = "200px";

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

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

    outer.appendChild(inner);

    var body = document.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.setInnerHtml = function(el, innerHtml) {
    var element = el.cloneNode(false);//document.createElement("div");
    element.innerHTML = innerHtml;
    el.parentNode.replaceChild(element, el);
    return element;
};

exports.setInnerText = function(el, innerText) {
    var document = el.ownerDocument;
    if (document.body && "textContent" in document.body)
        el.textContent = innerText;
    else
        el.innerText = innerText;

};

exports.getInnerText = function(el) {
    var document = el.ownerDocument;
    if (document.body && "textContent" in document.body)
        return el.textContent;
    else
         return el.innerText || el.textContent || "";
};

exports.getParentWindow = function(document) {
    return document.defaultView || document.parentWindow;
};

});

ace.define('ace/lib/event', ['require', 'exports', 'module' , 'ace/lib/keys', 'ace/lib/useragent', 'ace/lib/dom'], function(require, exports, module) {


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

exports.addListener = function(elem, type, callback) {
    if (elem.addEventListener) {
        return elem.addEventListener(type, callback, false);
    }
    if (elem.attachEvent) {
        var wrapper = function() {
            callback(window.event);
        };
        callback._wrapper = wrapper;
        elem.attachEvent("on" + type, wrapper);
    }
};

exports.removeListener = function(elem, type, callback) {
    if (elem.removeEventListener) {
        return elem.removeEventListener(type, callback, false);
    }
    if (elem.detachEvent) {
        elem.detachEvent("on" + type, callback._wrapper || callback);
    }
};
exports.stopEvent = function(e) {
    exports.stopPropagation(e);
    exports.preventDefault(e);
    return false;
};

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

exports.preventDefault = function(e) {
    if (e.preventDefault)
        e.preventDefault();
    else
        e.returnValue = false;
};
exports.getButton = function(e) {
    if (e.type == "dblclick")
        return 0;
    if (e.type == "contextmenu" || (e.ctrlKey && useragent.isMac))
        return 2;

    // DOM Event
    if (e.preventDefault) {
        return e.button;
    }
    // old IE
    else {
        return {1:0, 2:2, 4:1}[e.button];
    }
};

if (document.documentElement.setCapture) {
    exports.capture = function(el, eventHandler, releaseCaptureHandler) {
        function onMouseMove(e) {
            eventHandler(e);
            return exports.stopPropagation(e);
        }

        var called = false;
        function onReleaseCapture(e) {
            eventHandler(e);

            if (!called) {
                called = true;
                releaseCaptureHandler(e);
            }

            exports.removeListener(el, "mousemove", eventHandler);
            exports.removeListener(el, "mouseup", onReleaseCapture);
            exports.removeListener(el, "losecapture", onReleaseCapture);

            el.releaseCapture();
        }

        exports.addListener(el, "mousemove", eventHandler);
        exports.addListener(el, "mouseup", onReleaseCapture);
        exports.addListener(el, "losecapture", onReleaseCapture);
        el.setCapture();
    };
}
else {
    exports.capture = function(el, eventHandler, releaseCaptureHandler) {
        function onMouseMove(e) {
            eventHandler(e);
            e.stopPropagation();
        }

        function onMouseUp(e) {
            eventHandler && eventHandler(e);
            releaseCaptureHandler && releaseCaptureHandler(e);

            document.removeEventListener("mousemove", onMouseMove, true);
            document.removeEventListener("mouseup", onMouseUp, true);

            e.stopPropagation();
        }

        document.addEventListener("mousemove", onMouseMove, true);
        document.addEventListener("mouseup", onMouseUp, true);
    };
}

exports.addMouseWheelListener = function(el, callback) {
    var factor = 8;
    var listener = function(e) {
        if (e.wheelDelta !== undefined) {
            if (e.wheelDeltaX !== undefined) {
                e.wheelX = -e.wheelDeltaX / factor;
                e.wheelY = -e.wheelDeltaY / factor;
            } else {
                e.wheelX = 0;
                e.wheelY = -e.wheelDelta / factor;
            }
        }
        else {
            if (e.axis && e.axis == e.HORIZONTAL_AXIS) {
                e.wheelX = (e.detail || 0) * 5;
                e.wheelY = 0;
            } else {
                e.wheelX = 0;
                e.wheelY = (e.detail || 0) * 5;
            }
        }
        callback(e);
    };
    exports.addListener(el, "DOMMouseScroll", listener);
    exports.addListener(el, "mousewheel", listener);
};

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

    var listener = function(e) {
        if (exports.getButton(e) != 0) {
            clicks = 0;
        } else {
            var isNewClick = Math.abs(e.clientX - startX) > 5 || Math.abs(e.clientY - startY) > 5;

            if (!timer || isNewClick)
                clicks = 0;

            clicks += 1;

            if (timer)
                clearTimeout(timer)
            timer = setTimeout(function() {timer = null}, timeouts[clicks - 1] || 600);
        }
        if (clicks == 1) {
            startX = e.clientX;
            startY = e.clientY;
        }

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

        if (clicks > 4)
            clicks = 0;
        else if (clicks > 1)
            return eventHandler[callbackName](eventNames[clicks], e);
    };

    exports.addListener(el, "mousedown", listener);
    useragent.isOldIE && exports.addListener(el, "dblclick", listener);
};

function normalizeCommandKeys(callback, e, keyCode) {
    var hashId = 0;
    if (useragent.isOpera && useragent.isMac) {
        hashId = 0 | (e.metaKey ? 1 : 0) | (e.altKey ? 2 : 0)
            | (e.shiftKey ? 4 : 0) | (e.ctrlKey ? 8 : 0);
    } else {
        hashId = 0 | (e.ctrlKey ? 1 : 0) | (e.altKey ? 2 : 0)
            | (e.shiftKey ? 4 : 0) | (e.metaKey ? 8 : 0);
    }

    if (keyCode in keys.MODIFIER_KEYS) {
        switch (keys.MODIFIER_KEYS[keyCode]) {
            case "Alt":
                hashId = 2;
                break;
            case "Shift":
                hashId = 4;
                break;
            case "Ctrl":
                hashId = 1;
                break;
            default:
                hashId = 8;
                break;
        }
        keyCode = 0;
    }

    if (hashId & 8 && (keyCode == 91 || keyCode == 93)) {
        keyCode = 0;
    }

    // If there is no hashID and the keyCode is not a function key, then
    // we don't call the callback as we don't handle a command key here
    // (it's a normal key/character input).
    if (!hashId && !(keyCode in keys.FUNCTION_KEYS) && !(keyCode in keys.PRINTABLE_KEYS)) {
        return false;
    }
    return callback(e, hashId, keyCode);
}

exports.addCommandKeyListener = function(el, callback) {
    var addListener = exports.addListener;
    if (useragent.isOldGecko || useragent.isOpera) {
        // Old versions of Gecko aka. Firefox < 4.0 didn't repeat the keydown
        // event if the user pressed the key for a longer time. Instead, the
        // keydown event was fired once and later on only the keypress event.
        // To emulate the 'right' keydown behavior, the keyCode of the initial
        // keyDown event is stored and in the following keypress events the
        // stores keyCode is used to emulate a keyDown event.
        var lastKeyDownKeyCode = null;
        addListener(el, "keydown", function(e) {
            lastKeyDownKeyCode = e.keyCode;
        });
        addListener(el, "keypress", function(e) {
            return normalizeCommandKeys(callback, e, lastKeyDownKeyCode);
        });
    } else {
        var lastDown = null;

        addListener(el, "keydown", function(e) {
            lastDown = e.keyIdentifier || e.keyCode;
            return normalizeCommandKeys(callback, e, e.keyCode);
        });
    }
};

if (window.postMessage) {
    var postMessageId = 1;
    exports.nextTick = function(callback, win) {
        win = win || window;
        var messageName = "zero-timeout-message-" + postMessageId;            
        exports.addListener(win, "message", function listener(e) {
            if (e.data == messageName) {
                exports.stopPropagation(e);
                exports.removeListener(win, "message", listener);
                callback();
            }
        });
        win.postMessage(messageName, "*");
    };
}
else {
    exports.nextTick = function(callback, win) {
        win = win || window;
        window.setTimeout(callback, 0);
    };
}

});

// Most of the following code is taken from SproutCore with a few changes.

ace.define('ace/lib/keys', ['require', 'exports', 'module' , 'ace/lib/oop'], function(require, exports, module) {


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

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

        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",
            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: '.',
          188: ',', 190: '.', 191: '/', 192: '`', 219: '[', 220: '\\',
          221: ']', 222: '\''
        }
    };

    // A reverse map of FUNCTION_KEYS
    for (var i in ret.FUNCTION_KEYS) {
        var name = ret.FUNCTION_KEYS[i].toUpperCase();
        ret[name] = parseInt(i, 10);
    }

    // Add the MODIFIER_KEYS, FUNCTION_KEYS and PRINTABLE_KEYS to the KEY
    // variables as well.
    oop.mixin(ret, ret.MODIFIER_KEYS);
    oop.mixin(ret, ret.PRINTABLE_KEYS);
    oop.mixin(ret, ret.FUNCTION_KEYS);

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

exports.keyCodeToString = function(keyCode) {
    return (Keys[keyCode] || String.fromCharCode(keyCode)).toLowerCase();
}

});

ace.define('ace/lib/oop', ['require', 'exports', 'module' ], function(require, exports, module) {


exports.inherits = (function() {
    var tempCtor = function() {};
    return function(ctor, superCtor) {
        tempCtor.prototype = superCtor.prototype;
        ctor.super_ = superCtor.prototype;
        ctor.prototype = new tempCtor();
        ctor.prototype.constructor = ctor;
    };
}());

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

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

});

ace.define('ace/lib/useragent', ['require', 'exports', 'module' ], function(require, exports, module) {


var os = (navigator.platform.match(/mac|win|linux/i) || ["other"])[0].toLowerCase();
var ua = navigator.userAgent;

// Is the user using a browser that identifies itself as Windows
exports.isWin = (os == "win");

// Is the user using a browser that identifies itself as Mac OS
exports.isMac = (os == "mac");

// Is the user using a browser that identifies itself as Linux
exports.isLinux = (os == "linux");

exports.isIE = 
    navigator.appName == "Microsoft Internet Explorer"
    && parseFloat(navigator.userAgent.match(/MSIE ([0-9]+[\.0-9]+)/)[1]);
    
exports.isOldIE = exports.isIE && exports.isIE < 9;

// Is this Firefox or related?
exports.isGecko = exports.isMozilla = window.controllers && window.navigator.product === "Gecko";

// oldGecko == rev < 2.0 
exports.isOldGecko = exports.isGecko && parseInt((navigator.userAgent.match(/rv\:(\d+)/)||[])[1], 10) < 4;

// Is this Opera 
exports.isOpera = window.opera && Object.prototype.toString.call(window.opera) == "[object Opera]";

// Is the user using a browser that identifies itself as WebKit 
exports.isWebKit = parseFloat(ua.split("WebKit/")[1]) || undefined;

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

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

exports.isIPad = ua.indexOf("iPad") >= 0;

exports.isTouchPad = ua.indexOf("TouchPad") >= 0;
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;
    }
};

});

ace.define('ace/editor', ['require', 'exports', 'module' , 'ace/lib/fixoldbrowsers', 'ace/lib/oop', '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'], function(require, exports, module) {


require("./lib/fixoldbrowsers");

var oop = require("./lib/oop");
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 TouchHandler = require("./touch_handler").TouchHandler;
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;

/**
 * new Editor(renderer, session)
 * - renderer (VirtualRenderer): Associated `VirtualRenderer` that draws everything
 * - session (EditSession): The `EditSession` to refer to
 *
 * Creates a new `Editor` object.
 *
 **/
var Editor = function(renderer, session) {
    var container = renderer.getContainerElement();
    this.container = container;
    this.renderer = renderer;

    this.commands = new CommandManager(useragent.isMac ? "mac" : "win", defaultCommands);
    this.textInput  = new TextInput(renderer.getTextAreaContainer(), this);
    this.renderer.textarea = this.textInput.getElement();
    this.keyBinding = new KeyBinding(this);

    // TODO detect touch event support
    if (useragent.isIPad) {
        //this.$mouseHandler = new TouchHandler(this);
    } else {
        this.$mouseHandler = new MouseHandler(this);
        new FoldHandler(this);
    }

    this.$blockScrolling = 0;
    this.$search = new Search().set({
        wrap: true
    });

    this.setSession(session || new EditSession(""));
};

(function(){

    oop.implement(this, EventEmitter);
    this.setKeyboardHandler = function(keyboardHandler) {
        this.keyBinding.setKeyboardHandler(keyboardHandler);
    };
    this.getKeyboardHandler = function() {
        return this.keyBinding.getKeyboardHandler();
    };
    this.setSession = function(session) {
        if (this.session == session)
            return;

        if (this.session) {
            var oldSession = this.session;
            this.session.removeEventListener("change", this.$onDocumentChange);
            this.session.removeEventListener("changeMode", this.$onChangeMode);
            this.session.removeEventListener("tokenizerUpdate", this.$onTokenizerUpdate);
            this.session.removeEventListener("changeTabSize", this.$onChangeTabSize);
            this.session.removeEventListener("changeWrapLimit", this.$onChangeWrapLimit);
            this.session.removeEventListener("changeWrapMode", this.$onChangeWrapMode);
            this.session.removeEventListener("onChangeFold", this.$onChangeFold);
            this.session.removeEventListener("changeFrontMarker", this.$onChangeFrontMarker);
            this.session.removeEventListener("changeBackMarker", this.$onChangeBackMarker);
            this.session.removeEventListener("changeBreakpoint", this.$onChangeBreakpoint);
            this.session.removeEventListener("changeAnnotation", this.$onChangeAnnotation);
            this.session.removeEventListener("changeOverwrite", this.$onCursorChange);
            this.session.removeEventListener("changeScrollTop", this.$onScrollTopChange);
            this.session.removeEventListener("changeLeftTop", this.$onScrollLeftChange);

            var selection = this.session.getSelection();
            selection.removeEventListener("changeCursor", this.$onCursorChange);
            selection.removeEventListener("changeSelection", this.$onSelectionChange);
        }

        this.session = session;

        this.$onDocumentChange = this.onDocumentChange.bind(this);
        session.addEventListener("change", this.$onDocumentChange);
        this.renderer.setSession(session);

        this.$onChangeMode = this.onChangeMode.bind(this);
        session.addEventListener("changeMode", this.$onChangeMode);

        this.$onTokenizerUpdate = this.onTokenizerUpdate.bind(this);
        session.addEventListener("tokenizerUpdate", this.$onTokenizerUpdate);

        this.$onChangeTabSize = this.renderer.updateText.bind(this.renderer);
        session.addEventListener("changeTabSize", this.$onChangeTabSize);

        this.$onChangeWrapLimit = this.onChangeWrapLimit.bind(this);
        session.addEventListener("changeWrapLimit", this.$onChangeWrapLimit);

        this.$onChangeWrapMode = this.onChangeWrapMode.bind(this);
        session.addEventListener("changeWrapMode", this.$onChangeWrapMode);

        this.$onChangeFold = this.onChangeFold.bind(this);
        session.addEventListener("changeFold", this.$onChangeFold);

        this.$onChangeFrontMarker = this.onChangeFrontMarker.bind(this);
        this.session.addEventListener("changeFrontMarker", this.$onChangeFrontMarker);

        this.$onChangeBackMarker = this.onChangeBackMarker.bind(this);
        this.session.addEventListener("changeBackMarker", this.$onChangeBackMarker);

        this.$onChangeBreakpoint = this.onChangeBreakpoint.bind(this);
        this.session.addEventListener("changeBreakpoint", this.$onChangeBreakpoint);

        this.$onChangeAnnotation = this.onChangeAnnotation.bind(this);
        this.session.addEventListener("changeAnnotation", this.$onChangeAnnotation);

        this.$onCursorChange = this.onCursorChange.bind(this);
        this.session.addEventListener("changeOverwrite", this.$onCursorChange);

        this.$onScrollTopChange = this.onScrollTopChange.bind(this);
        this.session.addEventListener("changeScrollTop", this.$onScrollTopChange);

        this.$onScrollLeftChange = this.onScrollLeftChange.bind(this);
        this.session.addEventListener("changeScrollLeft", this.$onScrollLeftChange);

        this.selection = session.getSelection();
        this.selection.addEventListener("changeCursor", this.$onCursorChange);

        this.$onSelectionChange = this.onSelectionChange.bind(this);
        this.selection.addEventListener("changeSelection", this.$onSelectionChange);

        this.onChangeMode();

        this.$blockScrolling += 1;
        this.onCursorChange();
        this.$blockScrolling -= 1;

        this.onScrollTopChange();
        this.onScrollLeftChange();
        this.onSelectionChange();
        this.onChangeFrontMarker();
        this.onChangeBackMarker();
        this.onChangeBreakpoint();
        this.onChangeAnnotation();
        this.session.getUseWrapMode() && this.renderer.adjustWrapLimit();
        this.renderer.updateFull();

        this._emit("changeSession", {
            session: session,
            oldSession: oldSession
        });
    };
    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) {
        this.renderer.setTheme(theme);
    };
    this.getTheme = function() {
        return this.renderer.getTheme();
    };
    this.setStyle = function(style) {
        this.renderer.setStyle(style);
    };
    this.unsetStyle = function(style) {
        this.renderer.unsetStyle(style);
    };
    this.setFontSize = function(size) {
        this.container.style.fontSize = size;
        this.renderer.updateFontSize();
    };
    this.$highlightBrackets = function() {
        if (this.session.$bracketHighlight) {
            this.session.removeMarker(this.session.$bracketHighlight);
            this.session.$bracketHighlight = null;
        }

        if (this.$highlightPending) {
            return;
        }

        // perform highlight async to not block the browser during navigation
        var self = this;
        this.$highlightPending = true;
        setTimeout(function() {
            self.$highlightPending = false;

            var pos = self.session.findMatchingBracket(self.getCursorPosition());
            if (pos) {
                var range = new Range(pos.row, pos.column, pos.row, pos.column+1);
                self.session.$bracketHighlight = self.session.addMarker(range, "ace_bracket", "text");
            }
        }, 10);
    };
    this.focus = function() {
        // Safari needs the timeout
        // iOS and Firefox need it called immediately
        // to be on the save side we do both
        var _self = this;
        setTimeout(function() {
            _self.textInput.focus();
        });
        this.textInput.focus();
    };
    this.isFocused = function() {
        return this.textInput.isFocused();
    };
    this.blur = function() {
        this.textInput.blur();
    };
    this.onFocus = function() {
        if (this.$isFocused)
            return;
        this.$isFocused = true;
        this.renderer.showCursor();
        this.renderer.visualizeFocus();
        this._emit("focus");
    };
    this.onBlur = function() {
        if (!this.$isFocused)
            return;
        this.$isFocused = false;
        this.renderer.hideCursor();
        this.renderer.visualizeBlur();
        this._emit("blur");
    };

    this.$cursorChange = function() {
        this.renderer.updateCursor();
    };
    this.onDocumentChange = function(e) {
        var delta = e.data;
        var range = delta.range;
        var lastRow;

        if (range.start.row == range.end.row && delta.action != "insertLines" && delta.action != "removeLines")
            lastRow = range.end.row;
        else
            lastRow = Infinity;
        this.renderer.updateLines(range.start.row, lastRow);

        this._emit("change", e);

        // update cursor because tab characters can influence the cursor position
        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();

        if (!this.$blockScrolling) {
            this.renderer.scrollCursorIntoView();
        }

        this.$highlightBrackets();
        this.$updateHighlightActiveLine();
    };
    this.$updateHighlightActiveLine = function() {
        var session = this.getSession();

        if (session.$highlightLineMarker)
            session.removeMarker(session.$highlightLineMarker);

        session.$highlightLineMarker = null;

        if (this.$highlightActiveLine) {
            var cursor = this.getCursorPosition();
            var foldLine = this.session.getFoldLine(cursor.row);

            if ((this.getSelectionStyle() != "line" || !this.selection.isMultiLine())) {
                var range;
                if (foldLine) {
                    range = new Range(foldLine.start.row, 0, foldLine.end.row + 1, 0);
                } else {
                    range = new Range(cursor.row, 0, cursor.row+1, 0);
                }
                session.$highlightLineMarker = session.addMarker(range, "ace_active_line", "background");
            }
        }
    };
    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.$getSelectionHighLightRegexp = function() {
        var session = this.session;

        var selection = this.getSelectionRange();
        if (selection.isEmpty() || selection.isMultiLine())
            return;

        var startOuter = selection.start.column - 1;
        var endOuter = selection.end.column + 1;
        var line = session.getLine(selection.start.row);
        var lineCols = line.length;
        var needle = line.substring(Math.max(startOuter, 0),
                                    Math.min(endOuter, lineCols));

        // Make sure the outer characters are not part of the word.
        if ((startOuter >= 0 && /^[\w\d]/.test(needle)) ||
            (endOuter <= lineCols && /[\w\d]$/.test(needle)))
            return;

        needle = line.substring(selection.start.column, selection.end.column);
        if (!/^[\w\d]+$/.test(needle))
            return;

        var re = this.$search.$assembleRegExp({
            wholeWord: true,
            caseSensitive: true,
            needle: needle
        });

        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() {
        this.renderer.updateText();
    };
    this.onChangeWrapLimit = function() {
        this.renderer.updateFull();
    };
    this.onChangeWrapMode = function() {
        this.renderer.onResize(true);
    };
    this.onChangeFold = function() {
        // Update the active line marker as due to folding changes the current
        // line range on the screen might have changed.
        this.$updateHighlightActiveLine();
        // TODO: This might be too much updating. Okay for now.
        this.renderer.updateFull();
    };
    this.getCopyText = function() {
        var text = "";
        if (!this.selection.isEmpty())
            text = this.session.getTextRange(this.getSelectionRange());

        this._emit("copy", text);
        return text;
    };
    this.onCopy = function() {
        this.commands.exec("copy", this);
    };
    this.onCut = function() {
        this.commands.exec("cut", this);
    };
    this.onPaste = function(text) {
        this._emit("paste", text);
        this.insert(text);
    };
    this.insert = function(text) {
        var session = this.session;
        var mode = session.getMode();

        var cursor = this.getCursorPosition();

        if (this.getBehavioursEnabled()) {
            // Get a transform if the current mode wants one.
            var transform = mode.transformAction(session.getState(cursor.row), 'insertion', this, session, text);
            if (transform)
                text = transform.text;
        }

        text = text.replace("\t", this.session.getTabString());

        // remove selected text
        if (!this.selection.isEmpty()) {
            cursor = this.session.remove(this.getSelectionRange());
            this.clearSelection();
        }
        else if (this.session.getOverwrite()) {
            var range = new Range.fromPoints(cursor, cursor);
            range.end.column += text.length;
            this.session.remove(range);
        }

        this.clearSelection();

        var start = cursor.column;
        var lineState = session.getState(cursor.row);
        var shouldOutdent = mode.checkOutdent(lineState, session.getLine(cursor.row), text);
        var line = session.getLine(cursor.row);
        var lineIndent = mode.getNextLineIndent(lineState, line.slice(0, cursor.column), session.getTabString());
        var end = 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]));
            }
        }

        var lineState = session.getState(cursor.row);

        // TODO disabled multiline auto indent
        // possibly doing the indent before inserting the text
        // if (cursor.row !== end.row) {
        if (session.getDocument().isNewLine(text)) {
            this.moveCursorTo(cursor.row+1, 0);

            var size = session.getTabSize();
            var minIndent = Number.MAX_VALUE;

            for (var row = cursor.row + 1; row <= end.row; ++row) {
                var indent = 0;

                line = session.getLine(row);
                for (var i = 0; i < line.length; ++i)
                    if (line.charAt(i) == '\t')
                        indent += size;
                    else if (line.charAt(i) == ' ')
                        indent += 1;
                    else
                        break;
                if (/[^\s]/.test(line))
                    minIndent = Math.min(indent, minIndent);
            }

            for (var row = cursor.row + 1; row <= end.row; ++row) {
                var outdent = minIndent;

                line = session.getLine(row);
                for (var i = 0; i < line.length && outdent > 0; ++i)
                    if (line.charAt(i) == '\t')
                        outdent -= size;
                    else if (line.charAt(i) == ' ')
                        outdent -= 1;
                session.remove(new Range(row, 0, row, i));
            }
            session.indentRows(cursor.row + 1, end.row, lineIndent);
        }
        if (shouldOutdent)
            mode.autoOutdent(lineState, session, cursor.row);
    };
    this.onTextInput = function(text) {
        this.keyBinding.onTextInput(text);
    };
    this.onCommandKey = function(e, hashId, keyCode) {
        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.$mouseHandler.setScrollSpeed(speed);
    };
    this.getScrollSpeed = function() {
        return this.$mouseHandler.getScrollSpeed();
    };
    this.setDragDelay = function(dragDelay) {
        this.$mouseHandler.setDragDelay(dragDelay);
    };
    this.getDragDelay = function() {
        return this.$mouseHandler.getDragDelay();
    };

    this.$selectionStyle = "line";
    this.setSelectionStyle = function(style) {
        if (this.$selectionStyle == style) return;

        this.$selectionStyle = style;
        this.onSelectionChange();
        this._emit("changeSelectionStyle", {data: style});
    };
    this.getSelectionStyle = function() {
        return this.$selectionStyle;
    };

    this.$highlightActiveLine = true;
    this.setHighlightActiveLine = function(shouldHighlight) {
        if (this.$highlightActiveLine == shouldHighlight)
            return;

        this.$highlightActiveLine = shouldHighlight;
        this.$updateHighlightActiveLine();
    };
    this.getHighlightActiveLine = function() {
        return this.$highlightActiveLine;
    };

    this.$highlightGutterLine = true;
    this.setHighlightGutterLine = function(shouldHighlight) {
        if (this.$highlightGutterLine == shouldHighlight)
            return;

        this.renderer.setHighlightGutterLine(shouldHighlight);
        this.$highlightGutterLine = shouldHighlight;
    };

    this.getHighlightGutterLine = function() {
        return this.$highlightGutterLine;
    };

    this.$highlightSelectedWord = true;
    this.setHighlightSelectedWord = function(shouldHighlight) {
        if (this.$highlightSelectedWord == shouldHighlight)
            return;

        this.$highlightSelectedWord = shouldHighlight;
        this.$onSelectionChange();
    };
    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) {
        if (this.getShowInvisibles() == showInvisibles)
            return;

        this.renderer.setShowInvisibles(showInvisibles);
    };
    this.getShowInvisibles = function() {
        return this.renderer.getShowInvisibles();
    };
    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.$readOnly = false;
    this.setReadOnly = function(readOnly) {
        this.$readOnly = readOnly;
    };
    this.getReadOnly = function() {
        return this.$readOnly;
    };

    this.$modeBehaviours = true;
    this.setBehavioursEnabled = function (enabled) {
        this.$modeBehaviours = enabled;
    };
    this.getBehavioursEnabled = function () {
        return this.$modeBehaviours;
    };
    this.setShowFoldWidgets = function(show) {
        var gutter = this.renderer.$gutterLayer;
        if (gutter.getShowFoldWidgets() == show)
            return;

        this.renderer.$gutterLayer.setShowFoldWidgets(show);
        this.$showFoldWidgets = show;
        this.renderer.updateFull();
    };
    this.getShowFoldWidgets = function() {
        return this.renderer.$gutterLayer.getShowFoldWidgets();
    };

    this.setFadeFoldWidgets = function(show) {
        this.renderer.setFadeFoldWidgets(show);
    };

    this.getFadeFoldWidgets = function() {
        return this.renderer.getFadeFoldWidgets();
    };
    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 (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();

        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.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 || range.start.column < range.end.column) {
            var rows = this.$getSelectedRows();
            session.indentRows(rows.first, rows.last, "\t");
        } else {
            var indentString;

            if (this.session.getUseSoftTabs()) {
                var size        = session.getTabSize(),
                    position    = this.getCursorPosition(),
                    column      = session.documentToScreenColumn(position.row, position.column),
                    count       = (size - column % size);

                indentString = lang.stringRepeat(" ", count);
            } else
                indentString = "\t";
            return this.insert(indentString);
        }
    };
    this.blockOutdent = function() {
        var selection = this.session.getSelection();
        this.session.outdentRows(selection.getRange());
    };
    this.toggleCommentLines = function() {
        var state = this.session.getState(this.getCursorPosition().row);
        var rows = this.$getSelectedRows();
        this.session.getMode().toggleCommentLines(state, this.session, rows.first, rows.last);
    };
    this.removeLines = function() {
        var rows = this.$getSelectedRows();
        var range;
        if (rows.first === 0 || rows.last+1 < this.session.getLength())
            range = new Range(rows.first, 0, rows.last+1, 0);
        else
            range = new Range(
                rows.first-1, this.session.getLine(rows.first-1).length,
                rows.last, this.session.getLine(rows.last).length
            );
        this.session.remove(range);
        this.clearSelection();
    };

    this.duplicateSelection = function() {
        var sel = this.selection;
		var doc = this.session;
		var range = sel.getRange();
		if (range.isEmpty()) {
			var row = range.start.row;
			doc.duplicateLines(row, row);
		} else {
			var reverse = sel.isBackwards()
			var point = sel.isBackwards() ? 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.$moveLines(function(firstRow, lastRow) {
            return this.session.moveLinesDown(firstRow, lastRow);
        });
    };
    this.moveLinesUp = function() {
        this.$moveLines(function(firstRow, lastRow) {
            return this.session.moveLinesUp(firstRow, lastRow);
        });
    };
    this.moveText = function(range, toPosition) {
        if (this.$readOnly)
            return null;

        return this.session.moveText(range, toPosition);
    };
    this.copyLinesUp = function() {
        this.$moveLines(function(firstRow, lastRow) {
            this.session.duplicateLines(firstRow, lastRow);
            return 0;
        });
    };
    this.copyLinesDown = function() {
        this.$moveLines(function(firstRow, lastRow) {
            return this.session.duplicateLines(firstRow, lastRow);
        });
    };
    this.$moveLines = function(mover) {
        var rows = this.$getSelectedRows();
        var selection = this.selection;
        if (!selection.isMultiLine()) {
            var range = selection.getRange();
            var reverse = selection.isBackwards();
        }

        var linesMoved = mover.call(this, rows.first, rows.last);

        if (range) {
            range.start.row += linesMoved;
            range.end.row += linesMoved;
            selection.setSelectionRange(range, reverse);
        }
        else {
            selection.setSelectionAnchor(rows.last+linesMoved+1, 0);
            selection.$moveSelection(function() {
                selection.moveCursorTo(rows.first+linesMoved, 0);
            });
        }
    };
    this.$getSelectedRows = function() {
        var range = this.getSelectionRange().collapseRows();

        return {
            first: range.start.row,
            last: range.end.row
        };
    };
    this.onCompositionStart = function(text) {
        this.renderer.showComposition(this.getCursorPosition());
    };
    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);

        this.$blockScrolling++;
        if (select == true) {
            this.selection.$moveSelection(function(){
                this.moveCursorBy(rows, 0);
            });
        } else if (select == false) {
            this.selection.moveCursorBy(rows, 0);
            this.selection.clearSelection();
        }
        this.$blockScrolling--;

        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.$blockScrolling += 1;
        this.selection.selectAll();
        this.$blockScrolling -= 1;
    };
    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) {
        var cursor = this.getCursorPosition();

        var range = this.session.getBracketRange(cursor);
        if (!range) {
            range = editor.find({
                needle: /[{}()\[\]]/g,
                preventScroll:true,
                start: {row: cursor.row, column: cursor.column - 1}
            });
            if (!range)
                return;
            var pos = range.start;
            if (pos.row == cursor.row && Math.abs(pos.column - cursor.column) < 2)
                range = this.session.getBracketRange(pos);
        }
        
        pos = range && range.cursor || pos;
        if (pos) {
            if (select) {
                if (range && range.isEqual(editor.getSelectionRange()))
                    this.clearSelection();
                else
                    this.selection.selectTo(pos.row, pos.column);            
            } else {
                this.clearSelection();
                this.moveCursorTo(pos.row, pos.column);
            }
        }
    };
    this.gotoLine = function(lineNumber, column, animate) {
        this.selection.clearSelection();
        this.session.unfold({row: lineNumber - 1, column: column || 0});

        this.$blockScrolling += 1;
        this.moveCursorTo(lineNumber - 1, column || 0);
        this.$blockScrolling -= 1;

        if (!this.isRowFullyVisible(lineNumber - 1))
            this.scrollToLine(lineNumber - 1, true, animate);
    };
    this.navigateTo = function(row, column) {
        this.clearSelection();
        this.moveCursorTo(row, column);
    };
    this.navigateUp = function(times) {
        this.selection.clearSelection();
        times = times || 1;
        this.selection.moveCursorBy(-times, 0);
    };
    this.navigateDown = function(times) {
        this.selection.clearSelection();
        times = times || 1;
        this.selection.moveCursorBy(times, 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() {
        var scrollTop = this.renderer.scrollTop;
        this.selection.moveCursorFileEnd();
        this.clearSelection();
        this.renderer.animateScrolling(scrollTop);
    };
    this.navigateFileStart = function() {
        var scrollTop = this.renderer.scrollTop;
        this.selection.moveCursorFileStart();
        this.clearSelection();
        this.renderer.animateScrolling(scrollTop);
    };
    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;
        }
        if (range !== null) {
            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;

        this.$blockScrolling += 1;

        var selection = this.getSelectionRange();
        this.clearSelection();
        this.selection.moveCursorTo(0, 0);

        for (var i = ranges.length - 1; i >= 0; --i) {
            if(this.$tryReplace(ranges[i], replacement)) {
                replaced++;
            }
        }

        this.selection.setSelectionRange(selection);
        this.$blockScrolling -= 1;

        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;
        }
        // clear selection if nothing is found
        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.$blockScrolling += 1;
        this.session.unfold(range);
        this.selection.setSelectionRange(range);
        this.$blockScrolling -= 1;

        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.$blockScrolling++;
        this.session.getUndoManager().undo();
        this.$blockScrolling--;
        this.renderer.scrollCursorIntoView(null, 0.5);
    };
    this.redo = function() {
        this.$blockScrolling++;
        this.session.getUndoManager().redo();
        this.$blockScrolling--;
        this.renderer.scrollCursorIntoView(null, 0.5);
    };
    this.destroy = function() {
        this.renderer.destroy();
    };

}).call(Editor.prototype);


exports.Editor = Editor;
});

ace.define('ace/lib/lang', ['require', 'exports', 'module' ], function(require, exports, module) {


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

exports.stringRepeat = function (string, count) {
     return new Array(count + 1).join(string);
};

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 (obj) {
    if (typeof obj != "object") {
        return obj;
    }
    
    var copy = obj.constructor();
    for (var key in obj) {
        if (typeof obj[key] == "object") {
            copy[key] = this.deepCopy(obj[key]);
        } else {
            copy[key] = 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.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.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;
    };

    return deferred;
};

});

ace.define('ace/keyboard/textinput', ['require', 'exports', 'module' , 'ace/lib/event', 'ace/lib/useragent', 'ace/lib/dom'], function(require, exports, module) {


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

var TextInput = function(parentNode, host) {
    var text = dom.createElement("textarea");
    if (useragent.isTouchPad)
        text.setAttribute("x-palm-disable-auto-cap", true);

    text.setAttribute("wrap", "off");

    text.style.top = "-2em";
    parentNode.insertBefore(text, parentNode.firstChild);

    var PLACEHOLDER = useragent.isIE ? "\x01" : "\x01";
    sendText();

    var inCompostion = false;
    var copied = false;
    var pasted = false;
    var tempStyle = '';

    function reset(full) {
        try {
            if (full) {
                text.value = PLACEHOLDER;
                text.selectionStart = 0;
                text.selectionEnd = 1;
            } else 
                text.select();
        } catch (e) {}
    }

    function sendText(valueToSend) {
        if (!copied) {
            var value = valueToSend || text.value;
            if (value) {
                if (value.length > 1) {
                    if (value.charAt(0) == PLACEHOLDER)
                        value = value.substr(1);
                    else if (value.charAt(value.length - 1) == PLACEHOLDER)
                        value = value.slice(0, -1);
                }

                if (value && value != PLACEHOLDER) {
                    if (pasted)
                        host.onPaste(value);
                    else
                        host.onTextInput(value);
                }
            }
        }

        copied = false;
        pasted = false;

        // Safari doesn't fire copy events if no text is selected
        reset(true);
    }

    var onTextInput = function(e) {
        if (!inCompostion)
            sendText(e.data);
        setTimeout(function () {
            if (!inCompostion)
                reset(true);
        }, 0);
    };

    var onPropertyChange = function(e) {
        setTimeout(function() {
            if (!inCompostion)
                sendText();
        }, 0);
    };

    var onCompositionStart = function(e) {
        inCompostion = true;
        host.onCompositionStart();
        setTimeout(onCompositionUpdate, 0);
    };

    var onCompositionUpdate = function() {
        if (!inCompostion) return;
        host.onCompositionUpdate(text.value);
    };

    var onCompositionEnd = function(e) {
        inCompostion = false;
        host.onCompositionEnd();
    };

    var onCopy = function(e) {
        copied = true;
        var copyText = host.getCopyText();
        if(copyText)
            text.value = copyText;
        else
            e.preventDefault();
        reset();
        setTimeout(function () {
            sendText();
        }, 0);
    };

    var onCut = function(e) {
        copied = true;
        var copyText = host.getCopyText();
        if(copyText) {
            text.value = copyText;
            host.onCut();
        } else
            e.preventDefault();
        reset();
        setTimeout(function () {
            sendText();
        }, 0);
    };

    event.addCommandKeyListener(text, host.onCommandKey.bind(host));
    event.addListener(text, "input", useragent.isIE ? onPropertyChange : onTextInput);

    event.addListener(text, "paste", function(e) {
        // Mark that the next input text comes from past.
        pasted = true;
        // Some browsers support the event.clipboardData API. Use this to get
        // the pasted content which increases speed if pasting a lot of lines.
        if (e.clipboardData && e.clipboardData.getData) {
            sendText(e.clipboardData.getData("text/plain"));
            e.preventDefault();
        } 
        else {
            // If a browser doesn't support any of the things above, use the regular
            // method to detect the pasted input.
            onPropertyChange();
        }
    });

    if ("onbeforecopy" in text && typeof clipboardData !== "undefined") {
        event.addListener(text, "beforecopy", function(e) {
            if (tempStyle)
                return; // without this text is copied when contextmenu is shown
            var copyText = host.getCopyText();
            if (copyText)
                clipboardData.setData("Text", copyText);
            else
                e.preventDefault();
        });
        event.addListener(parentNode, "keydown", function(e) {
            if (e.ctrlKey && e.keyCode == 88) {
                var copyText = host.getCopyText();
                if (copyText) {
                    clipboardData.setData("Text", copyText);
                    host.onCut();
                }
                event.preventDefault(e);
            }
        });
        event.addListener(text, "cut", onCut); // for ie9 context menu
    }
    else if (useragent.isOpera) {
        event.addListener(parentNode, "keydown", function(e) {
            if ((useragent.isMac && !e.metaKey) || !e.ctrlKey)
                return;

            if ((e.keyCode == 88 || e.keyCode == 67)) {
                var copyText = host.getCopyText();
                if (copyText) {
                    text.value = copyText;
                    text.select();
                    if (e.keyCode == 88)
                        host.onCut();
                }
            }
        });
    }
    else {
        event.addListener(text, "copy", onCopy);
        event.addListener(text, "cut", onCut);
    }

    event.addListener(text, "compositionstart", onCompositionStart);
    if (useragent.isGecko) {
        event.addListener(text, "text", onCompositionUpdate);
    }
    if (useragent.isWebKit) {
        event.addListener(text, "keyup", onCompositionUpdate);
    }
    event.addListener(text, "compositionend", onCompositionEnd);

    event.addListener(text, "blur", function() {
        host.onBlur();
    });

    event.addListener(text, "focus", function() {
        host.onFocus();
        reset();
    });

    this.focus = function() {
        reset();
        text.focus();
    };

    this.blur = function() {
        text.blur();
    };

    function isFocused() {
        return document.activeElement === text;
    }
    this.isFocused = isFocused;

    this.getElement = function() {
        return text;
    };

    this.onContextMenu = function(e) {
        if (!tempStyle)
            tempStyle = text.style.cssText;

        text.style.cssText =
            "position:fixed; z-index:100000;" + //"background:rgba(250, 0, 0, 0.3); opacity:1;" +
            "left:" + (e.clientX - 2) + "px; top:" + (e.clientY - 2) + "px;";

        if (host.selection.isEmpty())
            text.value = "";

