michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, you can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: var EXPORTED_SYMBOLS = ['listDirectory', 'getFileForPath', 'abspath', 'getPlatform'];
michael@0: 
michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: const Cu = Components.utils;
michael@0: 
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: function listDirectory(file) {
michael@0:   // file is the given directory (nsIFile)
michael@0:   var entries = file.directoryEntries;
michael@0:   var array = [];
michael@0: 
michael@0:   while (entries.hasMoreElements()) {
michael@0:     var entry = entries.getNext();
michael@0:     entry.QueryInterface(Ci.nsIFile);
michael@0:     array.push(entry);
michael@0:   }
michael@0: 
michael@0:   return array;
michael@0: }
michael@0: 
michael@0: function getFileForPath(path) {
michael@0:   var file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
michael@0:   file.initWithPath(path);
michael@0:   return file;
michael@0: }
michael@0: 
michael@0: function abspath(rel, file) {
michael@0:   var relSplit = rel.split('/');
michael@0: 
michael@0:   if (relSplit[0] == '..' && !file.isDirectory()) {
michael@0:     file = file.parent;
michael@0:   }
michael@0: 
michael@0:   for each(var p in relSplit) {
michael@0:     if (p == '..') {
michael@0:       file = file.parent;
michael@0:     } else if (p == '.') {
michael@0:       if (!file.isDirectory()) {
michael@0:         file = file.parent;
michael@0:       }
michael@0:     } else {
michael@0:       file.append(p);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return file.path;
michael@0: }
michael@0: 
michael@0: function getPlatform() {
michael@0:   return Services.appinfo.OS.toLowerCase();
michael@0: }