mirror of
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100 lines
3.7 KiB
JavaScript
100 lines
3.7 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Joe Hewitt <hewitt@netscape.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/***************************************************************
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* DiskSearch -------------------------------------------------
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* A utility for handily searching the disk for files matching
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* a certain criteria.
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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* REQUIRED IMPORTS:
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****************************************************************/
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//////////// global variables /////////////////////
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//////////// global constants ////////////////////
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////////////////////////////////////////////////////////////////////////////
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//// class DiskSearch
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var DiskSearch =
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{
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findFiles: function(aRootDir, aExtList, aRecurse)
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{
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// has the file extensions so we don't have to
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// linear search the array every time through
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var extHash = {};
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for (var i = 0; i < aExtList.length; i++) {
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extHash[aExtList[i]] = true;
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}
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var ios = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
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this.fileHandler = ios.getProtocolHandler("file").QueryInterface(Components.interfaces.nsIFileProtocolHandler);
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// recursively build the list of results
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var results = [];
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this.recurseDir(aRootDir, extHash, aRecurse, results);
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return results;
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},
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recurseDir: function(aDir, aExtHash, aRecurse, aResults)
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{
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debug("("+aResults.length+") entering " + aDir.path + "\n");
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var entries = aDir.directoryEntries;
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var entry, ext;
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while (entries.hasMoreElements()) {
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entry = XPCU.QI(entries.getNext(), "nsIFile");
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if (aRecurse && entry.isDirectory())
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this.recurseDir(entry, aExtHash, aRecurse, aResults);
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ext = this.getExtension(entry.leafName);
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if (ext) {
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if (aExtHash[ext])
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aResults.push(this.fileHandler.getURLSpecFromFile(entry));
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}
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}
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},
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getExtension: function(aFileName)
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{
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var dotpt = aFileName.lastIndexOf(".");
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if (dotpt)
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return aFileName.substr(dotpt+1).toLowerCase();
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return null;
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}
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};
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