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

        if (host.renderer.$keepTextAreaAtCursor)
            host.renderer.$keepTextAreaAtCursor = null;

        // on windows context menu is opened after mouseup
        if (useragent.isGecko && useragent.isWin)
            event.capture(host.container, function(e) {
                text.style.left = e.clientX - 2 + "px";
                text.style.top = e.clientY - 2 + "px";
            }, onContextMenuClose);
    };

    function onContextMenuClose() {
        setTimeout(function () {
            if (tempStyle) {
                text.style.cssText = tempStyle;
                tempStyle = '';
            }
            sendText();
            if (host.renderer.$keepTextAreaAtCursor == null) {
                host.renderer.$keepTextAreaAtCursor = true;
                host.renderer.$moveTextAreaToCursor();
            }
        }, 0);
    };
    this.onContextMenuClose = onContextMenuClose;

    // firefox fires contextmenu event after opening it
    if (!useragent.isGecko)
        event.addListener(text, "contextmenu", function(e) {
            host.textInput.onContextMenu(e);
            onContextMenuClose()
        });
};

exports.TextInput = TextInput;
});

ace.define('ace/mouse/mouse_handler', ['require', 'exports', 'module' , 'ace/lib/event', 'ace/mouse/default_handlers', 'ace/mouse/default_gutter_handler', 'ace/mouse/mouse_event', 'ace/mouse/dragdrop'], function(require, exports, module) {


var event = require("../lib/event");
var DefaultHandlers = require("./default_handlers").DefaultHandlers;
var DefaultGutterHandler = require("./default_gutter_handler").GutterHandler;
var MouseEvent = require("./mouse_event").MouseEvent;
var DragdropHandler = require("./dragdrop").DragdropHandler;

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

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

    event.addListener(editor.container, "mousedown", function(e) {
        editor.focus();
        return event.preventDefault(e);
    });

    var mouseTarget = editor.renderer.getMouseEventTarget();
    event.addListener(mouseTarget, "click", this.onMouseEvent.bind(this, "click"));
    event.addListener(mouseTarget, "mousemove", this.onMouseMove.bind(this, "mousemove"));
    event.addMultiMouseDownListener(mouseTarget, [300, 300, 250], this, "onMouseEvent");
    event.addMouseWheelListener(editor.container, this.onMouseWheel.bind(this, "mousewheel"));

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

(function() {

    this.$scrollSpeed = 1;
    this.setScrollSpeed = function(speed) {
        this.$scrollSpeed = speed;
    };

    this.getScrollSpeed = function() {
        return this.$scrollSpeed;
    };

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

    this.$dragDelay = 250;
    this.setDragDelay = function(dragDelay) {
        this.$dragDelay = dragDelay;
    };

    this.getDragDelay = function() {
        return this.$dragDelay;
    };

    this.onMouseMove = function(name, e) {
        // optimization, because mousemove doesn't have a default handler.
        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, state) {
        if (state)
            this.setState(state);

        this.x = ev.x;
        this.y = ev.y;

        // do not move textarea during selection
        var renderer = this.editor.renderer;
        if (renderer.$keepTextAreaAtCursor)
            renderer.$keepTextAreaAtCursor = null;

        var self = this;
        var onMouseMove = function(e) {
            self.x = e.clientX;
            self.y = e.clientY;
        };

        var onCaptureEnd = function(e) {
            clearInterval(timerId);
            self[self.state + "End"] && self[self.state + "End"](e);
            self.$clickSelection = null;
            if (renderer.$keepTextAreaAtCursor == null) {
                renderer.$keepTextAreaAtCursor = true;
                renderer.$moveTextAreaToCursor();
            }
        };

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

        event.capture(this.editor.container, onMouseMove, onCaptureEnd);
        var timerId = setInterval(onCaptureInterval, 20);
    };
}).call(MouseHandler.prototype);

exports.MouseHandler = MouseHandler;
});

ace.define('ace/mouse/default_handlers', ['require', 'exports', 'module' , 'ace/lib/dom', 'ace/lib/useragent'], function(require, exports, module) {


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

var DRAG_OFFSET = 5; // pixels

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.onScroll.bind(mouseHandler));

    var exports = ["select", "startSelect", "drag", "dragEnd", "dragWait",
        "dragWaitEnd", "startDrag", "focusWait"];

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

    mouseHandler.selectByLines = this.extendSelectionBy.bind(mouseHandler, "getLineRange");
    mouseHandler.selectByWords = this.extendSelectionBy.bind(mouseHandler, "getWordRange");
    
    mouseHandler.$focusWaitTimout = 250;
}

(function() {

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

        var button = ev.getButton();
        if (button !== 0) {
            var selectionRange = editor.getSelectionRange();
            var selectionEmpty = selectionRange.isEmpty();

            if (selectionEmpty) {
                editor.moveCursorToPosition(pos);
                editor.selection.clearSelection();
            }

            // 2: contextmenu, 1: linux paste
            editor.textInput.onContextMenu(ev.domEvent);
            return; // stopping event here breaks contextmenu on ff mac
        }

        // if this click caused the editor to be focused should not clear the
        // selection
        if (inSelection && !editor.isFocused()) {
            editor.focus();
            if (this.$focusWaitTimout && !this.$clickSelection) {
                this.setState("focusWait");
                this.captureMouse(ev);
                return ev.preventDefault();
            }
        }

        if (!inSelection || this.$clickSelection || ev.getShiftKey()) {
            // Directly pick STATE_SELECT, since the user is not clicking inside
            // a selection.
            this.startSelect(pos);
        } else if (inSelection) {
            this.mousedownEvent.time = (new Date()).getTime();
            this.setState("dragWait");
        }

        this.captureMouse(ev);
        return ev.preventDefault();
    };

    this.startSelect = function(pos) {
        pos = pos || this.editor.renderer.screenToTextCoordinates(this.x, this.y);
        if (this.mousedownEvent.getShiftKey()) {
            this.editor.selection.selectToPosition(pos);
        }
        else if (!this.$clickSelection) {
            this.editor.moveCursorToPosition(pos);
            this.editor.selection.clearSelection();
        }
        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.$clickSelection.end;
                cursor = range.start;
            } else if (cmpEnd == 1 && cmpStart >= 0) {
                anchor = this.$clickSelection.start;
                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.startDrag = function() {
        var editor = this.editor;
        this.setState("drag");
        this.dragRange = editor.getSelectionRange();
        var style = editor.getSelectionStyle();
        this.dragSelectionMarker = editor.session.addMarker(this.dragRange, "ace_selection", style);
        editor.clearSelection();
        dom.addCssClass(editor.container, "ace_dragging");
        if (!this.$dragKeybinding) {
            this.$dragKeybinding = {
                handleKeyboard: function(data, hashId, keyString, keyCode) {
                    if (keyString == "esc")
                        return {command: this.command};
                },
                command: {
                    exec: function(editor) {
                        var self = editor.$mouseHandler;
                        self.dragCursor = null
                        self.dragEnd();
                        self.startSelect();
                    }
                }
            }
        }

        editor.keyBinding.addKeyboardHandler(this.$dragKeybinding);
    };

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

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

    this.dragWait = function(e) {
        var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
        var time = (new Date()).getTime();
        var editor = this.editor;

        if (distance > DRAG_OFFSET) {
            this.startSelect();
        } else if (time - this.mousedownEvent.time > editor.getDragDelay()) {
            this.startDrag();
        }
    };

    this.dragWaitEnd = function(e) {
        this.mousedownEvent.domEvent = e;
        this.startSelect();
    };

    this.drag = function() {
        var editor = this.editor;
        this.dragCursor = editor.renderer.screenToTextCoordinates(this.x, this.y);
        editor.moveCursorToPosition(this.dragCursor);
        editor.renderer.scrollCursorIntoView();
    };

    this.dragEnd = function(e) {
        var editor = this.editor;
        var dragCursor = this.dragCursor;
        var dragRange = this.dragRange;
        dom.removeCssClass(editor.container, "ace_dragging");
        editor.session.removeMarker(this.dragSelectionMarker);
        editor.keyBinding.removeKeyboardHandler(this.$dragKeybinding);

        if (!dragCursor)
            return;

        editor.clearSelection();
        if (e && (e.ctrlKey || e.altKey)) {
            var session = editor.session;
            var newRange = dragRange;
            newRange.end = session.insert(dragCursor, session.getTextRange(dragRange));
            newRange.start = dragCursor;
        } else if (dragRange.contains(dragCursor.row, dragCursor.column)) {
            return;
        } else {
            var newRange = editor.moveText(dragRange, dragCursor);
        }

        if (!newRange)
            return;

        editor.selection.setSelectionRange(newRange);
    };

    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.$clickSelection = range;
            this.setState("select");
            return;
        }
    
        this.$clickSelection = editor.selection.getWordRange(pos.row, pos.column);
        this.setState("selectByWords");
    };

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

        this.setState("selectByLines");

        editor.moveCursorToPosition(pos);
        editor.selection.selectLine();
        this.$clickSelection = editor.getSelectionRange();
    };

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

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

    this.onScroll = function(ev) {
        var editor = this.editor;
        var isScrolable = editor.renderer.isScrollableBy(ev.wheelX * ev.speed, ev.wheelY * ev.speed);
        if (isScrolable) {
            this.$passScrollEvent = false;
        } else {
            if (this.$passScrollEvent)
                return;

            if (!this.$scrollStopTimeout) {
                var self = this;
                this.$scrollStopTimeout = setTimeout(function() {
                    self.$passScrollEvent = true;
                    self.$scrollStopTimeout = null;
                }, 200);
            }
        }

        editor.renderer.scrollBy(ev.wheelX * ev.speed, ev.wheelY * ev.speed);
        return ev.preventDefault();
    };

}).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
        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/mouse/default_gutter_handler', ['require', 'exports', 'module' , 'ace/lib/dom'], function(require, exports, module) {

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

function GutterHandler(mouseHandler) {
    var editor = mouseHandler.editor;

    mouseHandler.editor.setDefaultHandler("guttermousedown", function(e) {
        var target = e.domEvent.target;
        if (target.className.indexOf("ace_gutter-cell") == -1)
            return;

        if (!editor.isFocused())
            return;

        var padding = parseInt(dom.computedStyle(target).paddingLeft);
        if (e.x < padding + target.getBoundingClientRect().left + 1)
            return;

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

        if (e.getShiftKey()) {
            selection.selectTo(row, 0);
        } else {
            selection.moveCursorTo(row, 0);
            selection.selectLine();
            mouseHandler.$clickSelection = selection.getRange();
        }

        mouseHandler.captureMouse(e, "selectByLines");
        return e.preventDefault();
    });
}

exports.GutterHandler = GutterHandler;

});

ace.define('ace/mouse/mouse_event', ['require', 'exports', 'module' , 'ace/lib/event', 'ace/lib/useragent'], function(require, exports, module) {


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;
        
        if (editor.getReadOnly()) {
            this.$inSelection = false;
        }
        else {
            var selectionRange = editor.getSelectionRange();
            if (selectionRange.isEmpty())
                this.$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', ['require', 'exports', 'module' , 'ace/lib/event'], function(require, exports, module) {


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

var DragdropHandler = function(mouseHandler) {
    var editor = mouseHandler.editor;
    var dragSelectionMarker, x, y;
    var timerId, range, isBackwards;
    var dragCursor, counter = 0;

    var mouseTarget = editor.container;
    event.addListener(mouseTarget, "dragenter", function(e) {console.log(e.type, counter,e.target);
        counter++;
        if (!dragSelectionMarker) {
            range = editor.getSelectionRange();
            isBackwards = editor.selection.isBackwards();
            var style = editor.getSelectionStyle();
            dragSelectionMarker = editor.session.addMarker(range, "ace_selection", style);
            editor.clearSelection();
            clearInterval(timerId);
            timerId = setInterval(onDragInterval, 20);
        }
        return event.preventDefault(e);
    });

    event.addListener(mouseTarget, "dragover", function(e) {
        x = e.clientX;
        y = e.clientY;
        return event.preventDefault(e);
    });
    
    var onDragInterval =  function() {
        dragCursor = editor.renderer.screenToTextCoordinates(x, y);
        editor.moveCursorToPosition(dragCursor);
        editor.renderer.scrollCursorIntoView();
    };
    
    event.addListener(mouseTarget, "dragleave", function(e) {console.log(e.type, counter,e.target);
        counter--;
        if (counter > 0)
            return;
        console.log(e.type, counter,e.target);
        clearInterval(timerId);
        editor.session.removeMarker(dragSelectionMarker);
        dragSelectionMarker = null;
        editor.selection.setSelectionRange(range, isBackwards);
        return event.preventDefault(e);
    });
    
    event.addListener(mouseTarget, "drop", function(e) {
        console.log(e.type, counter,e.target);
        counter = 0;
        clearInterval(timerId);
        editor.session.removeMarker(dragSelectionMarker);
        dragSelectionMarker = null;

        range.end = editor.session.insert(dragCursor, e.dataTransfer.getData('Text'));
        range.start = dragCursor;
        editor.focus();
        editor.selection.setSelectionRange(range);
        return event.preventDefault(e);
    });

};

exports.DragdropHandler = DragdropHandler;
});

ace.define('ace/mouse/fold_handler', ['require', 'exports', 'module' ], function(require, exports, module) {


function FoldHandler(editor) {
    
    editor.on("click", function(e) {
        var position = e.getDocumentPosition();
        var session = editor.session;
        
        // If the user clicked on a fold, then expand it.
        var fold = session.getFoldAt(position.row, position.column, 1);
        if (fold) {
            if (e.getAccelKey())
                session.removeFold(fold);
            else
                session.expandFold(fold);
                
            e.stop();
        }
    });
    
    editor.on("gutterclick", function(e) {
        if (e.domEvent.target.className.indexOf("ace_fold-widget") != -1) {
            var row = e.getDocumentPosition().row;
            editor.session.onFoldWidgetClick(row, e.domEvent);
            e.stop();
        }
    });
}

exports.FoldHandler = FoldHandler;

});

ace.define('ace/keyboard/keybinding', ['require', 'exports', 'module' , 'ace/lib/keys', 'ace/lib/event'], function(require, exports, module) {


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

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

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

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

        while (this.$handlers[1])
            this.removeKeyboardHandler(this.$handlers[1]);

        this.addKeyboardHandler(kb, 1);
    };

    this.addKeyboardHandler = function(kb, pos) {
        if (!kb)
            return;
        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.$callKeyboardHandlers = function (hashId, keyString, keyCode, e) {
        var toExecute;
        for (var i = this.$handlers.length; i--;) {
            toExecute = this.$handlers[i].handleKeyboard(
                this.$data, hashId, keyString, keyCode, e
            );
            if (toExecute && toExecute.command)
                break;
        }

        if (!toExecute || !toExecute.command)
            return false;

        var success = false;
        var commands = this.$editor.commands;

        // allow keyboardHandler to consume keys
        if (toExecute.command != "null")
            success = commands.exec(toExecute.command, this.$editor, toExecute.args, e);
        else
            success = toExecute.passEvent != true;

        // do not stop input events to not break repeating
        if (success && e && hashId != -1)
            event.stopEvent(e);

        return success;
    };

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

    this.onTextInput = function(text) {
        var success = this.$callKeyboardHandlers(-1, text);
        if (!success)
            this.$editor.commands.exec("insertstring", this.$editor, text);
    };

}).call(KeyBinding.prototype);

exports.KeyBinding = KeyBinding;
});

ace.define('ace/edit_session', ['require', 'exports', 'module' , 'ace/config', 'ace/lib/oop', 'ace/lib/lang', 'ace/lib/net', '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) {


var config = require("./config");
var oop = require("./lib/oop");
var lang = require("./lib/lang");
var net = require("./lib/net");
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;

/**
 * new EditSession(text, mode)
 * - text (Document | String): If `text` is a `Document`, it associates the `EditSession` with it. Otherwise, a new `Document` is created, with the initial text
 * - mode (TextMode): The inital language mode to use for the document
 *
 * Sets up a new `EditSession` and associates it with the given `Document` and `TextMode`.
 *
 **/

var EditSession = function(text, mode) {
    this.$modified = true;
    this.$breakpoints = [];
    this.$frontMarkers = {};
    this.$backMarkers = {};
    this.$markerId = 1;
    this.$resetRowCache(0);
    this.$wrapData = [];
    this.$foldData = [];
    this.$rowLengthCache = [];
    this.$undoSelect = true;
    this.$foldData.toString = function() {
        var str = "";
        this.forEach(function(foldLine) {
            str += "\n" + foldLine.toString();
        });
        return str;
    }

    if (typeof text == "object" && text.getLine) {
        this.setDocument(text);
    } else {
        this.setDocument(new Document(text));
    }

    this.selection = new Selection(this);
    this.setMode(mode);
};


(function() {

    oop.implement(this, EventEmitter);
    this.setDocument = function(doc) {
        if (this.doc)
            throw new Error("Document is already set");

        this.doc = doc;
        doc.on("change", this.onChange.bind(this));
        this.on("changeFold", this.onChangeFold.bind(this));

        if (this.bgTokenizer) {
            this.bgTokenizer.setDocument(this.getDocument());
            this.bgTokenizer.start(0);
        }
    };
    this.getDocument = function() {
        return this.doc;
    };
    this.$resetRowCache = function(docRrow) {
        if (!docRrow) {
            this.$docRowCache = [];
            this.$screenRowCache = [];
            return;
        }

        var i = this.$getRowCacheIndex(this.$docRowCache, docRrow) + 1;
        var l = this.$docRowCache.length;
        this.$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 && low -1;
    };
    this.onChangeFold = function(e) {
        var fold = e.data;
        this.$resetRowCache(fold.start.row);
    };
    this.onChange = function(e) {
        var delta = e.data;
        this.$modified = true;

        this.$resetRowCache(delta.range.start.row);

        var removedFolds = this.$updateInternalDataOnChange(e);
        if (!this.$fromUndo && this.$undoManager && !delta.ignore) {
            this.$deltasDoc.push(delta);
            if (removedFolds && removedFolds.length != 0) {
                this.$deltasFold.push({
                    action: "removeFolds",
                    folds:  removedFolds
                });
            }

            this.$informUndoManager.schedule();
        }

        this.bgTokenizer.$updateOnChange(delta);
        this._emit("change", e);
    };
    this.setValue = function(text) {
        this.doc.setValue(text);
        this.selection.moveCursorTo(0, 0);
        this.selection.clearSelection();

        this.$resetRowCache(0);
        this.$deltas = [];
        this.$deltasDoc = [];
        this.$deltasFold = [];
        this.getUndoManager().reset();
    };
    /** alias of: EditSession.getValue
    * EditSession.toString() -> String
    *
    * Returns the current [[Document `Document`]] as a string.
    *
    **/
    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) {
            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.highlight = function(re) {
        if (!this.$searchHighlight) {
            var highlight = new SearchHighlight(null, "ace_selected_word", "text");
            this.$searchHighlight = this.addDynamicMarker(highlight);
        }
        this.$searchHighlight.setRegexp(re);
    }
    /**
    * EditSession.setUndoManager(undoManager)
    * - undoManager (UndoManager): The new undo manager
    *
    * Sets the undo manager.
    **/
    this.setUndoManager = function(undoManager) {
        this.$undoManager = undoManager;
        this.$deltas = [];
        this.$deltasDoc = [];
        this.$deltasFold = [];

        if (this.$informUndoManager)
            this.$informUndoManager.cancel();

        if (undoManager) {
            var self = this;
            this.$syncInformUndoManager = function() {
                self.$informUndoManager.cancel();

                if (self.$deltasFold.length) {
                    self.$deltas.push({
                        group: "fold",
                        deltas: self.$deltasFold
                    });
                    self.$deltasFold = [];
                }

                if (self.$deltasDoc.length) {
                    self.$deltas.push({
                        group: "doc",
                        deltas: self.$deltasDoc
                    });
                    self.$deltasDoc = [];
                }

                if (self.$deltas.length > 0) {
                    undoManager.execute({
                        action: "aceupdate",
                        args: [self.$deltas, self]
                    });
                }

                self.$deltas = [];
            }
            this.$informUndoManager =
                lang.deferredCall(this.$syncInformUndoManager);
        }
    };

    this.$defaultUndoManager = {
        undo: function() {},
        redo: function() {},
        reset: function() {}
    };
    this.getUndoManager = function() {
        return this.$undoManager || this.$defaultUndoManager;
    },

    /**
    * EditSession.getTabString() -> String
    *
    * Returns the current value for tabs. If the user is using soft tabs, this will be a series of spaces (defined by [[EditSession.getTabSize `getTabSize()`]]); otherwise it's simply `'\t'`.
    **/
    this.getTabString = function() {
        if (this.getUseSoftTabs()) {
            return lang.stringRepeat(" ", this.getTabSize());
        } else {
            return "\t";
        }
    };

    this.$useSoftTabs = true;
    this.setUseSoftTabs = function(useSoftTabs) {
        if (this.$useSoftTabs === useSoftTabs) return;

        this.$useSoftTabs = useSoftTabs;
    };
    this.getUseSoftTabs = function() {
        return this.$useSoftTabs;
    };

    this.$tabSize = 4;
    this.setTabSize = function(tabSize) {
        if (isNaN(tabSize) || this.$tabSize === tabSize) return;

        this.$modified = true;
        this.$rowLengthCache = [];
        this.$tabSize = tabSize;
        this._emit("changeTabSize");
    };
    this.getTabSize = function() {
        return this.$tabSize;
    };
    this.isTabStop = function(position) {
        return this.$useSoftTabs && (position.column % this.$tabSize == 0);
    };

    this.$overwrite = false;
    this.setOverwrite = function(overwrite) {
        if (this.$overwrite == overwrite) return;

        this.$overwrite = overwrite;
        this._emit("changeOverwrite");
    };
    this.getOverwrite = function() {
        return this.$overwrite;
    };
    this.toggleOverwrite = function() {
        this.setOverwrite(!this.$overwrite);
    };
    this.getBreakpoints = function() {
        return this.$breakpoints;
    };
    this.setBreakpoints = function(rows) {
        this.$breakpoints = [];
        for (var i=0; i<rows.length; i++) {
            this.$breakpoints[rows[i]] = true;
        }
        this._emit("changeBreakpoint", {});
    };
    this.clearBreakpoints = function() {
        this.$breakpoints = [];
        this._emit("changeBreakpoint", {});
    };
    this.setBreakpoint = function(row) {
        this.$breakpoints[row] = true;
        this._emit("changeBreakpoint", {});
    };
    this.clearBreakpoint = function(row) {
        delete this.$breakpoints[row];
        this._emit("changeBreakpoint", {});
    };
    this.addMarker = function(range, clazz, type, inFront) {
        var id = this.$markerId++;

        var marker = {
            range : range,
            type : type || "line",
            renderer: typeof type == "function" ? type : null,
            clazz : clazz,
            inFront: !!inFront,
            id: id
        }

        if (inFront) {
            this.$frontMarkers[id] = marker;
            this._emit("changeFrontMarker")
        } else {
            this.$backMarkers[id] = marker;
            this._emit("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.$frontMarkers[id] = marker;
            this._emit("changeFrontMarker")
        } else {
            this.$backMarkers[id] = marker;
            this._emit("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;
        if (marker) {
            delete (markers[markerId]);
            this._emit(marker.inFront ? "changeFrontMarker" : "changeBackMarker");
        }
    };
    this.getMarkers = function(inFront) {
        return inFront ? this.$frontMarkers : this.$backMarkers;
    };
    /**
    * EditSession.setAnnotations(annotations)
    * - annotations (Array): A list of annotations
    *
    * Sets annotations for the `EditSession`. This functions emits the `'changeAnnotation'` event.
    **/
    this.setAnnotations = function(annotations) {
        this.$annotations = {};
        for (var i=0; i<annotations.length; i++) {
            var annotation = annotations[i];
            var row = annotation.row;
            if (this.$annotations[row])
                this.$annotations[row].push(annotation);
            else
                this.$annotations[row] = [annotation];
        }
        this._emit("changeAnnotation", {});
    };
    this.getAnnotations = function() {
        return this.$annotations || {};
    };
    this.clearAnnotations = function() {
        this.$annotations = {};
        this._emit("changeAnnotation", {});
    };
    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.$useWorker = true;
    this.setUseWorker = function(useWorker) {
        if (this.$useWorker == useWorker)
            return;

        this.$useWorker = useWorker;

        this.$stopWorker();
        if (useWorker)
            this.$startWorker();
    };
    this.getUseWorker = function() {
        return this.$useWorker;
    };
    this.onReloadTokenizer = function(e) {
        var rows = e.data;
        this.bgTokenizer.start(rows.first);
        this._emit("tokenizerUpdate", e);
    };

    this.$modes = {};
    this._loadMode = function(mode, callback) {
        if (!this.$modes["null"])
            this.$modes["null"] = this.$modes["ace/mode/text"] = new TextMode();

        if (this.$modes[mode])
            return callback(this.$modes[mode]);

        var _self = this;
        var module;
        try {
            module = require(mode);
        } catch (e) {};
        // sometimes require returns empty object (this bug is present in requirejs 2 as well)
        if (module && module.Mode)
            return done(module);

        // set mode to text until loading is finished
        if (!this.$mode)
            this.$setModePlaceholder();

        fetch(function() {
            require([mode], done);
        });

        function done(module) {
            if (_self.$modes[mode])
                return callback(_self.$modes[mode]);

            _self.$modes[mode] = new module.Mode();
            _self.$modes[mode].$id = mode;
            _self._emit("loadmode", {
                name: mode,
                mode: _self.$modes[mode]
            });
            callback(_self.$modes[mode]);
        }

        function fetch(callback) {
            if (!config.get("packaged"))
                return callback();

            var base = mode.split("/").pop();
            var filename = config.get("modePath") + "/mode-" + base + ".js";
            net.loadScript(filename, callback);
        }
    };

    this.$setModePlaceholder = function() {
        this.$mode = this.$modes["null"];
        var tokenizer = this.$mode.getTokenizer();

        if (!this.bgTokenizer) {
            this.bgTokenizer = new BackgroundTokenizer(tokenizer);
            var _self = this;
            this.bgTokenizer.addEventListener("update", function(e) {
                _self._emit("tokenizerUpdate", e);
            });
        } else {
            this.bgTokenizer.setTokenizer(tokenizer);
        }
        this.bgTokenizer.setDocument(this.getDocument());

        this.tokenRe = this.$mode.tokenRe;
        this.nonTokenRe = this.$mode.nonTokenRe;
    };
    this.$mode = null;
    this.$modeId = null;
    this.setMode = function(mode) {
        mode = mode || "null";
        // load on demand
        if (typeof mode === "string") {
            if (this.$modeId == mode)
                return;

            this.$modeId = mode;
            var _self = this;
            this._loadMode(mode, function(module) {
                if (_self.$modeId !== mode)
                    return;

                _self.setMode(module);
            });
            return;
        }

        if (this.$mode === mode) return;
        this.$mode = mode;
        this.$modeId = mode.$id;

        this.$stopWorker();

        if (this.$useWorker)
            this.$startWorker();

        var tokenizer = mode.getTokenizer();

        if(tokenizer.addEventListener !== undefined) {
            var onReloadTokenizer = this.onReloadTokenizer.bind(this);
            tokenizer.addEventListener("update", onReloadTokenizer);
        }

        if (!this.bgTokenizer) {
            this.bgTokenizer = new BackgroundTokenizer(tokenizer);
            var _self = this;
            this.bgTokenizer.addEventListener("update", function(e) {
                _self._emit("tokenizerUpdate", e);
            });
        } else {
            this.bgTokenizer.setTokenizer(tokenizer);
        }

        this.bgTokenizer.setDocument(this.getDocument());
        this.bgTokenizer.start(0);

        this.tokenRe = mode.tokenRe;
        this.nonTokenRe = mode.nonTokenRe;

        this.$setFolding(mode.foldingRules);

        this._emit("changeMode");
    };
    this.$stopWorker = function() {
        if (this.$worker)
            this.$worker.terminate();

        this.$worker = null;
    };
    this.$startWorker = function() {
        if (typeof Worker !== "undefined" && !require.noWorker) {
            try {
                this.$worker = this.$mode.createWorker(this);
            } catch (e) {
                console.log("Could not load worker");
                console.log(e);
                this.$worker = null;
            }
        }
        else
            this.$worker = null;
    };
    this.getMode = function() {
        return this.$mode;
    };

    this.$scrollTop = 0;
    this.setScrollTop = function(scrollTop) {
        scrollTop = Math.round(Math.max(0, scrollTop));
        if (this.$scrollTop === scrollTop)
            return;

        this.$scrollTop = scrollTop;
        this._emit("changeScrollTop", scrollTop);
    };
    this.getScrollTop = function() {
        return this.$scrollTop;
    };

    this.$scrollLeft = 0;
    this.setScrollLeft = function(scrollLeft) {
        scrollLeft = Math.round(Math.max(0, scrollLeft));
        if (this.$scrollLeft === scrollLeft)
            return;

        this.$scrollLeft = scrollLeft;
        this._emit("changeScrollLeft", scrollLeft);
    };
    this.getScrollLeft = function() {
        return this.$scrollLeft;
    };
    this.getScreenWidth = function() {
        this.$computeWidth();
        return this.screenWidth;
    };

    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.undoChanges = function(deltas, dontSelect) {
        if (!deltas.length)
            return;

        this.$fromUndo = true;
        var lastUndoRange = null;
        for (var i = deltas.length - 1; i != -1; i--) {
            var delta = deltas[i];
            if (delta.group == "doc") {
                this.doc.revertDeltas(delta.deltas);
                lastUndoRange =
                    this.$getUndoSelection(delta.deltas, true, lastUndoRange);
            } else {
                delta.deltas.forEach(function(foldDelta) {
                    this.addFolds(foldDelta.folds);
                }, this);
            }
        }
        this.$fromUndo = false;
        lastUndoRange &&
            this.$undoSelect &&
            !dontSelect &&
            this.selection.setSelectionRange(lastUndoRange);
        return lastUndoRange;
    };
    this.redoChanges = function(deltas, dontSelect) {
        if (!deltas.length)
            return;

        this.$fromUndo = true;
        var lastUndoRange = null;
        for (var i = 0; i < deltas.length; i++) {
            var delta = deltas[i];
            if (delta.group == "doc") {
                this.doc.applyDeltas(delta.deltas);
                lastUndoRange =
                    this.$getUndoSelection(delta.deltas, false, lastUndoRange);
            }
        }
        this.$fromUndo = false;
        lastUndoRange &&
            this.$undoSelect &&
            !dontSelect &&
            this.selection.setSelectionRange(lastUndoRange);
        return lastUndoRange;
    };
    this.setUndoSelect = function(enable) {
        this.$undoSelect = enable;
    };
    this.$getUndoSelection = function(deltas, isUndo, lastUndoRange) {
        function isInsert(delta) {
            var insert =
                delta.action == "insertText" || delta.action == "insertLines";
            return isUndo ? !insert : insert;
        }

        var delta = deltas[0];
        var range, point;
        var lastDeltaIsInsert = false;
        if (isInsert(delta)) {
            range = delta.range.clone();
            lastDeltaIsInsert = true;
        } else {
            range = Range.fromPoints(delta.range.start, delta.range.start);
            lastDeltaIsInsert = false;
        }

        for (var i = 1; i < deltas.length; i++) {
            delta = deltas[i];
            if (isInsert(delta)) {
                point = delta.range.start;
                if (range.compare(point.row, point.column) == -1) {
                    range.setStart(delta.range.start);
                }
                point = delta.range.end;
                if (range.compare(point.row, point.column) == 1) {
                    range.setEnd(delta.range.end);
                }
                lastDeltaIsInsert = true;
            } else {
                point = delta.range.start;
                if (range.compare(point.row, point.column) == -1) {
                    range =
                        Range.fromPoints(delta.range.start, delta.range.start);
                }
                lastDeltaIsInsert = false;
            }
        }

        // Check if this range and the last undo range has something in common.
        // If true, merge the ranges.
        if (lastUndoRange != null) {
            var cmp = lastUndoRange.compareRange(range);
            if (cmp == 1) {
                range.setStart(lastUndoRange.start);
            } else if (cmp == -1) {
                range.setEnd(lastUndoRange.end);
            }
        }

        return range;
    },

    /** related to: Document.replace
    * EditSession.replace(range, text) -> Object
    * - range (Range): A specified Range to replace
    * - text (String): The new text to use as a replacement
    * + (Object): Returns an object containing the final row and column, like this:<br/>
    * ```{row: endRow, column: 0}```<br/>
    * If the text and range are empty, this function returns an object containing the current `range.start` value.<br/>
    * If the text is the exact same as what currently exists, this function returns an object containing the current `range.end` value.
    *
    * Replaces a range in the document with the new `text`.
    *
    *
    *
    **/
    this.replace = function(range, text) {
        return this.doc.replace(range, text);
    };
    this.moveText = function(fromRange, toPosition) {
        var text = this.getTextRange(fromRange);
        this.remove(fromRange);

        var toRow = toPosition.row;
        var toColumn = toPosition.column;

        // Make sure to update the insert location, when text is removed in
        // front of the chosen point of insertion.
        if (!fromRange.isMultiLine() && fromRange.start.row == toRow &&
            fromRange.end.column < toColumn)
            toColumn -= text.length;

        if (fromRange.isMultiLine() && fromRange.end.row < toRow) {
            var lines = this.doc.$split(text);
            toRow -= lines.length - 1;
        }

        var endRow = toRow + fromRange.end.row - fromRange.start.row;
        var endColumn = fromRange.isMultiLine() ?
                        fromRange.end.column :
                        toColumn + fromRange.end.column - fromRange.start.column;

        var toRange = new Range(toRow, toColumn, endRow, endColumn);

        this.insert(toRange.start, text);

        return toRange;
    };
    this.indentRows = function(startRow, endRow, indentString) {
        indentString = indentString.replace(/\t/g, this.getTabString());
        for (var row=startRow; row<=endRow; row++)
            this.insert({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.moveLinesUp = function(firstRow, lastRow) {
        if (firstRow <= 0) return 0;

        var removed = this.doc.removeLines(firstRow, lastRow);
        this.doc.insertLines(firstRow - 1, removed);
        return -1;
    };
    this.moveLinesDown = function(firstRow, lastRow) {
        if (lastRow >= this.doc.getLength()-1) return 0;

        var removed = this.doc.removeLines(firstRow, lastRow);
        this.doc.insertLines(firstRow+1, removed);
        return 1;
    };
    this.duplicateLines = function(firstRow, lastRow) {
        var firstRow = this.$clipRowToDocument(firstRow);
        var lastRow = this.$clipRowToDocument(lastRow);

        var lines = this.getLines(firstRow, lastRow);
        this.doc.insertLines(firstRow, lines);

        var addedRows = lastRow - firstRow + 1;
        return addedRows;
    };


    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;
    };

    // WRAPMODE
    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 wrapMode is activaed, the wrapData array has to be initialized.
            if (useWrapMode) {
                var len = this.getLength();
                this.$wrapData = [];
                for (var i = 0; i < len; i++) {
                    this.$wrapData.push([]);
                }
                this.$updateWrapData(0, len - 1);
            }

            this._emit("changeWrapMode");
        }
    };
    this.getUseWrapMode = function() {
        return this.$useWrapMode;
    };

    // Allow the wrap limit to move freely between min and max. Either
    // parameter can be null to allow the wrap limit to be unconstrained
    // in that direction. Or set both parameters to the same number to pin
    // the limit to that value.
    /**
    * EditSession.setWrapLimitRange(min, max)
    * - min (Number): The minimum wrap value (the left side wrap)
    * - max (Number): The maximum wrap value (the right side wrap)
    *
    * Sets the boundaries of wrap. Either value can be `null` to have an unconstrained wrap, or, they can be the same number to pin the limit. If the wrap limits for `min` or `max` are different, this method also emits the `'changeWrapMode'` event.
    **/
    this.setWrapLimitRange = function(min, max) {
        if (this.$wrapLimitRange.min !== min || this.$wrapLimitRange.max !== max) {
            this.$wrapLimitRange.min = min;
            this.$wrapLimitRange.max = max;
            this.$modified = true;
            // This will force a recalculation of the wrap limit
            this._emit("changeWrapMode");
        }
    };
    this.adjustWrapLimit = function(desiredLimit) {
        var wrapLimit = this.$constrainWrapLimit(desiredLimit);
        if (wrapLimit != this.$wrapLimit && wrapLimit > 0) {
            this.$wrapLimit = wrapLimit;
            this.$modified = true;
            if (this.$useWrapMode) {
                this.$updateWrapData(0, this.getLength() - 1);
                this.$resetRowCache(0)
                this._emit("changeWrapLimit");
            }
            return true;
        }
        return false;
    };
    this.$constrainWrapLimit = function(wrapLimit) {
        var min = this.$wrapLimitRange.min;
        if (min)
            wrapLimit = Math.max(min, wrapLimit);

        var max = this.$wrapLimitRange.max;
        if (max)
            wrapLimit = Math.min(max, wrapLimit);

        // What would a limit of 0 even mean?
        return Math.max(1, wrapLimit);
    };
    this.getWrapLimit = function() {
        return this.$wrapLimit;
    };
    this.getWrapLimitRange = function() {
        // Avoid unexpected mutation by returning a copy
        return {
            min : this.$wrapLimitRange.min,
            max : this.$wrapLimitRange.max
        };
    };
    this.$updateInternalDataOnChange = function(e) {
        var useWrapMode = this.$useWrapMode;
        var len;
        var action = e.data.action;
        var firstRow = e.data.range.start.row;
        var lastRow = e.data.range.end.row;
        var start = e.data.range.start;
        var end = e.data.range.end;
        var removedFolds = null;

        if (action.indexOf("Lines") != -1) {
            if (action == "insertLines") {
                lastRow = firstRow + (e.data.lines.length);
            } else {
                lastRow = firstRow;
            }
            len = e.data.lines ? e.data.lines.length : lastRow - firstRow;
        } else {
            len = lastRow - firstRow;
        }

        if (len != 0) {
            if (action.indexOf("remove") != -1) {
                this[useWrapMode ? "$wrapData" : "$rowLengthCache"].splice(firstRow, len);

                var foldLines = this.$foldData;
                removedFolds = this.getFoldsInRange(e.data.range);
                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;
                if (useWrapMode) {
                    args = [firstRow, 0];
                    for (var i = 0; i < len; i++) args.push([]);
                    this.$wrapData.splice.apply(this.$wrapData, args);
                } else {
                    args = Array(len);
                    args.unshift(firstRow, 0);
                    this.$rowLengthCache.splice.apply(this.$rowLengthCache, args);
                }

                // If some new line is added inside of a foldLine, then split
                // the fold line up.
                var foldLines = this.$foldData;
                var foldLine = this.getFoldLine(firstRow);
                var idx = 0;
                if (foldLine) {
                    var cmp = foldLine.range.compareInside(start.row, start.column)
                    // Inside of the foldLine range. Need to split stuff up.
                    if (cmp == 0) {
                        foldLine = foldLine.split(start.row, start.column);
                        foldLine.shiftRow(len);
                        foldLine.addRemoveChars(
                            lastRow, 0, end.column - start.column);
                    } else
                    // Infront of the foldLine but same row. Need to shift column.
                    if (cmp == -1) {
                        foldLine.addRemoveChars(firstRow, 0, end.column - start.column);
                        foldLine.shiftRow(len);
                    }
                    // Nothing to do if the insert is after the foldLine.
                    idx = foldLines.indexOf(foldLine) + 1;
                }

                for (idx; idx < foldLines.length; idx++) {
                    var foldLine = foldLines[idx];
                    if (foldLine.start.row >= firstRow) {
                        foldLine.shiftRow(len);
                    }
                }
            }
        } else {
            // Realign folds. E.g. if you add some new chars before a fold, the
            // fold should "move" to the right.
            len = Math.abs(e.data.range.start.column - e.data.range.end.column);
            if (action.indexOf("remove") != -1) {
                // Get all the folds in the change range and remove them.
                removedFolds = this.getFoldsInRange(e.data.range);
                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!");
        }

        if (useWrapMode)
            this.$updateWrapData(firstRow, lastRow);
        else
            this.$updateRowLengthCache(firstRow, lastRow);

        return removedFolds;
    };

    this.$updateRowLengthCache = function(firstRow, lastRow, b) {
        //console.log(firstRow, lastRow, b)
        this.$rowLengthCache[firstRow] = null;
        this.$rowLengthCache[lastRow] = null;
        //console.log(this.$rowLengthCache)
    };
    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.$getDisplayTokens(lang.stringTrimRight(lines[row]));
                wrapData[row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
                row ++;
            } else {
                tokens = [];
                foldLine.walk(
                    function(placeholder, row, column, lastColumn) {
                        var walkTokens;
                        if (placeholder) {
                            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
                );
                // Remove spaces/tabs from the back of the token array.
                while (tokens.length != 0 && tokens[tokens.length - 1] >= SPACE)
                    tokens.pop();

                wrapData[foldLine.start.row]
                    = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
                row = foldLine.end.row + 1;
            }
        }
    };

