4 * This software is licensed under the MIT licence (as defined by the OSI at
5 * http://www.opensource.org/licenses/mit-license.php)
7 * ***************************************************************************
8 * Copyright (C) 2011 by Intel Corporation Ltd.
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
27 * ***************************************************************************
30 // Ensure that the given namespace is defined. If not, define it to be an empty object.
31 // This is kinda like the mkdir -p command.
33 var ensureNS = (function () {
34 var internalCache = {};
35 return function ensureNS (ns) { // name just for debugging purposes
36 var nsArr = ns.split(".").reverse(),
43 nsSoFar = nsSoFar + (nsSoFar.length > 0 ? "." : "") + leaf;
44 if (!internalCache[nsSoFar]) {
45 internalCache[nsSoFar] = true;
46 buffer += "!window." + nsSoFar + ' && (window.' + nsSoFar + " = {});\n";
49 buffer.length && (new Function(buffer))();