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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* Some common, generic functions
*/
try {
var Cc = Components.classes;
var Ci = Components.interfaces;
} catch (e) { ddump(e); } // if already declared, as in xpcshell-tests
try {
var Cu = Components.utils;
} catch (e) { ddump(e); }
Cu.import("resource:///modules/errUtils.js");
/**
* Create a subtype
*/
function extend(child, supertype)
{
child.prototype.__proto__ = supertype.prototype;
}
function assert(test, errorMsg)
{
if (!test)
throw new NotReached(errorMsg ? errorMsg :
"Programming bug. Assertion failed, see log.");
}
function makeCallback(obj, func)
{
return function()
{
return func.apply(obj, arguments);
}
}
/**
* @param bundleURI {String} chrome URL to properties file
* @return nsIStringBundle
*/
function getStringBundle(bundleURI)
{
try {
return Cc["@mozilla.org/intl/stringbundle;1"]
.getService(Ci.nsIStringBundleService)
.createBundle(bundleURI);
} catch (e) {
throw new Exception("Failed to get stringbundle URI <" + bundleURI +
">. Error: " + e);
}
}
function Exception(msg)
{
this._message = msg;
// get stack
try {
not.found.here += 1; // force a native exception ...
} catch (e) {
this.stack = e.stack; // ... to get the current stack
}
}
Exception.prototype =
{
get message()
{
return this._message;
},
toString : function()
{
return this._message;
}
}
function NotReached(msg)
{
Exception.call(this, msg);
logException(this);
}
extend(NotReached, Exception);
function deepCopy(org)
{
if (typeof(org) == "undefined")
return undefined;
if (org == null)
return null;
if (typeof(org) == "string")
return org;
if (typeof(org) == "number")
return org;
if (typeof(org) == "boolean")
return org == true;
if (typeof(org) == "function")
return org;
if (typeof(org) != "object")
throw "can't copy objects of type " + typeof(org) + " yet";
//TODO still instanceof org != instanceof copy
//var result = new org.constructor();
var result = new Object();
if (typeof(org.length) != "undefined")
var result = new Array();
for (var prop in org)
result[prop] = deepCopy(org[prop]);
return result;
}
let kDebug = false;
function ddump(text)
{
if (kDebug)
dump(text + "\n");
}
function debugObject(obj, name, maxDepth, curDepth)
{
if (curDepth == undefined)
curDepth = 0;
if (maxDepth != undefined && curDepth > maxDepth)
return "";
var result = "";
var i = 0;
for (let prop in obj)
{
i++;
try {
if (typeof(obj[prop]) == "object")
{
if (obj[prop] && obj[prop].length != undefined)
result += name + "." + prop + "=[probably array, length " +
obj[prop].length + "]\n";
else
result += name + "." + prop + "=[" + typeof(obj[prop]) + "]\n";
result += debugObject(obj[prop], name + "." + prop,
maxDepth, curDepth + 1);
}
else if (typeof(obj[prop]) == "function")
result += name + "." + prop + "=[function]\n";
else
result += name + "." + prop + "=" + obj[prop] + "\n";
} catch (e) {
result += name + "." + prop + "-> Exception(" + e + ")\n";
}
}
if (!i)
result += name + " is empty\n";
return result;
}
function alertPrompt(alertTitle, alertMsg)
{
Cc["@mozilla.org/embedcomp/prompt-service;1"]
.getService(Ci.nsIPromptService)
.alert(window, alertTitle, alertMsg);
}
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