    // "Tokens"
    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) {
        if (tokens.length == 0) {
            return [];
        }

        var splits = [];
        var displayLength = tokens.length;
        var lastSplit = 0, lastDocSplit = 0;

        function addSplit(screenPos) {
            var displayed = tokens.slice(lastSplit, screenPos);

            // The document size is the current size - the extra width for tabs
            // and multipleWidth characters.
            var len = displayed.length;
            displayed.join("").
                // Get all the TAB_SPACEs.
                replace(/12/g, function() {
                    len -= 1;
                }).
                // Get all the CHAR_EXT/multipleWidth characters.
                replace(/2/g, function() {
                    len -= 1;
                });

            lastDocSplit += len;
            splits.push(lastDocSplit);
            lastSplit = screenPos;
        }

        while (displayLength - lastSplit > wrapLimit) {
            // This is, where the split should be.
            var split = lastSplit + wrapLimit;

            // If there is a space or tab at this split position, then making
            // a split is simple.
            if (tokens[split] >= SPACE) {
                // Include all following spaces + tabs in this split as well.
                while (tokens[split] >= SPACE) {
                    split ++;
                }
                addSplit(split);
                continue;
            }

            // === ELSE ===
            // Check if split is inside of a placeholder. Placeholder are
            // not splitable. Therefore, seek the beginning of the placeholder
            // and try to place the split beofre the placeholder's start.
            if (tokens[split] == PLACEHOLDER_START
                || tokens[split] == PLACEHOLDER_BODY)
            {
                // Seek the start of the placeholder and do the split
                // before the placeholder. By definition there always
                // a PLACEHOLDER_START between split and lastSplit.
                for (split; split != lastSplit - 1; split--) {
                    if (tokens[split] == PLACEHOLDER_START) {
                        // split++; << No incremental here as we want to
                        //  have the position before the Placeholder.
                        break;
                    }
                }

                // If the PLACEHOLDER_START is not the index of the
                // last split, then we can do the split
                if (split > lastSplit) {
                    addSplit(split);
                    continue;
                }

                // If the PLACEHOLDER_START IS the index of the last
                // split, then we have to place the split after the
                // placeholder. So, let's seek for the end of the placeholder.
                split = lastSplit + wrapLimit;
                for (split; split < tokens.length; split++) {
                    if (tokens[split] != PLACEHOLDER_BODY)
                    {
                        break;
                    }
                }

                // If spilt == tokens.length, then the placeholder is the last
                // thing in the line and adding a new split doesn't make sense.
                if (split == tokens.length) {
                    break;  // Breaks the while-loop.
                }

                // Finally, add the split...
                addSplit(split);
                continue;
            }

            // === ELSE ===
            // Search for the first non space/tab/placeholder/punctuation token backwards.
            var minSplit = Math.max(split - 10, lastSplit - 1);
            while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
                split --;
            }
            while (split > minSplit && tokens[split] == PUNCTUATION) {
                split --;
            }
            // If we found one, then add the split.
            if (split > minSplit) {
                addSplit(++split);
                continue;
            }

            // === ELSE ===
            split = lastSplit + wrapLimit;
            // The split is inside of a CHAR or CHAR_EXT token and no space
            // around -> force a split.
            addSplit(split);
        }
        return splits;
    }

    /** internal, hide
    * EditSession.$getDisplayTokens(str, offset) -> Array
    * - str (String): The string to check
    * - offset (Number): The value to start at
    *
    * Given a string, returns an array of the display characters, including tabs and spaces.
    **/
    this.$getDisplayTokens = function(str, offset) {
        var arr = [];
        var tabSize;
        offset = offset || 0;

        for (var i = 0; i < str.length; i++) {
            var c = str.charCodeAt(i);
            // Tab
            if (c == 9) {
                tabSize = this.getScreenTabSize(arr.length + offset);
                arr.push(TAB);
                for (var n = 1; n < tabSize; n++) {
                    arr.push(TAB_SPACE);
                }
            }
            // Space
            else if (c == 32) {
                arr.push(SPACE);
            } else if((c > 39 && c < 48) || (c > 57 && c < 64)) {
                arr.push(PUNCTUATION);
            }
            // full width characters
            else if (c >= 0x1100 && isFullWidth(c)) {
                arr.push(CHAR, CHAR_EXT);
            } else {
                arr.push(CHAR);
            }
        }
        return arr;
    }

    /** internal, hide
    * EditSession.$getStringScreenWidth(str, maxScreenColumn, screenColumn) -> [Number]
    * - str (String): The string to calculate the screen width of
    * - maxScreenColumn (Number):
    * - screenColumn (Number):
    * + ([Number]): Returns an `int[]` array with two elements:<br/>
    * The first position indicates the number of columns for `str` on screen.<br/>
    * The second value contains the position of the document column that this function read until.
    *
    * Calculates the width of the string `str` on the screen while assuming that the string starts at the first column on the screen.
    *
    *
    **/
    this.$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);
            // tab
            if (c == 9) {
                screenColumn += this.getScreenTabSize(screenColumn);
            }
            // full width characters
            else if (c >= 0x1100 && isFullWidth(c)) {
                screenColumn += 2;
            } else {
                screenColumn += 1;
            }
            if (screenColumn > maxScreenColumn) {
                break
            }
        }

        return [screenColumn, column];
    }

    /**
    * EditSession.getRowLength(row) -> Number
    * - row (Number): The row number to check
    *
    *
    * Returns the length of the indicated row.
    **/
    this.getRowLength = function(row) {
        if (!this.$useWrapMode || !this.$wrapData[row]) {
            return 1;
        } else {
            return this.$wrapData[row].length + 1;
        }
    }

    /**
    * EditSession.getRowHeight(config, row) -> Number
    * - config (Object): An object containing a parameter indicating the `lineHeight`.
    * - row (Number): The row number to check
    *
    * Returns the height of the indicated row. This is mostly relevant for situations where wrapping occurs, and a single line spans across multiple rows.
    *
     **/
    this.getRowHeight = function(config, row) {
        return this.getRowLength(row) * config.lineHeight;
    }

    /** internal, hide, related to: EditSession.documentToScreenColumn
    * EditSession.getScreenLastRowColumn(screenRow) -> Number
    * - screenRow (Number): The screen row to check
    *
    * Returns the column position (on screen) for the last character in the provided row.
    **/
    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;
    };
    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) {
        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 row1 = rowCache[i];
        var docRow1 = this.$docRowCache[i];
        if (0 < i && i < rowCache.length) {
            var row = rowCache[i];
            var docRow = this.$docRowCache[i];
            var doCache = screenRow > row || (screenRow == row && i == rowCache.length - 1);
        } else {
            var doCache = true;
        }

        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 - 1 >= 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) {
            // clip at the end of the document
            return {
                row: maxRow,
                column: this.getLine(maxRow).length
            }
        } else {
            line = this.getLine(docRow);
            foldLine = null;
        }

        if (this.$useWrapMode) {
            var splits = this.$wrapData[docRow];
            if (splits) {
                column = splits[screenRow - row];
                if(screenRow > row && splits.length) {
                    docColumn = splits[screenRow - row - 1] || splits[splits.length - 1];
                    line = line.substring(docColumn);
                }
            }
        }

        docColumn += this.$getStringScreenWidth(line, screenColumn)[1];

        // We remove one character at the end so that the docColumn
        // position returned is not associated to the next row on the screen.
        if (this.$useWrapMode && docColumn >= column)
            docColumn = column - 1;

        if (foldLine)
            return foldLine.idxToPosition(docColumn);

        return {row: docRow, column: docColumn};
    };
    this.documentToScreenPosition = function(docRow, docColumn) {
        // Normalize the passed in arguments.
        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;

        // Clamp the docRow position in case it's inside of a folded block.
        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);
        if (0 < i && i < rowCache.length) {
            var row = rowCache[i];
            var screenRow = this.$screenRowCache[i];
            var doCache = docRow > row || (docRow == row && i == rowCache.length - 1);
        } else {
            var doCache = true;
        }

        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);
            }
        }

        // Calculate the text line that is displayed in docRow on the screen.
        var textLine = "";
        // Check if the final row we want to reach is inside of a fold.
        if (foldLine && row >= foldStart) {
            textLine = this.getFoldDisplayLine(foldLine, docRow, docColumn);
            foldStartRow = foldLine.start.row;
        } else {
            textLine = this.getLine(docRow).substring(0, docColumn);
            foldStartRow = docRow;
        }
        // Clamp textLine if in wrapMode.
        if (this.$useWrapMode) {
            var wrapRow = this.$wrapData[foldStartRow];
            var screenRowOffset = 0;
            while (textLine.length >= wrapRow[screenRowOffset]) {
                screenRow ++;
                screenRowOffset++;
            }
            textLine = textLine.substring(
                wrapRow[screenRowOffset - 1] || 0, textLine.length
            );
        }

        return {
            row: screenRow,
            column: 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();

            // Remove the folded lines again.
            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) {
                screenRows += this.$wrapData[row].length + 1;
                row ++;
                if (row > foldStart) {
                    row = fold.end.row+1;
                    fold = this.$foldData[i++];
                    foldStart = fold ?fold.start.row :Infinity;
                }
            }
        }

        return screenRows;
    }

    // For every keystroke this gets called once per char in the whole doc!!
    // Wouldn't hurt to make it a bit faster for c >= 0x1100
    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);

exports.EditSession = EditSession;
});

ace.define('ace/config', ['require', 'exports', 'module' , 'ace/lib/lang'], function(require, exports, module) {
"no use strict";

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

var global = (function() {
    return this;
})();

var options = {
    packaged: false,
    workerPath: "",
    modePath: "",
    themePath: "",
    suffix: ".js"
};

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))
        throw new Error("Unknown config key: " + key);
        
    options[key] = value;
};

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

exports.init = function() {
    options.packaged = require.packaged || module.packaged || (global.define && define.packaged);

    if (!global.document)
        return "";

    var scriptOptions = {};
    var scriptUrl = "";
    
    var scripts = document.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\.js)(?:\?|$)/);
        if (m) {
            scriptUrl = m[1] || m[2];
        }
    }
    
    if (scriptUrl) {
        scriptOptions.base = scriptOptions.base || scriptUrl;
        scriptOptions.packaged = true;
    }
    
    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")
            exports.set(key, scriptOptions[key]);
};

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

});
ace.define('ace/lib/net', ['require', 'exports', 'module' ], function(require, exports, module) {


exports.get = function (url, callback) {
    var xhr = exports.createXhr();
    xhr.open('GET', url, true);
    xhr.onreadystatechange = function (evt) {
        //Do not explicitly handle errors, those should be
        //visible via console output in the browser.
        if (xhr.readyState === 4) {
            callback(xhr.responseText);
        }
    };
    xhr.send(null);
};

var progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'];

exports.createXhr = function() {
    //Would love to dump the ActiveX crap in here. Need IE 6 to die first.
    var xhr, i, progId;
    if (typeof XMLHttpRequest !== "undefined") {
        return new XMLHttpRequest();
    } else {
        for (i = 0; i < 3; i++) {
            progId = progIds[i];
            try {
                xhr = new ActiveXObject(progId);
            } catch (e) {}

            if (xhr) {
                progIds = [progId];  // so faster next time
                break;
            }
        }
    }

    if (!xhr) {
        throw new Error("createXhr(): XMLHttpRequest not available");
    }

    return xhr;
};

exports.loadScript = function(path, callback) {
    var head = document.getElementsByTagName('head')[0];
    var s = document.createElement('script');

    s.src = path;
    head.appendChild(s);
    
    s.onload = callback;
};

});

ace.define('ace/lib/event_emitter', ['require', 'exports', 'module' ], function(require, exports, module) {


var EventEmitter = {};

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;

    e = e || {};
    e.type = eventName;
    
    if (!e.stopPropagation) {
        e.stopPropagation = function() {
            this.propagationStopped = true;
        };
    }
    
    if (!e.preventDefault) {
        e.preventDefault = function() {
            this.defaultPrevented = true;
        };
    }

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

EventEmitter.setDefaultHandler = function(eventName, callback) {
    this._defaultHandlers = this._defaultHandlers || {};
    
    if (this._defaultHandlers[eventName])
        throw new Error("The default handler for '" + eventName + "' is already set");
        
    this._defaultHandlers[eventName] = callback;
};

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

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

    if (listeners.indexOf(callback) == -1)
        listeners.push(callback);
};

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 (this._eventRegistry) this._eventRegistry[eventName] = [];
};

exports.EventEmitter = EventEmitter;

});

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


var oop = require("./lib/oop");
var lang = require("./lib/lang");
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var Range = require("./range").Range;

/**
 * new Selection(session)
 * - session (EditSession): The session to use
 *
 * Creates a new `Selection` object.
 *
**/
var Selection = function(session) {
    this.session = session;
    this.doc = session.getDocument();

    this.clearSelection();
    this.lead = this.selectionLead = this.doc.createAnchor(0, 0);
    this.anchor = this.selectionAnchor = this.doc.createAnchor(0, 0);

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

    this.selectionAnchor.on("change", function() {
        if (!self.$isEmpty)
            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() {
        if (this.isEmpty()) {
            return false;
        }

        return this.getRange().isMultiLine();
    };
    this.getCursor = function() {
        return this.lead.getPosition();
    };
    this.setSelectionAnchor = function(row, column) {
        this.anchor.setPosition(row, column);

        if (this.$isEmpty) {
            this.$isEmpty = false;
            this._emit("changeSelection");
        }
    };
    this.getSelectionAnchor = function() {
        if (this.$isEmpty)
            return this.getSelectionLead()
        else
            return this.anchor.getPosition();
    };
    this.getSelectionLead = function() {
        return this.lead.getPosition();
    };
    this.shiftSelection = function(columns) {
        if (this.$isEmpty) {
            this.moveCursorTo(this.lead.row, this.lead.column + columns);
            return;
        };

        var anchor = this.getSelectionAnchor();
        var lead = this.getSelectionLead();

        var isBackwards = this.isBackwards();

        if (!isBackwards || anchor.column !== 0)
            this.setSelectionAnchor(anchor.row, anchor.column + columns);

        if (isBackwards || lead.column !== 0) {
            this.$moveSelection(function() {
                this.moveCursorTo(lead.row, lead.column + columns);
            });
        }
    };
    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);

        if (this.isBackwards()) {
            return Range.fromPoints(lead, anchor);
        }
        else {
            return Range.fromPoints(anchor, lead);
        }
    };
    this.clearSelection = function() {
        if (!this.$isEmpty) {
            this.$isEmpty = true;
            this._emit("changeSelection");
        }
    };
    this.selectAll = function() {
        var lastRow = this.doc.getLength() - 1;
        this.setSelectionAnchor(0, 0);
        this.moveCursorTo(lastRow, this.doc.getLine(lastRow).length);
    };
    this.setRange =
    this.setSelectionRange = function(range, reverse) {
        if (reverse) {
            this.setSelectionAnchor(range.end.row, range.end.column);
            this.selectTo(range.start.row, range.start.column);
        } else {
            this.setSelectionAnchor(range.start.row, range.start.column);
            this.selectTo(range.end.row, range.end.column);
        }
        this.$desiredColumn = null;
    };

    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.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)
            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.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) {
            // cursor is a line (start
            if (cursor.row > 0) {
                this.moveCursorTo(cursor.row - 1, this.doc.getLine(cursor.row - 1).length);
            }
        }
        else {
            var tabSize = this.session.getTabSize();
            if (this.session.isTabStop(cursor) && this.doc.getLine(cursor.row).slice(cursor.column-tabSize, cursor.column).split(" ").length-1 == tabSize)
                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.session.isTabStop(cursor) && this.doc.getLine(cursor.row).slice(cursor.column, cursor.column+tabSize).split(" ").length-1 == tabSize)
                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);

        // Determ the doc-position of the first character at the screen line.
        var firstColumnPosition = this.session.screenToDocumentPosition(screenRow, 0);

        // Determ the line
        var beforeCursor = this.session.getDisplayLine(
            row, null,
            firstColumnPosition.row, firstColumnPosition.column
        );

        var leadingSpace = beforeCursor.match(/^\s*/);
        if (leadingSpace[0].length == column) {
            this.moveCursorTo(
                firstColumnPosition.row, firstColumnPosition.column
            );
        }
        else {
            this.moveCursorTo(
                firstColumnPosition.row,
                firstColumnPosition.column + leadingSpace[0].length
            );
        }
    };
    this.moveCursorLineEnd = function() {
        var lead = this.lead;
        var lastRowColumnPosition =
            this.session.getDocumentLastRowColumnPosition(lead.row, lead.column);
        this.moveCursorTo(
            lastRowColumnPosition.row,
            lastRowColumnPosition.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);

        var match;
        this.session.nonTokenRe.lastIndex = 0;
        this.session.tokenRe.lastIndex = 0;

        // skip folds
        var fold = this.session.getFoldAt(row, column, 1);
        if (fold) {
            this.moveCursorTo(fold.end.row, fold.end.column);
            return;
        }

        // first skip space
        if (match = this.session.nonTokenRe.exec(rightOfCursor)) {
            column += this.session.nonTokenRe.lastIndex;
            this.session.nonTokenRe.lastIndex = 0;
            rightOfCursor = line.substring(column);
        }

        // if at line end proceed with next line
        if (column >= line.length) {
            this.moveCursorTo(row, line.length);
            this.moveCursorRight();
            if (row < this.doc.getLength() - 1)
                this.moveCursorWordRight();
            return;
        }

        // advance to the end of the next token
        if (match = 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;

        // skip folds
        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);
        var match;
        this.session.nonTokenRe.lastIndex = 0;
        this.session.tokenRe.lastIndex = 0;

        // skip whitespace
        if (match = this.session.nonTokenRe.exec(leftOfCursor)) {
            column -= this.session.nonTokenRe.lastIndex;
            leftOfCursor = leftOfCursor.slice(this.session.nonTokenRe.lastIndex);
            this.session.nonTokenRe.lastIndex = 0;
        }

        // if at begin of the line proceed in line above
        if (column <= 0) {
            this.moveCursorTo(row, 0);
            this.moveCursorLeft();
            if (row > 0)
                this.moveCursorWordLeft();
            return;
        }

        // move to the begin of the word
        if (match = this.session.tokenRe.exec(leftOfCursor)) {
            column -= this.session.tokenRe.lastIndex;
            this.session.tokenRe.lastIndex = 0;
        }

        this.moveCursorTo(row, column);
    };

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

        tokenRe.lastIndex = 0;
        if (match = 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
        );

        if (chars === 0) {
            if (this.$desiredColumn)
                screenPos.column = this.$desiredColumn;
            else
                this.$desiredColumn = screenPos.column;
        }

        var docPos = this.session.screenToDocumentPosition(screenPos.row + rows, screenPos.column);

        // move the cursor and update the desired 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) {
        // Ensure the row/column is not inside of a fold.
        var fold = this.session.getFoldAt(row, column, 1);
        if (fold) {
            row = fold.start.row;
            column = fold.start.column;
        }

        this.$keepDesiredColumnOnChange = true;
        this.lead.setPosition(row, column);
        this.$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);
    };

    // remove listeners from document
    this.detach = function() {
        this.lead.detach();
        this.anchor.detach();
        this.session = this.doc = null;
    }

    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;
    }

}).call(Selection.prototype);

exports.Selection = Selection;
});

ace.define('ace/range', ['require', 'exports', 'module' ], function(require, exports, module) {


/**
 * class Range
 *
 * This object is used in various places to indicate a region within the editor. To better visualize how this works, imagine a rectangle. Each quadrant of the rectangle is analogus to a range, as ranges contain a starting row and starting column, and an ending row, and ending column.
 *
 **/

/**
 * new Range(startRow, startColumn, endRow, endColumn)
 * - startRow (Number): The starting row
 * - startColumn (Number): The starting column
 * - endRow (Number): The ending row
 * - endColumn (Number): The ending column
 *
 * Creates a new `Range` object with the given starting and ending row and column points.
 *
 **/
var Range = function(startRow, startColumn, endRow, endColumn) {
    this.start = {
        row: startRow,
        column: startColumn
    };

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

(function() {
    /**
     * Range.isEqual(range) -> Boolean
     * - range (Range): A range to check against
     *
     * Returns `true` if and only if the starting row and column, and ending tow and column, are equivalent to those given by `range`.
     *
     **/ 
    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;
            }
        }
    }

    /** related to: Range.compare
     * Range.comparePoint(p) -> Number
     * - p (Range): A point to compare with
     * + (Number): This method returns one of the following numbers:<br/>
     * * `0` if the two points are exactly equal<br/>
     * * `-1` if `p.row` is less then the calling range<br/>
     * * `1` if `p.row` is greater than the calling range<br/>
     * <br/>
     * If the starting row of the calling range is equal to `p.row`, and:<br/>
     * * `p.column` is greater than or equal to the calling range's starting column, this returns `0`<br/>
     * * Otherwise, it returns -1<br/>
     *<br/>
     * If the ending row of the calling range is equal to `p.row`, and:<br/>
     * * `p.column` is less than or equal to the calling range's ending column, this returns `0`<br/>
     * * Otherwise, it returns 1<br/>
     *
     * Checks the row and column points of `p` with the row and column points of the calling range.
     *
     * 
     *
     **/ 
    this.comparePoint = function(p) {
        return this.compare(p.row, p.column);
    }

    /** related to: Range.comparePoint
     * Range.containsRange(range) -> Boolean
     * - range (Range): A range to compare with
     *
     * Checks the start and end points of `range` and compares them to the calling range. Returns `true` if the `range` is contained within the caller's range.
     *
     **/ 
    this.containsRange = function(range) {
        return this.comparePoint(range.start) == 0 && this.comparePoint(range.end) == 0;
    }

    /**
     * Range.intersects(range) -> Boolean
     * - range (Range): A range to compare with
     *
     * Returns `true` if passed in `range` intersects with the one calling this method.
     *
     **/
    this.intersects = function(range) {
        var cmp = this.compareRange(range);
        return (cmp == -1 || cmp == 0 || cmp == 1);
    }

    /**
     * Range.isEnd(row, column) -> Boolean
     * - row (Number): A row point to compare with
     * - column (Number): A column point to compare with
     *
     * Returns `true` if the caller's ending row point is the same as `row`, and if the caller's ending column is the same as `column`.
     *
     **/
    this.isEnd = function(row, column) {
        return this.end.row == row && this.end.column == column;
    }

    /**
     * Range.isStart(row, column) -> Boolean
     * - row (Number): A row point to compare with
     * - column (Number): A column point to compare with
     *
     * Returns `true` if the caller's starting row point is the same as `row`, and if the caller's starting column is the same as `column`.
     *
     **/ 
    this.isStart = function(row, column) {
        return this.start.row == row && this.start.column == column;
    }

    /**
     * Range.setStart(row, column)
     * - row (Number): A row point to set
     * - column (Number): A column point to set
     *
     * Sets the starting row and column for the range.
     *
     **/ 
    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;
        }
    }

    /**
     * Range.setEnd(row, column)
     * - row (Number): A row point to set
     * - column (Number): A column point to set
     *
     * Sets the starting row and column for the range.
     *
     **/ 
    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;
        }
    }

    /** related to: Range.compare
     * Range.inside(row, column) -> Boolean
     * - row (Number): A row point to compare with
     * - column (Number): A column point to compare with
     *
     * Returns `true` if the `row` and `column` are within the given range.
     *
     **/ 
    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;
    }

    /** related to: Range.compare
     * Range.insideStart(row, column) -> Boolean
     * - row (Number): A row point to compare with
     * - column (Number): A column point to compare with
     *
     * Returns `true` if the `row` and `column` are within the given range's starting points.
     *
     **/ 
    this.insideStart = function(row, column) {
        if (this.compare(row, column) == 0) {
            if (this.isEnd(row, column)) {
                return false;
            } else {
                return true;
            }
        }
        return false;
    }

    /** related to: Range.compare
     * Range.insideEnd(row, column) -> Boolean
     * - row (Number): A row point to compare with
     * - column (Number): A column point to compare with
     *
     * Returns `true` if the `row` and `column` are within the given range's ending points.
     *
     **/ 
    this.insideEnd = function(row, column) {
        if (this.compare(row, column) == 0) {
            if (this.isStart(row, column)) {
                return false;
            } else {
                return true;
            }
        }
        return false;
    }

    /** 
     * Range.compare(row, column) -> Number
     * - row (Number): A row point to compare with
     * - column (Number): A column point to compare with
     * + (Number): This method returns one of the following numbers:<br/>
     * * `0` if the two points are exactly equal <br/>
     * * `-1` if `p.row` is less then the calling range <br/>
     * * `1` if `p.row` is greater than the calling range <br/>
     *  <br/>
     * If the starting row of the calling range is equal to `p.row`, and: <br/>
     * * `p.column` is greater than or equal to the calling range's starting column, this returns `0`<br/>
     * * Otherwise, it returns -1<br/>
     * <br/>
     * If the ending row of the calling range is equal to `p.row`, and: <br/>
     * * `p.column` is less than or equal to the calling range's ending column, this returns `0` <br/>
     * * Otherwise, it returns 1
     *
     * Checks the row and column points with the row and column points of the calling range.
     *
     *
     **/
    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);
        }
    }

    /**
     * Range.compareEnd(row, column) -> Number
     * - row (Number): A row point to compare with
     * - column (Number): A column point to compare with
     * + (Number): This method returns one of the following numbers:<br/>
     * * `0` if the two points are exactly equal<br/>
     * * `-1` if `p.row` is less then the calling range<br/>
     * * `1` if `p.row` is greater than the calling range, or if `isEnd` is `true.<br/>
     * <br/>
     * If the starting row of the calling range is equal to `p.row`, and:<br/>
     * * `p.column` is greater than or equal to the calling range's starting column, this returns `0`<br/>
     * * Otherwise, it returns -1<br/>
     *<br/>
     * If the ending row of the calling range is equal to `p.row`, and:<br/>
     * * `p.column` is less than or equal to the calling range's ending column, this returns `0`<br/>
     * * Otherwise, it returns 1
     *
     * Checks the row and column points with the row and column points of the calling range.
     *
     *
     **/
    this.compareEnd = function(row, column) {
        if (this.end.row == row && this.end.column == column) {
            return 1;
        } else {
            return this.compare(row, column);
        }
    }

    /** 
     * Range.compareInside(row, column) -> Number
     * - row (Number): A row point to compare with
     * - column (Number): A column point to compare with
     * + (Number): This method returns one of the following numbers:<br/>
     * * `1` if the ending row of the calling range is equal to `row`, and the ending column of the calling range is equal to `column`<br/>
     * * `-1` if the starting row of the calling range is equal to `row`, and the starting column of the calling range is equal to `column`<br/>
     * <br/>
     * Otherwise, it returns the value after calling [[Range.compare `compare()`]].
     *
     * Checks the row and column points with the row and column points of the calling range.
     *
     *
     *
     **/
    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);
        }
    }

    /** 
     * Range.clipRows(firstRow, lastRow) -> Range
     * - firstRow (Number): The starting row
     * - lastRow (Number): The ending row
     *
     * Returns the part of the current `Range` that occurs within the boundaries of `firstRow` and `lastRow` as a new `Range` object.
     *
    **/
    this.clipRows = function(firstRow, lastRow) {
        if (this.end.row > lastRow) {
            var end = {
                row: lastRow+1,
                column: 0
            };
        }

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

        if (this.start.row < firstRow) {
            var start = {
                row: firstRow,
                column: 0
            };
        }

        if (this.end.row < firstRow) {
            var end = {
                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
        );
    };

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

exports.Range = Range;
});

ace.define('ace/mode/text', ['require', 'exports', 'module' , 'ace/tokenizer', 'ace/mode/text_highlight_rules', 'ace/mode/behaviour', 'ace/unicode'], function(require, exports, module) {


var Tokenizer = require("../tokenizer").Tokenizer;
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
var Behaviour = require("./behaviour").Behaviour;
var unicode = require("../unicode");

var Mode = function() {
    this.$tokenizer = new Tokenizer(new TextHighlightRules().getRules());
    this.$behaviour = new Behaviour();
};

(function() {

    this.tokenRe = new RegExp("^["
        + unicode.packages.L
        + unicode.packages.Mn + unicode.packages.Mc
        + unicode.packages.Nd
        + unicode.packages.Pc + "\\$_]+", "g"
    );
    
    this.nonTokenRe = new RegExp("^(?:[^"
        + unicode.packages.L
        + unicode.packages.Mn + unicode.packages.Mc
        + unicode.packages.Nd
        + unicode.packages.Pc + "\\$_]|\s])+", "g"
    );

    this.getTokenizer = function() {
        return this.$tokenizer;
    };

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

    this.getNextLineIndent = function(state, line, tab) {
        return "";
    };

    this.checkOutdent = function(state, line, input) {
        return false;
    };

    this.autoOutdent = function(state, doc, row) {
    };

    this.$getIndent = function(line) {
        var match = line.match(/^(\s+)/);
        if (match) {
            return match[1];
        }

        return "";
    };
    
    this.createWorker = function(session) {
        return null;
    };

    this.createModeDelegates = function (mapping) {
        if (!this.$embeds) {
            return;
        }
        this.$modes = {};
        for (var i = 0; i < this.$embeds.length; i++) {
            if (mapping[this.$embeds[i]]) {
                this.$modes[this.$embeds[i]] = new mapping[this.$embeds[i]]();
            }
        }
        
        var delegations = ['toggleCommentLines', 'getNextLineIndent', 'checkOutdent', 'autoOutdent', 'transformAction'];

        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];
        
        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;
                    }
                }
            }
        }
    }
    
}).call(Mode.prototype);

exports.Mode = Mode;
});

ace.define('ace/tokenizer', ['require', 'exports', 'module' ], function(require, exports, module) {


/**
 * class Tokenizer
 *
 * This class takes a set of highlighting rules, and creates a tokenizer out of them. For more information, see [the wiki on extending highlighters](https://github.com/ajaxorg/ace/wiki/Creating-or-Extending-an-Edit-Mode#wiki-extendingTheHighlighter).
 *
 **/

/**
 * new Tokenizer(rules, flag)
 * - rules (Object): The highlighting rules
 * - flag (String): Any additional regular expression flags to pass (like "i" for case insensitive)
 *
 * Constructs a new tokenizer based on the given rules and flags.
 *
 **/
var Tokenizer = function(rules, flag) {
    flag = flag ? "g" + flag : "g";
    this.rules = rules;

    this.regExps = {};
    this.matchMappings = {};
    for ( var key in this.rules) {
        var rule = this.rules[key];
        var state = rule;
        var ruleRegExps = [];
        var matchTotal = 0;
        var mapping = this.matchMappings[key] = {};

        for ( var i = 0; i < state.length; i++) {

            if (state[i].regex instanceof RegExp)
                state[i].regex = state[i].regex.toString().slice(1, -1);

            // Count number of matching groups. 2 extra groups from the full match
            // And the catch-all on the end (used to force a match);
            var matchcount = new RegExp("(?:(" + state[i].regex + ")|(.))").exec("a").length - 2;

            // Replace any backreferences and offset appropriately.
            var adjustedregex = state[i].regex.replace(/\\([0-9]+)/g, function (match, digit) {
                return "\\" + (parseInt(digit, 10) + matchTotal + 1);
            });

            if (matchcount > 1 && state[i].token.length !== matchcount-1)
                throw new Error("Matching groups and length of the token array don't match in rule #" + i + " of state " + key);

            mapping[matchTotal] = {
                rule: i,
                len: matchcount
            };
            matchTotal += matchcount;

            ruleRegExps.push(adjustedregex);
        }

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

(function() {

    /**
    * Tokenizer.getLineTokens() -> Object
    *
    * Returns an object containing two properties: `tokens`, which contains all the tokens; and `state`, the current state.
    **/
    this.getLineTokens = function(line, startState) {
        var currentState = startState || "start";
        var state = this.rules[currentState];
        var mapping = this.matchMappings[currentState];
        var re = this.regExps[currentState];
        re.lastIndex = 0;

        var match, tokens = [];

        var lastIndex = 0;

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

        while (match = re.exec(line)) {
            var type = "text";
            var rule = null;
            var value = [match[0]];

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

                rule = state[mapping[i].rule];

                if (mapping[i].len > 1)
                    value = match.slice(i+2, i+1+mapping[i].len);

                // compute token type
                if (typeof rule.token == "function")
                    type = rule.token.apply(this, value);
                else
                    type = rule.token;

                if (rule.next) {
                    currentState = rule.next;
                    state = this.rules[currentState];
                    mapping = this.matchMappings[currentState];
                    lastIndex = re.lastIndex;

                    re = this.regExps[currentState];
                    re.lastIndex = lastIndex;
                }
                break;
            }

            if (value[0]) {
                if (typeof type == "string") {
                    value = [value.join("")];
                    type = [type];
                }
                for (var i = 0; i < value.length; i++) {
                    if (!value[i])
                        continue;

                    if ((!rule || rule.merge || type[i] === "text") && token.type === type[i]) {
                        token.value += value[i];
                    } else {
                        if (token.type)
                            tokens.push(token);

                        token = {
                            type: type[i],
                            value: value[i]
                        };
                    }
                }
            }

            if (lastIndex == line.length)
                break;

            lastIndex = re.lastIndex;
        }

        if (token.type)
            tokens.push(token);

        return {
            tokens : tokens,
            state : currentState
        };
    };

}).call(Tokenizer.prototype);

exports.Tokenizer = Tokenizer;
});

ace.define('ace/mode/text_highlight_rules', ['require', 'exports', 'module' , 'ace/lib/lang'], function(require, exports, module) {


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

var TextHighlightRules = function() {

    // regexp must not have capturing parentheses
    // regexps are ordered -> the first match is used

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

(function() {

    this.addRules = function(rules, prefix) {
        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.next = prefix + rule.next;
                }
            }
            this.$rules[prefix + key] = state;
        }
    };

    this.getRules = function() {
        return this.$rules;
    };
    
    this.embedRules = function (HighlightRules, prefix, escapeRules, states) {
        var embedRules = new HighlightRules().getRules();
        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);
        
        for (var i = 0; i < states.length; i++) {
            Array.prototype.unshift.apply(this.$rules[states[i]], lang.deepCopy(escapeRules));
        }
        
        if (!this.$embeds) {
            this.$embeds = [];
        }
        this.$embeds.push(prefix);
    }
    
    this.getEmbeds = function() {
        return this.$embeds;
    }

}).call(TextHighlightRules.prototype);

exports.TextHighlightRules = TextHighlightRules;
});

ace.define('ace/mode/behaviour', ['require', 'exports', 'module' ], function(require, exports, module) {


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/unicode', ['require', 'exports', 'module' ], function(require, exports, module) {


/*
XRegExp Unicode plugin pack: Categories 1.0
(c) 2010 Steven Levithan
MIT License
<http://xregexp.com>
Uses the Unicode 5.2 character database

This package for the XRegExp Unicode plugin enables the following Unicode categories (aka properties):

L - Letter (the top-level Letter category is included in the Unicode plugin base script)
    Ll - Lowercase letter
    Lu - Uppercase letter
    Lt - Titlecase letter
    Lm - Modifier letter
    Lo - Letter without case
M - Mark
    Mn - Non-spacing mark
    Mc - Spacing combining mark
    Me - Enclosing mark
N - Number
    Nd - Decimal digit
    Nl - Letter number
    No -  Other number
P - Punctuation
    Pd - Dash punctuation
    Ps - Open punctuation
    Pe - Close punctuation
    Pi - Initial punctuation
    Pf - Final punctuation
    Pc - Connector punctuation
    Po - Other punctuation
S - Symbol
    Sm - Math symbol
    Sc - Currency symbol
    Sk - Modifier symbol
    So - Other symbol
Z - Separator
    Zs - Space separator
    Zl - Line separator
    Zp - Paragraph separator
C - Other
    Cc - Control
    Cf - Format
    Co - Private use
    Cs - Surrogate
    Cn - Unassigned

Example usage:

