add ruby symbol and erb

lib/ace/mode/html_highlight_rules.js

@@ -40,6 +40,7 @@ define(function(require, exports, module) {
 var oop = require("pilot/oop");
 var CssHighlightRules = require("ace/mode/css_highlight_rules").CssHighlightRules;
 var JavaScriptHighlightRules = require("ace/mode/javascript_highlight_rules").JavaScriptHighlightRules;
+var RubyHighlightRules = require("ace/mode/ruby_highlight_rules").RubyHighlightRules;
 var TextHighlightRules = require("ace/mode/text_highlight_rules").TextHighlightRules;
 
 var HtmlHighlightRules = function() {
@@ -67,6 +68,10 @@ var HtmlHighlightRules = function() {
             token : "text",
             regex : "<(?=\s*style)",
             next : "css"
+        }, {
+            token : "text",
+            regex : "<(?=\s*%)",
+            next : "ruby"
         }, {
             token : "text", // opening tag
             regex : "<\\/?",
@@ -115,6 +120,24 @@ var HtmlHighlightRules = function() {
             regex : "'.*?'"
         } ],
 
+        ruby : [ {
+            token : "text",
+            regex : ">",
+            next : "ruby-start"
+        }, {
+            token : "keyword",
+            regex : "[-_a-zA-Z0-9:]+"
+        }, {
+            token : "text",
+            regex : "\\s+"
+        }, {
+            token : "string",
+            regex : '".*?"'
+        }, {
+            token : "string",
+            regex : "'.*?'"
+        } ],
+
         tag : [ {
             token : "text",
             regex : ">",
@@ -174,6 +197,14 @@ var HtmlHighlightRules = function() {
         regex: "<\\/(?=style)",
         next: "tag"
     });
+    
+    var rubyRules = new RubyHighlightRules().getRules();
+    this.addRules(rubyRules, "ruby-");
+    this.$rules["ruby-start"].unshift({
+        token: "text",
+        regex: "<\\/(?=%)",
+        next: "tag"
+    });
 };
 
 oop.inherits(HtmlHighlightRules, TextHighlightRules);

lib/ace/mode/ruby_highlight_rules.js

@@ -86,6 +86,9 @@ var RubyHighlightRules = function() {
 	        }, {
                 token : "string", // single line
                 regex : "['](?:(?:\\\\.)|(?:[^'\\\\]))*?[']"
+	        }, {
+                token: "string", // symbol
+                regex: "[:](?:[a-zA-Z]|\d)+"
 	        }, {
 	            token : "constant.numeric", // hex
 	            regex : "0[xX][0-9a-fA-F]+\\b"