Add worker to the html mode

This adds syntax checking (not validating). Based on HTML5 @aredridel parser

lib/ace/mode/html.js

@@ -40,8 +40,10 @@ var HtmlHighlightRules = require("./html_highlight_rules").HtmlHighlightRules;
 var HtmlBehaviour = require("./behaviour/html").HtmlBehaviour;
 var HtmlFoldMode = require("./folding/html").FoldMode;
 var HtmlCompletions = require("./html_completions").HtmlCompletions;
+var WorkerClient = require("../worker/worker_client").WorkerClient;
 
-var Mode = function() {
+var Mode = function(options) {
+    this.fragmentContext = options && options.fragmentContext;
     this.HighlightRules = HtmlHighlightRules;
     this.$behaviour = new HtmlBehaviour();
     this.$completer = new HtmlCompletions();
@@ -71,6 +73,24 @@ oop.inherits(Mode, TextMode);
         return this.$completer.getCompletions(state, session, pos, prefix);
     };
 
+    this.createWorker = function(session) {
+        var worker = new WorkerClient(["ace"], "ace/mode/html_worker", "Worker");
+        worker.attachToDocument(session.getDocument());
+
+        if (this.fragmentContext)
+            worker.call("setOptions", [{context: this.fragmentContext}]);
+
+        worker.on("error", function(e) {
+            session.setAnnotations(e.data);
+        });
+
+        worker.on("terminate", function() {
+            session.clearAnnotations();
+        });
+
+        return worker;
+    };
+
     this.$id = "ace/mode/html";
 }).call(Mode.prototype);
 

lib/ace/mode/html_worker.js

@@ -0,0 +1,86 @@
+/* ***** 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 oop = require("../lib/oop");
+var lang = require("../lib/lang");
+var Mirror = require("../worker/mirror").Mirror;
+var SAXParser = require("./html/saxparser").SAXParser;
+
+var Worker = exports.Worker = function(sender) {
+    Mirror.call(this, sender);
+    this.setTimeout(400);
+    this.context = null;
+};
+
+oop.inherits(Worker, Mirror);
+
+(function() {
+
+    this.setOptions = function(options) {
+        this.context = options.context;
+    };
+
+    this.onUpdate = function() {
+        var value = this.doc.getValue();
+        if (!value)
+            return;
+        var parser = new SAXParser();
+        var errors = [];
+        var noop = function(){};
+        parser.contentHandler = {
+           startDocument: noop,
+           endDocument: noop,
+           startElement: noop,
+           endElement: noop,
+           characters: noop
+        };
+        parser.errorHandler = {
+            error: function(message, location) {
+                errors.push({
+                    row: location.line,
+                    column: location.column,
+                    text: message,
+                    type: "error"
+                });
+            }
+        };
+        if (this.context)
+            parser.parseFragment(value, this.context);
+        else
+            parser.parse(value);
+        this.sender.emit("error", errors);
+    };
+
+}).call(Worker.prototype);
+
+});