    \p{N}
    \p{Cn}
*/


// will be populated by addUnicodePackage
exports.packages = {};

addUnicodePackage({
    L:  "0041-005A0061-007A00AA00B500BA00C0-00D600D8-00F600F8-02C102C6-02D102E0-02E402EC02EE0370-037403760377037A-037D03860388-038A038C038E-03A103A3-03F503F7-0481048A-05250531-055605590561-058705D0-05EA05F0-05F20621-064A066E066F0671-06D306D506E506E606EE06EF06FA-06FC06FF07100712-072F074D-07A507B107CA-07EA07F407F507FA0800-0815081A082408280904-0939093D09500958-0961097109720979-097F0985-098C098F09900993-09A809AA-09B009B209B6-09B909BD09CE09DC09DD09DF-09E109F009F10A05-0A0A0A0F0A100A13-0A280A2A-0A300A320A330A350A360A380A390A59-0A5C0A5E0A72-0A740A85-0A8D0A8F-0A910A93-0AA80AAA-0AB00AB20AB30AB5-0AB90ABD0AD00AE00AE10B05-0B0C0B0F0B100B13-0B280B2A-0B300B320B330B35-0B390B3D0B5C0B5D0B5F-0B610B710B830B85-0B8A0B8E-0B900B92-0B950B990B9A0B9C0B9E0B9F0BA30BA40BA8-0BAA0BAE-0BB90BD00C05-0C0C0C0E-0C100C12-0C280C2A-0C330C35-0C390C3D0C580C590C600C610C85-0C8C0C8E-0C900C92-0CA80CAA-0CB30CB5-0CB90CBD0CDE0CE00CE10D05-0D0C0D0E-0D100D12-0D280D2A-0D390D3D0D600D610D7A-0D7F0D85-0D960D9A-0DB10DB3-0DBB0DBD0DC0-0DC60E01-0E300E320E330E40-0E460E810E820E840E870E880E8A0E8D0E94-0E970E99-0E9F0EA1-0EA30EA50EA70EAA0EAB0EAD-0EB00EB20EB30EBD0EC0-0EC40EC60EDC0EDD0F000F40-0F470F49-0F6C0F88-0F8B1000-102A103F1050-1055105A-105D106110651066106E-10701075-1081108E10A0-10C510D0-10FA10FC1100-1248124A-124D1250-12561258125A-125D1260-1288128A-128D1290-12B012B2-12B512B8-12BE12C012C2-12C512C8-12D612D8-13101312-13151318-135A1380-138F13A0-13F41401-166C166F-167F1681-169A16A0-16EA1700-170C170E-17111720-17311740-17511760-176C176E-17701780-17B317D717DC1820-18771880-18A818AA18B0-18F51900-191C1950-196D1970-19741980-19AB19C1-19C71A00-1A161A20-1A541AA71B05-1B331B45-1B4B1B83-1BA01BAE1BAF1C00-1C231C4D-1C4F1C5A-1C7D1CE9-1CEC1CEE-1CF11D00-1DBF1E00-1F151F18-1F1D1F20-1F451F48-1F4D1F50-1F571F591F5B1F5D1F5F-1F7D1F80-1FB41FB6-1FBC1FBE1FC2-1FC41FC6-1FCC1FD0-1FD31FD6-1FDB1FE0-1FEC1FF2-1FF41FF6-1FFC2071207F2090-209421022107210A-211321152119-211D212421262128212A-212D212F-2139213C-213F2145-2149214E218321842C00-2C2E2C30-2C5E2C60-2CE42CEB-2CEE2D00-2D252D30-2D652D6F2D80-2D962DA0-2DA62DA8-2DAE2DB0-2DB62DB8-2DBE2DC0-2DC62DC8-2DCE2DD0-2DD62DD8-2DDE2E2F300530063031-3035303B303C3041-3096309D-309F30A1-30FA30FC-30FF3105-312D3131-318E31A0-31B731F0-31FF3400-4DB54E00-9FCBA000-A48CA4D0-A4FDA500-A60CA610-A61FA62AA62BA640-A65FA662-A66EA67F-A697A6A0-A6E5A717-A71FA722-A788A78BA78CA7FB-A801A803-A805A807-A80AA80C-A822A840-A873A882-A8B3A8F2-A8F7A8FBA90A-A925A930-A946A960-A97CA984-A9B2A9CFAA00-AA28AA40-AA42AA44-AA4BAA60-AA76AA7AAA80-AAAFAAB1AAB5AAB6AAB9-AABDAAC0AAC2AADB-AADDABC0-ABE2AC00-D7A3D7B0-D7C6D7CB-D7FBF900-FA2DFA30-FA6DFA70-FAD9FB00-FB06FB13-FB17FB1DFB1F-FB28FB2A-FB36FB38-FB3CFB3EFB40FB41FB43FB44FB46-FBB1FBD3-FD3DFD50-FD8FFD92-FDC7FDF0-FDFBFE70-FE74FE76-FEFCFF21-FF3AFF41-FF5AFF66-FFBEFFC2-FFC7FFCA-FFCFFFD2-FFD7FFDA-FFDC",
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    Mc: "0903093E-09400949-094C094E0982098309BE-09C009C709C809CB09CC09D70A030A3E-0A400A830ABE-0AC00AC90ACB0ACC0B020B030B3E0B400B470B480B4B0B4C0B570BBE0BBF0BC10BC20BC6-0BC80BCA-0BCC0BD70C01-0C030C41-0C440C820C830CBE0CC0-0CC40CC70CC80CCA0CCB0CD50CD60D020D030D3E-0D400D46-0D480D4A-0D4C0D570D820D830DCF-0DD10DD8-0DDF0DF20DF30F3E0F3F0F7F102B102C10311038103B103C105610571062-10641067-106D108310841087-108C108F109A-109C17B617BE-17C517C717C81923-19261929-192B193019311933-193819B0-19C019C819C91A19-1A1B1A551A571A611A631A641A6D-1A721B041B351B3B1B3D-1B411B431B441B821BA11BA61BA71BAA1C24-1C2B1C341C351CE11CF2A823A824A827A880A881A8B4-A8C3A952A953A983A9B4A9B5A9BAA9BBA9BD-A9C0AA2FAA30AA33AA34AA4DAA7BABE3ABE4ABE6ABE7ABE9ABEAABEC",
    Me: "0488048906DE20DD-20E020E2-20E4A670-A672",
    N:  "0030-003900B200B300B900BC-00BE0660-066906F0-06F907C0-07C90966-096F09E6-09EF09F4-09F90A66-0A6F0AE6-0AEF0B66-0B6F0BE6-0BF20C66-0C6F0C78-0C7E0CE6-0CEF0D66-0D750E50-0E590ED0-0ED90F20-0F331040-10491090-10991369-137C16EE-16F017E0-17E917F0-17F91810-18191946-194F19D0-19DA1A80-1A891A90-1A991B50-1B591BB0-1BB91C40-1C491C50-1C5920702074-20792080-20892150-21822185-21892460-249B24EA-24FF2776-27932CFD30073021-30293038-303A3192-31953220-32293251-325F3280-328932B1-32BFA620-A629A6E6-A6EFA830-A835A8D0-A8D9A900-A909A9D0-A9D9AA50-AA59ABF0-ABF9FF10-FF19",
    Nd: "0030-00390660-066906F0-06F907C0-07C90966-096F09E6-09EF0A66-0A6F0AE6-0AEF0B66-0B6F0BE6-0BEF0C66-0C6F0CE6-0CEF0D66-0D6F0E50-0E590ED0-0ED90F20-0F291040-10491090-109917E0-17E91810-18191946-194F19D0-19DA1A80-1A891A90-1A991B50-1B591BB0-1BB91C40-1C491C50-1C59A620-A629A8D0-A8D9A900-A909A9D0-A9D9AA50-AA59ABF0-ABF9FF10-FF19",
    Nl: "16EE-16F02160-21822185-218830073021-30293038-303AA6E6-A6EF",
    No: "00B200B300B900BC-00BE09F4-09F90BF0-0BF20C78-0C7E0D70-0D750F2A-0F331369-137C17F0-17F920702074-20792080-20892150-215F21892460-249B24EA-24FF2776-27932CFD3192-31953220-32293251-325F3280-328932B1-32BFA830-A835",
    P:  "0021-00230025-002A002C-002F003A003B003F0040005B-005D005F007B007D00A100AB00B700BB00BF037E0387055A-055F0589058A05BE05C005C305C605F305F40609060A060C060D061B061E061F066A-066D06D40700-070D07F7-07F90830-083E0964096509700DF40E4F0E5A0E5B0F04-0F120F3A-0F3D0F850FD0-0FD4104A-104F10FB1361-13681400166D166E169B169C16EB-16ED1735173617D4-17D617D8-17DA1800-180A1944194519DE19DF1A1E1A1F1AA0-1AA61AA8-1AAD1B5A-1B601C3B-1C3F1C7E1C7F1CD32010-20272030-20432045-20512053-205E207D207E208D208E2329232A2768-277527C527C627E6-27EF2983-299829D8-29DB29FC29FD2CF9-2CFC2CFE2CFF2E00-2E2E2E302E313001-30033008-30113014-301F3030303D30A030FBA4FEA4FFA60D-A60FA673A67EA6F2-A6F7A874-A877A8CEA8CFA8F8-A8FAA92EA92FA95FA9C1-A9CDA9DEA9DFAA5C-AA5FAADEAADFABEBFD3EFD3FFE10-FE19FE30-FE52FE54-FE61FE63FE68FE6AFE6BFF01-FF03FF05-FF0AFF0C-FF0FFF1AFF1BFF1FFF20FF3B-FF3DFF3FFF5BFF5DFF5F-FF65",
    Pd: "002D058A05BE140018062010-20152E172E1A301C303030A0FE31FE32FE58FE63FF0D",
    Ps: "0028005B007B0F3A0F3C169B201A201E2045207D208D23292768276A276C276E27702772277427C527E627E827EA27EC27EE2983298529872989298B298D298F299129932995299729D829DA29FC2E222E242E262E283008300A300C300E3010301430163018301A301DFD3EFE17FE35FE37FE39FE3BFE3DFE3FFE41FE43FE47FE59FE5BFE5DFF08FF3BFF5BFF5FFF62",
    Pe: "0029005D007D0F3B0F3D169C2046207E208E232A2769276B276D276F27712773277527C627E727E927EB27ED27EF298429862988298A298C298E2990299229942996299829D929DB29FD2E232E252E272E293009300B300D300F3011301530173019301B301E301FFD3FFE18FE36FE38FE3AFE3CFE3EFE40FE42FE44FE48FE5AFE5CFE5EFF09FF3DFF5DFF60FF63",
    Pi: "00AB2018201B201C201F20392E022E042E092E0C2E1C2E20",
    Pf: "00BB2019201D203A2E032E052E0A2E0D2E1D2E21",
    Pc: "005F203F20402054FE33FE34FE4D-FE4FFF3F",
    Po: "0021-00230025-0027002A002C002E002F003A003B003F0040005C00A100B700BF037E0387055A-055F058905C005C305C605F305F40609060A060C060D061B061E061F066A-066D06D40700-070D07F7-07F90830-083E0964096509700DF40E4F0E5A0E5B0F04-0F120F850FD0-0FD4104A-104F10FB1361-1368166D166E16EB-16ED1735173617D4-17D617D8-17DA1800-18051807-180A1944194519DE19DF1A1E1A1F1AA0-1AA61AA8-1AAD1B5A-1B601C3B-1C3F1C7E1C7F1CD3201620172020-20272030-2038203B-203E2041-20432047-205120532055-205E2CF9-2CFC2CFE2CFF2E002E012E06-2E082E0B2E0E-2E162E182E192E1B2E1E2E1F2E2A-2E2E2E302E313001-3003303D30FBA4FEA4FFA60D-A60FA673A67EA6F2-A6F7A874-A877A8CEA8CFA8F8-A8FAA92EA92FA95FA9C1-A9CDA9DEA9DFAA5C-AA5FAADEAADFABEBFE10-FE16FE19FE30FE45FE46FE49-FE4CFE50-FE52FE54-FE57FE5F-FE61FE68FE6AFE6BFF01-FF03FF05-FF07FF0AFF0CFF0EFF0FFF1AFF1BFF1FFF20FF3CFF61FF64FF65",
    S:  "0024002B003C-003E005E0060007C007E00A2-00A900AC00AE-00B100B400B600B800D700F702C2-02C502D2-02DF02E5-02EB02ED02EF-02FF03750384038503F604820606-0608060B060E060F06E906FD06FE07F609F209F309FA09FB0AF10B700BF3-0BFA0C7F0CF10CF20D790E3F0F01-0F030F13-0F170F1A-0F1F0F340F360F380FBE-0FC50FC7-0FCC0FCE0FCF0FD5-0FD8109E109F13601390-139917DB194019E0-19FF1B61-1B6A1B74-1B7C1FBD1FBF-1FC11FCD-1FCF1FDD-1FDF1FED-1FEF1FFD1FFE20442052207A-207C208A-208C20A0-20B8210021012103-21062108210921142116-2118211E-2123212521272129212E213A213B2140-2144214A-214D214F2190-2328232B-23E82400-24262440-244A249C-24E92500-26CD26CF-26E126E326E8-26FF2701-27042706-2709270C-27272729-274B274D274F-27522756-275E2761-276727942798-27AF27B1-27BE27C0-27C427C7-27CA27CC27D0-27E527F0-29822999-29D729DC-29FB29FE-2B4C2B50-2B592CE5-2CEA2E80-2E992E9B-2EF32F00-2FD52FF0-2FFB300430123013302030363037303E303F309B309C319031913196-319F31C0-31E33200-321E322A-32503260-327F328A-32B032C0-32FE3300-33FF4DC0-4DFFA490-A4C6A700-A716A720A721A789A78AA828-A82BA836-A839AA77-AA79FB29FDFCFDFDFE62FE64-FE66FE69FF04FF0BFF1C-FF1EFF3EFF40FF5CFF5EFFE0-FFE6FFE8-FFEEFFFCFFFD",
    Sm: "002B003C-003E007C007E00AC00B100D700F703F60606-060820442052207A-207C208A-208C2140-2144214B2190-2194219A219B21A021A321A621AE21CE21CF21D221D421F4-22FF2308-230B23202321237C239B-23B323DC-23E125B725C125F8-25FF266F27C0-27C427C7-27CA27CC27D0-27E527F0-27FF2900-29822999-29D729DC-29FB29FE-2AFF2B30-2B442B47-2B4CFB29FE62FE64-FE66FF0BFF1C-FF1EFF5CFF5EFFE2FFE9-FFEC",
    Sc: "002400A2-00A5060B09F209F309FB0AF10BF90E3F17DB20A0-20B8A838FDFCFE69FF04FFE0FFE1FFE5FFE6",
    Sk: "005E006000A800AF00B400B802C2-02C502D2-02DF02E5-02EB02ED02EF-02FF0375038403851FBD1FBF-1FC11FCD-1FCF1FDD-1FDF1FED-1FEF1FFD1FFE309B309CA700-A716A720A721A789A78AFF3EFF40FFE3",
    So: "00A600A700A900AE00B000B60482060E060F06E906FD06FE07F609FA0B700BF3-0BF80BFA0C7F0CF10CF20D790F01-0F030F13-0F170F1A-0F1F0F340F360F380FBE-0FC50FC7-0FCC0FCE0FCF0FD5-0FD8109E109F13601390-1399194019E0-19FF1B61-1B6A1B74-1B7C210021012103-21062108210921142116-2118211E-2123212521272129212E213A213B214A214C214D214F2195-2199219C-219F21A121A221A421A521A7-21AD21AF-21CD21D021D121D321D5-21F32300-2307230C-231F2322-2328232B-237B237D-239A23B4-23DB23E2-23E82400-24262440-244A249C-24E92500-25B625B8-25C025C2-25F72600-266E2670-26CD26CF-26E126E326E8-26FF2701-27042706-2709270C-27272729-274B274D274F-27522756-275E2761-276727942798-27AF27B1-27BE2800-28FF2B00-2B2F2B452B462B50-2B592CE5-2CEA2E80-2E992E9B-2EF32F00-2FD52FF0-2FFB300430123013302030363037303E303F319031913196-319F31C0-31E33200-321E322A-32503260-327F328A-32B032C0-32FE3300-33FF4DC0-4DFFA490-A4C6A828-A82BA836A837A839AA77-AA79FDFDFFE4FFE8FFEDFFEEFFFCFFFD",
    Z:  "002000A01680180E2000-200A20282029202F205F3000",
    Zs: "002000A01680180E2000-200A202F205F3000",
    Zl: "2028",
    Zp: "2029",
    C:  "0000-001F007F-009F00AD03780379037F-0383038B038D03A20526-05300557055805600588058B-059005C8-05CF05EB-05EF05F5-0605061C061D0620065F06DD070E070F074B074C07B2-07BF07FB-07FF082E082F083F-08FF093A093B094F095609570973-097809800984098D098E0991099209A909B109B3-09B509BA09BB09C509C609C909CA09CF-09D609D8-09DB09DE09E409E509FC-0A000A040A0B-0A0E0A110A120A290A310A340A370A3A0A3B0A3D0A43-0A460A490A4A0A4E-0A500A52-0A580A5D0A5F-0A650A76-0A800A840A8E0A920AA90AB10AB40ABA0ABB0AC60ACA0ACE0ACF0AD1-0ADF0AE40AE50AF00AF2-0B000B040B0D0B0E0B110B120B290B310B340B3A0B3B0B450B460B490B4A0B4E-0B550B58-0B5B0B5E0B640B650B72-0B810B840B8B-0B8D0B910B96-0B980B9B0B9D0BA0-0BA20BA5-0BA70BAB-0BAD0BBA-0BBD0BC3-0BC50BC90BCE0BCF0BD1-0BD60BD8-0BE50BFB-0C000C040C0D0C110C290C340C3A-0C3C0C450C490C4E-0C540C570C5A-0C5F0C640C650C70-0C770C800C810C840C8D0C910CA90CB40CBA0CBB0CC50CC90CCE-0CD40CD7-0CDD0CDF0CE40CE50CF00CF3-0D010D040D0D0D110D290D3A-0D3C0D450D490D4E-0D560D58-0D5F0D640D650D76-0D780D800D810D840D97-0D990DB20DBC0DBE0DBF0DC7-0DC90DCB-0DCE0DD50DD70DE0-0DF10DF5-0E000E3B-0E3E0E5C-0E800E830E850E860E890E8B0E8C0E8E-0E930E980EA00EA40EA60EA80EA90EAC0EBA0EBE0EBF0EC50EC70ECE0ECF0EDA0EDB0EDE-0EFF0F480F6D-0F700F8C-0F8F0F980FBD0FCD0FD9-0FFF10C6-10CF10FD-10FF1249124E124F12571259125E125F1289128E128F12B112B612B712BF12C112C612C712D7131113161317135B-135E137D-137F139A-139F13F5-13FF169D-169F16F1-16FF170D1715-171F1737-173F1754-175F176D17711774-177F17B417B517DE17DF17EA-17EF17FA-17FF180F181A-181F1878-187F18AB-18AF18F6-18FF191D-191F192C-192F193C-193F1941-1943196E196F1975-197F19AC-19AF19CA-19CF19DB-19DD1A1C1A1D1A5F1A7D1A7E1A8A-1A8F1A9A-1A9F1AAE-1AFF1B4C-1B4F1B7D-1B7F1BAB-1BAD1BBA-1BFF1C38-1C3A1C4A-1C4C1C80-1CCF1CF3-1CFF1DE7-1DFC1F161F171F1E1F1F1F461F471F4E1F4F1F581F5A1F5C1F5E1F7E1F7F1FB51FC51FD41FD51FDC1FF01FF11FF51FFF200B-200F202A-202E2060-206F20722073208F2095-209F20B9-20CF20F1-20FF218A-218F23E9-23FF2427-243F244B-245F26CE26E226E4-26E727002705270A270B2728274C274E2753-2755275F27602795-279727B027BF27CB27CD-27CF2B4D-2B4F2B5A-2BFF2C2F2C5F2CF2-2CF82D26-2D2F2D66-2D6E2D70-2D7F2D97-2D9F2DA72DAF2DB72DBF2DC72DCF2DD72DDF2E32-2E7F2E9A2EF4-2EFF2FD6-2FEF2FFC-2FFF3040309730983100-3104312E-3130318F31B8-31BF31E4-31EF321F32FF4DB6-4DBF9FCC-9FFFA48D-A48FA4C7-A4CFA62C-A63FA660A661A674-A67BA698-A69FA6F8-A6FFA78D-A7FAA82C-A82FA83A-A83FA878-A87FA8C5-A8CDA8DA-A8DFA8FC-A8FFA954-A95EA97D-A97FA9CEA9DA-A9DDA9E0-A9FFAA37-AA3FAA4EAA4FAA5AAA5BAA7C-AA7FAAC3-AADAAAE0-ABBFABEEABEFABFA-ABFFD7A4-D7AFD7C7-D7CAD7FC-F8FFFA2EFA2FFA6EFA6FFADA-FAFFFB07-FB12FB18-FB1CFB37FB3DFB3FFB42FB45FBB2-FBD2FD40-FD4FFD90FD91FDC8-FDEFFDFEFDFFFE1A-FE1FFE27-FE2FFE53FE67FE6C-FE6FFE75FEFD-FF00FFBF-FFC1FFC8FFC9FFD0FFD1FFD8FFD9FFDD-FFDFFFE7FFEF-FFFBFFFEFFFF",
    Cc: "0000-001F007F-009F",
    Cf: "00AD0600-060306DD070F17B417B5200B-200F202A-202E2060-2064206A-206FFEFFFFF9-FFFB",
    Co: "E000-F8FF",
    Cs: "D800-DFFF",
    Cn: "03780379037F-0383038B038D03A20526-05300557055805600588058B-059005C8-05CF05EB-05EF05F5-05FF06040605061C061D0620065F070E074B074C07B2-07BF07FB-07FF082E082F083F-08FF093A093B094F095609570973-097809800984098D098E0991099209A909B109B3-09B509BA09BB09C509C609C909CA09CF-09D609D8-09DB09DE09E409E509FC-0A000A040A0B-0A0E0A110A120A290A310A340A370A3A0A3B0A3D0A43-0A460A490A4A0A4E-0A500A52-0A580A5D0A5F-0A650A76-0A800A840A8E0A920AA90AB10AB40ABA0ABB0AC60ACA0ACE0ACF0AD1-0ADF0AE40AE50AF00AF2-0B000B040B0D0B0E0B110B120B290B310B340B3A0B3B0B450B460B490B4A0B4E-0B550B58-0B5B0B5E0B640B650B72-0B810B840B8B-0B8D0B910B96-0B980B9B0B9D0BA0-0BA20BA5-0BA70BAB-0BAD0BBA-0BBD0BC3-0BC50BC90BCE0BCF0BD1-0BD60BD8-0BE50BFB-0C000C040C0D0C110C290C340C3A-0C3C0C450C490C4E-0C540C570C5A-0C5F0C640C650C70-0C770C800C810C840C8D0C910CA90CB40CBA0CBB0CC50CC90CCE-0CD40CD7-0CDD0CDF0CE40CE50CF00CF3-0D010D040D0D0D110D290D3A-0D3C0D450D490D4E-0D560D58-0D5F0D640D650D76-0D780D800D810D840D97-0D990DB20DBC0DBE0DBF0DC7-0DC90DCB-0DCE0DD50DD70DE0-0DF10DF5-0E000E3B-0E3E0E5C-0E800E830E850E860E890E8B0E8C0E8E-0E930E980EA00EA40EA60EA80EA90EAC0EBA0EBE0EBF0EC50EC70ECE0ECF0EDA0EDB0EDE-0EFF0F480F6D-0F700F8C-0F8F0F980FBD0FCD0FD9-0FFF10C6-10CF10FD-10FF1249124E124F12571259125E125F1289128E128F12B112B612B712BF12C112C612C712D7131113161317135B-135E137D-137F139A-139F13F5-13FF169D-169F16F1-16FF170D1715-171F1737-173F1754-175F176D17711774-177F17DE17DF17EA-17EF17FA-17FF180F181A-181F1878-187F18AB-18AF18F6-18FF191D-191F192C-192F193C-193F1941-1943196E196F1975-197F19AC-19AF19CA-19CF19DB-19DD1A1C1A1D1A5F1A7D1A7E1A8A-1A8F1A9A-1A9F1AAE-1AFF1B4C-1B4F1B7D-1B7F1BAB-1BAD1BBA-1BFF1C38-1C3A1C4A-1C4C1C80-1CCF1CF3-1CFF1DE7-1DFC1F161F171F1E1F1F1F461F471F4E1F4F1F581F5A1F5C1F5E1F7E1F7F1FB51FC51FD41FD51FDC1FF01FF11FF51FFF2065-206920722073208F2095-209F20B9-20CF20F1-20FF218A-218F23E9-23FF2427-243F244B-245F26CE26E226E4-26E727002705270A270B2728274C274E2753-2755275F27602795-279727B027BF27CB27CD-27CF2B4D-2B4F2B5A-2BFF2C2F2C5F2CF2-2CF82D26-2D2F2D66-2D6E2D70-2D7F2D97-2D9F2DA72DAF2DB72DBF2DC72DCF2DD72DDF2E32-2E7F2E9A2EF4-2EFF2FD6-2FEF2FFC-2FFF3040309730983100-3104312E-3130318F31B8-31BF31E4-31EF321F32FF4DB6-4DBF9FCC-9FFFA48D-A48FA4C7-A4CFA62C-A63FA660A661A674-A67BA698-A69FA6F8-A6FFA78D-A7FAA82C-A82FA83A-A83FA878-A87FA8C5-A8CDA8DA-A8DFA8FC-A8FFA954-A95EA97D-A97FA9CEA9DA-A9DDA9E0-A9FFAA37-AA3FAA4EAA4FAA5AAA5BAA7C-AA7FAAC3-AADAAAE0-ABBFABEEABEFABFA-ABFFD7A4-D7AFD7C7-D7CAD7FC-D7FFFA2EFA2FFA6EFA6FFADA-FAFFFB07-FB12FB18-FB1CFB37FB3DFB3FFB42FB45FBB2-FBD2FD40-FD4FFD90FD91FDC8-FDEFFDFEFDFFFE1A-FE1FFE27-FE2FFE53FE67FE6C-FE6FFE75FEFDFEFEFF00FFBF-FFC1FFC8FFC9FFD0FFD1FFD8FFD9FFDD-FFDFFFE7FFEF-FFF8FFFEFFFF"
});

function addUnicodePackage (pack) {
    var codePoint = /\w{4}/g;
    for (var name in pack)
        exports.packages[name] = pack[name].replace(codePoint, "\\u$&");
};

});

ace.define('ace/document', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/lib/event_emitter', 'ace/range', 'ace/anchor'], function(require, exports, module) {


var oop = require("./lib/oop");
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var Range = require("./range").Range;
var Anchor = require("./anchor").Anchor;

 /**
 * new Document([text])
 * - text (String | Array): The starting text
 *
 * Creates a new `Document`. If `text` is included, the `Document` contains those strings; otherwise, it's empty.
 *
 **/
var Document = function(text) {
    this.$lines = [];

    // There has to be one line at least in the document. If you pass an empty
    // string to the insert function, nothing will happen. Workaround.
    if (text.length == 0) {
        this.$lines = [""];
    } else if (Array.isArray(text)) {
        this.insertLines(0, text);
    } else {
        this.insert({row: 0, column:0}, text);
    }
};

(function() {

    oop.implement(this, EventEmitter);
    this.setValue = function(text) {
        var len = this.getLength();
        this.remove(new Range(0, 0, len, this.getLine(len-1).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);
    };

    // check for IE split bug
    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.$detectNewLine = function(text) {
        var match = text.match(/^.*?(\r\n|\r|\n)/m);
        if (match) {
            this.$autoNewLine = match[1];
        } else {
            this.$autoNewLine = "\n";
        }
    };
    this.getNewLineCharacter = function() {
      switch (this.$newLineMode) {
          case "windows":
              return "\r\n";

          case "unix":
              return "\n";

          case "auto":
              return this.$autoNewLine;
      }
    };

    this.$autoNewLine = "\n";
    this.$newLineMode = "auto";
    this.setNewLineMode = function(newLineMode) {
        if (this.$newLineMode === newLineMode)
            return;

        this.$newLineMode = newLineMode;
    };
    this.getNewLineMode = function() {
        return this.$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.$lines.length;
    };
    this.getTextRange = function(range) {
        if (range.start.row == range.end.row) {
            return this.$lines[range.start.row].substring(range.start.column,
                                                         range.end.column);
        }
        else {
            var lines = this.getLines(range.start.row+1, range.end.row-1);
            lines.unshift((this.$lines[range.start.row] || "").substring(range.start.column));
            lines.push((this.$lines[range.end.row] || "").substring(0, range.end.column));
            return lines.join(this.getNewLineCharacter());
        }
    };
    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;
        }
        return position;
    };
    this.insert = function(position, text) {
        if (!text || text.length === 0)
            return position;

        position = this.$clipPosition(position);

        // only detect new lines if the document has no line break yet
        if (this.getLength() <= 1)
            this.$detectNewLine(text);

        var lines = this.$split(text);
        var firstLine = lines.splice(0, 1)[0];
        var lastLine = lines.length == 0 ? null : lines.splice(lines.length - 1, 1)[0];

        position = this.insertInLine(position, firstLine);
        if (lastLine !== null) {
            position = this.insertNewLine(position); // terminate first line
            position = this.insertLines(position.row, lines);
            position = this.insertInLine(position, lastLine || "");
        }
        return position;
    };
    this.insertLines = function(row, lines) {
        if (lines.length == 0)
            return {row: row, column: 0};

        // apply doesn't work for big arrays (smallest threshold is on safari 0xFFFF)
        // to circumvent that we have to break huge inserts into smaller chunks here
        if (lines.length > 0xFFFF) {
            var end = this.insertLines(row, lines.slice(0xFFFF));
            lines = lines.slice(0, 0xFFFF);
        }

        var args = [row, 0];
        args.push.apply(args, lines);
        this.$lines.splice.apply(this.$lines, args);

        var range = new Range(row, 0, row + lines.length, 0);
        var delta = {
            action: "insertLines",
            range: range,
            lines: lines
        };
        this._emit("change", { data: delta });
        return end || range.end;
    };
    this.insertNewLine = function(position) {
        position = this.$clipPosition(position);
        var line = this.$lines[position.row] || "";

        this.$lines[position.row] = line.substring(0, position.column);
        this.$lines.splice(position.row + 1, 0, line.substring(position.column, line.length));

        var end = {
            row : position.row + 1,
            column : 0
        };

        var delta = {
            action: "insertText",
            range: Range.fromPoints(position, end),
            text: this.getNewLineCharacter()
        };
        this._emit("change", { data: delta });

        return end;
    };
    this.insertInLine = function(position, text) {
        if (text.length == 0)
            return position;

        var line = this.$lines[position.row] || "";

        this.$lines[position.row] = line.substring(0, position.column) + text
                + line.substring(position.column);

        var end = {
            row : position.row,
            column : position.column + text.length
        };

        var delta = {
            action: "insertText",
            range: Range.fromPoints(position, end),
            text: text
        };
        this._emit("change", { data: delta });

        return end;
    };
    this.remove = function(range) {
        // clip to document
        range.start = this.$clipPosition(range.start);
        range.end = this.$clipPosition(range.end);

        if (range.isEmpty())
            return range.start;

        var firstRow = range.start.row;
        var lastRow = range.end.row;

        if (range.isMultiLine()) {
            var firstFullRow = range.start.column == 0 ? firstRow : firstRow + 1;
            var lastFullRow = lastRow - 1;

            if (range.end.column > 0)
                this.removeInLine(lastRow, 0, range.end.column);

            if (lastFullRow >= firstFullRow)
                this.removeLines(firstFullRow, lastFullRow);

            if (firstFullRow != firstRow) {
                this.removeInLine(firstRow, range.start.column, this.getLine(firstRow).length);
                this.removeNewLine(range.start.row);
            }
        }
        else {
            this.removeInLine(firstRow, range.start.column, range.end.column);
        }
        return range.start;
    };
    this.removeInLine = function(row, startColumn, endColumn) {
        if (startColumn == endColumn)
            return;

        var range = new Range(row, startColumn, row, endColumn);
        var line = this.getLine(row);
        var removed = line.substring(startColumn, endColumn);
        var newLine = line.substring(0, startColumn) + line.substring(endColumn, line.length);
        this.$lines.splice(row, 1, newLine);

        var delta = {
            action: "removeText",
            range: range,
            text: removed
        };
        this._emit("change", { data: delta });
        return range.start;
    };
    this.removeLines = function(firstRow, lastRow) {
        var range = new Range(firstRow, 0, lastRow + 1, 0);
        var removed = this.$lines.splice(firstRow, lastRow - firstRow + 1);

        var delta = {
            action: "removeLines",
            range: range,
            nl: this.getNewLineCharacter(),
            lines: removed
        };
        this._emit("change", { data: delta });
        return removed;
    };
    this.removeNewLine = function(row) {
        var firstLine = this.getLine(row);
        var secondLine = this.getLine(row+1);

        var range = new Range(row, firstLine.length, row+1, 0);
        var line = firstLine + secondLine;

        this.$lines.splice(row, 2, line);

        var delta = {
            action: "removeText",
            range: range,
            text: this.getNewLineCharacter()
        };
        this._emit("change", { data: delta });
    };
    this.replace = function(range, text) {
        if (text.length == 0 && range.isEmpty())
            return range.start;

        // Shortcut: If the text we want to insert is the same as it is already
        // in the document, we don't have to replace anything.
        if (text == this.getTextRange(range))
            return range.end;

        this.remove(range);
        if (text) {
            var end = this.insert(range.start, text);
        }
        else {
            end = range.start;
        }

        return end;
    };
    this.applyDeltas = function(deltas) {
        for (var i=0; i<deltas.length; i++) {
            var delta = deltas[i];
            var range = Range.fromPoints(delta.range.start, delta.range.end);

            if (delta.action == "insertLines")
                this.insertLines(range.start.row, delta.lines);
            else if (delta.action == "insertText")
                this.insert(range.start, delta.text);
            else if (delta.action == "removeLines")
                this.removeLines(range.start.row, range.end.row - 1);
            else if (delta.action == "removeText")
                this.remove(range);
        }
    };
    this.revertDeltas = function(deltas) {
        for (var i=deltas.length-1; i>=0; i--) {
            var delta = deltas[i];

            var range = Range.fromPoints(delta.range.start, delta.range.end);

            if (delta.action == "insertLines")
                this.removeLines(range.start.row, range.end.row - 1);
            else if (delta.action == "insertText")
                this.remove(range);
            else if (delta.action == "removeLines")
                this.insertLines(range.start.row, delta.lines);
            else if (delta.action == "removeText")
                this.insert(range.start, delta.text);
        }
    };

}).call(Document.prototype);

exports.Document = Document;
});

ace.define('ace/anchor', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/lib/event_emitter'], function(require, exports, module) {


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

/**
 * new Anchor(doc, row, column)
 * - doc (Document): The document to associate with the anchor
 * - row (Number): The starting row position
 * - column (Number): The starting column position
 *
 * Creates a new `Anchor` and associates it with a document.
 *
 **/

var Anchor = exports.Anchor = function(doc, row, column) {
    this.document = doc;
    
    if (typeof column == "undefined")
        this.setPosition(row.row, row.column);
    else
        this.setPosition(row, column);

    this.$onChange = this.onChange.bind(this);
    doc.on("change", this.$onChange);
};

(function() {

    oop.implement(this, EventEmitter);

    this.getPosition = function() {
        return this.$clipPositionToDocument(this.row, this.column);
    };
        
    this.getDocument = function() {
        return this.document;
    };

    this.onChange = function(e) {
        var delta = e.data;
        var range = delta.range;
            
        if (range.start.row == range.end.row && range.start.row != this.row)
            return;
            
        if (range.start.row > this.row)
            return;
            
        if (range.start.row == this.row && range.start.column > this.column)
            return;
    
        var row = this.row;
        var column = this.column;
        
        if (delta.action === "insertText") {
            if (range.start.row === row && range.start.column <= column) {
                if (range.start.row === range.end.row) {
                    column += range.end.column - range.start.column;
                }
                else {
                    column -= range.start.column;
                    row += range.end.row - range.start.row;
                }
            }
            else if (range.start.row !== range.end.row && range.start.row < row) {
                row += range.end.row - range.start.row;
            }
        } else if (delta.action === "insertLines") {
            if (range.start.row <= row) {
                row += range.end.row - range.start.row;
            }
        }
        else if (delta.action == "removeText") {
            if (range.start.row == row && range.start.column < column) {
                if (range.end.column >= column)
                    column = range.start.column;
                else
                    column = Math.max(0, column - (range.end.column - range.start.column));
                
            } else if (range.start.row !== range.end.row && range.start.row < row) {
                if (range.end.row == row) {
                    column = Math.max(0, column - range.end.column) + range.start.column;
                }
                row -= (range.end.row - range.start.row);
            }
            else if (range.end.row == row) {
                row -= range.end.row - range.start.row;
                column = Math.max(0, column - range.end.column) + range.start.column;
            }
        } else if (delta.action == "removeLines") {
            if (range.start.row <= row) {
                if (range.end.row <= row)
                    row -= range.end.row - range.start.row;
                else {
                    row = range.start.row;
                    column = 0;
                }
            }
        }

        this.setPosition(row, column, true);
    };

    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._emit("change", {
            old: old,
            value: pos
        });
    };

    this.detach = function() {
        this.document.removeEventListener("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/background_tokenizer', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/lib/event_emitter'], function(require, exports, module) {


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

// tokenizing lines longer than this makes editor very slow
var MAX_LINE_LENGTH = 5000;

/**
 * new BackgroundTokenizer(tokenizer, editor)
 * - tokenizer (Tokenizer): The tokenizer to use
 * - editor (Editor): The editor to associate with
 *
 * Creates a new `BackgroundTokenizer` object.
 *
 *
 **/

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 startLine = self.currentLine;
        var doc = self.doc;

        var processedLines = 0;

        var len = doc.getLength();
        while (self.currentLine < len) {
            self.$tokenizeRow(self.currentLine);
            while (self.lines[self.currentLine])
                self.currentLine++;

            // only check every 5 lines
            processedLines ++;
            if ((processedLines % 5 == 0) && (new Date() - workerStart) > 20) {
                self.fireUpdateEvent(startLine, self.currentLine-1);
                self.running = setTimeout(self.$worker, 20);
                return;
            }
        }

        self.running = false;

        self.fireUpdateEvent(startLine, len - 1);
    };
};

(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._emit("update", {data: data});
    };
    this.start = function(startRow) {
        this.currentLine = Math.min(startRow || 0, this.currentLine, this.doc.getLength());

        // remove all cached items below this line
        this.lines.splice(this.currentLine, this.lines.length);
        this.states.splice(this.currentLine, this.states.length);

        this.stop();
        // pretty long delay to prevent the tokenizer from interfering with the user
        this.running = setTimeout(this.$worker, 700);
    };

    this.$updateOnChange = function(delta) {
        var range = delta.range;
        var startRow = range.start.row;
        var len = range.end.row - startRow;

        if (len === 0) {
            this.lines[startRow] = null;
        } else if (delta.action == "removeText" || delta.action == "removeLines") {
            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();
        // pretty long delay to prevent the tokenizer from interfering with the user
        this.running = setTimeout(this.$worker, 700);
    };
    this.stop = function() {
        if (this.running)
            clearTimeout(this.running);
        this.running = false;
    };
    this.getTokens = function(row) {
        return this.lines[row] || this.$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];

        if (line.length > MAX_LINE_LENGTH) {
            var overflow = {value: line.substr(MAX_LINE_LENGTH), type: "text"};
            line = line.slice(0, MAX_LINE_LENGTH);
        }
        var data = this.tokenizer.getLineTokens(line, state);
        if (overflow) {
            data.tokens.push(overflow);
            data.state = "start";
        }

        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;
    };

}).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) {


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.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;

        for (var i = start; i <= end; i++) {
            var ranges = this.cache[i];
            if (ranges == null) {
                ranges = lang.getMatchOffsets(session.getLine(i), this.regExp);
                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 --; ) {
                markerLayer.drawSingleLineMarker(
                    html, ranges[j].toScreenRange(session), this.clazz, config,
                    null, this.type
                );
            }
        }
    };

}).call(SearchHighlight.prototype);

exports.SearchHighlight = SearchHighlight;
});

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) {


var Range = require("../range").Range;
var FoldLine = require("./fold_line").FoldLine;
var Fold = require("./fold").Fold;
var TokenIterator = require("../token_iterator").TokenIterator;

function Folding() {
    /*
     * Looks up a fold at a given row/column. Possible values for side:
     *   -1: ignore a fold if fold.start = row/column
     *   +1: ignore a fold if fold.end = row/column
     */
    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 fold = folds[i];
            if (fold.range.contains(row, column)) {
                if (side == 1 && fold.range.isEnd(row, column)) {
                    continue;
                } else if (side == -1 && fold.range.isStart(row, column)) {
                    continue;
                }
                return fold;
            }
        }
    };
    this.getFoldsInRange = function(range) {
        range = range.clone();
        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) {
                // Range is before foldLine. No intersection. This means,
                // there might be other foldLines that intersect.
                continue;
            }
            else if (cmp == -2) {
                // Range is after foldLine. There can't be any other foldLines then,
                // so let's give up.
                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
                // WTF-state: Can happen due to -1/+1 to start/end column.
                if (cmp == 42) {
                    break;
                }
                foundFolds.push(fold);
            }
        }
        return foundFolds;
    };
    this.getAllFolds = function() {
        var folds = [];
        var foldLines = this.$foldData;
        
        function addFold(fold) {
            folds.push(fold);
            if (!fold.subFolds)
                return;
                
            for (var i = 0; i < fold.subFolds.length; i++)
                addFold(fold.subFolds[i]);
        }
        
        for (var i = 0; i < foldLines.length; i++)
            for (var j = 0; j < foldLines[i].folds.length; j++)
                addFold(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 }
        };
        // TODO: Refactor to use getNextFoldTo function.
        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;
    };

    // returns the fold which starts after or contains docRow
    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);

        this.$clipRangeToDocument(fold.range);

        var startRow = fold.start.row;
        var startColumn = fold.start.column;
        var endRow = fold.end.row;
        var endColumn = fold.end.column;

        // --- Some checking ---
        if (fold.placeholder.length < 2)
            throw "Placeholder has to be at least 2 characters";

        if (startRow == endRow && endColumn - startColumn < 2)
            throw "The range has to be at least 2 characters width";

        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))
            || (endFold && !endFold.range.isEnd(endRow, endColumn))
        ) {
            throw "A fold can't intersect already existing fold" + fold.range + startFold.range;
        }

        // Check if there are folds in the range we create the new fold for.
        var folds = this.getFoldsInRange(fold.range);
        if (folds.length > 0) {
            // Remove the folds from fold data.
            this.removeFolds(folds);
            // Add the removed folds as subfolds on the new fold.
            fold.subFolds = folds;
        }

        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) {
                    // Check if we might have to merge two FoldLines.
                    var foldLineNext = foldData[i + 1];
                    if (foldLineNext && foldLineNext.start.row == endRow) {
                        // We need to merge!
                        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);

        // Notify that fold data has changed.
        this.$modified = true;
        this._emit("changeFold", { data: fold });

        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;
        // Simple case where there is only one fold in the FoldLine such that
        // the entire fold line can get removed directly.
        if (folds.length == 1) {
            foldLines.splice(foldLines.indexOf(foldLine), 1);
        } else
        // If the fold is the last fold of the foldLine, just remove it.
        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 the fold is the first fold of the foldLine, just remove it.
        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
        // We know there are more then 2 folds and the fold is not at the edge.
        // This means, the fold is somewhere in between.
        //
        // If the fold is in one row, we just can remove it.
        if (fold.sameRow) {
            folds.splice(folds.indexOf(fold), 1);
        } else
        // The fold goes over more then one row. This means remvoing this fold
        // will cause the fold line to get splitted up. newFoldLine is the second part
        {
            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.$useWrapMode)
            this.$updateWrapData(startRow, endRow);
        else
            this.$updateRowLengthCache(startRow, endRow);

        // Notify that fold data has changed.
        this.$modified = true;
        this._emit("changeFold", { data: fold });
    };

    this.removeFolds = function(folds) {
        // We need to clone the folds array passed in as it might be the folds
        // array of a fold line and as we call this.removeFold(fold), folds
        // are removed from folds and changes the current index.
        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(fold) {
            this.addFold(fold);
        }, this);
        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);
        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
            range = location;

        folds = this.getFoldsInRange(range);
        if (expandInner) {
            this.removeFolds(folds);
        } else {
            // TODO: might need to remove and add folds in one go instead of using
            // expandFolds several times.
            while (folds.length) {
                this.expandFolds(folds);
                folds = this.getFoldsInRange(range);
            }
        }
    };
    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.getFoldDisplayLine = function(foldLine, endRow, endColumn, startRow, startColumn) {
        if (startRow == null) {
            startRow = foldLine.start.row;
            startColumn = 0;
        }

        if (endRow == null) {
            endRow = foldLine.end.row;
            endColumn = this.getLine(endRow).length;
        }

