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: Components.utils.import("resource://gre/modules/Services.jsm");
michael@0: 
michael@0: this.EXPORTED_SYMBOLS = [
michael@0:   "parseKeyValuePairs",
michael@0:   "parseKeyValuePairsFromFile"
michael@0: ];
michael@0: 
michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: 
michael@0: this.parseKeyValuePairs = function parseKeyValuePairs(text) {
michael@0:   let lines = text.split('\n');
michael@0:   let data = {};
michael@0:   for (let i = 0; i < lines.length; i++) {
michael@0:     if (lines[i] == '')
michael@0:       continue;
michael@0: 
michael@0:     // can't just .split() because the value might contain = characters
michael@0:     let eq = lines[i].indexOf('=');
michael@0:     if (eq != -1) {
michael@0:       let [key, value] = [lines[i].substring(0, eq),
michael@0:                           lines[i].substring(eq + 1)];
michael@0:       if (key && value)
michael@0:         data[key] = value.replace(/\\n/g, "\n").replace(/\\\\/g, "\\");
michael@0:     }
michael@0:   }
michael@0:   return data;
michael@0: }
michael@0: 
michael@0: this.parseKeyValuePairsFromFile = function parseKeyValuePairsFromFile(file) {
michael@0:   let fstream = Cc["@mozilla.org/network/file-input-stream;1"].
michael@0:                 createInstance(Ci.nsIFileInputStream);
michael@0:   fstream.init(file, -1, 0, 0);
michael@0:   let is = Cc["@mozilla.org/intl/converter-input-stream;1"].
michael@0:            createInstance(Ci.nsIConverterInputStream);
michael@0:   is.init(fstream, "UTF-8", 1024, Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);
michael@0:   let str = {};
michael@0:   let contents = '';
michael@0:   while (is.readString(4096, str) != 0) {
michael@0:     contents += str.value;
michael@0:   }
michael@0:   is.close();
michael@0:   fstream.close();
michael@0:   return parseKeyValuePairs(contents);
michael@0: }