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+/* ***** 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) 2007
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Atul Varma <atul@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";
+
+const {Cc,Ci} = require("chrome");
+
+function stringify(arg) {
+ try {
+ return String(arg);
+ }
+ catch(ex) {
+ return "<toString() error>";
+ }
+}
+
+function stringifyArgs(args) {
+ return Array.map(args, stringify).join(" ");
+}
+
+function message(print, level, args) {
+ print(level + ": " + stringifyArgs(args) + "\n", level);
+}
+
+var Console = exports.PlainTextConsole = function PlainTextConsole(print) {
+ if (!print)
+ print = dump;
+ if (print === dump) {
+ // If we're just using dump(), auto-enable preferences so
+ // that the developer actually sees the console output.
+ var prefs = Cc["@mozilla.org/preferences-service;1"]
+ .getService(Ci.nsIPrefBranch);
+ prefs.setBoolPref("browser.dom.window.dump.enabled", true);
+ }
+ this.print = print;
+
+ // Binding all the public methods to an instance so that they can be used
+ // as callback / listener functions straightaway.
+ this.log = this.log.bind(this);
+ this.info = this.info.bind(this);
+ this.warn = this.warn.bind(this);
+ this.error = this.error.bind(this);
+ this.debug = this.debug.bind(this);
+ this.exception = this.exception.bind(this);
+ this.trace = this.trace.bind(this);
+};
+
+Console.prototype = {
+ log: function log() {
+ message(this.print, "info", arguments);
+ },
+
+ info: function info() {
+ message(this.print, "info", arguments);
+ },
+
+ warn: function warn() {
+ message(this.print, "warning", arguments);
+ },
+
+ error: function error() {
+ message(this.print, "error", arguments);
+ },
+
+ debug: function debug() {
+ message(this.print, "debug", arguments);
+ },
+
+ exception: function exception(e) {
+ var fullString = ("An exception occurred.\n" +
+ require("./traceback").format(e) + "\n" + e);
+ this.error(fullString);
+ },
+
+ trace: function trace() {
+ var traceback = require("./traceback");
+ var stack = traceback.get();
+ stack.splice(-1, 1);
+ message(this.print, "info", [traceback.format(stack)]);
+ }
+};