        // Build the textline using the FoldLine walker.
        var doc = this.doc;
        var textLine = "";

        foldLine.walk(function(placeholder, row, column, lastColumn) {
            if (row < startRow) {
                return;
            } else if (row == startRow) {
                if (column < startColumn) {
                    return;
                }
                lastColumn = Math.max(startColumn, lastColumn);
            }
            if (placeholder) {
                textLine += placeholder;
            } else {
                textLine += doc.getLine(row).substring(lastColumn, column);
            }
        }.bind(this), 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) {
        var iterator = new TokenIterator(this, row, column);
        var token = iterator.getCurrentToken();
        if (token && /^comment|string/.test(token.type)) {
            var range = new Range();
            var re = new RegExp(token.type.replace(/\..*/, "\\."));
            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);

            do {
                token = iterator.stepForward();
            } while(token && re.test(token.type));
            
            token = iterator.stepBackward();

            range.end.row = iterator.getCurrentTokenRow();
            range.end.column = iterator.getCurrentTokenColumn() + token.value.length;
            return range;
        }
    };

    this.foldAll = function(startRow, endRow) {
        var foldWidgets = this.foldWidgets;
        endRow = endRow || this.getLength();
        for (var row = startRow || 0; row < endRow; row++) {
            if (foldWidgets[row] == null)
                foldWidgets[row] = this.getFoldWidget(row);
            if (foldWidgets[row] != "start")
                continue;

            var range = this.getFoldWidgetRange(row);
            // sometimes range can be incompatible with existing fold
            // wouldn't it be better for addFold to return null istead of throwing?
            if (range && range.end.row < endRow) try {
                this.addFold("...", range);
            } catch(e) {}
        }
    };
    
    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();
        
        // reset folding
        var mode = this.$foldMode;
        this.$setFolding(null);
        this.$setFolding(mode);
    };

    // structured folding
    this.$setFolding = function(foldMode) {
        if (this.$foldMode == foldMode)
            return;
            
        this.$foldMode = foldMode;
        
        this.removeListener('change', this.$updateFoldWidgets);
        this._emit("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.$updateFoldWidgets = this.updateFoldWidgets.bind(this);
        this.on('change', this.$updateFoldWidgets);
        
    };

    this.onFoldWidgetClick = function(row, e) {
        var type = this.getFoldWidget(row);
        var line = this.getLine(row);
        var onlySubfolds = e.shiftKey;
        var addSubfolds = onlySubfolds || e.ctrlKey || e.altKey || e.metaKey;
        var fold;

        if (type == "end")
            fold = this.getFoldAt(row, 0, -1);
        else
            fold = this.getFoldAt(row, line.length, 1);

        if (fold) {
            if (addSubfolds)
                this.removeFold(fold);
            else
                this.expandFold(fold);
            return;
        }

        var range = this.getFoldWidgetRange(row);
        if (range) {
            // sometimes singleline folds can be missed by the code above
            if (!range.isMultiLine()) {
                fold = this.getFoldAt(range.start.row, range.start.column, 1);
                if (fold && range.isEqual(fold.range)) {
                    this.removeFold(fold);
                    return;
                }
            }
            
            if (!onlySubfolds)
                this.addFold("...", range);

            if (addSubfolds)
                this.foldAll(range.start.row + 1, range.end.row);
        } else {
            if (addSubfolds)
                this.foldAll(row + 1, this.getLength());
            e.target.className += " invalid"
        }
    };
    
    this.updateFoldWidgets = function(e) {
        var delta = e.data;
        var range = delta.range;
        var firstRow = range.start.row;
        var len = range.end.row - firstRow;

        if (len === 0) {
            this.foldWidgets[firstRow] = null;
        } else if (delta.action == "removeText" || delta.action == "removeLines") {
            this.foldWidgets.splice(firstRow, len + 1, null);
        } else {
            var args = Array(len + 1);
            args.unshift(firstRow, 1);
            this.foldWidgets.splice.apply(this.foldWidgets, args);
        }
    };

}

exports.Folding = Folding;

});

ace.define('ace/edit_session/fold_line', ['require', 'exports', 'module' , 'ace/range'], function(require, exports, module) {


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() {
    /*
     * Note: This doesn't update wrapData!
     */
    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 "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 "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,
            comp, 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];

            comp = fold.range.compareStart(endRow, endColumn);
            // This fold is after the endRow/Column.
            if (comp == -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 the user requested to stop the walk or endRow/endColumn is
            // inside of this fold (comp == 0), then end here.
            if (stop || comp == 0) {
                return;
            }

            // Note the new lastEnd might not be on the same line. However,
            // it's the callback's job to recognize this.
            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)
            {
                //throwing here breaks whole editor
                //@todo properly handle this
                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 fold = this.getNextFoldTo(row, column).fold,
            folds = this.folds;
        var foldData = this.foldData;

        if (!fold) {
            return null;
        }
        var i = folds.indexOf(fold);
        var foldBefore = folds[i - 1];
        this.end.row = foldBefore.end.row;
        this.end.column = foldBefore.end.column;

        // Remove the folds after row/column and create a new FoldLine
        // containing these removed folds.
        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]);
        }
        // Remove the foldLineNext - no longer needed, as
        // it's merged now with foldLineNext.
        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;
        var fold;

        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/edit_session/fold', ['require', 'exports', 'module' ], function(require, exports, module) {


/*
 * Simple fold-data struct.
 **/
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 = [];
};

(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());
        });
        return fold;
    };

    this.addSubFold = function(fold) {
        if (this.range.isEqual(fold))
            return this;

        if (!this.range.containsRange(fold))
            throw "A fold can't intersect already existing fold" + fold.range + this.range;

        var row = fold.range.start.row, column = fold.range.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];

        if (cmp == 0)
            return afterStart.addSubFold(fold)

        // cmp == -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;
        }
        var afterEnd = this.subFolds[j];

        if (cmp == 0)
            throw "A fold can't intersect already existing fold" + fold.range + this.range;

        var consumedFolds = this.subFolds.splice(i, j - i, fold)
        fold.setFoldLine(this.foldLine);

        return fold;
    }

}).call(Fold.prototype);

});

ace.define('ace/token_iterator', ['require', 'exports', 'module' ], function(require, exports, module) {


/**
 * class TokenIterator
 *
 * This class provides an essay way to treat the document as a stream of tokens, and provides methods to iterate over these tokens.
 *
 **/

/**
 * new TokenIterator(session, initialRow, initialColumn)
 * - session (EditSession): The session to associate with
 * - initialRow (Number): The row to start the tokenizing at
 * - initialColumn (Number): The column to start the tokenizing at
 *
 * Creates a new token iterator object. The inital token index is set to the provided row and column coordinates.
 *
 **/
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() {
   
    /**
    * TokenIterator.stepBackward() -> [String]
    * + (String): If the current point is not at the top of the file, this function returns `null`. Otherwise, it returns an array of the tokenized strings.
    * 
    * Tokenizes all the items from the current point to the row prior in the document. 
    **/ 
    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() {
        var rowCount = this.$session.getLength();
        this.$tokenIndex += 1;
        
        while (this.$tokenIndex >= this.$rowTokens.length) {
            this.$row += 1;
            if (this.$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;
        
        // If a column was cached by EditSession.getTokenAt, then use it
        var column = rowTokens[tokenIndex].start;
        if (column !== undefined)
            return column;
            
        column = 0;
        while (tokenIndex > 0) {
            tokenIndex -= 1;
            column += rowTokens[tokenIndex].value.length;
        }
        
        return column;  
    };
            
}).call(TokenIterator.prototype);

exports.TokenIterator = TokenIterator;
});

ace.define('ace/edit_session/bracket_match', ['require', 'exports', 'module' , 'ace/token_iterator', 'ace/range'], function(require, exports, module) {


var TokenIterator = require("../token_iterator").TokenIterator;
var Range = require("../range").Range;

/**
 * new BracketMatch(position)
 * - platform (String): Identifier for the platform; must be either `'mac'` or `'win'`
 * - commands (Array): A list of commands
 *
 * TODO
 *
 *
 **/
function BracketMatch() {

    /**
     * new findMatchingBracket(position)
     * - position (Number): Identifier for the platform; must be either `'mac'` or `'win'`
     * - commands (Array): A list of commands
     *
     * TODO
     *
     *
     **/
    this.findMatchingBracket = function(position) {
        if (position.column == 0) return null;

        var charBeforeCursor = 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.column++;
            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;
        }
        
        if (!before)
            pos.column--;
        
        return range;
    };

    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")
                + ")+"
            );
        }
        
        // Start searching in token, just before the character at position.column
        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;
            }

            // Scan backward through the document, looking for the next token
            // whose type matches typeRe
            do {
                token = iterator.stepBackward();
            } while (token && !typeRe.test(token.type));

            if (token == null)
                break;
                
            value = token.value;
            valueIndex = value.length - 1;
        }
        
        return null;
    };

    this.$findClosingBracket = function(bracket, position, typeRe, allowBlankLine) {
        var closingBracket = this.$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")
                + ")+"
            );
        }

        // Start searching in token, after the character at position.column
        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;
            }

            // Scan forward through the document, looking for the next token
            // whose type matches typeRe
            do {
                token = iterator.stepForward();
                if (allowBlankLine) {
                    // if you've reached the doc end, or, you match a new content  line 
                    if (token === null || token.type == "string") {
                        return {row: iterator.getCurrentTokenRow() + (token === null ? 1 : -1), column: 0}; 
                    }
                }
            } while (token && !typeRe.test(token.type));

            if (token == null)
                break;

            valueIndex = 0;
        }
        
        return null;
    };
}
exports.BracketMatch = BracketMatch;

});

ace.define('ace/search', ['require', 'exports', 'module' , 'ace/lib/lang', 'ace/lib/oop', 'ace/range'], function(require, exports, module) {


var lang = require("./lib/lang");
var oop = require("./lib/oop");
var Range = require("./range").Range;

/**
 * new Search()
 *
 * Creates a new `Search` object. The following search options are avaliable:
 *
 * * needle: string or regular expression
 * * backwards: false
 * * wrap: false
 * * caseSensitive: false
 * * wholeWord: false
 * * range: Range or null for whole document
 * * regExp: false
 * * start: Range or position
 * * skipCurrent: false
 *
**/

var Search = function() {
    this.$options = {};
};

(function() {
    /**
     * Search.set(options) -> Search
     * - options (Object): An object containing all the new search properties
     *
     * Sets the search options via the `options` parameter.
     *
    **/
    this.set = function(options) {
        oop.mixin(this.$options, options);
        return this;
    };
    this.getOptions = function() {
        return lang.copyObject(this.$options);
    };

    this.setOptions = function(options) {
        this.$options = options;
    };
    this.find = function(session) {
        var iterator = this.$matchIterator(session, this.$options);

        if (!iterator)
            return false;

        var firstRange = null;
        iterator.forEach(function(range, row, offset) {
            if (!range.start) {
                var column = range.offset + (offset || 0);
                firstRange = new Range(row, column, row, column+range.length);
            } else
                firstRange = range;
            return true;
        });

        return firstRange;
    };
    this.findAll = function(session) {
        var options = this.$options;
        if (!options.needle)
            return [];
        this.$assembleRegExp(options);

        if (options.range) {
            var range = options.range;
            var lines = session.getLines(range.start.row, range.end.row);
        } else
            var lines = session.doc.getAllLines();

        var ranges = [];
        var re = options.re;
        if (options.$isMultiLine) {
            var len = re.length;
            var maxRow = lines.length - len;
            for (var row = re.offset || 0; row < maxRow; row++) {
                for (var j = 0; j < re.length; j++)
                    if (lines[row + j].search(re[j]) == -1)
                        break;

                var startIndex = lines[row + j].match(re[0])[0].length;
                var endIndex = line.match(re[len - 1])[0].length;

                ranges.push(new Range(
                    row, startLine.length - startIndex,
                    row + len - 1, endIndex
                ));
            }
        } 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 (options.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--;
            return ranges.slice(i, j + 1);
        }

        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.$matchIterator = function(session, options) {
        var re = this.$assembleRegExp(options);
        if (!re)
            return false;

        var self = this, callback, backwards = options.backwards;

        if (options.$isMultiLine) {
            var len = re.length;
            var matchIterator = function(line, row, offset) {
                var startIndex = line.search(re[0]);
                if (startIndex == -1)
                    return;
                for (var i = 1; i < len; i++) {
                    line = session.getLine(row + i);
                    if (line.search(re[i]) == -1)
                        return;
                }

                var endIndex = line.match(re[len - 1])[0].length;

                var range = new Range(row, startIndex, row + len - 1, endIndex);
                if (re.offset == 1) {
                    range.start.row--;
                    range.start.column = Number.MAX_VALUE;
                } else if (offset)
                    range.start.column += offset;

                if (callback(range))
                    return true;
            }
        } else if (backwards) {
            var matchIterator = function(line, row, startIndex) {
                var matches = lang.getMatchOffsets(line, re);
                for (var i = matches.length-1; i >= 0; i--)
                    if (callback(matches[i], row, startIndex))
                        return true;
            }
        } else {
            var matchIterator = function(line, row, startIndex) {
                var matches = lang.getMatchOffsets(line, re);
                for (var i = 0; i < matches.length; i++)
                    if (callback(matches[i], row, startIndex))
                        return true;
            }
        }

        return {
            forEach: function(_callback) {
                callback = _callback;
                self.$lineIterator(session, options).forEach(matchIterator);
            }
        };
    };

    this.$assembleRegExp = function(options) {
        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 = "\\b" + needle + "\\b";

        var modifier = options.caseSensitive ? "g" : "gi";

        options.$isMultiLine = /[\n\r]/.test(needle);
        if (options.$isMultiLine)
            return options.re = this.$assembleMultilineRegExp(needle, modifier);

        try {
            var re = new RegExp(needle, modifier);
        } catch(e) {
            var 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;
        }
        if (parts[0] == "") {
            re.shift();
            re.offset = 1;
        } else {
            re.offset = 0;
        }
        return re;
    };

    this.$lineIterator = function(session, options) {
        var range = options.range;
        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 firstColumn = range ? range.start.column : 0;
        var lastRow = range ? range.end.row : session.getLength() - 1;

        if (!backwards) {
            var forEach = function(callback) {
                var row = start.row;

                var line = session.getLine(row).substr(start.column);
                if (callback(line, row, start.column))
                    return;

                for (row = row+1; row <= lastRow; row++)
                    if (callback(session.getLine(row), row))
                        return;

                if (options.wrap == false)
                    return;

                for (row = firstRow, lastRow = start.row; row <= lastRow; row++)
                    if (callback(session.getLine(row), row))
                        return;
            }
        } else {
            var forEach = function(callback) {
                var row = start.row;

                var line = session.getLine(row).substring(0, start.column);
                if (callback(line, row))
                    return;

                for (row--; row >= firstRow; row--)
                    if (callback(session.getLine(row), row))
                        return;

                if (options.wrap == false)
                    return;

                for (row = lastRow, firstRow = start.row; row >= firstRow; row--)
                    if (callback(session.getLine(row), row))
                        return;
            }
        }

        return {forEach: forEach};
    };

}).call(Search.prototype);

exports.Search = Search;
});
ace.define('ace/commands/command_manager', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/keyboard/hash_handler', 'ace/lib/event_emitter'], function(require, exports, module) {


var oop = require("../lib/oop");
var HashHandler = require("../keyboard/hash_handler").HashHandler;
var EventEmitter = require("../lib/event_emitter").EventEmitter;

/**
 * new CommandManager(platform, commands)
 * - platform (String): Identifier for the platform; must be either `'mac'` or `'win'`
 * - commands (Array): A list of commands
 *
 * TODO
 *
 *
 **/

var CommandManager = function(platform, commands) {
    this.platform = platform;
    this.commands = {};
    this.commmandKeyBinding = {};

    this.addCommands(commands);
    
    this.setDefaultHandler("exec", function(e) {
        return e.command.exec(e.editor, e.args || {});
    });
};

oop.inherits(CommandManager, HashHandler);

(function() {

    oop.implement(this, EventEmitter);

    this.exec = function(command, editor, args) {
        if (typeof command === 'string')
            command = this.commands[command];

        if (!command)
            return false;

        if (editor && editor.$readOnly && !command.readOnly)
            return false;

        var retvalue = this._emit("exec", {
            editor: editor,
            command: command,
            args: args
        });

        return retvalue === false ? false : true;
    };

    this.toggleRecording = function() {
        if (this.$inReplay)
            return;
        if (this.recording) {
            this.macro.pop();
            this.removeEventListener("exec", this.$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();

        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/keyboard/hash_handler', ['require', 'exports', 'module' , 'ace/lib/keys'], function(require, exports, module) {


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

function HashHandler(config, platform) {
    this.platform = platform;
    this.commands = {};
    this.commmandKeyBinding = {};

    this.addCommands(config);
};

(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) {
        var name = (typeof command === 'string' ? command : command.name);
        command = this.commands[name];
        delete this.commands[name];

        // exhaustive search is brute force but since removeCommand is
        // not a performance critical operation this should be OK
        var ckb = this.commmandKeyBinding;
        for (var hashId in ckb) {
            for (var key in ckb[hashId]) {
                if (ckb[hashId][key] == command)
                    delete ckb[hashId][key];
            }
        }
    };

    this.bindKey = function(key, command) {
        if(!key)
            return;
        if (typeof command == "function") {
            this.addCommand({exec: command, bindKey: key, name: key});
            return;
        }

        var ckb = this.commmandKeyBinding;
        key.split("|").forEach(function(keyPart) {
            var binding = this.parseKeys(keyPart, command);
            var hashId = binding.hashId;
            (ckb[hashId] || (ckb[hashId] = {}))[binding.key] = command;
        }, this);
    };

    this.addCommands = function(commands) {
        commands && Object.keys(commands).forEach(function(name) {
            var command = commands[name];
            if (typeof command === "string")
                return this.bindKey(command, name);

            if (typeof command === "function")
                command = { exec: command };

            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) {
        var binding = command.bindKey;
        if (!binding)
            return;

        var key = typeof binding == "string" ? binding: binding[this.platform];
        this.bindKey(key, command);
    };

    this.parseKeys = function(keys) {
        var key;
        var hashId = 0;
        var parts = keys.toLowerCase().trim().split(/\s*\-\s*/);

        for (var i = 0, l = parts.length; i < l; i++) {
            if (keyUtil.KEY_MODS[parts[i]])
                hashId = hashId | keyUtil.KEY_MODS[parts[i]];
            else
                key = parts[i] || "-"; //when empty, the splitSafe removed a '-'
        }

        if (parts[0] == "text" && parts.length == 2) {
            hashId = -1;
            key = parts[1];
        }

        return {
            key: key,
            hashId: hashId
        };
    };

    this.findKeyCommand = function findKeyCommand(hashId, keyString) {
        var ckbr = this.commmandKeyBinding;
        return ckbr[hashId] && ckbr[hashId][keyString.toLowerCase()];
    };

    this.handleKeyboard = function(data, hashId, keyString, keyCode) {
        return {
            command: this.findKeyCommand(hashId, keyString)
        };
    };

}).call(HashHandler.prototype)

exports.HashHandler = HashHandler;
});

ace.define('ace/commands/default_commands', ['require', 'exports', 'module' , 'ace/lib/lang'], function(require, exports, module) {


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

function bindKey(win, mac) {
    return {
        win: win,
        mac: mac
    };
}

exports.commands = [{
    name: "selectall",
    bindKey: bindKey("Ctrl-A", "Command-A"),
    exec: function(editor) { editor.selectAll(); },
    readOnly: true
}, {
    name: "centerselection",
    bindKey: bindKey(null, "Ctrl-L"),
    exec: function(editor) { editor.centerSelection(); },
    readOnly: true
}, {
    name: "gotoline",
    bindKey: bindKey("Ctrl-L", "Command-L"),
    exec: function(editor) {
        var line = parseInt(prompt("Enter line number:"), 10);
        if (!isNaN(line)) {
            editor.gotoLine(line);
        }
    },
    readOnly: true
}, {
    name: "fold",
    bindKey: bindKey("Alt-L|Ctrl-F1", "Command-Alt-L|Command-F1"),
    exec: function(editor) { editor.session.toggleFold(false); },
    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); },
    readOnly: true
}, {
    name: "foldall",
    bindKey: bindKey("Alt-0", "Command-Option-0"),
    exec: function(editor) { editor.session.foldAll(); },
    readOnly: true
}, {
    name: "unfoldall",
    bindKey: bindKey("Alt-Shift-0", "Command-Option-Shift-0"),
    exec: function(editor) { editor.session.unfold(); },
    readOnly: true
}, {
    name: "findnext",
    bindKey: bindKey("Ctrl-K", "Command-G"),
    exec: function(editor) { editor.findNext(); },
    readOnly: true
}, {
    name: "findprevious",
    bindKey: bindKey("Ctrl-Shift-K", "Command-Shift-G"),
    exec: function(editor) { editor.findPrevious(); },
    readOnly: true
}, {
    name: "find",
    bindKey: bindKey("Ctrl-F", "Command-F"),
    exec: function(editor) {
        var needle = prompt("Find:", editor.getCopyText());
        editor.find(needle);
    },
    readOnly: true
}, {
    name: "overwrite",
    bindKey: "Insert",
    exec: function(editor) { editor.toggleOverwrite(); },
    readOnly: true
}, {
    name: "selecttostart",
    bindKey: bindKey("Ctrl-Shift-Home", "Command-Shift-Up"),
    exec: function(editor) { editor.getSelection().selectFileStart(); },
    readOnly: true
}, {
    name: "gotostart",
    bindKey: bindKey("Ctrl-Home", "Command-Home|Command-Up"),
    exec: function(editor) { editor.navigateFileStart(); },
    readOnly: true
}, {
    name: "selectup",
    bindKey: bindKey("Shift-Up", "Shift-Up"),
    exec: function(editor) { editor.getSelection().selectUp(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "golineup",
    bindKey: bindKey("Up", "Up|Ctrl-P"),
    exec: function(editor, args) { editor.navigateUp(args.times); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "selecttoend",
    bindKey: bindKey("Ctrl-Shift-End", "Command-Shift-Down"),
    exec: function(editor) { editor.getSelection().selectFileEnd(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "gotoend",
    bindKey: bindKey("Ctrl-End", "Command-End|Command-Down"),
    exec: function(editor) { editor.navigateFileEnd(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "selectdown",
    bindKey: bindKey("Shift-Down", "Shift-Down"),
    exec: function(editor) { editor.getSelection().selectDown(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "golinedown",
    bindKey: bindKey("Down", "Down|Ctrl-N"),
    exec: function(editor, args) { editor.navigateDown(args.times); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "selectwordleft",
    bindKey: bindKey("Ctrl-Shift-Left", "Option-Shift-Left"),
    exec: function(editor) { editor.getSelection().selectWordLeft(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "gotowordleft",
    bindKey: bindKey("Ctrl-Left", "Option-Left"),
    exec: function(editor) { editor.navigateWordLeft(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "selecttolinestart",
    bindKey: bindKey("Alt-Shift-Left", "Command-Shift-Left"),
    exec: function(editor) { editor.getSelection().selectLineStart(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "gotolinestart",
    bindKey: bindKey("Alt-Left|Home", "Command-Left|Home|Ctrl-A"),
    exec: function(editor) { editor.navigateLineStart(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "selectleft",
    bindKey: bindKey("Shift-Left", "Shift-Left"),
    exec: function(editor) { editor.getSelection().selectLeft(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "gotoleft",
    bindKey: bindKey("Left", "Left|Ctrl-B"),
    exec: function(editor, args) { editor.navigateLeft(args.times); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "selectwordright",
    bindKey: bindKey("Ctrl-Shift-Right", "Option-Shift-Right"),
    exec: function(editor) { editor.getSelection().selectWordRight(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "gotowordright",
    bindKey: bindKey("Ctrl-Right", "Option-Right"),
    exec: function(editor) { editor.navigateWordRight(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "selecttolineend",
    bindKey: bindKey("Alt-Shift-Right", "Command-Shift-Right"),
    exec: function(editor) { editor.getSelection().selectLineEnd(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "gotolineend",
    bindKey: bindKey("Alt-Right|End", "Command-Right|End|Ctrl-E"),
    exec: function(editor) { editor.navigateLineEnd(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "selectright",
    bindKey: bindKey("Shift-Right", "Shift-Right"),
    exec: function(editor) { editor.getSelection().selectRight(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "gotoright",
    bindKey: bindKey("Right", "Right|Ctrl-F"),
    exec: function(editor, args) { editor.navigateRight(args.times); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "selectpagedown",
    bindKey: "Shift-PageDown",
    exec: function(editor) { editor.selectPageDown(); },
    readOnly: true
}, {
    name: "pagedown",
    bindKey: bindKey(null, "Option-PageDown"),
    exec: function(editor) { editor.scrollPageDown(); },
    readOnly: true
}, {
    name: "gotopagedown",
    bindKey: bindKey("PageDown", "PageDown|Ctrl-V"),
    exec: function(editor) { editor.gotoPageDown(); },
    readOnly: true
}, {
    name: "selectpageup",
    bindKey: "Shift-PageUp",
    exec: function(editor) { editor.selectPageUp(); },
    readOnly: true
}, {
    name: "pageup",
    bindKey: bindKey(null, "Option-PageUp"),
    exec: function(editor) { editor.scrollPageUp(); },
    readOnly: true
}, {
    name: "gotopageup",
    bindKey: "PageUp",
    exec: function(editor) { editor.gotoPageUp(); },
    readOnly: true
}, {
    name: "scrollup",
    bindKey: bindKey("Ctrl-Up", null),
    exec: function(e) { e.renderer.scrollBy(0, -2 * e.renderer.layerConfig.lineHeight); },
    readOnly: true
}, {
    name: "scrolldown",
    bindKey: bindKey("Ctrl-Down", null),
    exec: function(e) { e.renderer.scrollBy(0, 2 * e.renderer.layerConfig.lineHeight); },
    readOnly: true
}, {
    name: "selectlinestart",
    bindKey: "Shift-Home",
    exec: function(editor) { editor.getSelection().selectLineStart(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "selectlineend",
    bindKey: "Shift-End",
    exec: function(editor) { editor.getSelection().selectLineEnd(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "togglerecording",
    bindKey: bindKey("Ctrl-Alt-E", "Command-Option-E"),
    exec: function(editor) { editor.commands.toggleRecording(); },
    readOnly: true
}, {
    name: "replaymacro",
    bindKey: bindKey("Ctrl-Shift-E", "Command-Shift-E"),
    exec: function(editor) { editor.commands.replay(editor); },
    readOnly: true
}, {
    name: "jumptomatching",
    bindKey: bindKey("Ctrl-P", "Ctrl-P"),
    exec: function(editor) { editor.jumpToMatching(); },
    multiSelectAction: "forEach",
    readOnly: true
}, {
    name: "selecttomatching",
    bindKey: bindKey("Ctrl-Shift-P", "Ctrl-Shift-P"),
    exec: function(editor) { editor.jumpToMatching(true); },
    readOnly: true
}, 

// commands disabled in readOnly mode
{
    name: "cut",
    exec: function(editor) {
        var range = editor.getSelectionRange();
        editor._emit("cut", range);

        if (!editor.selection.isEmpty()) {
            editor.session.remove(range);
            editor.clearSelection();
        }
    },
    multiSelectAction: "forEach"
}, {
    name: "removeline",
    bindKey: bindKey("Ctrl-D", "Command-D"),
    exec: function(editor) { editor.removeLines(); },
    multiSelectAction: "forEach"
}, {
    name: "duplicateSelection",
    bindKey: bindKey("Ctrl-Shift-D", "Command-Shift-D"),
    exec: function(editor) { editor.duplicateSelection(); },
    multiSelectAction: "forEach"
}, {
    name: "togglecomment",
    bindKey: bindKey("Ctrl-/", "Command-/"),
    exec: function(editor) { editor.toggleCommentLines(); },
    multiSelectAction: "forEach"
}, {
    name: "replace",
    bindKey: bindKey("Ctrl-R", "Command-Option-F"),
    exec: function(editor) {
        var needle = prompt("Find:", editor.getCopyText());
        if (!needle)
            return;
        var replacement = prompt("Replacement:");
        if (!replacement)
            return;
        editor.replace(replacement, {needle: needle});
    }
}, {
    name: "replaceall",
    bindKey: bindKey("Ctrl-Shift-R", "Command-Shift-Option-F"),
    exec: function(editor) {
        var needle = prompt("Find:");
        if (!needle)
            return;
        var replacement = prompt("Replacement:");
        if (!replacement)
            return;
        editor.replaceAll(replacement, {needle: needle});
    }
}, {
    name: "undo",
    bindKey: bindKey("Ctrl-Z", "Command-Z"),
    exec: function(editor) { editor.undo(); }
}, {
    name: "redo",
    bindKey: bindKey("Ctrl-Shift-Z|Ctrl-Y", "Command-Shift-Z|Command-Y"),
    exec: function(editor) { editor.redo(); }
}, {
    name: "copylinesup",
    bindKey: bindKey("Alt-Shift-Up", "Command-Option-Up"),
    exec: function(editor) { editor.copyLinesUp(); }
}, {
    name: "movelinesup",
    bindKey: bindKey("Alt-Up", "Option-Up"),
    exec: function(editor) { editor.moveLinesUp(); }
}, {
    name: "copylinesdown",
    bindKey: bindKey("Alt-Shift-Down", "Command-Option-Down"),
    exec: function(editor) { editor.copyLinesDown(); }
}, {
    name: "movelinesdown",
    bindKey: bindKey("Alt-Down", "Option-Down"),
    exec: function(editor) { editor.moveLinesDown(); }
}, {
    name: "del",
    bindKey: bindKey("Delete", "Delete|Ctrl-D"),
    exec: function(editor) { editor.remove("right"); },
    multiSelectAction: "forEach"
}, {
    name: "backspace",
    bindKey: bindKey(
        "Command-Backspace|Option-Backspace|Shift-Backspace|Backspace",
        "Ctrl-Backspace|Command-Backspace|Shift-Backspace|Backspace|Ctrl-H"
    ),
    exec: function(editor) { editor.remove("left"); },
    multiSelectAction: "forEach"
}, {
    name: "removetolinestart",
    bindKey: bindKey("Alt-Backspace", "Command-Backspace"),
    exec: function(editor) { editor.removeToLineStart(); },
    multiSelectAction: "forEach"
}, {
    name: "removetolineend",
    bindKey: bindKey("Alt-Delete", "Ctrl-K"),
    exec: function(editor) { editor.removeToLineEnd(); },
    multiSelectAction: "forEach"
}, {
    name: "removewordleft",
    bindKey: bindKey("Ctrl-Backspace", "Alt-Backspace|Ctrl-Alt-Backspace"),
    exec: function(editor) { editor.removeWordLeft(); },
    multiSelectAction: "forEach"
}, {
    name: "removewordright",
    bindKey: bindKey("Ctrl-Delete", "Alt-Delete"),
    exec: function(editor) { editor.removeWordRight(); },
    multiSelectAction: "forEach"
}, {
    name: "outdent",
    bindKey: bindKey("Shift-Tab", "Shift-Tab"),
    exec: function(editor) { editor.blockOutdent(); },
    multiSelectAction: "forEach"
}, {
    name: "indent",
    bindKey: bindKey("Tab", "Tab"),
    exec: function(editor) { editor.indent(); },
    multiSelectAction: "forEach"
}, {
    name: "insertstring",
    exec: function(editor, str) { editor.insert(str); },
    multiSelectAction: "forEach"
}, {
    name: "inserttext",
    exec: function(editor, args) {
        editor.insert(lang.stringRepeat(args.text  || "", args.times || 1));
    },
    multiSelectAction: "forEach"
}, {
    name: "splitline",
    bindKey: bindKey(null, "Ctrl-O"),
    exec: function(editor) { editor.splitLine(); },
    multiSelectAction: "forEach"
}, {
    name: "transposeletters",
    bindKey: bindKey("Ctrl-T", "Ctrl-T"),
    exec: function(editor) { editor.transposeLetters(); },
    multiSelectAction: function(editor) {editor.transposeSelections(1); }
}, {
    name: "touppercase",
    bindKey: bindKey("Ctrl-U", "Ctrl-U"),
    exec: function(editor) { editor.toUpperCase(); },
    multiSelectAction: "forEach"
}, {
    name: "tolowercase",
    bindKey: bindKey("Ctrl-Shift-U", "Ctrl-Shift-U"),
    exec: function(editor) { editor.toLowerCase(); },
    multiSelectAction: "forEach"
}];

});

ace.define('ace/undomanager', ['require', 'exports', 'module' ], function(require, exports, module) {


/**
 * class UndoManager
 *
 * This object maintains the undo stack for an [[EditSession `EditSession`]].
 *
 **/

/**
 * new UndoManager()
 * 
 * Resets the current undo state and creates a new `UndoManager`.
 **/
var UndoManager = function() {
    this.reset();
};

(function() {

    /**
    * UndoManager.execute(options) -> Void
    * - options (Object): Contains additional properties
    *
    * Provides a means for implementing your own undo manager. `options` has one property, `args`, an [[Array `Array`]], with two elements:
    * * `args[0]` is an array of deltas
    * * `args[1]` is the document to associate with
    *
    **/
    this.execute = function(options) {
        var deltas = options.args[0];
        this.$doc  = options.args[1];
        this.$undoStack.push(deltas);
        this.$redoStack = [];
    };
    this.undo = function(dontSelect) {
        var deltas = this.$undoStack.pop();
        var undoSelectionRange = null;
        if (deltas) {
            undoSelectionRange =
                this.$doc.undoChanges(deltas, dontSelect);
            this.$redoStack.push(deltas);
        }
        return undoSelectionRange;
    };
    this.redo = function(dontSelect) {
        var deltas = this.$redoStack.pop();
        var redoSelectionRange = null;
        if (deltas) {
            redoSelectionRange =
                this.$doc.redoChanges(deltas, dontSelect);
            this.$undoStack.push(deltas);
        }
        return redoSelectionRange;
    };
    this.reset = function() {
        this.$undoStack = [];
        this.$redoStack = [];
    };
    this.hasUndo = function() {
        return this.$undoStack.length > 0;
    };
    this.hasRedo = function() {
        return this.$redoStack.length > 0;
    };

}).call(UndoManager.prototype);

exports.UndoManager = UndoManager;
});

ace.define('ace/virtual_renderer', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/lib/dom', 'ace/lib/event', 'ace/lib/useragent', 'ace/config', 'ace/lib/net', 'ace/layer/gutter', 'ace/layer/marker', 'ace/layer/text', 'ace/layer/cursor', 'ace/scrollbar', 'ace/renderloop', 'ace/lib/event_emitter', 'text!ace/css/editor.css'], function(require, exports, module) {


var oop = require("./lib/oop");
var dom = require("./lib/dom");
var event = require("./lib/event");
var useragent = require("./lib/useragent");
var config = require("./config");
var net = require("./lib/net");
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 ScrollBar = require("./scrollbar").ScrollBar;
var RenderLoop = require("./renderloop").RenderLoop;
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var editorCss = require("text!./css/editor.css");

dom.importCssString(editorCss, "ace_editor");

/**
 * new VirtualRenderer(container, theme)
 * - container (DOMElement): The root element of the editor
 * - theme (String): The starting theme
 *
 * Constructs a new `VirtualRenderer` within the `container` specified, applying the given `theme`.
 *
 **/

var VirtualRenderer = function(container, theme) {
    var _self = this;

    this.container = container;

    // TODO: this breaks rendering in Cloud9 with multiple ace instances
//    // Imports CSS once per DOM document ('ace_editor' serves as an identifier).
//    dom.importCssString(editorCss, "ace_editor", container.ownerDocument);

    // in IE <= 9 the native cursor always shines through
    this.$keepTextAreaAtCursor = !useragent.isIE;

    dom.addCssClass(container, "ace_editor");

    this.setTheme(theme);

    this.$gutter = dom.createElement("div");
    this.$gutter.className = "ace_gutter";
    this.container.appendChild(this.$gutter);

    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.onResize.bind(this, true));
    this.setFadeFoldWidgets(true);

    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.characterWidth = textLayer.getCharacterWidth();
    this.lineHeight = textLayer.getLineHeight();

    this.$cursorLayer = new CursorLayer(this.content);
    this.$cursorPadding = 8;

    // Indicates whether the horizontal scrollbar is visible
    this.$horizScroll = false;
    this.$horizScrollAlwaysVisible = false;

    this.$animatedScroll = false;

    this.scrollBar = new ScrollBar(container);
    this.scrollBar.addEventListener("scroll", function(e) {
        if (!_self.$inScrollAnimation)
            _self.session.setScrollTop(e.data);
    });

    this.scrollTop = 0;
    this.scrollLeft = 0;

    event.addListener(this.scroller, "scroll", function() {
        var scrollLeft = _self.scroller.scrollLeft;
        _self.scrollLeft = scrollLeft;
        _self.session.setScrollLeft(scrollLeft);
    });

    this.cursorPos = {
        row : 0,
        column : 0
    };

    this.$textLayer.addEventListener("changeCharacterSize", function() {
        _self.characterWidth = textLayer.getCharacterWidth();
        _self.lineHeight = textLayer.getLineHeight();
        _self.$updatePrintMargin();
        _self.onResize(true);

        _self.$loop.schedule(_self.CHANGE_FULL);
    });

    this.$size = {
        width: 0,
        height: 0,
        scrollerHeight: 0,
        scrollerWidth: 0
    };

    this.layerConfig = {
        width : 1,
        padding : 0,
        firstRow : 0,
        firstRowScreen: 0,
        lastRow : 0,
        lineHeight : 1,
        characterWidth : 1,
        minHeight : 1,
        maxHeight : 1,
        offset : 0,
        height : 1
    };

    this.$loop = new RenderLoop(
        this.$renderChanges.bind(this),
        this.container.ownerDocument.defaultView
    );
    this.$loop.schedule(this.CHANGE_FULL);

    this.setPadding(4);
    this.$updatePrintMargin();
};

(function() {
    this.showGutter = true;

    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.setSession = function(session) {
        this.session = session;
        
        this.scroller.className = "ace_scroller";
        
        this.$cursorLayer.setSession(session);
        this.$markerBack.setSession(session);
        this.$markerFront.setSession(session);
        this.$gutterLayer.setSession(session);
        this.$textLayer.setSession(session);
        this.$loop.schedule(this.CHANGE_FULL);
        
