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Diffstat (limited to 'tools/addon-sdk-1.3/packages/api-utils/lib/shims.js')
-rw-r--r-- | tools/addon-sdk-1.3/packages/api-utils/lib/shims.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.3/packages/api-utils/lib/shims.js b/tools/addon-sdk-1.3/packages/api-utils/lib/shims.js new file mode 100644 index 0000000..13713b9 --- /dev/null +++ b/tools/addon-sdk-1.3/packages/api-utils/lib/shims.js @@ -0,0 +1,53 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Jetpack. + * + * The Initial Developer of the Original Code is Mozilla + * Portions created by the Initial Developer are Copyright (C) 2010 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Irakli Gozalishvili <gozala@mozilla.com> + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +"use strict"; + +// Override the default Iterator function with one that passes +// a second argument to custom iterator methods that identifies +// the call as originating from an Iterator function so the custom +// iterator method can return [key, value] pairs just like default +// iterators called via the default Iterator function. + +"use strict"; + +Iterator = (function(DefaultIterator) { + return function Iterator(obj, keysOnly) { + if ("__iterator__" in obj && !keysOnly) + return obj.__iterator__.call(obj, false, true); + return DefaultIterator(obj, keysOnly); + }; +})(Iterator); |