cleanup highlight_rules

lib/ace/lib/lang.js

@@ -101,6 +101,14 @@ exports.arrayToMap = function(arr) {
 
 };
 
+exports.createMap = function(props) {
+    var map = Object.create(null);
+    for (var i in props) {
+        map[i] = props[i];
+    }
+    return map;
+};
+
 /*
  * splice out of 'array' anything that === 'value'
  */

lib/ace/mode/html_highlight_rules.js

@@ -39,12 +39,13 @@ define(function(require, exports, module) {
 "use strict";
 
 var oop = require("../lib/oop");
+var lang = require("../lib/lang");
 var CssHighlightRules = require("./css_highlight_rules").CssHighlightRules;
 var JavaScriptHighlightRules = require("./javascript_highlight_rules").JavaScriptHighlightRules;
 var xmlUtil = require("./xml_util");
 var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
 
-var tagMap = {
+var tagMap = lang.createMap({
     a           : 'anchor',
     button 	    : 'form',
     form        : 'form',
@@ -61,7 +62,7 @@ var tagMap = {
     tfoot       : 'table',
     th          : 'table',
     tr          : 'table'
-};
+});
 
 var HtmlHighlightRules = function() {
 

lib/ace/mode/json_highlight_rules.js

@@ -84,7 +84,7 @@ var JsonHighlightRules = function() {
         "string" : [
             {
                 token : "constant.language.escape",
-                regex : /\\(?:x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4})/
+                regex : /\\(?:x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4}|["\\\/bfnrt])/
             }, {
                 token : "string",
                 regex : '[^"\\\\]+',

lib/ace/mode/xml_util.js

@@ -78,13 +78,12 @@ exports.tag = function(states, name, nextState, tagMap) {
     }, {
         //token : "meta.tag",
         
-    token : function(value) {
-            if (tagMap && tagMap[value]) {
-                return "meta.tag.tag-name" + '.' + tagMap[value];
-            } else {
+    token : !tagMap ? "meta.tag.tag-name" : function(value) {
+            if (tagMap[value])
+                return "meta.tag.tag-name." + tagMap[value];
+            else
                 return "meta.tag.tag-name";
-            }
-        },        
+        },
         merge : true,
         regex : "[-_a-zA-Z0-9:]+",
         next : name + "_embed_attribute_list"