    };
    this.updateLines = function(firstRow, lastRow) {
        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;
        }

        this.$loop.schedule(this.CHANGE_LINES);
    };
    this.updateText = function() {
        this.$loop.schedule(this.CHANGE_TEXT);
    };
    this.updateFull = function() {
        this.$loop.schedule(this.CHANGE_FULL);
    };
    this.updateFontSize = function() {
        this.$textLayer.checkForSizeChanges();
    };
    this.onResize = function(force) {
        var changes = this.CHANGE_SIZE;
        var size = this.$size;

        var height = dom.getInnerHeight(this.container);
        if (force || size.height != height) {
            size.height = height;

            this.scroller.style.height = height + "px";
            size.scrollerHeight = this.scroller.clientHeight;
            this.scrollBar.setHeight(size.scrollerHeight);

            if (this.session) {
                this.session.setScrollTop(this.getScrollTop());
                changes = changes | this.CHANGE_FULL;
            }
        }

        var width = dom.getInnerWidth(this.container);
        if (force || size.width != width) {
            size.width = width;

            var gutterWidth = this.showGutter ? this.$gutter.offsetWidth : 0;
            this.scroller.style.left = gutterWidth + "px";
            size.scrollerWidth = Math.max(0, width - gutterWidth - this.scrollBar.getWidth());
            this.scroller.style.width = size.scrollerWidth + "px";

            if (this.session.getUseWrapMode() && this.adjustWrapLimit() || force)
                changes = changes | this.CHANGE_FULL;
        }

        this.$loop.schedule(changes);
    };
    this.adjustWrapLimit = function() {
        var availableWidth = this.$size.scrollerWidth - this.$padding * 2;
        var limit = Math.floor(availableWidth / this.characterWidth);
        return this.session.adjustWrapLimit(limit);
    };
    this.setAnimatedScroll = function(shouldAnimate){
        this.$animatedScroll = shouldAnimate;
    };
    this.getAnimatedScroll = function() {
        return this.$animatedScroll;
    };
    this.setShowInvisibles = function(showInvisibles) {
        if (this.$textLayer.setShowInvisibles(showInvisibles))
            this.$loop.schedule(this.CHANGE_TEXT);
    };
    this.getShowInvisibles = function() {
        return this.$textLayer.showInvisibles;
    };

    this.$showPrintMargin = true;
    this.setShowPrintMargin = function(showPrintMargin) {
        this.$showPrintMargin = showPrintMargin;
        this.$updatePrintMargin();
    };
    this.getShowPrintMargin = function() {
        return this.$showPrintMargin;
    };

    this.$printMarginColumn = 80;
    this.setPrintMarginColumn = function(showPrintMargin) {
        this.$printMarginColumn = showPrintMargin;
        this.$updatePrintMargin();
    };
    this.getPrintMarginColumn = function() {
        return this.$printMarginColumn;
    };
    this.getShowGutter = function(){
        return this.showGutter;
    };
    this.setShowGutter = function(show){
        if(this.showGutter === show)
            return;
        this.$gutter.style.display = show ? "block" : "none";
        this.showGutter = show;
        this.onResize(true);
    };

    this.getFadeFoldWidgets = function(){
        return dom.hasCssClass(this.$gutter, "ace_fade-fold-widgets");
    };

    this.setFadeFoldWidgets = function(show) {
        if (show)
            dom.addCssClass(this.$gutter, "ace_fade-fold-widgets");
        else
            dom.removeCssClass(this.$gutter, "ace_fade-fold-widgets");
    };

    this.$highlightGutterLine = true;
    this.setHighlightGutterLine = function(shouldHighlight) {
        if (this.$highlightGutterLine == shouldHighlight)
            return;
        this.$highlightGutterLine = shouldHighlight;

        this.$loop.schedule(this.CHANGE_GUTTER);
    };

    this.getHighlightGutterLine = function() {
        return this.$highlightGutterLine;
    };

    this.$updateGutterLineHighlight = function(gutterReady) {
        var i = this.session.selection.lead.row;
        if (i == this.$gutterLineHighlight)
            return;

        if (!gutterReady) {
            var lineEl, ch = this.$gutterLayer.element.children;
            var index = this.$gutterLineHighlight - this.layerConfig.firstRow;
            if (index >= 0 && (lineEl = ch[index]))
                dom.removeCssClass(lineEl, "ace_gutter_active_line");

            index = i - this.layerConfig.firstRow;
            if (index >= 0 && (lineEl = ch[index]))
                dom.addCssClass(lineEl, "ace_gutter_active_line");
        }

        this.$gutterLayer.removeGutterDecoration(this.$gutterLineHighlight, "ace_gutter_active_line");
        this.$gutterLayer.addGutterDecoration(i, "ace_gutter_active_line");
        this.$gutterLineHighlight = i;
    };
    
    this.$updatePrintMargin = function() {
        var containerEl;

        if (!this.$showPrintMargin && !this.$printMarginEl)
            return;

        if (!this.$printMarginEl) {
            containerEl = dom.createElement("div");
            containerEl.className = "ace_print_margin_layer";
            this.$printMarginEl = dom.createElement("div");
            this.$printMarginEl.className = "ace_print_margin";
            containerEl.appendChild(this.$printMarginEl);
            this.content.insertBefore(containerEl, this.$textLayer.element);
        }

        var style = this.$printMarginEl.style;
        style.left = ((this.characterWidth * this.$printMarginColumn) + this.$padding) + "px";
        style.visibility = this.$showPrintMargin ? "visible" : "hidden";
    };
    this.getContainerElement = function() {
        return this.container;
    };
    this.getMouseEventTarget = function() {
        return this.content;
    };
    this.getTextAreaContainer = function() {
        return this.container;
    };

    // move text input over the cursor
    // this is required for iOS and IME
    this.$moveTextAreaToCursor = function() {
        if (!this.$keepTextAreaAtCursor)
            return;

        var posTop = this.$cursorLayer.$pixelPos.top;
        var posLeft = this.$cursorLayer.$pixelPos.left;
        posTop -= this.layerConfig.offset;

        if (posTop < 0 || posTop > this.layerConfig.height - this.lineHeight)
            return;

        var w = this.characterWidth;
        if (this.$composition)
            w += this.textarea.scrollWidth;
        posLeft -= this.scrollLeft;
        if (posLeft > this.$size.scrollerWidth - w)
            posLeft = this.$size.scrollerWidth - w;

        if (this.showGutter)
            posLeft += this.$gutterLayer.gutterWidth;

        this.textarea.style.height = this.lineHeight + "px";
        this.textarea.style.width = w + "px";
        this.textarea.style.left = posLeft + "px";
        this.textarea.style.top = posTop - 1 + "px";
    };
    this.getFirstVisibleRow = function() {
        return this.layerConfig.firstRow;
    };
    this.getFirstFullyVisibleRow = function() {
        return this.layerConfig.firstRow + (this.layerConfig.offset === 0 ? 0 : 1);
    };
    this.getLastFullyVisibleRow = function() {
        var flint = Math.floor((this.layerConfig.height + this.layerConfig.offset) / this.layerConfig.lineHeight);
        return this.layerConfig.firstRow - 1 + flint;
    };
    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.getHScrollBarAlwaysVisible = function() {
        return this.$horizScrollAlwaysVisible;
    };
    this.setHScrollBarAlwaysVisible = function(alwaysVisible) {
        if (this.$horizScrollAlwaysVisible != alwaysVisible) {
            this.$horizScrollAlwaysVisible = alwaysVisible;
            if (!this.$horizScrollAlwaysVisible || !this.$horizScroll)
                this.$loop.schedule(this.CHANGE_SCROLL);
        }
    };

    this.$updateScrollBar = function() {
        this.scrollBar.setInnerHeight(this.layerConfig.maxHeight);
        this.scrollBar.setScrollTop(this.scrollTop);
    };

    this.$renderChanges = function(changes) {
        if (!changes || !this.session || !this.container.offsetWidth)
            return;

        // text, scrolling and resize changes can cause the view port size to change
        if (changes & this.CHANGE_FULL ||
            changes & this.CHANGE_SIZE ||
            changes & this.CHANGE_TEXT ||
            changes & this.CHANGE_LINES ||
            changes & this.CHANGE_SCROLL
        )
            this.$computeLayerConfig();

        // horizontal scrolling
        if (changes & this.CHANGE_H_SCROLL) {
            this.scroller.scrollLeft = this.scrollLeft;

            // read the value after writing it since the value might get clipped
            var scrollLeft = this.scroller.scrollLeft;
            this.scrollLeft = scrollLeft;
            this.session.setScrollLeft(scrollLeft);

            this.scroller.className = this.scrollLeft == 0 ? "ace_scroller" : "ace_scroller horscroll";
        }

        // full
        if (changes & this.CHANGE_FULL) {
            this.$textLayer.checkForSizeChanges();
            // update scrollbar first to not lose scroll position when gutter calls resize
            this.$updateScrollBar();
            this.$textLayer.update(this.layerConfig);
            if (this.showGutter) {
                if (this.$highlightGutterLine)
                    this.$updateGutterLineHighlight(true);
                this.$gutterLayer.update(this.layerConfig);
            }
            this.$markerBack.update(this.layerConfig);
            this.$markerFront.update(this.layerConfig);
            this.$cursorLayer.update(this.layerConfig);
            this.$moveTextAreaToCursor();
            return;
        }

        // scrolling
        if (changes & this.CHANGE_SCROLL) {
            this.$updateScrollBar();
            if (changes & this.CHANGE_TEXT || changes & this.CHANGE_LINES)
                this.$textLayer.update(this.layerConfig);
            else
                this.$textLayer.scrollLines(this.layerConfig);

            if (this.showGutter) {
                if (this.$highlightGutterLine)
                    this.$updateGutterLineHighlight(true);
                this.$gutterLayer.update(this.layerConfig);
            }
            this.$markerBack.update(this.layerConfig);
            this.$markerFront.update(this.layerConfig);
            this.$cursorLayer.update(this.layerConfig);
            this.$moveTextAreaToCursor();
            return;
        }

        if (changes & this.CHANGE_TEXT) {
            this.$textLayer.update(this.layerConfig);
            if (this.showGutter)
                this.$gutterLayer.update(this.layerConfig);
        }
        else if (changes & this.CHANGE_LINES) {
            if (this.$updateLines()) {
                this.$updateScrollBar();
                if (this.showGutter)
                    this.$gutterLayer.update(this.layerConfig);
            }
        } else if (changes & this.CHANGE_GUTTER) {
            if (this.showGutter)
                this.$gutterLayer.update(this.layerConfig);
        }

        if (changes & this.CHANGE_CURSOR) {
            this.$cursorLayer.update(this.layerConfig);
            this.$moveTextAreaToCursor();
            this.$highlightGutterLine && this.$updateGutterLineHighlight(false);
        }

        if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_FRONT)) {
            this.$markerFront.update(this.layerConfig);
        }

        if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_BACK)) {
            this.$markerBack.update(this.layerConfig);
        }

        if (changes & this.CHANGE_SIZE)
            this.$updateScrollBar();
    };

    this.$computeLayerConfig = function() {
        var session = this.session;

        var offset = this.scrollTop % this.lineHeight;
        var minHeight = this.$size.scrollerHeight + this.lineHeight;

        var longestLine = this.$getLongestLine();

        var horizScroll = this.$horizScrollAlwaysVisible || this.$size.scrollerWidth - longestLine < 0;
        var horizScrollChanged = this.$horizScroll !== horizScroll;
        this.$horizScroll = horizScroll;
        if (horizScrollChanged) {
            this.scroller.style.overflowX = horizScroll ? "scroll" : "hidden";
            // when we hide scrollbar scroll event isn't emited
            // leaving session with wrong scrollLeft value
            if (!horizScroll)
                this.session.setScrollLeft(0);
        }
        var maxHeight = this.session.getScreenLength() * this.lineHeight;
        this.session.setScrollTop(Math.max(0, Math.min(this.scrollTop, maxHeight - this.$size.scrollerHeight)));

        var lineCount = Math.ceil(minHeight / this.lineHeight) - 1;
        var firstRow = Math.max(0, Math.round((this.scrollTop - offset) / this.lineHeight));
        var lastRow = firstRow + lineCount;

        // Map lines on the screen to lines in the document.
        var firstRowScreen, firstRowHeight;
        var lineHeight = { lineHeight: this.lineHeight };
        firstRow = session.screenToDocumentRow(firstRow, 0);

        // Check if firstRow is inside of a foldLine. If true, then use the first
        // row of the foldLine.
        var foldLine = session.getFoldLine(firstRow);
        if (foldLine) {
            firstRow = foldLine.start.row;
        }

        firstRowScreen = session.documentToScreenRow(firstRow, 0);
        firstRowHeight = session.getRowHeight(lineHeight, firstRow);

        lastRow = Math.min(session.screenToDocumentRow(lastRow, 0), session.getLength() - 1);
        minHeight = this.$size.scrollerHeight + session.getRowHeight(lineHeight, lastRow)+
                                                firstRowHeight;

        offset = this.scrollTop - firstRowScreen * this.lineHeight;

        this.layerConfig = {
            width : longestLine,
            padding : this.$padding,
            firstRow : firstRow,
            firstRowScreen: firstRowScreen,
            lastRow : lastRow,
            lineHeight : this.lineHeight,
            characterWidth : this.characterWidth,
            minHeight : minHeight,
            maxHeight : maxHeight,
            offset : offset,
            height : this.$size.scrollerHeight
        };

        // For debugging.
        // console.log(JSON.stringify(this.layerConfig));

        this.$gutterLayer.element.style.marginTop = (-offset) + "px";
        this.content.style.marginTop = (-offset) + "px";
        this.content.style.width = longestLine + 2 * this.$padding + "px";
        this.content.style.height = minHeight + "px";

        // Horizontal scrollbar visibility may have changed, which changes
        // the client height of the scroller
        if (horizScrollChanged)
            this.onResize(true);
    };

    this.$updateLines = function() {
        var firstRow = this.$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 the last row is unknown -> redraw everything
        if (lastRow === Infinity) {
            if (this.showGutter)
                this.$gutterLayer.update(layerConfig);
            this.$textLayer.update(layerConfig);
            return;
        }

        // else update only the changed rows
        this.$textLayer.updateLines(layerConfig, firstRow, lastRow);
        return true;
    };

    this.$getLongestLine = function() {
        var charCount = this.session.getScreenWidth();
        if (this.$textLayer.showInvisibles)
            charCount += 1;

        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.$gutterLayer.addGutterDecoration(row, className);
        this.$loop.schedule(this.CHANGE_GUTTER);
    };
    this.removeGutterDecoration = function(row, className){
        this.$gutterLayer.removeGutterDecoration(row, className);
        this.$loop.schedule(this.CHANGE_GUTTER);
    };
    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) {
        // first scroll anchor into view then scroll lead into view
        this.scrollCursorIntoView(anchor, offset);
        this.scrollCursorIntoView(lead, offset);
    };
    this.scrollCursorIntoView = function(cursor, offset) {
        // the editor is not visible
        if (this.$size.scrollerHeight === 0)
            return;

        var pos = this.$cursorLayer.getPixelPosition(cursor);

        var left = pos.left;
        var top = pos.top;

        if (this.scrollTop > top) {
            if (offset)
                top -= offset * this.$size.scrollerHeight;
            this.session.setScrollTop(top);
        } else if (this.scrollTop + this.$size.scrollerHeight < top + this.lineHeight) {
            if (offset)
                top += offset * this.$size.scrollerHeight;
            this.session.setScrollTop(top + this.lineHeight - this.$size.scrollerHeight);
        }

        var scrollLeft = this.scrollLeft;

        if (scrollLeft > left) {
            if (left < this.$padding + 2 * this.layerConfig.characterWidth)
                left = 0;
            this.session.setScrollLeft(left);
        } else if (scrollLeft + this.$size.scrollerWidth < left + this.characterWidth) {
            this.session.setScrollLeft(Math.round(left + this.characterWidth - this.$size.scrollerWidth));
        }
    };
    this.getScrollTop = function() {
        return this.session.getScrollTop();
    };
    this.getScrollLeft = function() {
        return this.session.getScrollLeft();
    };
    this.getScrollTopRow = function() {
        return this.scrollTop / this.lineHeight;
    };
    this.getScrollBottomRow = function() {
        return Math.max(0, Math.floor((this.scrollTop + this.$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.$cursorLayer.getPixelPosition(cursor);
        var offset = pos.top - this.$size.scrollerHeight * (alignment || 0);

        this.session.setScrollTop(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.$animatedScroll && Math.abs(fromValue - toValue) < 100000) {
            var _self = this;
            var steps = _self.$calcSteps(fromValue, toValue);
            this.$inScrollAnimation = true;

            clearInterval(this.$timer);

            _self.session.setScrollTop(steps.shift());
            this.$timer = setInterval(function() {
                if (steps.length) {
                    _self.session.setScrollTop(steps.shift());
                    // trick session to think it's already scrolled to not loose toValue
                    _self.session.$scrollTop = toValue;
                } else if (toValue != null) {
                    _self.session.$scrollTop = -1;
                    _self.session.setScrollTop(toValue);
                    toValue = null;
                } else {
                    // do this on separate step to not get spurious scroll event from scrollbar
                    _self.$timer = clearInterval(_self.$timer);
                    _self.$inScrollAnimation = false;
                    callback && callback();
                }
            }, 10);
        }
    };
    this.scrollToY = function(scrollTop) {
        // after calling scrollBar.setScrollTop
        // scrollbar sends us event with same scrollTop. ignore it
        if (this.scrollTop !== scrollTop) {
            this.$loop.schedule(this.CHANGE_SCROLL);
            this.scrollTop = scrollTop;
        }
    };
    this.scrollToX = function(scrollLeft) {
        if (scrollLeft < 0)
            scrollLeft = 0;

        if (this.scrollLeft !== scrollLeft)
            this.scrollLeft = scrollLeft;
        this.$loop.schedule(this.CHANGE_H_SCROLL);
    };
    this.scrollBy = function(deltaX, deltaY) {
        deltaY && this.session.setScrollTop(this.session.getScrollTop() + deltaY);
        deltaX && this.session.setScrollLeft(this.session.getScrollLeft() + deltaX);
    };
    this.isScrollableBy = function(deltaX, deltaY) {
        if (deltaY < 0 && this.session.getScrollTop() > 0)
           return true;
        if (deltaY > 0 && this.session.getScrollTop() + this.$size.scrollerHeight < this.layerConfig.maxHeight)
           return true;
        // todo: handle horizontal scrolling
    };

    this.pixelToScreenCoordinates = function(x, y) {
        var canvasPos = this.scroller.getBoundingClientRect();

        var offset = (x + this.scrollLeft - canvasPos.left - this.$padding) / this.characterWidth;
        var row = Math.floor((y + this.scrollTop - canvasPos.top) / this.lineHeight);
        var col = Math.round(offset);

        return {row: row, column: col, side: offset - col > 0 ? 1 : -1};
    };

    this.screenToTextCoordinates = function(x, y) {
        var canvasPos = this.scroller.getBoundingClientRect();

        var col = Math.round(
            (x + this.scrollLeft - canvasPos.left - this.$padding) / this.characterWidth
        );
        var row = Math.floor(
            (y + this.scrollTop - canvasPos.top) / this.lineHeight
        );

        return this.session.screenToDocumentPosition(row, Math.max(col, 0));
    };
    this.textToScreenCoordinates = function(row, column) {
        var canvasPos = this.scroller.getBoundingClientRect();
        var pos = this.session.documentToScreenPosition(row, column);

        var x = this.$padding + 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(position) {
        if (!this.$composition)
            this.$composition = {
                keepTextAreaAtCursor: this.$keepTextAreaAtCursor,
                cssText: this.textarea.style.cssText
            };

        this.$keepTextAreaAtCursor = true;
        dom.addCssClass(this.textarea, "ace_composition");
        this.textarea.style.cssText = "";
        this.$moveTextAreaToCursor();
    };
    this.setCompositionText = function(text) {
        this.$moveTextAreaToCursor();
    };
    this.hideComposition = function() {
        if (!this.$composition)
            return;

        dom.removeCssClass(this.textarea, "ace_composition");
        this.$keepTextAreaAtCursor = this.$composition.keepTextAreaAtCursor;
        this.textarea.style.cssText = this.$composition.cssText;
        this.$composition = null;
    };

    this._loadTheme = function(name, callback) {
        if (!config.get("packaged"))
            return callback();

        var base = name.split("/").pop();
        var filename = config.get("themePath") + "/theme-" + base + config.get("suffix");
        net.loadScript(filename, callback);
    };
    this.setTheme = function(theme) {
        var _self = this;

        this.$themeValue = theme;
        if (!theme || typeof theme == "string") {
            var moduleName = theme || "ace/theme/textmate";

            var module;
            try {
                module = require(moduleName);
            } catch (e) {};
            if (module)
                return afterLoad(module);

            _self._loadTheme(moduleName, function() {
                require([moduleName], function(module) {
                    if (_self.$themeValue !== theme)
                        return;

                    afterLoad(module);
                });
            });
        } else {
            afterLoad(theme);
        }

        function afterLoad(theme) {
            dom.importCssString(
                theme.cssText,
                theme.cssClass,
                _self.container.ownerDocument
            );

            if (_self.$theme)
                dom.removeCssClass(_self.container, _self.$theme);

            _self.$theme = theme ? theme.cssClass : null;

            if (_self.$theme)
                dom.addCssClass(_self.container, _self.$theme);

            if (theme && theme.isDark)
                dom.addCssClass(_self.container, "ace_dark");
            else
                dom.removeCssClass(_self.container, "ace_dark");

            // force re-measure of the gutter width
            if (_self.$size) {
                _self.$size.width = 0;
                _self.onResize();
            }
        }
    };
    this.getTheme = function() {
        return this.$themeValue;
    };

    // Methods allows to add / remove CSS classnames to the editor element.
    // This feature can be used by plug-ins to provide a visual indication of
    // a certain mode that editor is in.

    /**
    * VirtualRenderer.setStyle(style) -> Void
    * - style (String): A class name
    *
    * [Adds a new class, `style`, to the editor.]{: #VirtualRenderer.setStyle}
    **/
    this.setStyle = function setStyle(style) {
      dom.addCssClass(this.container, style);
    };
    this.unsetStyle = function unsetStyle(style) {
      dom.removeCssClass(this.container, style);
    };
    this.destroy = function() {
        this.$textLayer.destroy();
        this.$cursorLayer.destroy();
    };

}).call(VirtualRenderer.prototype);

exports.VirtualRenderer = VirtualRenderer;
});

ace.define('ace/layer/gutter', ['require', 'exports', 'module' , 'ace/lib/dom', 'ace/lib/oop', 'ace/lib/event_emitter'], function(require, exports, module) {


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

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.$breakpoints = [];
    this.$annotations = [];
    this.$decorations = [];
};

(function() {

    oop.implement(this, EventEmitter);
    
    this.setSession = function(session) {
        this.session = session;
    };

    this.addGutterDecoration = function(row, className){
        if (!this.$decorations[row])
            this.$decorations[row] = "";
        this.$decorations[row] += " " + className;
    };

    this.removeGutterDecoration = function(row, className){
        this.$decorations[row] = (this.$decorations[row] || "").replace(" " + className, "");
    };

    this.setAnnotations = function(annotations) {
        // iterate over sparse array
        this.$annotations = [];
        for (var row in annotations) if (annotations.hasOwnProperty(row)) {
            var rowAnnotations = annotations[row];
            if (!rowAnnotations)
                continue;

            var rowInfo = this.$annotations[row] = {
                text: []
            };
            for (var i=0; i<rowAnnotations.length; i++) {
                var annotation = rowAnnotations[i];
                var annoText = annotation.text.replace(/"/g, "&quot;").replace(/'/g, "&#8217;").replace(/</, "&lt;");
                if (rowInfo.text.indexOf(annoText) === -1)
                    rowInfo.text.push(annoText);
                var type = annotation.type;
                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.update = function(config) {
        this.$config = config;

        var emptyAnno = {className: "", text: []};
        var html = [];
        var i = config.firstRow;
        var lastRow = config.lastRow;
        var fold = this.session.getNextFoldLine(i);
        var foldStart = fold ? fold.start.row : Infinity;
        var foldWidgets = this.$showFoldWidgets && this.session.foldWidgets;
        var breakpoints = this.session.$breakpoints;

        while (true) {
            if(i > foldStart) {
                i = fold.end.row + 1;
                fold = this.session.getNextFoldLine(i, fold);
                foldStart = fold ?fold.start.row :Infinity;
            }
            if(i > lastRow)
                break;

            var annotation = this.$annotations[i] || emptyAnno;
            html.push("<div class='ace_gutter-cell",
                this.$decorations[i] || "",
                breakpoints[i] ? " ace_breakpoint " : " ",
                annotation.className,
                "' title='", annotation.text.join("\n"),
                "' style='height:", this.session.getRowLength(i) * config.lineHeight, "px;'>", (i+1));

            if (foldWidgets) {
                var c = foldWidgets[i];
                // check if cached value is invalidated and we need to recompute
                if (c == null)
                    c = foldWidgets[i] = this.session.getFoldWidget(i);
                if (c)
                    html.push(
                        "<span class='ace_fold-widget ", c,
                        c == "start" && i == foldStart && i < fold.end.row ? " closed" : " open",
                        "'></span>"
                    );
            }

            html.push("</div>");

            i++;
        }

        if (this.session.$useWrapMode)
            html.push(
                "<div class='ace_gutter-cell' style='pointer-events:none;opacity:0'>",
                this.session.getLength() - 1,
                "</div>"
            );

        this.element = dom.setInnerHtml(this.element, html.join(""));
        this.element.style.height = config.minHeight + "px";
        
        var gutterWidth = this.element.offsetWidth;
        if (gutterWidth !== this.gutterWidth) {
            this.gutterWidth = gutterWidth;
            this._emit("changeGutterWidth", gutterWidth);
        }
    };

    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.getShowFoldWidgets = function() {
        return this.$showFoldWidgets;
    };

}).call(Gutter.prototype);

exports.Gutter = Gutter;

});

ace.define('ace/layer/marker', ['require', 'exports', 'module' , 'ace/range', 'ace/lib/dom'], function(require, exports, module) {


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.update = function(config) {
        var config = config || this.config;
        if (!config)
            return;

        this.config = config;


        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.$getTop(range.start.row, config);
                var left = Math.round(
                    this.$padding + range.start.column * config.characterWidth
                );
                marker.renderer(html, range, left, top, config);
            }
            else if (range.isMultiLine()) {
                if (marker.type == "text") {
                    this.drawTextMarker(html, range, marker.clazz, config);
                } else {
                    this.drawMultiLineMarker(
                        html, range, marker.clazz, config,
                        marker.type
                    );
                }
            }
            else {
                this.drawSingleLineMarker(
                    html, range, marker.clazz + " start", config,
                    null, marker.type
                );
            }
        }
        this.element = dom.setInnerHtml(this.element, html.join(""));
    };

    this.$getTop = function(row, layerConfig) {
        return (row - layerConfig.firstRowScreen) * layerConfig.lineHeight;
    };

    // Draws a marker, which spans a range of text on multiple lines 
    this.drawTextMarker = function(stringBuilder, range, clazz, layerConfig) {
        // selection start
        var row = range.start.row;

        var lineRange = new Range(
            row, range.start.column,
            row, this.session.getScreenLastRowColumn(row)
        );
        this.drawSingleLineMarker(stringBuilder, lineRange, clazz + " start", layerConfig, 1, "text");

        // selection end
        row = range.end.row;
        lineRange = new Range(row, 0, row, range.end.column);
        this.drawSingleLineMarker(stringBuilder, lineRange, clazz, layerConfig, 0, "text");

        for (row = range.start.row + 1; row < range.end.row; row++) {
            lineRange.start.row = row;
            lineRange.end.row = row;
            lineRange.end.column = this.session.getScreenLastRowColumn(row);
            this.drawSingleLineMarker(stringBuilder, lineRange, clazz, layerConfig, 1, "text");
        }
    };

     // Draws a multi line marker, where lines span the full width
     this.drawMultiLineMarker = function(stringBuilder, range, clazz, layerConfig, type) {
        var padding = type === "background" ? 0 : this.$padding;
        var layerWidth = layerConfig.width + 2 * this.$padding - padding;
        // from selection start to the end of the line
        var height = layerConfig.lineHeight;
        var width = Math.round(layerWidth - (range.start.column * layerConfig.characterWidth));
        var top = this.$getTop(range.start.row, layerConfig);
        var left = Math.round(
            padding + range.start.column * layerConfig.characterWidth
        );

        stringBuilder.push(
            "<div class='", clazz, " start' style='",
            "height:", height, "px;",
            "width:", width, "px;",
            "top:", top, "px;",
            "left:", left, "px;'></div>"
        );

        // from start of the last line to the selection end
        top = this.$getTop(range.end.row, layerConfig);
        width = Math.round(range.end.column * layerConfig.characterWidth);

        stringBuilder.push(
            "<div class='", clazz, "' style='",
            "height:", height, "px;",
            "width:", width, "px;",
            "top:", top, "px;",
            "left:", padding, "px;'></div>"
        );

        // all the complete lines
        height = (range.end.row - range.start.row - 1) * layerConfig.lineHeight;
        if (height < 0)
            return;
        top = this.$getTop(range.start.row + 1, layerConfig);

        stringBuilder.push(
            "<div class='", clazz, "' style='",
            "height:", height, "px;",
            "width:", layerWidth, "px;",
            "top:", top, "px;",
            "left:", padding, "px;'></div>"
        );
    };

    // Draws a marker which covers part or whole width of a single screen line
    this.drawSingleLineMarker = function(stringBuilder, range, clazz, layerConfig, extraLength, type) {
        var padding = type === "background" ? 0 : this.$padding;
        var height = layerConfig.lineHeight;

        if (type === "background")
            var width = layerConfig.width;
        else
            width = Math.round((range.end.column + (extraLength || 0) - range.start.column) * layerConfig.characterWidth);

        var top = this.$getTop(range.start.row, layerConfig);
        var left = Math.round(
            padding + range.start.column * layerConfig.characterWidth
        );

        stringBuilder.push(
            "<div class='", clazz, "' style='",
            "height:", height, "px;",
            "width:", width, "px;",
            "top:", top, "px;",
            "left:", left,"px;'></div>"
        );
    };

}).call(Marker.prototype);

exports.Marker = Marker;

});

ace.define('ace/layer/text', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/lib/dom', 'ace/lib/lang', '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 useragent = require("../lib/useragent");
var EventEmitter = require("../lib/event_emitter").EventEmitter;

var Text = function(parentEl) {
    this.element = dom.createElement("div");
    this.element.className = "ace_layer ace_text-layer";
    parentEl.appendChild(this.element);

    this.$characterSize = this.$measureSizes() || {width: 0, height: 0};
    this.$pollSizeChanges();
};

(function() {

    oop.implement(this, EventEmitter);

    this.EOF_CHAR = "\xB6"; //"&para;";
    this.EOL_CHAR = "\xAC"; //"&not;";
    this.TAB_CHAR = "\u2192"; //"&rarr;" "\u21E5";
    this.SPACE_CHAR = "\xB7"; //"&middot;";
    this.$padding = 0;

    this.setPadding = function(padding) {
        this.$padding = padding;
        this.element.style.padding = "0 " + padding + "px";
    };

    this.getLineHeight = function() {
        return this.$characterSize.height || 1;
    };

    this.getCharacterWidth = function() {
        return this.$characterSize.width || 1;
    };

    this.checkForSizeChanges = function() {
        var size = this.$measureSizes();
        if (size && (this.$characterSize.width !== size.width || this.$characterSize.height !== size.height)) {
            this.$characterSize = size;
            this._emit("changeCharacterSize", {data: size});
        }
    };

    this.$pollSizeChanges = function() {
        var self = this;
        this.$pollSizeChangesTimer = setInterval(function() {
            self.checkForSizeChanges();
        }, 500);
    };

    this.$fontStyles = {
        fontFamily : 1,
        fontSize : 1,
        fontWeight : 1,
        fontStyle : 1,
        lineHeight : 1
    };

    this.$measureSizes = useragent.isIE || useragent.isOldGecko ? function() {
        var n = 1000;
        if (!this.$measureNode) {
            var measureNode = this.$measureNode = dom.createElement("div");
            var style = measureNode.style;

            style.width = style.height = "auto";
            style.left = style.top = (-n * 40)  + "px";

            style.visibility = "hidden";
            style.position = "fixed";
            style.overflow = "visible";
            style.whiteSpace = "nowrap";

            // in FF 3.6 monospace fonts can have a fixed sub pixel width.
            // that's why we have to measure many characters
            // Note: characterWidth can be a float!
            measureNode.innerHTML = lang.stringRepeat("Xy", n);

            if (this.element.ownerDocument.body) {
                this.element.ownerDocument.body.appendChild(measureNode);
            } else {
                var container = this.element.parentNode;
                while (!dom.hasCssClass(container, "ace_editor"))
                    container = container.parentNode;
                container.appendChild(measureNode);
            }
        }
        
        // Size and width can be null if the editor is not visible or
        // detached from the document
        if (!this.element.offsetWidth)
            return null;

        var style = this.$measureNode.style;
        var computedStyle = dom.computedStyle(this.element);
        for (var prop in this.$fontStyles)
            style[prop] = computedStyle[prop];

        var size = {
            height: this.$measureNode.offsetHeight,
            width: this.$measureNode.offsetWidth / (n * 2)
        };

        // Size and width can be null if the editor is not visible or
        // detached from the document
        if (size.width == 0 || size.height == 0)
            return null;

        return size;
    } 
    : function() {
        if (!this.$measureNode) {
            var measureNode = this.$measureNode = dom.createElement("div");
            var style = measureNode.style;

            style.width = style.height = "auto";
            style.left = style.top = -100 + "px";

            style.visibility = "hidden";
            style.position = "fixed";
            style.overflow = "visible";
            style.whiteSpace = "nowrap";

            measureNode.innerHTML = "X";

            var container = this.element.parentNode;
            while (container && !dom.hasCssClass(container, "ace_editor"))
                container = container.parentNode;

            if (!container)
                return this.$measureNode = null;

            container.appendChild(measureNode);
        }
        
        var rect = this.$measureNode.getBoundingClientRect();

        var size = {
            height: rect.height,
            width: rect.width
        };

        // Size and width can be null if the editor is not visible or
        // detached from the document
        if (size.width == 0 || size.height == 0)
            return null;

        return size;
    };

    this.setSession = function(session) {
        this.session = session;
    };

    this.showInvisibles = false;
    this.setShowInvisibles = function(showInvisibles) {
        if (this.showInvisibles == showInvisibles)
            return false;

        this.showInvisibles = showInvisibles;
        return true;
    };

    this.$tabStrings = [];
    this.$computeTabString = function() {
        var tabSize = this.session.getTabSize();
        var tabStr = this.$tabStrings = [0];
        for (var i = 1; i < tabSize + 1; i++) {
            if (this.showInvisibles) {
                tabStr.push("<span class='ace_invisible'>"
                    + this.TAB_CHAR
                    + new Array(i).join("&#160;")
                    + "</span>");
            } else {
                tabStr.push(new Array(i+1).join("&#160;"));
            }
        }

    };

    this.updateLines = function(config, firstRow, lastRow) {
        this.$computeTabString();
        // Due to wrap line changes there can be new lines if e.g.
        // the line to updated wrapped in the meantime.
        if (this.config.lastRow != config.lastRow ||
            this.config.firstRow != config.firstRow) {
            this.scrollLines(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 ++;
        }

        for (var i=first; i<=last; i++) {
            var lineElement = lineElements[lineElementsIdx++];
            if (!lineElement)
                continue;

            var html = [];
            var tokens = this.session.getTokens(i);
            this.$renderLine(html, i, tokens, !this.$useLineGroups());
            lineElement = dom.setInnerHtml(lineElement, html.join(""));

            i = this.session.getRowFoldEnd(i);
        }
    };

    this.scrollLines = function(config) {
        this.$computeTabString();
        var oldConfig = this.config;
        this.config = config;

        if (!oldConfig || oldConfig.lastRow < config.firstRow)
            return this.update(config);

        if (config.lastRow < oldConfig.firstRow)
            return this.update(config);

        var el = this.element;
        if (oldConfig.firstRow < config.firstRow)
            for (var row=this.session.getFoldedRowCount(oldConfig.firstRow, config.firstRow - 1); row>0; row--)
                el.removeChild(el.firstChild);

        if (oldConfig.lastRow > config.lastRow)
            for (var row=this.session.getFoldedRowCount(config.lastRow + 1, oldConfig.lastRow); row>0; row--)
                el.removeChild(el.lastChild);

        if (config.firstRow < oldConfig.firstRow) {
            var fragment = this.$renderLinesFragment(config, config.firstRow, oldConfig.firstRow - 1);
            if (el.firstChild)
                el.insertBefore(fragment, el.firstChild);
            else
                el.appendChild(fragment);
        }

        if (config.lastRow > oldConfig.lastRow) {
            var fragment = this.$renderLinesFragment(config, oldConfig.lastRow + 1, config.lastRow);
            el.appendChild(fragment);
        }
    };

    this.$renderLinesFragment = function(config, firstRow, lastRow) {
        var fragment = this.element.ownerDocument.createDocumentFragment();
        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 container = dom.createElement("div");

            var html = [];
            // Get the tokens per line as there might be some lines in between
            // beeing folded.
            var tokens = this.session.getTokens(row);
            this.$renderLine(html, row, tokens, false);

            // don't use setInnerHtml since we are working with an empty DIV
            container.innerHTML = html.join("");
            if (this.$useLineGroups()) {
                container.className = 'ace_line_group';
                fragment.appendChild(container);
            } else {
                var lines = container.childNodes
                while(lines.length)
                    fragment.appendChild(lines[0]);
            }

            row++;
        }
        return fragment;
    };

    this.update = function(config) {
        this.$computeTabString();
        this.config = config;

        var html = [];
        var firstRow = config.firstRow, lastRow = config.lastRow;

        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;

            if (this.$useLineGroups())
                html.push("<div class='ace_line_group'>")

            // Get the tokens per line as there might be some lines in between
            // beeing folded.
            var tokens = this.session.getTokens(row);
            this.$renderLine(html, row, tokens, false);

            if (this.$useLineGroups())
                html.push("</div>"); // end the line group

            row++;
        }
        this.element = dom.setInnerHtml(this.element, html.join(""));
    };

    this.$textToken = {
        "text": true,
        "rparen": true,
        "lparen": true
    };

    this.$renderToken = function(stringBuilder, screenColumn, token, value) {        
        var self = this;
        var replaceReg = /\t|&|<|( +)|([\u0000-\u0019\u00a0\u1680\u180E\u2000-\u200b\u2028\u2029\u202F\u205F\u3000\uFEFF])|[\u1100-\u115F\u11A3-\u11A7\u11FA-\u11FF\u2329-\u232A\u2E80-\u2E99\u2E9B-\u2EF3\u2F00-\u2FD5\u2FF0-\u2FFB\u3000-\u303E\u3041-\u3096\u3099-\u30FF\u3105-\u312D\u3131-\u318E\u3190-\u31BA\u31C0-\u31E3\u31F0-\u321E\u3220-\u3247\u3250-\u32FE\u3300-\u4DBF\u4E00-\uA48C\uA490-\uA4C6\uA960-\uA97C\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFAFF\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE66\uFE68-\uFE6B\uFF01-\uFF60\uFFE0-\uFFE6]/g;
        var replaceFunc = function(c, a, b, tabIdx, idx4) {
            if (a) {
                return new Array(c.length+1).join("&#160;");
            } else if (c == "&") {
                return "&#38;";
            } else if (c == "<") {
                return "&#60;";
            } else if (c == "\t") {
                var tabSize = self.session.getScreenTabSize(screenColumn + tabIdx);
                screenColumn += tabSize - 1;
                return self.$tabStrings[tabSize];
            } else if (c == "\u3000") {
                // U+3000 is both invisible AND full-width, so must be handled uniquely
                var classToUse = self.showInvisibles ? "ace_cjk ace_invisible" : "ace_cjk";
                var space = self.showInvisibles ? self.SPACE_CHAR : "";
                screenColumn += 1;
                return "<span class='" + classToUse + "' style='width:" +
                    (self.config.characterWidth * 2) +
                    "px'>" + space + "</span>";
            } else if (b) {
                return "<span class='ace_invisible ace_invalid'>" + self.SPACE_CHAR + "</span>";
            } else {
                screenColumn += 1;
                return "<span class='ace_cjk' style='width:" +
                    (self.config.characterWidth * 2) +
                    "px'>" + c + "</span>";
            }
        };

        var output = value.replace(replaceReg, replaceFunc);

        if (!this.$textToken[token.type]) {
            var classes = "ace_" + token.type.replace(/\./g, " ace_");
            var style = "";
            if (token.type == "fold")
                style = " style='width:" + (token.value.length * this.config.characterWidth) + "px;' ";
            stringBuilder.push("<span class='", classes, "'", style, ">", output, "</span>");
        }
        else {
            stringBuilder.push(output);
        }
        return screenColumn + value.length;
    };

    this.$renderLineCore = function(stringBuilder, lastRow, tokens, splits, onlyContents) {
        var chars = 0;
        var split = 0;
        var splitChars;
        var screenColumn = 0;
        var self = this;

        if (!splits || splits.length == 0)
            splitChars = Number.MAX_VALUE;
        else
            splitChars = splits[0];

        if (!onlyContents) {
            stringBuilder.push("<div class='ace_line' style='height:",
                this.config.lineHeight, "px",
                "'>"
            );
        }
        
        for (var i = 0; i < tokens.length; i++) {
            var token = tokens[i];
            var value = token.value;

            if (chars + value.length < splitChars) {
                screenColumn = self.$renderToken(
                    stringBuilder, screenColumn, token, value
                );
                chars += value.length;
            }
            else {
                while (chars + value.length >= splitChars) {
                    screenColumn = self.$renderToken(
                        stringBuilder, screenColumn, 
                        token, value.substring(0, splitChars - chars)
                    );
                    value = value.substring(splitChars - chars);
                    chars = splitChars;
                    
                    if (!onlyContents) {
                        stringBuilder.push("</div>",
                            "<div class='ace_line' style='height:",
                            this.config.lineHeight, "px",
                            "'>"
                        );
                    }

                    split ++;
                    screenColumn = 0;
                    splitChars = splits[split] || Number.MAX_VALUE;
                }
                if (value.length != 0) {
                    chars += value.length;
                    screenColumn = self.$renderToken(
                        stringBuilder, screenColumn, token, value
                    );
                }
            }
        }

        if (this.showInvisibles) {
            if (lastRow !== this.session.getLength() - 1)
                stringBuilder.push("<span class='ace_invisible'>" + this.EOL_CHAR + "</span>");
            else
                stringBuilder.push("<span class='ace_invisible'>" + this.EOF_CHAR + "</span>");
        }
        if (!onlyContents)
            stringBuilder.push("</div>");
    };

    this.$renderLine = function(stringBuilder, row, tokens, onlyContents) {
        // Check if the line to render is folded or not. If not, things are
        // simple, otherwise, we need to fake some things...
        if (!this.session.isRowFolded(row)) {
            var splits = this.session.getRowSplitData(row);
            this.$renderLineCore(stringBuilder, row, tokens, splits, onlyContents);
        } else {
            this.$renderFoldLine(stringBuilder, row, tokens, onlyContents);
        }
    };

    this.$renderFoldLine = function(stringBuilder, row, tokens, onlyContents) {
        var session = this.session,
            foldLine = session.getFoldLine(row),
            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);
                // Check if the token value is longer then the from...to spacing.
                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) {
                var value = tokens[idx].value;
                if (value.length + col > to) {
                    value = value.substring(0, to - col);
                }
                renderTokens.push({
                    type: tokens[idx].type,
                    value: value
                });
                col += value.length;
                idx += 1;
            }
        }

        foldLine.walk(function(placeholder, row, column, lastColumn, isNewRow) {
            if (placeholder) {
               renderTokens.push({
                    type: "fold",
                    value: placeholder
                });
            } else {
                if (isNewRow)
                   tokens = this.session.getTokens(row);

                if (tokens.length)
                    addTokens(tokens, lastColumn, column);
            }
        }.bind(this), foldLine.end.row, this.session.getLine(foldLine.end.row).length);

