XMPP implementation in JavaScript.

remoting/webapp/base.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
  * A module that contains basic utility components and methods for the
  * chromoting project
  *
  */
@@ skipping 367 matching lines @@
 
     listeners.forEach(
       /** @param {function(*=):void} listener */
       function(listener){
         if (listener) {
           listener(opt_details);
         }
     });
   }
 };
+
+/**
+  * Converts UTF-8 string to ArrayBuffer.

[kelvinp, 2014/08/29 01:37:09]

Nit: blank line between JSDocs and params annotation.

[Sergey Ulanov, 2014/08/29 23:40:29]

Done.

+  * @param {string} string
+  * @return {ArrayBuffer}
+  */
+base.encodeUtf8 = function(string) {
+  var utf8String = unescape(encodeURIComponent(string));
+  var result = new Uint8Array(utf8String.length);
+  for (var i = 0; i < utf8String.length; i++)
+    result[i] = utf8String.charCodeAt(i);
+  return result.buffer;
+}
+
+/**
+  * Decodes UTF-8 string from ArrayBuffer.

[kelvinp, 2014/08/29 01:37:09]

same here

[Sergey Ulanov, 2014/08/29 23:40:29]

Done.

+  * @param {ArrayBuffer} buffer
+  * @return {string}
+  */
+base.decodeUtf8 = function(buffer) {
+  return decodeURIComponent(
+      escape(String.fromCharCode.apply(null, new Uint8Array(buffer))));
+}