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

define(function(require, exports, module) {
"use strict";

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, append) {
        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);

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

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

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

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

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

}).call(TextHighlightRules.prototype);

exports.TextHighlightRules = TextHighlightRules;
});

@@ -3020,16 +3020,47 @@
 efix);%0A%0A
+        if (escapeRules) %7B%0A    
         
@@ -3120,32 +3120,36 @@
 hift%22%5D;%0A        
+ 
+   
 for (var i = 0; 
@@ -3164,32 +3164,36 @@
 es.length; i++)%0A
+    
             addR
@@ -3255,23 +3255,26 @@
 Rules));
+%0A
        
+ %7D
 %0A%0A      

Fix error in IE8 when escapeRules is not passed