        // TODO: Build a fake splits array!
        var splits = this.session.$useWrapMode?this.session.$wrapData[row]:null;
        this.$renderLineCore(stringBuilder, row, renderTokens, splits, onlyContents);
    };
    
    this.$useLineGroups = function() {
        // For the updateLines function to work correctly, it's important that the
        // child nodes of this.element correspond on a 1-to-1 basis to rows in the 
        // document (as distinct from lines on the screen). For sessions that are
        // wrapped, this means we need to add a layer to the node hierarchy (tagged
        // with the class name ace_line_group).
        return this.session.getUseWrapMode();
    };

    this.destroy = function() {
        clearInterval(this.$pollSizeChangesTimer);
        if (this.$measureNode)
            this.$measureNode.parentNode.removeChild(this.$measureNode);
        delete this.$measureNode;
    };

}).call(Text.prototype);

exports.Text = Text;

});

ace.define('ace/layer/cursor', ['require', 'exports', 'module' , 'ace/lib/dom'], function(require, exports, module) {


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.cursors = [];
    this.cursor = this.addCursor();
};

(function() {

    this.$padding = 0;
    this.setPadding = function(padding) {
        this.$padding = padding;
    };

    this.setSession = function(session) {
        this.session = session;
    };

    this.addCursor = function() {
        var el = dom.createElement("div");
        var className = "ace_cursor";
        if (!this.isVisible)
            className += " ace_hidden";
        if (this.overwrite)
            className += " ace_overwrite";

        el.className = className;
        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;
        for (var i = this.cursors.length; i--; )
            dom.addCssClass(this.cursors[i], "ace_hidden");
        clearInterval(this.blinkId);
    };

    this.showCursor = function() {
        this.isVisible = true;
        for (var i = this.cursors.length; i--; )
            dom.removeCssClass(this.cursors[i], "ace_hidden");

        this.element.style.visibility = "";
        this.restartTimer();
    };

    this.restartTimer = function() {
        clearInterval(this.blinkId);
        if (!this.isVisible)
            return;

        var element = this.cursors.length == 1 ? this.cursor : this.element;
        this.blinkId = setInterval(function() {
            element.style.visibility = "hidden";
            setTimeout(function() {
                element.style.visibility = "";
            }, 400);
        }, 1000);
    };

    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 = Math.round(this.$padding +
                                    pos.column * this.config.characterWidth);
        var cursorTop = (pos.row - (onScreen ? this.config.firstRowScreen : 0)) *
            this.config.lineHeight;

        return {
            left : cursorLeft,
            top : cursorTop
        };
    };

    this.update = function(config) {
        this.config = config;

        if (this.session.selectionMarkerCount > 0) {
            var selections = this.session.$selectionMarkers;
            var i = 0, sel, cursorIndex = 0;

            for (var i = selections.length; i--; ) {
                sel = selections[i];
                var pixelPos = this.getPixelPosition(sel.cursor, true);

                var style = (this.cursors[cursorIndex++] || this.addCursor()).style;

                style.left = pixelPos.left + "px";
                style.top = pixelPos.top + "px";
                style.width = config.characterWidth + "px";
                style.height = config.lineHeight + "px";
            }
            if (cursorIndex > 1)
                while (this.cursors.length > cursorIndex)
                    this.removeCursor();
        } else {
            var pixelPos = this.getPixelPosition(null, true);
            var style = this.cursor.style;
            style.left = pixelPos.left + "px";
            style.top = pixelPos.top + "px";
            style.width = config.characterWidth + "px";
            style.height = config.lineHeight + "px";

            while (this.cursors.length > 1)
                this.removeCursor();
        }

        var overwrite = this.session.getOverwrite();
        if (overwrite != this.overwrite)
            this.$setOverite(overwrite);

        // cache for textarea and gutter highlight
        this.$pixelPos = pixelPos;

        this.restartTimer();
    };

    this.$setOverite = function(overwrite) {
        this.overwrite = overwrite;
        for (var i = this.cursors.length; i--; ) {
            if (overwrite)
                dom.addCssClass(this.cursors[i], "ace_overwrite");
            else
                dom.removeCssClass(this.cursors[i], "ace_overwrite");
        }
    };

    this.destroy = function() {
        clearInterval(this.blinkId);
    }

}).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) {


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

/**
 * new ScrollBar(parent)
 * - parent (DOMElement): A DOM element 
 *
 * Creates a new `ScrollBar`. `parent` is the owner of the scroll bar.
 *
 **/
var ScrollBar = function(parent) {
    this.element = dom.createElement("div");
    this.element.className = "ace_sb";

    this.inner = dom.createElement("div");
    this.element.appendChild(this.inner);

    parent.appendChild(this.element);

    // in OSX lion the scrollbars appear to have no width. In this case resize
    // the to show the scrollbar but still pretend that the scrollbar has a width
    // of 0px
    // in Firefox 6+ scrollbar is hidden if element has the same width as scrollbar
    // make element a little bit wider to retain scrollbar when page is zoomed 
    this.width = dom.scrollbarWidth(parent.ownerDocument);
    this.element.style.width = (this.width || 15) + 5 + "px";

    event.addListener(this.element, "scroll", this.onScroll.bind(this));
};

(function() {
    oop.implement(this, EventEmitter);
    this.onScroll = function() {
        this._emit("scroll", {data: this.element.scrollTop});
    };
    this.getWidth = function() {
        return this.width;
    };
    this.setHeight = function(height) {
        this.element.style.height = height + "px";
    };
    this.setInnerHeight = function(height) {
        this.inner.style.height = height + "px";
    };
    // TODO: on chrome 17+ after for small zoom levels after this function
    // this.element.scrollTop != scrollTop which makes page to scroll up.
    this.setScrollTop = function(scrollTop) {
        this.element.scrollTop = scrollTop;
    };

}).call(ScrollBar.prototype);

exports.ScrollBar = ScrollBar;
});

ace.define('ace/renderloop', ['require', 'exports', 'module' , 'ace/lib/event'], function(require, exports, module) {


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

/** internal, hide
 * new RenderLoop(onRender, win)
 *
 * 
 *
**/
var RenderLoop = function(onRender, win) {
    this.onRender = onRender;
    this.pending = false;
    this.changes = 0;
    this.window = win || window;
};

(function() {

    /** internal, hide
     * RenderLoop.schedule(change)
     * - change (Array):
     * 
     * 
     **/
    this.schedule = function(change) {
        //this.onRender(change);
        //return;
        this.changes = this.changes | change;
        if (!this.pending) {
            this.pending = true;
            var _self = this;
            event.nextTick(function() {
                _self.pending = false;
                var changes;
                while (changes = _self.changes) {
                    _self.changes = 0;
                    _self.onRender(changes);
                }
            }, this.window);
        }
    };

}).call(RenderLoop.prototype);

exports.RenderLoop = RenderLoop;
});
ace.define("text!ace/css/editor.css", [], ".ace_editor {\n" +
  "    position: absolute;\n" +
  "    overflow: hidden;\n" +
  "    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Droid Sans Mono', 'Consolas', monospace;\n" +
  "    font-size: 12px;\n" +
  "}\n" +
  "\n" +
  ".ace_scroller {\n" +
  "    position: absolute;\n" +
  "    overflow: hidden;\n" +
  "}\n" +
  "\n" +
  ".ace_content {\n" +
  "    position: absolute;\n" +
  "    box-sizing: border-box;\n" +
  "    -moz-box-sizing: border-box;\n" +
  "    -webkit-box-sizing: border-box;\n" +
  "    cursor: text;\n" +
  "}\n" +
  "\n" +
  ".ace_gutter {\n" +
  "    position: absolute;\n" +
  "    overflow : hidden;\n" +
  "    height: 100%;\n" +
  "    width: auto;\n" +
  "    cursor: default;\n" +
  "    z-index: 4;\n" +
  "}\n" +
  "\n" +
  ".ace_scroller.horscroll {\n" +
  "    box-shadow: 17px 0 16px -16px rgba(0, 0, 0, 0.4) inset;\n" +
  "}\n" +
  "\n" +
  ".ace_gutter-cell {\n" +
  "    padding-left: 19px;\n" +
  "    padding-right: 6px;\n" +
  "}\n" +
  "\n" +
  ".ace_gutter-cell.ace_error {\n" +
  "    background-image: url(\"data:image/png;base64,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\");\n" +
  "    background-repeat: no-repeat;\n" +
  "    background-position: 2px center;\n" +
  "}\n" +
  "\n" +
  ".ace_gutter-cell.ace_warning {\n" +
  "    background-image: url(\"data:image/png;base64,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\");\n" +
  "    background-repeat: no-repeat;\n" +
  "    background-position: 2px center;\n" +
  "}\n" +
  "\n" +
  ".ace_gutter-cell.ace_info {\n" +
  "    background-image: url(\"data:image/gif;base64,R0lGODlhEAAQAMQAAAAAAEFBQVJSUl5eXmRkZGtra39/f4WFhYmJiZGRkaampry8vMPDw8zMzNXV1dzc3OTk5Orq6vDw8P///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH5BAkAABQALAAAAAAQABAAAAUuICWOZGmeaBml5XGwFCQSBGyXRSAwtqQIiRuiwIM5BoYVbEFIyGCQoeJGrVptIQA7\");\n" +
  "    background-repeat: no-repeat;\n" +
  "    background-position: 2px center;\n" +
  "}\n" +
  "\n" +
  ".ace_editor .ace_sb {\n" +
  "    position: absolute;\n" +
  "    overflow-x: hidden;\n" +
  "    overflow-y: scroll;\n" +
  "    right: 0;\n" +
  "}\n" +
  "\n" +
  ".ace_editor .ace_sb div {\n" +
  "    position: absolute;\n" +
  "    width: 1px;\n" +
  "    left: 0;\n" +
  "}\n" +
  "\n" +
  ".ace_editor .ace_print_margin_layer {\n" +
  "    z-index: 0;\n" +
  "    position: absolute;\n" +
  "    overflow: hidden;\n" +
  "    margin: 0;\n" +
  "    left: 0;\n" +
  "    height: 100%;\n" +
  "    width: 100%;\n" +
  "}\n" +
  "\n" +
  ".ace_editor .ace_print_margin {\n" +
  "    position: absolute;\n" +
  "    height: 100%;\n" +
  "}\n" +
  "\n" +
  ".ace_editor > textarea {\n" +
  "    position: absolute;\n" +
  "    z-index: 0;\n" +
  "    width: 0.5em;\n" +
  "    height: 1em;\n" +
  "    opacity: 0;\n" +
  "    background: transparent;\n" +
  "    appearance: none;\n" +
  "    -moz-appearance: none;\n" +
  "    border: none;\n" +
  "    resize: none;\n" +
  "    outline: none;\n" +
  "    overflow: hidden;\n" +
  "}\n" +
  "\n" +
  ".ace_editor > textarea.ace_composition {\n" +
  "    background: #fff;\n" +
  "    color: #000;\n" +
  "    z-index: 1000;\n" +
  "    opacity: 1;\n" +
  "    border: solid lightgray 1px;\n" +
  "    margin: -1px\n" +
  "}\n" +
  "\n" +
  ".ace_layer {\n" +
  "    z-index: 1;\n" +
  "    position: absolute;\n" +
  "    overflow: hidden;\n" +
  "    white-space: nowrap;\n" +
  "    height: 100%;\n" +
  "    width: 100%;\n" +
  "    box-sizing: border-box;\n" +
  "    -moz-box-sizing: border-box;\n" +
  "    -webkit-box-sizing: border-box;\n" +
  "    /* setting pointer-events: auto; on node under the mouse, which changes\n" +
  "        during scroll, will break mouse wheel scrolling in Safari */\n" +
  "    pointer-events: none;\n" +
  "}\n" +
  "\n" +
  ".ace_gutter .ace_layer {\n" +
  "    position: relative;\n" +
  "    min-width: 40px;\n" +
  "    width: auto;\n" +
  "    text-align: right;\n" +
  "    pointer-events: auto;\n" +
  "}\n" +
  "\n" +
  ".ace_text-layer {\n" +
  "    color: black;\n" +
  "    font: inherit !important;\n" +
  "}\n" +
  "\n" +
  ".ace_cjk {\n" +
  "    display: inline-block;\n" +
  "    text-align: center;\n" +
  "}\n" +
  "\n" +
  ".ace_cursor-layer {\n" +
  "    z-index: 4;\n" +
  "}\n" +
  "\n" +
  ".ace_cursor {\n" +
  "    z-index: 4;\n" +
  "    position: absolute;\n" +
  "}\n" +
  "\n" +
  ".ace_cursor.ace_hidden {\n" +
  "    opacity: 0.2;\n" +
  "}\n" +
  "\n" +
  ".ace_editor.multiselect .ace_cursor {\n" +
  "    border-left-width: 1px;\n" +
  "}\n" +
  "\n" +
  ".ace_line {\n" +
  "    white-space: nowrap;\n" +
  "}\n" +
  "\n" +
  ".ace_marker-layer .ace_step {\n" +
  "    position: absolute;\n" +
  "    z-index: 3;\n" +
  "}\n" +
  "\n" +
  ".ace_marker-layer .ace_selection {\n" +
  "    position: absolute;\n" +
  "    z-index: 5;\n" +
  "}\n" +
  "\n" +
  ".ace_marker-layer .ace_bracket {\n" +
  "    position: absolute;\n" +
  "    z-index: 6;\n" +
  "}\n" +
  "\n" +
  ".ace_marker-layer .ace_active_line {\n" +
  "    position: absolute;\n" +
  "    z-index: 2;\n" +
  "}\n" +
  "\n" +
  ".ace_marker-layer .ace_selected_word {\n" +
  "    position: absolute;\n" +
  "    z-index: 4;\n" +
  "    box-sizing: border-box;\n" +
  "    -moz-box-sizing: border-box;\n" +
  "    -webkit-box-sizing: border-box;\n" +
  "}\n" +
  "\n" +
  ".ace_line .ace_fold {\n" +
  "    box-sizing: border-box;\n" +
  "    -moz-box-sizing: border-box;\n" +
  "    -webkit-box-sizing: border-box;\n" +
  "\n" +
  "    display: inline-block;\n" +
  "    height: 11px;\n" +
  "    margin-top: -2px;\n" +
  "    vertical-align: middle;\n" +
  "\n" +
  "    background-image:\n" +
  "        url(\"data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%11%00%00%00%09%08%06%00%00%00%D4%E8%C7%0C%00%00%03%1EiCCPICC%20Profile%00%00x%01%85T%DFk%D3P%14%FE%DAe%9D%B0%E1%8B%3Ag%11%09%3Eh%91ndStC%9C%B6kW%BA%CDZ%EA6%B7!H%9B%A6m%5C%9A%C6%24%ED~%B0%07%D9%8Bo%3A%C5w%F1%07%3E%F9%07%0C%D9%83o%7B%92%0D%C6%14a%F8%AC%88%22L%F6%22%B3%9E%9B4M'S%03%B9%F7%BB%DF%F9%EE9'%E7%E4%5E%A0%F9qZ%D3%14%2F%0F%14USO%C5%C2%FC%C4%E4%14%DF%F2%01%5E%1CC%2B%FChM%8B%86%16J%26G%40%0F%D3%B2y%EF%B3%F3%0E%1E%C6lt%EEo%DF%AB%FEc%D5%9A%95%0C%11%F0%1C%20%BE%945%C4%22%E1Y%A0i%5C%D4t%13%E0%D6%89%EF%9D15%C2%CDLsX%A7%04%09%1Fg8oc%81%E1%8C%8D%23%96f45%40%9A%09%C2%07%C5B%3AK%B8%408%98i%E0%F3%0D%D8%CE%81%14%E4'%26%A9%92.%8B%3C%ABER%2F%E5dE%B2%0C%F6%F0%1Fs%83%F2_%B0%A8%94%E9%9B%AD%E7%10%8Dm%9A%19N%D1%7C%8A%DE%1F9%7Dp%8C%E6%00%D5%C1%3F_%18%BDA%B8%9DpX6%E3%A35~B%CD%24%AE%11%26%BD%E7%EEti%98%EDe%9A%97Y)%12%25%1C%24%BCbT%AE3li%E6%0B%03%89%9A%E6%D3%ED%F4P%92%B0%9F4%BF43Y%F3%E3%EDP%95%04%EB1%C5%F5%F6KF%F4%BA%BD%D7%DB%91%93%07%E35%3E%A7)%D6%7F%40%FE%BD%F7%F5r%8A%E5y%92%F0%EB%B4%1E%8D%D5%F4%5B%92%3AV%DB%DB%E4%CD%A6%23%C3%C4wQ%3F%03HB%82%8E%1Cd(%E0%91B%0Ca%9Ac%C4%AA%F8L%16%19%22J%A4%D2itTy%B28%D6%3B(%93%96%ED%1CGx%C9_%0E%B8%5E%16%F5%5B%B2%B8%F6%E0%FB%9E%DD%25%D7%8E%BC%15%85%C5%B7%A3%D8Q%ED%B5%81%E9%BA%B2%13%9A%1B%7Fua%A5%A3n%E17%B9%E5%9B%1Bm%AB%0B%08Q%FE%8A%E5%B1H%5Ee%CAO%82Q%D7u6%E6%90S%97%FCu%0B%CF2%94%EE%25v%12X%0C%BA%AC%F0%5E%F8*l%0AO%85%17%C2%97%BF%D4%C8%CE%DE%AD%11%CB%80q%2C%3E%AB%9ES%CD%C6%EC%25%D2L%D2%EBd%B8%BF%8A%F5B%C6%18%F9%901CZ%9D%BE%24M%9C%8A9%F2%DAP%0B'%06w%82%EB%E6%E2%5C%2F%D7%07%9E%BB%CC%5D%E1%FA%B9%08%AD.r%23%8E%C2%17%F5E%7C!%F0%BE3%BE%3E_%B7o%88a%A7%DB%BE%D3d%EB%A31Z%EB%BB%D3%91%BA%A2%B1z%94%8F%DB'%F6%3D%8E%AA%13%19%B2%B1%BE%B1~V%08%2B%B4%A2cjJ%B3tO%00%03%25mN%97%F3%05%93%EF%11%84%0B%7C%88%AE-%89%8F%ABbW%90O%2B%0Ao%99%0C%5E%97%0CI%AFH%D9.%B0%3B%8F%ED%03%B6S%D6%5D%E6i_s9%F3*p%E9%1B%FD%C3%EB.7U%06%5E%19%C0%D1s.%17%A03u%E4%09%B0%7C%5E%2C%EB%15%DB%1F%3C%9E%B7%80%91%3B%DBc%AD%3Dma%BA%8B%3EV%AB%DBt.%5B%1E%01%BB%0F%AB%D5%9F%CF%AA%D5%DD%E7%E4%7F%0Bx%A3%FC%06%A9%23%0A%D6%C2%A1_2%00%00%00%09pHYs%00%00%0B%13%00%00%0B%13%01%00%9A%9C%18%00%00%00%B5IDAT(%15%A5%91%3D%0E%02!%10%85ac%E1%05%D6%CE%D6%C6%CE%D2%E8%ED%CD%DE%C0%C6%D6N.%E0V%F8%3D%9Ca%891XH%C2%BE%D9y%3F%90!%E6%9C%C3%BFk%E5%011%C6-%F5%C8N%04%DF%BD%FF%89%DFt%83DN%60%3E%F3%AB%A0%DE%1A%5Dg%BE%10Q%97%1B%40%9C%A8o%10%8F%5E%828%B4%1B%60%87%F6%02%26%85%1Ch%1E%C1%2B%5Bk%FF%86%EE%B7j%09%9A%DA%9B%ACe%A3%F9%EC%DA!9%B4%D5%A6%81%86%86%98%CC%3C%5B%40%FA%81%B3%E9%CB%23%94%C16Azo%05%D4%E1%C1%95a%3B%8A'%A0%E8%CC%17%22%85%1D%BA%00%A2%FA%DC%0A%94%D1%D1%8D%8B%3A%84%17B%C7%60%1A%25Z%FC%8D%00%00%00%00IEND%AEB%60%82\"),\n" +
  "        url(\"data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%05%00%00%007%08%06%00%00%00%C4%DD%80C%00%00%03%1EiCCPICC%20Profile%00%00x%01%85T%DFk%D3P%14%FE%DAe%9D%B0%E1%8B%3Ag%11%09%3Eh%91ndStC%9C%B6kW%BA%CDZ%EA6%B7!H%9B%A6m%5C%9A%C6%24%ED~%B0%07%D9%8Bo%3A%C5w%F1%07%3E%F9%07%0C%D9%83o%7B%92%0D%C6%14a%F8%AC%88%22L%F6%22%B3%9E%9B4M'S%03%B9%F7%BB%DF%F9%EE9'%E7%E4%5E%A0%F9qZ%D3%14%2F%0F%14USO%C5%C2%FC%C4%E4%14%DF%F2%01%5E%1CC%2B%FChM%8B%86%16J%26G%40%0F%D3%B2y%EF%B3%F3%0E%1E%C6lt%EEo%DF%AB%FEc%D5%9A%95%0C%11%F0%1C%20%BE%945%C4%22%E1Y%A0i%5C%D4t%13%E0%D6%89%EF%9D15%C2%CDLsX%A7%04%09%1Fg8oc%81%E1%8C%8D%23%96f45%40%9A%09%C2%07%C5B%3AK%B8%408%98i%E0%F3%0D%D8%CE%81%14%E4'%26%A9%92.%8B%3C%ABER%2F%E5dE%B2%0C%F6%F0%1Fs%83%F2_%B0%A8%94%E9%9B%AD%E7%10%8Dm%9A%19N%D1%7C%8A%DE%1F9%7Dp%8C%E6%00%D5%C1%3F_%18%BDA%B8%9DpX6%E3%A35~B%CD%24%AE%11%26%BD%E7%EEti%98%EDe%9A%97Y)%12%25%1C%24%BCbT%AE3li%E6%0B%03%89%9A%E6%D3%ED%F4P%92%B0%9F4%BF43Y%F3%E3%EDP%95%04%EB1%C5%F5%F6KF%F4%BA%BD%D7%DB%91%93%07%E35%3E%A7)%D6%7F%40%FE%BD%F7%F5r%8A%E5y%92%F0%EB%B4%1E%8D%D5%F4%5B%92%3AV%DB%DB%E4%CD%A6%23%C3%C4wQ%3F%03HB%82%8E%1Cd(%E0%91B%0Ca%9Ac%C4%AA%F8L%16%19%22J%A4%D2itTy%B28%D6%3B(%93%96%ED%1CGx%C9_%0E%B8%5E%16%F5%5B%B2%B8%F6%E0%FB%9E%DD%25%D7%8E%BC%15%85%C5%B7%A3%D8Q%ED%B5%81%E9%BA%B2%13%9A%1B%7Fua%A5%A3n%E17%B9%E5%9B%1Bm%AB%0B%08Q%FE%8A%E5%B1H%5Ee%CAO%82Q%D7u6%E6%90S%97%FCu%0B%CF2%94%EE%25v%12X%0C%BA%AC%F0%5E%F8*l%0AO%85%17%C2%97%BF%D4%C8%CE%DE%AD%11%CB%80q%2C%3E%AB%9ES%CD%C6%EC%25%D2L%D2%EBd%B8%BF%8A%F5B%C6%18%F9%901CZ%9D%BE%24M%9C%8A9%F2%DAP%0B'%06w%82%EB%E6%E2%5C%2F%D7%07%9E%BB%CC%5D%E1%FA%B9%08%AD.r%23%8E%C2%17%F5E%7C!%F0%BE3%BE%3E_%B7o%88a%A7%DB%BE%D3d%EB%A31Z%EB%BB%D3%91%BA%A2%B1z%94%8F%DB'%F6%3D%8E%AA%13%19%B2%B1%BE%B1~V%08%2B%B4%A2cjJ%B3tO%00%03%25mN%97%F3%05%93%EF%11%84%0B%7C%88%AE-%89%8F%ABbW%90O%2B%0Ao%99%0C%5E%97%0CI%AFH%D9.%B0%3B%8F%ED%03%B6S%D6%5D%E6i_s9%F3*p%E9%1B%FD%C3%EB.7U%06%5E%19%C0%D1s.%17%A03u%E4%09%B0%7C%5E%2C%EB%15%DB%1F%3C%9E%B7%80%91%3B%DBc%AD%3Dma%BA%8B%3EV%AB%DBt.%5B%1E%01%BB%0F%AB%D5%9F%CF%AA%D5%DD%E7%E4%7F%0Bx%A3%FC%06%A9%23%0A%D6%C2%A1_2%00%00%00%09pHYs%00%00%0B%13%00%00%0B%13%01%00%9A%9C%18%00%00%00%3AIDAT8%11c%FC%FF%FF%7F%18%03%1A%60%01%F2%3F%A0%891%80%04%FF%11-%F8%17%9BJ%E2%05%B1ZD%81v%26t%E7%80%F8%A3%82h%A12%1A%20%A3%01%02%0F%01%BA%25%06%00%19%C0%0D%AEF%D5%3ES%00%00%00%00IEND%AEB%60%82\");\n" +
  "    background-repeat: no-repeat, repeat-x;\n" +
  "    background-position: center center, top left;\n" +
  "    color: transparent;\n" +
  "\n" +
  "    border: 1px solid black;\n" +
  "    -moz-border-radius: 2px;\n" +
  "    -webkit-border-radius: 2px;\n" +
  "    border-radius: 2px;\n" +
  "\n" +
  "    cursor: pointer;\n" +
  "    pointer-events: auto;\n" +
  "}\n" +
  "\n" +
  ".ace_dark .ace_fold {\n" +
  "}\n" +
  "\n" +
  ".ace_fold:hover{\n" +
  "    background-image:\n" +
  "        url(\"data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%11%00%00%00%09%08%06%00%00%00%D4%E8%C7%0C%00%00%03%1EiCCPICC%20Profile%00%00x%01%85T%DFk%D3P%14%FE%DAe%9D%B0%E1%8B%3Ag%11%09%3Eh%91ndStC%9C%B6kW%BA%CDZ%EA6%B7!H%9B%A6m%5C%9A%C6%24%ED~%B0%07%D9%8Bo%3A%C5w%F1%07%3E%F9%07%0C%D9%83o%7B%92%0D%C6%14a%F8%AC%88%22L%F6%22%B3%9E%9B4M'S%03%B9%F7%BB%DF%F9%EE9'%E7%E4%5E%A0%F9qZ%D3%14%2F%0F%14USO%C5%C2%FC%C4%E4%14%DF%F2%01%5E%1CC%2B%FChM%8B%86%16J%26G%40%0F%D3%B2y%EF%B3%F3%0E%1E%C6lt%EEo%DF%AB%FEc%D5%9A%95%0C%11%F0%1C%20%BE%945%C4%22%E1Y%A0i%5C%D4t%13%E0%D6%89%EF%9D15%C2%CDLsX%A7%04%09%1Fg8oc%81%E1%8C%8D%23%96f45%40%9A%09%C2%07%C5B%3AK%B8%408%98i%E0%F3%0D%D8%CE%81%14%E4'%26%A9%92.%8B%3C%ABER%2F%E5dE%B2%0C%F6%F0%1Fs%83%F2_%B0%A8%94%E9%9B%AD%E7%10%8Dm%9A%19N%D1%7C%8A%DE%1F9%7Dp%8C%E6%00%D5%C1%3F_%18%BDA%B8%9DpX6%E3%A35~B%CD%24%AE%11%26%BD%E7%EEti%98%EDe%9A%97Y)%12%25%1C%24%BCbT%AE3li%E6%0B%03%89%9A%E6%D3%ED%F4P%92%B0%9F4%BF43Y%F3%E3%EDP%95%04%EB1%C5%F5%F6KF%F4%BA%BD%D7%DB%91%93%07%E35%3E%A7)%D6%7F%40%FE%BD%F7%F5r%8A%E5y%92%F0%EB%B4%1E%8D%D5%F4%5B%92%3AV%DB%DB%E4%CD%A6%23%C3%C4wQ%3F%03HB%82%8E%1Cd(%E0%91B%0Ca%9Ac%C4%AA%F8L%16%19%22J%A4%D2itTy%B28%D6%3B(%93%96%ED%1CGx%C9_%0E%B8%5E%16%F5%5B%B2%B8%F6%E0%FB%9E%DD%25%D7%8E%BC%15%85%C5%B7%A3%D8Q%ED%B5%81%E9%BA%B2%13%9A%1B%7Fua%A5%A3n%E17%B9%E5%9B%1Bm%AB%0B%08Q%FE%8A%E5%B1H%5Ee%CAO%82Q%D7u6%E6%90S%97%FCu%0B%CF2%94%EE%25v%12X%0C%BA%AC%F0%5E%F8*l%0AO%85%17%C2%97%BF%D4%C8%CE%DE%AD%11%CB%80q%2C%3E%AB%9ES%CD%C6%EC%25%D2L%D2%EBd%B8%BF%8A%F5B%C6%18%F9%901CZ%9D%BE%24M%9C%8A9%F2%DAP%0B'%06w%82%EB%E6%E2%5C%2F%D7%07%9E%BB%CC%5D%E1%FA%B9%08%AD.r%23%8E%C2%17%F5E%7C!%F0%BE3%BE%3E_%B7o%88a%A7%DB%BE%D3d%EB%A31Z%EB%BB%D3%91%BA%A2%B1z%94%8F%DB'%F6%3D%8E%AA%13%19%B2%B1%BE%B1~V%08%2B%B4%A2cjJ%B3tO%00%03%25mN%97%F3%05%93%EF%11%84%0B%7C%88%AE-%89%8F%ABbW%90O%2B%0Ao%99%0C%5E%97%0CI%AFH%D9.%B0%3B%8F%ED%03%B6S%D6%5D%E6i_s9%F3*p%E9%1B%FD%C3%EB.7U%06%5E%19%C0%D1s.%17%A03u%E4%09%B0%7C%5E%2C%EB%15%DB%1F%3C%9E%B7%80%91%3B%DBc%AD%3Dma%BA%8B%3EV%AB%DBt.%5B%1E%01%BB%0F%AB%D5%9F%CF%AA%D5%DD%E7%E4%7F%0Bx%A3%FC%06%A9%23%0A%D6%C2%A1_2%00%00%00%09pHYs%00%00%0B%13%00%00%0B%13%01%00%9A%9C%18%00%00%00%B5IDAT(%15%A5%91%3D%0E%02!%10%85ac%E1%05%D6%CE%D6%C6%CE%D2%E8%ED%CD%DE%C0%C6%D6N.%E0V%F8%3D%9Ca%891XH%C2%BE%D9y%3F%90!%E6%9C%C3%BFk%E5%011%C6-%F5%C8N%04%DF%BD%FF%89%DFt%83DN%60%3E%F3%AB%A0%DE%1A%5Dg%BE%10Q%97%1B%40%9C%A8o%10%8F%5E%828%B4%1B%60%87%F6%02%26%85%1Ch%1E%C1%2B%5Bk%FF%86%EE%B7j%09%9A%DA%9B%ACe%A3%F9%EC%DA!9%B4%D5%A6%81%86%86%98%CC%3C%5B%40%FA%81%B3%E9%CB%23%94%C16Azo%05%D4%E1%C1%95a%3B%8A'%A0%E8%CC%17%22%85%1D%BA%00%A2%FA%DC%0A%94%D1%D1%8D%8B%3A%84%17B%C7%60%1A%25Z%FC%8D%00%00%00%00IEND%AEB%60%82\"),\n" +
  "        url(\"data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%05%00%00%007%08%06%00%00%00%C4%DD%80C%00%00%03%1EiCCPICC%20Profile%00%00x%01%85T%DFk%D3P%14%FE%DAe%9D%B0%E1%8B%3Ag%11%09%3Eh%91ndStC%9C%B6kW%BA%CDZ%EA6%B7!H%9B%A6m%5C%9A%C6%24%ED~%B0%07%D9%8Bo%3A%C5w%F1%07%3E%F9%07%0C%D9%83o%7B%92%0D%C6%14a%F8%AC%88%22L%F6%22%B3%9E%9B4M'S%03%B9%F7%BB%DF%F9%EE9'%E7%E4%5E%A0%F9qZ%D3%14%2F%0F%14USO%C5%C2%FC%C4%E4%14%DF%F2%01%5E%1CC%2B%FChM%8B%86%16J%26G%40%0F%D3%B2y%EF%B3%F3%0E%1E%C6lt%EEo%DF%AB%FEc%D5%9A%95%0C%11%F0%1C%20%BE%945%C4%22%E1Y%A0i%5C%D4t%13%E0%D6%89%EF%9D15%C2%CDLsX%A7%04%09%1Fg8oc%81%E1%8C%8D%23%96f45%40%9A%09%C2%07%C5B%3AK%B8%408%98i%E0%F3%0D%D8%CE%81%14%E4'%26%A9%92.%8B%3C%ABER%2F%E5dE%B2%0C%F6%F0%1Fs%83%F2_%B0%A8%94%E9%9B%AD%E7%10%8Dm%9A%19N%D1%7C%8A%DE%1F9%7Dp%8C%E6%00%D5%C1%3F_%18%BDA%B8%9DpX6%E3%A35~B%CD%24%AE%11%26%BD%E7%EEti%98%EDe%9A%97Y)%12%25%1C%24%BCbT%AE3li%E6%0B%03%89%9A%E6%D3%ED%F4P%92%B0%9F4%BF43Y%F3%E3%EDP%95%04%EB1%C5%F5%F6KF%F4%BA%BD%D7%DB%91%93%07%E35%3E%A7)%D6%7F%40%FE%BD%F7%F5r%8A%E5y%92%F0%EB%B4%1E%8D%D5%F4%5B%92%3AV%DB%DB%E4%CD%A6%23%C3%C4wQ%3F%03HB%82%8E%1Cd(%E0%91B%0Ca%9Ac%C4%AA%F8L%16%19%22J%A4%D2itTy%B28%D6%3B(%93%96%ED%1CGx%C9_%0E%B8%5E%16%F5%5B%B2%B8%F6%E0%FB%9E%DD%25%D7%8E%BC%15%85%C5%B7%A3%D8Q%ED%B5%81%E9%BA%B2%13%9A%1B%7Fua%A5%A3n%E17%B9%E5%9B%1Bm%AB%0B%08Q%FE%8A%E5%B1H%5Ee%CAO%82Q%D7u6%E6%90S%97%FCu%0B%CF2%94%EE%25v%12X%0C%BA%AC%F0%5E%F8*l%0AO%85%17%C2%97%BF%D4%C8%CE%DE%AD%11%CB%80q%2C%3E%AB%9ES%CD%C6%EC%25%D2L%D2%EBd%B8%BF%8A%F5B%C6%18%F9%901CZ%9D%BE%24M%9C%8A9%F2%DAP%0B'%06w%82%EB%E6%E2%5C%2F%D7%07%9E%BB%CC%5D%E1%FA%B9%08%AD.r%23%8E%C2%17%F5E%7C!%F0%BE3%BE%3E_%B7o%88a%A7%DB%BE%D3d%EB%A31Z%EB%BB%D3%91%BA%A2%B1z%94%8F%DB'%F6%3D%8E%AA%13%19%B2%B1%BE%B1~V%08%2B%B4%A2cjJ%B3tO%00%03%25mN%97%F3%05%93%EF%11%84%0B%7C%88%AE-%89%8F%ABbW%90O%2B%0Ao%99%0C%5E%97%0CI%AFH%D9.%B0%3B%8F%ED%03%B6S%D6%5D%E6i_s9%F3*p%E9%1B%FD%C3%EB.7U%06%5E%19%C0%D1s.%17%A03u%E4%09%B0%7C%5E%2C%EB%15%DB%1F%3C%9E%B7%80%91%3B%DBc%AD%3Dma%BA%8B%3EV%AB%DBt.%5B%1E%01%BB%0F%AB%D5%9F%CF%AA%D5%DD%E7%E4%7F%0Bx%A3%FC%06%A9%23%0A%D6%C2%A1_2%00%00%00%09pHYs%00%00%0B%13%00%00%0B%13%01%00%9A%9C%18%00%00%003IDAT8%11c%FC%FF%FF%7F%3E%03%1A%60%01%F2%3F%A3%891%80%04%FFQ%26%F8w%C0%B43%A1%DB%0C%E2%8F%0A%A2%85%CAh%80%8C%06%08%3C%04%E8%96%18%00%A3S%0D%CD%CF%D8%C1%9D%00%00%00%00IEND%AEB%60%82\");\n" +
  "    background-repeat: no-repeat, repeat-x;\n" +
  "    background-position: center center, top left;\n" +
  "}\n" +
  "\n" +
  ".ace_dragging .ace_content {\n" +
  "    cursor: move;\n" +
  "}\n" +
  "\n" +
  ".ace_folding-enabled > .ace_gutter-cell {\n" +
  "    padding-right: 13px;\n" +
  "}\n" +
  "\n" +
  ".ace_fold-widget {\n" +
  "    box-sizing: border-box;\n" +
  "    -moz-box-sizing: border-box;\n" +
  "    -webkit-box-sizing: border-box;\n" +
  "\n" +
  "    margin: 0 -12px 1px 1px;\n" +
  "    display: inline-block;\n" +
  "    height: 14px;\n" +
  "    width: 11px;\n" +
  "    vertical-align: text-bottom;\n" +
  "\n" +
  "    background-image: url(\"data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%05%00%00%00%05%08%06%00%00%00%8Do%26%E5%00%00%004IDATx%DAe%8A%B1%0D%000%0C%C2%F2%2CK%96%BC%D0%8F9%81%88H%E9%D0%0E%96%C0%10%92%3E%02%80%5E%82%E4%A9*-%EEsw%C8%CC%11%EE%96w%D8%DC%E9*Eh%0C%151(%00%00%00%00IEND%AEB%60%82\");\n" +
  "    background-repeat: no-repeat;\n" +
  "    background-position: center 5px;\n" +
  "\n" +
  "    border-radius: 3px;\n" +
  "}\n" +
  "\n" +
  ".ace_fold-widget.end {\n" +
  "    background-image: url(\"data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%05%00%00%00%05%08%06%00%00%00%8Do%26%E5%00%00%004IDATx%DAm%C7%C1%09%000%08C%D1%8C%ECE%C8E(%8E%EC%02)%1EZJ%F1%C1'%04%07I%E1%E5%EE%CAL%F5%A2%99%99%22%E2%D6%1FU%B5%FE0%D9x%A7%26Wz5%0E%D5%00%00%00%00IEND%AEB%60%82\");\n" +
  "}\n" +
  "\n" +
  ".ace_fold-widget.closed {\n" +
  "    background-image: url(\"data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%03%00%00%00%06%08%06%00%00%00%06%E5%24%0C%00%00%009IDATx%DA5%CA%C1%09%000%08%03%C0%AC*(%3E%04%C1%0D%BA%B1%23%A4Uh%E0%20%81%C0%CC%F8%82%81%AA%A2%AArGfr%88%08%11%11%1C%DD%7D%E0%EE%5B%F6%F6%CB%B8%05Q%2F%E9tai%D9%00%00%00%00IEND%AEB%60%82\");\n" +
  "}\n" +
  "\n" +
  ".ace_fold-widget:hover {\n" +
  "    border: 1px solid rgba(0, 0, 0, 0.3);\n" +
  "    background-color: rgba(255, 255, 255, 0.2);\n" +
  "    -moz-box-shadow:inset 0 1px 1px rgba(255, 255, 255, 0.7);\n" +
  "    -moz-box-shadow: 0 1px 1px rgba(255, 255, 255, 0.7);\n" +
  "    -webkit-box-shadow:inset 0 1px 1px rgba(255, 255, 255, 0.7);\n" +
  "    -webkit-box-shadow: 0 1px 1px rgba(255, 255, 255, 0.7);\n" +
  "    box-shadow:inset 0 1px 1px rgba(255, 255, 255, 0.7);\n" +
  "    box-shadow: 0 1px 1px rgba(255, 255, 255, 0.7);\n" +
  "    background-position: center 4px;\n" +
  "}\n" +
  "\n" +
  ".ace_fold-widget:active {\n" +
  "    border: 1px solid rgba(0, 0, 0, 0.4);\n" +
  "    background-color: rgba(0, 0, 0, 0.05);\n" +
  "    -moz-box-shadow:inset 0 1px 1px rgba(255, 255, 255);\n" +
  "    -moz-box-shadow: 0 1px 1px rgba(255, 255, 255, 0.8);\n" +
  "    -webkit-box-shadow:inset 0 1px 1px rgba(255, 255, 255);\n" +
  "    -webkit-box-shadow: 0 1px 1px rgba(255, 255, 255, 0.8);\n" +
  "    box-shadow:inset 0 1px 1px rgba(255, 255, 255);\n" +
  "    box-shadow: 0 1px 1px rgba(255, 255, 255, 0.8);\n" +
  "}\n" +
  "\n" +
  ".ace_fold-widget.invalid {\n" +
  "    background-color: #FFB4B4;\n" +
  "    border-color: #DE5555;\n" +
  "}\n" +
  "\n" +
  ".ace_fade-fold-widgets .ace_fold-widget {\n" +
  "       -moz-transition: opacity 0.4s ease 0.05s;\n" +
  "    -webkit-transition: opacity 0.4s ease 0.05s;\n" +
  "         -o-transition: opacity 0.4s ease 0.05s;\n" +
  "        -ms-transition: opacity 0.4s ease 0.05s;\n" +
  "            transition: opacity 0.4s ease 0.05s;\n" +
  "    opacity: 0;\n" +
  "}\n" +
  "\n" +
  ".ace_fade-fold-widgets:hover .ace_fold-widget {\n" +
  "       -moz-transition: opacity 0.05s ease 0.05s;\n" +
  "    -webkit-transition: opacity 0.05s ease 0.05s;\n" +
  "         -o-transition: opacity 0.05s ease 0.05s;\n" +
  "        -ms-transition: opacity 0.05s ease 0.05s;\n" +
  "            transition: opacity 0.05s ease 0.05s;\n" +
  "    opacity:1;\n" +
  "}\n" +
  "");

ace.define('ace/multi_select', ['require', 'exports', 'module' , 'ace/range_list', 'ace/range', 'ace/selection', 'ace/mouse/multi_select_handler', 'ace/lib/event', 'ace/commands/multi_select_commands', 'ace/search', 'ace/edit_session', 'ace/editor'], 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 commands = require("./commands/multi_select_commands");
exports.commands = commands.defaultCommands.concat(commands.multiSelectCommands);

// Todo: session.find or editor.findVolatile that returns range
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);
}

// extend EditSession
var EditSession = require("./edit_session").EditSession;
(function() {
    this.getSelectionMarkers = function() {
        return this.$selectionMarkers;
    };
}).call(EditSession.prototype);

// extend Selection
(function() {
    // list of ranges in reverse addition order
    this.ranges = null;

    // automatically sorted list of ranges
    this.rangeList = null;
    this.addRange = function(range, $blockChangeEvents) {
        if (!range)
            return;

        if (!this.inMultiSelectMode && this.rangeCount == 0) {
            var oldRange = this.toOrientedRange();
            if (range.intersects(oldRange))
                return $blockChangeEvents || this.fromOrientedRange(range);

            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._emit("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);
        else if(this.ranges[0])
            this.fromOrientedRange(this.ranges[0]);
    };

    this.$onAddRange = function(range) {
        this.rangeCount = this.rangeList.ranges.length;
        this.ranges.unshift(range);
        this._emit("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._emit("removeRange", {ranges: removed});

        if (this.rangeCount == 0 && this.inMultiSelectMode) {
            this.inMultiSelectMode = false;
            this._emit("singleSelect");
            this.session.$undoSelect = true;
            this.rangeList.detach(this.session);
        }

        lastRange = lastRange || this.ranges[0];
        if (lastRange && !lastRange.isEqual(this.getRange()))
            this.fromOrientedRange(lastRange);
    };

    // adds multicursor support to selection
    this.$initRangeList = function() {
        if (this.rangeList)
            return;

        this.rangeList = new RangeList();
        this.ranges = [];
        this.rangeCount = 0;
    };

    this.getAllRanges = function() {
        return this.rangeList.ranges.concat();
    };

    this.splitIntoLines = 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 range = this.getRange();
            var startRow = range.start.row;
            var endRow = range.end.row;
            if (startRow == endRow)
                return;

            var rectSel = [];
            var r = this.getLineRange(startRow, true);
            r.start.column = range.start.column;
            rectSel.push(r);

            for (var i = startRow + 1; i < endRow; i++)
                rectSel.push(this.getLineRange(i, true));

            r = this.getLineRange(endRow, true);
            r.end.column = range.end.column;
            rectSel.push(r);

            rectSel.forEach(this.addRange, this);
        }
    };

    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.selectionLead);
            var anchor = this.session.documentToScreenPosition(this.selectionAnchor);

            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;
        } else {
            var startColumn = screenAnchor.column;
            var endColumn = screenCursor.column;
        }

        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;

        for (var row = startRow; row <= endRow; row++) {
            var range = Range.fromPoints(
                this.session.screenToDocumentPosition(row, startColumn),
                this.session.screenToDocumentPosition(row, endColumn)
            );
            if (range.isEmpty()) {
                if (docEnd && isSamePoint(range.end, docEnd))
                    break;
                var 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);

// extend Editor
var Editor = require("./editor").Editor;
(function() {
    
    /** extension
     * Editor.updateSelectionMarkers() 
     *
     * Updates the cursor and marker layers.
     **/
    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("multiselect");
        this.keyBinding.addKeyboardHandler(commands.keyboardHandler);
        this.commands.on("exec", this.$onMultiSelectExec);

        this.renderer.updateCursor();
        this.renderer.updateBackMarkers();
    };

    this.$onSingleSelect = function(e) {
        if (this.session.multiSelect.inVirtualMode)
            return;
        this.inMultiSelectMode = false;

        this.unsetStyle("multiselect");
        this.keyBinding.removeKeyboardHandler(commands.keyboardHandler);

        this.commands.removeEventListener("exec", this.$onMultiSelectExec);
        this.renderer.updateCursor();
        this.renderer.updateBackMarkers();
    };

    this.$onMultiSelectExec = function(e) {
        var command = e.command;
        var editor = e.editor;
        if (!editor.multiSelect)
            return;
        if (!command.multiSelectAction) {
            command.exec(editor, e.args || {});
            editor.multiSelect.addRange(editor.multiSelect.toOrientedRange());
            editor.multiSelect.mergeOverlappingRanges();
        } else if (command.multiSelectAction == "forEach") {
            editor.forEachSelection(command, e.args);
        } else if (command.multiSelectAction == "single") {
            editor.exitMultiSelectMode();
            command.exec(editor, e.args || {});
        } else {
            command.multiSelectAction(editor, e.args || {});
        }
        e.preventDefault();
    };
    this.forEachSelection = function(cmd, args) {
        if (this.inVirtualSelectionMode)
            return;

        var session = this.session;
        var selection = this.selection;
        var rangeList = selection.rangeList;

        var reg = selection._eventRegistry;
        selection._eventRegistry = {};

        var tmpSel = new Selection(session);
        this.inVirtualSelectionMode = true;
        for (var i = rangeList.ranges.length; i--;) {
            tmpSel.fromOrientedRange(rangeList.ranges[i]);
            this.selection = session.selection = tmpSel;
            cmd.exec(this, args || {});
            tmpSel.toOrientedRange(rangeList.ranges[i]);
        }
        tmpSel.detach();

        this.selection = session.selection = selection;
        this.inVirtualSelectionMode = false;
        selection._eventRegistry = reg;
        selection.mergeOverlappingRanges();

        this.onCursorChange();
        this.onSelectionChange();
    };
    this.exitMultiSelectMode = function() {
        if (this.inVirtualSelectionMode)
            return;
        this.multiSelect.toSingleRange();
    };

    this.getCopyText = function() {
        var text = "";
        if (this.inMultiSelectMode) {
            var ranges = this.multiSelect.rangeList.ranges;
            text = [];
            for (var i = 0; i < ranges.length; i++) {
                text.push(this.session.getTextRange(ranges[i]));
            }
            text = text.join(this.session.getDocument().getNewLineCharacter());
        } else if (!this.selection.isEmpty()) {
            text = this.session.getTextRange(this.getSelectionRange());
        }

        return text;
    };

    this.onPaste = function(text) {
        this._emit("paste", text);
        if (!this.inMultiSelectMode)
            return this.insert(text);

        var lines = text.split(/\r\n|\r|\n/);
        var ranges = this.selection.rangeList.ranges;

        if (lines.length > ranges.length || (lines.length <= 2 || !lines[1]))
            return this.commands.exec("insertstring", this, text);

        for (var i = ranges.length; i--; ) {
            var range = ranges[i];
            if (!range.isEmpty())
                this.session.remove(range);

            this.session.insert(range.start, lines[i]);
        }
    };
    this.findAll = function(needle, options, additive) {
        options = options || {};
        options.needle = needle || options.needle;
        this.$search.set(options);

        var ranges = this.$search.findAll(this.session);
        if (!ranges.length)
            return 0;

        this.$blockScrolling += 1;
        var selection = this.multiSelect;

        if (!additive)
            selection.toSingleRange(ranges[0]);

        for (var i = ranges.length; i--; )
            selection.addRange(ranges[i], true);

        this.$blockScrolling -= 1;

        return ranges.length;
    };

    // commands
    /** extension
     * Editor.selectMoreLines(dir, skip) 
     * - dir (Number): The direction of lines to select: -1 for up, 1 for down
     * - skip (Boolean): If `true`, removes the active selection range
     *
     * Adds a cursor above or below the active cursor.
     **/
    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;
        }
    }

    /** extension
     * Editor.selectMore(dir, skip) 
     * - dir (Number): The direction of lines to select: -1 for up, 1 for down
     * - skip (Boolean): If `true`, removes the active selection range
     *
     * Finds the next occurence of text in an active selection and adds it to the selections.
     **/
    this.selectMore = function (dir, skip) {
        var session = this.session;
        var sel = session.multiSelect;

        var range = sel.toOrientedRange();
        if (range.isEmpty()) {
            var range = session.getWordRange(range.start.row, range.start.column);
            range.cursor = range.end;
            this.multiSelect.addRange(range);
        }
        var needle = session.getTextRange(range);

        var newRange = find(session, needle, dir);
        if (newRange) {
            newRange.cursor = dir == -1 ? newRange.start : newRange.end;
            this.multiSelect.addRange(newRange);
        }
        if (skip)
            this.multiSelect.substractPoint(range.cursor);
    };
}).call(Editor.prototype);


function isSamePoint(p1, p2) {
    return p1.row == p2.row && p1.column == p2.column;
}

// patch
// adds multicursor support to a session
exports.onSessionChange = function(e) {
    var session = e.session;
    if (!session.multiSelect) {
        session.$selectionMarkers = [];
        session.selection.$initRangeList();
        session.multiSelect = session.selection;
    }
    this.multiSelect = session.multiSelect;

    var oldSession = e.oldSession;
    if (oldSession) {
        // todo use events
        if (oldSession.multiSelect && oldSession.multiSelect.editor == this)
            oldSession.multiSelect.editor = null;

        session.multiSelect.removeEventListener("addRange", this.$onAddRange);
        session.multiSelect.removeEventListener("removeRange", this.$onRemoveRange);
        session.multiSelect.removeEventListener("multiSelect", this.$onMultiSelect);
        session.multiSelect.removeEventListener("singleSelect", this.$onSingleSelect);
    }

    session.multiSelect.on("addRange", this.$onAddRange);
    session.multiSelect.on("removeRange", this.$onRemoveRange);
    session.multiSelect.on("multiSelect", this.$onMultiSelect);
    session.multiSelect.on("singleSelect", this.$onSingleSelect);

    // this.$onSelectionChange = this.onSelectionChange.bind(this);

    if (this.inMultiSelectMode != session.selection.inMultiSelectMode) {
        if (session.selection.inMultiSelectMode)
            this.$onMultiSelect();
        else
            this.$onSingleSelect();
    }
};

// MultiSelect(editor) 
// adds multiple selection support to the editor
// (note: should be called only once for each editor instance)
function MultiSelect(editor) {
    editor.$onAddRange = editor.$onAddRange.bind(editor);
    editor.$onRemoveRange = editor.$onRemoveRange.bind(editor);
    editor.$onMultiSelect = editor.$onMultiSelect.bind(editor);
    editor.$onSingleSelect = editor.$onSingleSelect.bind(editor);

    exports.onSessionChange.call(editor, editor);
    editor.on("changeSession", exports.onSessionChange.bind(editor));

    editor.on("mousedown", onMouseDown);
    editor.commands.addCommands(commands.defaultCommands);

    addAltCursorListeners(editor);
}

function addAltCursorListeners(editor){
    var el = editor.textInput.getElement();
    var altCursor = false;
    var contentEl = editor.renderer.content;
    event.addListener(el, "keydown", function(e) {
        if (e.keyCode == 18 && !(e.ctrlKey || e.shiftKey || e.metaKey)) {
            if (!altCursor) {
                contentEl.style.cursor = "crosshair";
                altCursor = true;
            }
        } else if (altCursor) {
            contentEl.style.cursor = "";
        }
    });

    event.addListener(el, "keyup", reset);
    event.addListener(el, "blur", reset);
    function reset() {
        if (altCursor) {
            contentEl.style.cursor = "";
            altCursor = false;
        }
    }
}

exports.MultiSelect = MultiSelect;

});

ace.define('ace/range_list', ['require', 'exports', 'module' ], function(require, exports, module) {



var RangeList = function() {
    this.ranges = [];
};

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

    this.pointIndex = function(pos, startIndex) {
        var list = this.ranges;

        for (var i = startIndex || 0; i < list.length; i++) {
            var range = list[i];
            var cmp = this.comparePoints(pos, range.end);

            if (cmp > 0)
                continue;
            if (cmp == 0)
                return i;
            cmp = this.comparePoints(pos, range.start);
            if (cmp >= 0)
                return i;

            return -i-1;
        }
        return -i - 1;
    };

    this.add = function(range) {
        var startIndex = this.pointIndex(range.start);
        if (startIndex < 0)
            startIndex = -startIndex - 1;

        var endIndex = this.pointIndex(range.end, 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.call(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);
    };

    // merge overlapping ranges
    this.merge = function() {
        var removed = [];
        var list = this.ranges;
        var next = list[0], range;
        for (var i = 1; i < list.length; i++) {
            range = next;
            next = list[i];
            var cmp = this.comparePoints(range.end, next.start);
            if (cmp < 0)
                continue;

            if (cmp == 0 && !(range.isEmpty() || next.isEmpty()))
                continue;

            if (this.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--;
        }

        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(e) {
        var changeRange = e.data.range;
        if (e.data.action[0] == "i"){
            var start = changeRange.start;
            var end = changeRange.end;
        } else {
            var end = changeRange.start;
            var start = changeRange.end;
        }
        var startRow = start.row;
        var endRow = end.row;
        var lineDif = endRow - startRow;

        var colDiff = -start.column + end.column;
        var ranges = this.ranges;

        for (var i = 0, n = ranges.length; i < n; i++) {
            var r = ranges[i];
            if (r.end.row < startRow)
                continue;
            if (r.start.row > startRow)
                break;

            if (r.start.row == startRow && r.start.column >= start.column ) {
                r.start.column += colDiff;
                r.start.row += lineDif;
            }
            if (r.end.row == startRow && r.end.column >=  start.column) {
                r.end.column += colDiff;
                r.end.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/mouse/multi_select_handler', ['require', 'exports', 'module' , 'ace/lib/event'], function(require, exports, module) {

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


// mouse
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 = e.getAccelKey();
    var button = e.getButton();

    if (e.editor.inMultiSelectMode && button == 2) {
        e.editor.textInput.onContextMenu(e.domEvent);
        return;
    }
    
    if (!ctrl && !alt) {
        if (button == 0 && e.editor.inMultiSelectMode)
            e.editor.exitMultiSelectMode();
        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 blockSelect = function() {
        var newCursor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);
        var cursor = session.screenToDocumentPosition(newCursor.row, newCursor.column);

        if (isSamePoint(screenCursor, newCursor)
            && isSamePoint(cursor, selection.selectionLead))
            return;
        screenCursor = newCursor;

        editor.selection.moveCursorToPosition(cursor);
        editor.selection.clearSelection();
        editor.renderer.scrollCursorIntoView();

        editor.removeSelectionMarkers(rectSel);
        rectSel = selection.rectangularRangeBlock(screenCursor, screenAnchor);
        rectSel.forEach(editor.addSelectionMarker, editor);
        editor.updateSelectionMarkers();
    };
    
    var session = editor.session;
    var screenAnchor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);
    var screenCursor = screenAnchor;

    

    if (ctrl && !shift && !alt && button == 0) {
        if (!isMultiSelect && inSelection)
            return; // dragging

        if (!isMultiSelect) {
            var range = selection.toOrientedRange();
            editor.addSelectionMarker(range);
        }

        var oldRange = selection.rangeList.rangeAtPoint(pos);

        event.capture(editor.container, function(){}, function() {
            var tmpSel = selection.toOrientedRange();

            if (oldRange && tmpSel.isEmpty() && isSamePoint(oldRange.cursor, tmpSel.cursor))
                selection.substractPoint(tmpSel.cursor);
            else {
                if (range) {
                    editor.removeSelectionMarker(range);
                    selection.addRange(range);
                }
                selection.addRange(tmpSel);
            }
        });

    } else if (!shift && alt && button == 0) {
        e.stop();

        if (isMultiSelect && !ctrl)
            selection.toSingleRange();
        else if (!isMultiSelect && ctrl)
            selection.addRange();

        selection.moveCursorToPosition(pos);
        selection.clearSelection();

        var rectSel = [];

        var onMouseSelectionEnd = function(e) {
            clearInterval(timerId);
            editor.removeSelectionMarkers(rectSel);
            for (var i = 0; i < rectSel.length; i++)
                selection.addRange(rectSel[i]);
        };

        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) {

// commands to enter multiselect mode
exports.defaultCommands = [{
    name: "addCursorAbove",
    exec: function(editor) { editor.selectMoreLines(-1); },
    bindKey: {win: "Ctrl-Alt-Up", mac: "Ctrl-Alt-Up"},
    readonly: true
}, {
    name: "addCursorBelow",
    exec: function(editor) { editor.selectMoreLines(1); },
    bindKey: {win: "Ctrl-Alt-Down", mac: "Ctrl-Alt-Down"},
    readonly: true
}, {
    name: "addCursorAboveSkipCurrent",
    exec: function(editor) { editor.selectMoreLines(-1, true); },
    bindKey: {win: "Ctrl-Alt-Shift-Up", mac: "Ctrl-Alt-Shift-Up"},
    readonly: true
}, {
    name: "addCursorBelowSkipCurrent",
    exec: function(editor) { editor.selectMoreLines(1, true); },
    bindKey: {win: "Ctrl-Alt-Shift-Down", mac: "Ctrl-Alt-Shift-Down"},
    readonly: true
}, {
    name: "selectMoreBefore",
    exec: function(editor) { editor.selectMore(-1); },
    bindKey: {win: "Ctrl-Alt-Left", mac: "Ctrl-Alt-Left"},
    readonly: true
}, {
    name: "selectMoreAfter",
    exec: function(editor) { editor.selectMore(1); },
    bindKey: {win: "Ctrl-Alt-Right", mac: "Ctrl-Alt-Right"},
    readonly: true
}, {
    name: "selectNextBefore",
    exec: function(editor) { editor.selectMore(-1, true); },
    bindKey: {win: "Ctrl-Alt-Shift-Left", mac: "Ctrl-Alt-Shift-Left"},
    readonly: true
}, {
    name: "selectNextAfter",
    exec: function(editor) { editor.selectMore(1, true); },
    bindKey: {win: "Ctrl-Alt-Shift-Right", mac: "Ctrl-Alt-Shift-Right"},
    readonly: true
}, {
    name: "splitIntoLines",
    exec: function(editor) { editor.multiSelect.splitIntoLines(); },
    bindKey: {win: "Ctrl-Shift-L", mac: "Ctrl-Shift-L"},
    readonly: true
}];

// commands active in multiselect mode
exports.multiSelectCommands = [{
    name: "singleSelection",
    bindKey: "esc",
    exec: function(editor) { editor.exitMultiSelectMode(); },
    readonly: true,
    isAvailable: function(editor) {return editor.inMultiSelectMode}
}];

var HashHandler = require("../keyboard/hash_handler").HashHandler;
exports.keyboardHandler = new HashHandler(exports.multiSelectCommands);

});

ace.define('ace/worker/worker_client', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/lib/event_emitter', 'ace/config'], function(require, exports, module) {


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

var WorkerClient = function(topLevelNamespaces, packagedJs, mod, classname) {

    this.changeListener = this.changeListener.bind(this);

    if (config.get("packaged")) {
        this.$worker = new Worker(config.get("workerPath") + "/" + packagedJs);
    }
    else {
        var workerUrl;
        if (typeof require.supports !== "undefined" && require.supports.indexOf("ucjs2-pinf-0") >= 0) {
            // We are running in the sourcemint loader.
            workerUrl = require.nameToUrl("ace/worker/worker_sourcemint");
        } else {
            // We are running in RequireJS.
            // nameToUrl is renamed to toUrl in requirejs 2
            if (require.nameToUrl && !require.toUrl)
                require.toUrl = require.nameToUrl;
            workerUrl = this.$normalizePath(require.toUrl("ace/worker/worker", null, "_"));
        }
        this.$worker = new Worker(workerUrl);

        var tlns = {};
        for (var i=0; i<topLevelNamespaces.length; i++) {
            var ns = topLevelNamespaces[i];
            var path = this.$normalizePath(require.toUrl(ns, null, "_").replace(/.js$/, ""));

            tlns[ns] = path;
        }
    }

    this.$worker.postMessage({
        init : true,
        tlns: tlns,
        module: mod,
        classname: classname
    });

    this.callbackId = 1;
    this.callbacks = {};

    var _self = this;
    this.$worker.onerror = function(e) {
        window.console && console.log && console.log(e);
        throw e;
    };
    this.$worker.onmessage = function(e) {
        var msg = e.data;
        switch(msg.type) {
            case "log":
                window.console && console.log && console.log(msg.data);
                break;

            case "event":
                _self._emit(msg.name, {data: msg.data});
                break;

            case "call":
                var callback = _self.callbacks[msg.id];
                if (callback) {
                    callback(msg.data);
                    delete _self.callbacks[msg.id];
                }
                break;
        }
    };
};

(function(){

    oop.implement(this, EventEmitter);

    this.$normalizePath = function(path) {
        path = path.replace(/^[a-z]+:\/\/[^\/]+/, ""); // Remove domain name and rebuild it
        path = location.protocol + "//" + location.host
            // paths starting with a slash are relative to the root (host)
            + (path.charAt(0) == "/" ? "" : location.pathname.replace(/\/[^\/]*$/, ""))
            + "/" + path.replace(/^[\/]+/, "");
        return path;
    };

    this.terminate = function() {
        this._emit("terminate", {});
        this.$worker.terminate();
        this.$worker = null;
        this.$doc.removeEventListener("change", this.changeListener);
        this.$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 {
            // firefox refuses to clone objects which have function properties
            // TODO: cleanup event
            this.$worker.postMessage({event: event, data: {data: data.data}});
        }
        catch(ex) {}
    };

    this.attachToDocument = function(doc) {
        if(this.$doc)
            this.terminate();

        this.$doc = doc;
        this.call("setValue", [doc.getValue()]);
        doc.on("change", this.changeListener);
    };

    this.changeListener = function(e) {
        e.range = {
            start: e.data.range.start,
            end: e.data.range.end
        };
        this.emit("change", e);
    };

}).call(WorkerClient.prototype);

exports.WorkerClient = WorkerClient;

});

ace.define('ace/keyboard/state_handler', ['require', 'exports', 'module' ], function(require, exports, module) {


// If you're developing a new keymapping and want to get an idea what's going
// on, then enable debugging.
var DEBUG = false;

function StateHandler(keymapping) {
    this.keymapping = this.$buildKeymappingRegex(keymapping);
}

StateHandler.prototype = {
    /*
     * Build the RegExp from the keymapping as RegExp can't stored directly
     * in the metadata JSON and as the RegExp used to match the keys/buffer
     * need to be adapted.
     */
    $buildKeymappingRegex: function(keymapping) {
        for (var state in keymapping) {
            this.$buildBindingsRegex(keymapping[state]);
        }
        return keymapping;
    },

    $buildBindingsRegex: function(bindings) {
        // Escape a given Regex string.
        bindings.forEach(function(binding) {
            if (binding.key) {
                binding.key = new RegExp('^' + binding.key + '$');
            } else if (Array.isArray(binding.regex)) {
                if (!('key' in binding))
                  binding.key = new RegExp('^' + binding.regex[1] + '$');
                binding.regex = new RegExp(binding.regex.join('') + '$');
            } else if (binding.regex) {
                binding.regex = new RegExp(binding.regex + '$');
            }
        });
    },

    $composeBuffer: function(data, hashId, key, e) {
        // Initialize the data object.
        if (data.state == null || data.buffer == null) {
            data.state = "start";
            data.buffer = "";
        }

        var keyArray = [];
        if (hashId & 1) keyArray.push("ctrl");
        if (hashId & 8) keyArray.push("command");
        if (hashId & 2) keyArray.push("option");
        if (hashId & 4) keyArray.push("shift");
        if (key)        keyArray.push(key);

        var symbolicName = keyArray.join("-");
        var bufferToUse = data.buffer + symbolicName;

        // Don't add the symbolic name to the key buffer if the alt_ key is
        // part of the symbolic name. If it starts with alt_, this means
        // that the user hit an alt keycombo and there will be a single,
        // new character detected after this event, which then will be
        // added to the buffer (e.g. alt_j will result in ∆).
        //
        // We test for 2 and not for & 2 as we only want to exclude the case where
        // the option key is pressed alone.
        if (hashId != 2) {
            data.buffer = bufferToUse;
        }

        var bufferObj = {
            bufferToUse: bufferToUse,
            symbolicName: symbolicName,
        };

        if (e) {
            bufferObj.keyIdentifier = e.keyIdentifier
        }

        return bufferObj;
    },

    $find: function(data, buffer, symbolicName, hashId, key, keyIdentifier) {
        // Holds the command to execute and the args if a command matched.
        var result = {};

        // Loop over all the bindings of the keymap until a match is found.
        this.keymapping[data.state].some(function(binding) {
            var match;

            // Check if the key matches.
            if (binding.key && !binding.key.test(symbolicName)) {
                return false;
            }

            // Check if the regex matches.
            if (binding.regex && !(match = binding.regex.exec(buffer))) {
                return false;
            }

            // Check if the match function matches.
            if (binding.match && !binding.match(buffer, hashId, key, symbolicName, keyIdentifier)) {
                return false;
            }

            // Check for disallowed matches.
            if (binding.disallowMatches) {
                for (var i = 0; i < binding.disallowMatches.length; i++) {
                    if (!!match[binding.disallowMatches[i]]) {
                        return false;
                    }
                }
            }

            // If there is a command to execute, then figure out the
            // command and the arguments.
            if (binding.exec) {
                result.command = binding.exec;

                // Build the arguments.
                if (binding.params) {
                    var value;
                    result.args = {};
                    binding.params.forEach(function(param) {
                        if (param.match != null && match != null) {
                            value = match[param.match] || param.defaultValue;
                        } else {
                            value = param.defaultValue;
                        }

                        if (param.type === 'number') {
                            value = parseInt(value);
                        }

                        result.args[param.name] = value;
                    });
                }
                data.buffer = "";
            }

            // Handle the 'then' property.
            if (binding.then) {
                data.state = binding.then;
                data.buffer = "";
            }

            // If no command is set, then execute the "null" fake command.
            if (result.command == null) {
                result.command = "null";
            }

            if (DEBUG) {
                console.log("KeyboardStateMapper#find", binding);
            }
            return true;
        });

        if (result.command) {
            return result;
        } else {
            data.buffer = "";
            return false;
        }
    },

    /*
     * This function is called by keyBinding.
     */
    handleKeyboard: function(data, hashId, key, keyCode, e) {
        if (hashId == -1)
            hashId = 0
        // If we pressed any command key but no other key, then ignore the input.
        // Otherwise "shift-" is added to the buffer, and later on "shift-g"
        // which results in "shift-shift-g" which doesn't make sense.
        if (hashId != 0 && (key == "" || key == String.fromCharCode(0))) {
            return null;
        }

        // Compute the current value of the keyboard input buffer.
        var r = this.$composeBuffer(data, hashId, key, e);
        var buffer = r.bufferToUse;
        var symbolicName = r.symbolicName;
        var keyId = r.keyIdentifier;

        r = this.$find(data, buffer, symbolicName, hashId, key, keyId);
        if (DEBUG) {
            console.log("KeyboardStateMapper#match", buffer, symbolicName, r);
        }

        return r;
    }
}

/*
 * This is a useful matching function and therefore is defined here so that
 * users of KeyboardStateMapper can use it.
 *
 * @return boolean
 *          If no command key (Command|Option|Shift|Ctrl) is pressed, it
 *          returns true. If the only the Shift key is pressed + a character
 *          true is returned as well. Otherwise, false is returned.
 *          Summing up, the function returns true whenever the user typed
 *          a normal character on the keyboard and no shortcut.
 */
exports.matchCharacterOnly = function(buffer, hashId, key, symbolicName) {
    // If no command keys are pressed, then catch the input.
    if (hashId == 0) {
        return true;
    }
    // If only the shift key is pressed and a character key, then
    // catch that input as well.
    else if ((hashId == 4) && key.length == 1) {
        return true;
    }
    // Otherwise, we let the input got through.
    else {
        return false;
    }
};

exports.StateHandler = StateHandler;
});
ace.define('ace/placeholder', ['require', 'exports', 'module' , 'ace/range', 'ace/lib/event_emitter', 'ace/lib/oop'], function(require, exports, module) {


var Range = require('./range').Range;
var EventEmitter = require("./lib/event_emitter").EventEmitter;
var oop = require("./lib/oop");

/**
 * new PlaceHolder(session, length, pos, others, mainClass, othersClass)
 * - session (Document): The document to associate with the anchor
 * - length (Number): The starting row position
 * - pos (Number): The starting column position
 * - others (String):
 * - mainClass (String):
 * - othersClass (String):
 *
 *  TODO
 *
 **/

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);
    this.$others = others;
    
    this.$onCursorChange = function() {
        setTimeout(function() {
            _self.onCursorChange();
        });
    };
    
    this.$pos = pos;
    // Used for reset
    var undoStack = session.getUndoManager().$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;
        var pos = this.$pos;

        this.pos = doc.createAnchor(pos.row, pos.column);
        this.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column + this.length), this.mainClass, null, false);
        this.pos.on("change", function(event) {
            session.removeMarker(_self.markerId);
            _self.markerId = session.addMarker(new Range(event.value.row, event.value.column, event.value.row, event.value.column+_self.length), _self.mainClass, null, false);
        });
        this.others = [];
        this.$others.forEach(function(other) {
            var anchor = doc.createAnchor(other.row, other.column);
            _self.others.push(anchor);
        });
        session.setUndoSelect(false);
    };
    this.showOtherMarkers = function() {
        if(this.othersActive) return;
        var session = this.session;
        var _self = this;
        this.othersActive = true;
        this.others.forEach(function(anchor) {
            anchor.markerId = session.addMarker(new Range(anchor.row, anchor.column, anchor.row, anchor.column+_self.length), _self.othersClass, null, false);
            anchor.on("change", function(event) {
                session.removeMarker(anchor.markerId);
                anchor.markerId = session.addMarker(new Range(event.value.row, event.value.column, event.value.row, event.value.column+_self.length), _self.othersClass, null, false);
            });
        });
    };
    this.hideOtherMarkers = function() {
        if(!this.othersActive) return;
        this.othersActive = false;
        for (var i = 0; i < this.others.length; i++) {
            this.session.removeMarker(this.others[i].markerId);
        }
    };
    this.onUpdate = function(event) {
        var delta = event.data;
        var range = delta.range;
        if(range.start.row !== range.end.row) return;
        if(range.start.row !== this.pos.row) return;
        if (this.$updating) return;
        this.$updating = true;
        var lengthDiff = delta.action === "insertText" ? range.end.column - range.start.column : range.start.column - range.end.column;
        
        if(range.start.column >= this.pos.column && range.start.column <= this.pos.column + this.length + 1) {
            var distanceFromStart = range.start.column - this.pos.column;
            this.length += lengthDiff;
            if(!this.session.$fromUndo) {
                if(delta.action === "insertText") {
                    for (var i = this.others.length - 1; i >= 0; i--) {
                        var otherPos = this.others[i];
                        var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};
                        if(otherPos.row === range.start.row && range.start.column < otherPos.column)
                            newPos.column += lengthDiff;
                        this.doc.insert(newPos, delta.text);
                    }
                } else if(delta.action === "removeText") {
                    for (var i = this.others.length - 1; i >= 0; i--) {
                        var otherPos = this.others[i];
                        var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};
                        if(otherPos.row === range.start.row && range.start.column < otherPos.column)
                            newPos.column += lengthDiff;
                        this.doc.remove(new Range(newPos.row, newPos.column, newPos.row, newPos.column - lengthDiff));
                    }
                }
                // Special case: insert in beginning
                if(range.start.column === this.pos.column && delta.action === "insertText") {
                    setTimeout(function() {
                        this.pos.setPosition(this.pos.row, this.pos.column - lengthDiff);
                        for (var i = 0; i < this.others.length; i++) {
                            var other = this.others[i];
                            var newPos = {row: other.row, column: other.column - lengthDiff};
                            if(other.row === range.start.row && range.start.column < other.column)
                                newPos.column += lengthDiff;
                            other.setPosition(newPos.row, newPos.column);
                        }
                    }.bind(this), 0);
                }
                else if(range.start.column === this.pos.column && delta.action === "removeText") {
                    setTimeout(function() {
                        for (var i = 0; i < this.others.length; i++) {
                            var other = this.others[i];
                            if(other.row === range.start.row && range.start.column < other.column) {
                                other.setPosition(other.row, other.column - lengthDiff);
                            }
                        }
                    }.bind(this), 0);
                }
            }
            this.pos._emit("change", {value: this.pos});
            for (var i = 0; i < this.others.length; i++) {
                this.others[i]._emit("change", {value: this.others[i]});
            }
        }
        this.$updating = false;
    };

    this.onCursorChange = function(event) {
        if (this.$updating) return;
        var pos = this.session.selection.getCursor();
        if(pos.row === this.pos.row && pos.column >= this.pos.column && pos.column <= this.pos.column + this.length) {
            this.showOtherMarkers();
            this._emit("cursorEnter", event);
        } else {
            this.hideOtherMarkers();
            this._emit("cursorLeave", event);
        }
    };    
    this.detach = function() {
        this.session.removeMarker(this.markerId);
        this.hideOtherMarkers();
        this.doc.removeEventListener("change", this.$onUpdate);
        this.session.selection.removeEventListener("changeCursor", this.$onCursorChange);
        this.pos.detach();
        for (var i = 0; i < this.others.length; i++) {
            this.others[i].detach();
        }
        this.session.setUndoSelect(true);
    };
    this.cancel = function() {
        if(this.$undoStackDepth === -1)
            throw Error("Canceling placeholders only supported with undo manager attached to session.");
        var undoManager = this.session.getUndoManager();
        var undosRequired = (undoManager.$undoStack || undoManager.$undostack).length - this.$undoStackDepth;
        for (var i = 0; i < undosRequired; i++) {
            undoManager.undo(true);
        }
    };
}).call(PlaceHolder.prototype);


exports.PlaceHolder = PlaceHolder;
});

ace.define('ace/theme/textmate', ['require', 'exports', 'module' , 'text!ace/theme/textmate.css', 'ace/lib/dom'], function(require, exports, module) {


exports.isDark = false;
exports.cssClass = "ace-tm";
exports.cssText = require('text!./textmate.css');

var dom = require("../lib/dom");
dom.importCssString(exports.cssText, exports.cssClass);
});
ace.define("text!ace/theme/textmate.css", [], ".ace-tm .ace_editor {\n" +
  "  border: 2px solid rgb(159, 159, 159);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_editor.ace_focus {\n" +
  "  border: 2px solid #327fbd;\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_gutter {\n" +
  "  background: #e8e8e8;\n" +
  "  color: #333;\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_print_margin {\n" +
  "  width: 1px;\n" +
  "  background: #e8e8e8;\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_fold {\n" +
  "    background-color: #6B72E6;\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_text-layer {\n" +
  "  cursor: text;\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_cursor {\n" +
  "  border-left: 2px solid black;\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_cursor.ace_overwrite {\n" +
  "  border-left: 0px;\n" +
  "  border-bottom: 1px solid black;\n" +
  "}\n" +
  "        \n" +
  ".ace-tm .ace_line .ace_invisible {\n" +
  "  color: rgb(191, 191, 191);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_storage,\n" +
  ".ace-tm .ace_line .ace_keyword {\n" +
  "  color: blue;\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_constant {\n" +
  "  color: rgb(197, 6, 11);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_constant.ace_buildin {\n" +
  "  color: rgb(88, 72, 246);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_constant.ace_language {\n" +
  "  color: rgb(88, 92, 246);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_constant.ace_library {\n" +
  "  color: rgb(6, 150, 14);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_invalid {\n" +
  "  background-color: rgba(255, 0, 0, 0.1);\n" +
  "  color: red;\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_support.ace_function {\n" +
  "  color: rgb(60, 76, 114);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_support.ace_constant {\n" +
  "  color: rgb(6, 150, 14);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_support.ace_type,\n" +
  ".ace-tm .ace_line .ace_support.ace_class {\n" +
  "  color: rgb(109, 121, 222);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_keyword.ace_operator {\n" +
  "  color: rgb(104, 118, 135);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_string {\n" +
  "  color: rgb(3, 106, 7);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_comment {\n" +
  "  color: rgb(76, 136, 107);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_comment.ace_doc {\n" +
  "  color: rgb(0, 102, 255);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_comment.ace_doc.ace_tag {\n" +
  "  color: rgb(128, 159, 191);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_constant.ace_numeric {\n" +
  "  color: rgb(0, 0, 205);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_variable {\n" +
  "  color: rgb(49, 132, 149);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_line .ace_xml_pe {\n" +
  "  color: rgb(104, 104, 91);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_entity.ace_name.ace_function {\n" +
  "  color: #0000A2;\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_markup.ace_markupine {\n" +
  "    text-decoration:underline;\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_markup.ace_heading {\n" +
  "  color: rgb(12, 7, 255);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_markup.ace_list {\n" +
  "  color:rgb(185, 6, 144);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_marker-layer .ace_selection {\n" +
  "  background: rgb(181, 213, 255);\n" +
  "}\n" +
  ".ace-tm.multiselect .ace_selection.start {\n" +
  "  box-shadow: 0 0 3px 0px white;\n" +
  "  border-radius: 2px;\n" +
  "}\n" +
  ".ace-tm .ace_marker-layer .ace_step {\n" +
  "  background: rgb(252, 255, 0);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_marker-layer .ace_stack {\n" +
  "  background: rgb(164, 229, 101);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_marker-layer .ace_bracket {\n" +
  "  margin: -1px 0 0 -1px;\n" +
  "  border: 1px solid rgb(192, 192, 192);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_marker-layer .ace_active_line {\n" +
  "  background: rgba(0, 0, 0, 0.07);\n" +
  "}\n" +
  ".ace-tm .ace_gutter_active_line{\n" +
  "    background-color : #dcdcdc;\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_marker-layer .ace_selected_word {\n" +
  "  background: rgb(250, 250, 255);\n" +
  "  border: 1px solid rgb(200, 200, 250);\n" +
  "}\n" +
  "\n" +
  ".ace-tm .ace_meta.ace_tag {\n" +
  "  color:rgb(0, 50, 198);\n" +
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  ".ace-tm .ace_string.ace_regex {\n" +
  "  color: rgb(255, 0, 0)\n" +
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