gecko-dev/extensions/irc/js/lib/utils.js

1277 lines
32 KiB
JavaScript

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** 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 JSIRC Library.
*
* The Initial Developer of the Original Code is
* New Dimensions Consulting, Inc.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Robert Ginda, rginda@ndcico.com, original author
*
* 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 ***** */
var utils = new Object();
var DEBUG = true;
var dd, warn, TEST, ASSERT;
if (DEBUG) {
var _dd_pfx = "";
var _dd_singleIndent = " ";
var _dd_indentLength = _dd_singleIndent.length;
var _dd_currentIndent = "";
var _dd_lastDumpWasOpen = false;
var _dd_timeStack = new Array();
var _dd_disableDepth = Number.MAX_VALUE;
var _dd_currentDepth = 0;
dd = function _dd(str) {
if (typeof str != "string") {
dump(str + "\n");
} else if (str == "") {
dump("<empty-string>\n");
} else if (str[str.length - 1] == "{") {
++_dd_currentDepth;
if (_dd_currentDepth >= _dd_disableDepth)
return;
if (str.indexOf("OFF") == 0)
_dd_disableDepth = _dd_currentDepth;
_dd_timeStack.push (new Date());
if (_dd_lastDumpWasOpen)
dump("\n");
dump (_dd_pfx + _dd_currentIndent + str);
_dd_currentIndent += _dd_singleIndent;
_dd_lastDumpWasOpen = true;
} else if (str[0] == "}") {
if (--_dd_currentDepth >= _dd_disableDepth)
return;
_dd_disableDepth = Number.MAX_VALUE;
var sufx = (new Date() - _dd_timeStack.pop()) / 1000 + " sec";
_dd_currentIndent =
_dd_currentIndent.substr(0, _dd_currentIndent.length -
_dd_indentLength);
if (_dd_lastDumpWasOpen)
dump(str + " " + sufx + "\n");
else
dump(_dd_pfx + _dd_currentIndent + str + " " +
sufx + "\n");
_dd_lastDumpWasOpen = false;
} else {
if (_dd_currentDepth >= _dd_disableDepth)
return;
if (_dd_lastDumpWasOpen)
dump("\n");
dump(_dd_pfx + _dd_currentIndent + str + "\n");
_dd_lastDumpWasOpen = false;
}
}
warn = function (msg) { dd("** WARNING " + msg + " **"); }
TEST = ASSERT = function _assert(expr, msg) {
if (!expr) {
var m = "** ASSERTION FAILED: " + msg + " **\n" +
getStackTrace();
try {
alert(m);
} catch(ex) {}
dd(m);
return false;
} else {
return true;
}
}
} else {
dd = warn = TEST = ASSERT = function (){};
}
var jsenv = new Object();
jsenv.HAS_SECURITYMANAGER = ((typeof netscape == "object") &&
(typeof netscape.security == "object"));
jsenv.HAS_XPCOM = ((typeof Components == "object") &&
(typeof Components.classes == "object"));
jsenv.HAS_JAVA = (typeof java == "object");
jsenv.HAS_RHINO = (typeof defineClass == "function");
jsenv.HAS_DOCUMENT = (typeof document == "object");
jsenv.HAS_NSPR_EVENTQ = jsenv.HAS_DOCUMENT;
jsenv.HAS_STREAM_PROVIDER = ("nsIStreamProvider" in Components.interfaces);
jsenv.HAS_SERVER_SOCKETS = ("nsIServerSocket" in Components.interfaces);
jsenv.HAS_THREAD_MANAGER = ("nsIThreadManager" in Components.interfaces);
function dumpObject (o, pfx, sep)
{
var p;
var s = "";
sep = (typeof sep == "undefined") ? " = " : sep;
pfx = (typeof pfx == "undefined") ? "" : pfx;
for (p in o)
{
if (typeof (o[p]) != "function")
s += pfx + p + sep + o[p] + "\n";
else
s += pfx + p + sep + "function\n";
}
return s;
}
/* Dumps an object in tree format, recurse specifiec the the number of objects
* to recurse, compress is a boolean that can uncompress (true) the output
* format, and level is the number of levels to intitialy indent (only useful
* internally.) A sample dumpObjectTree (o, 1) is shown below.
*
* + parent (object)
* + users (object)
* | + jsbot (object)
* | + mrjs (object)
* | + nakkezzzz (object)
* | *
* + bans (object)
* | *
* + topic (string) 'ircclient.js:59: nothing is not defined'
* + getUsersLength (function) 9 lines
* *
*/
function dumpObjectTree (o, recurse, compress, level)
{
var s = "";
var pfx = "";
if (typeof recurse == "undefined")
recurse = 0;
if (typeof level == "undefined")
level = 0;
if (typeof compress == "undefined")
compress = true;
for (var i = 0; i < level; i++)
pfx += (compress) ? "| " : "| ";
var tee = (compress) ? "+ " : "+- ";
for (i in o)
{
var t, ex;
try
{
t = typeof o[i];
}
catch (ex)
{
t = "ERROR";
}
switch (t)
{
case "function":
var sfunc = String(o[i]).split("\n");
if (sfunc[2] == " [native code]")
sfunc = "[native code]";
else
if (sfunc.length == 1)
sfunc = String(sfunc);
else
sfunc = sfunc.length + " lines";
s += pfx + tee + i + " (function) " + sfunc + "\n";
break;
case "object":
s += pfx + tee + i + " (object)";
if (o[i] == null)
{
s += " null\n";
break;
}
s += "\n";
if (!compress)
s += pfx + "|\n";
if ((i != "parent") && (recurse))
s += dumpObjectTree (o[i], recurse - 1,
compress, level + 1);
break;
case "string":
if (o[i].length > 200)
s += pfx + tee + i + " (" + t + ") " +
o[i].length + " chars\n";
else
s += pfx + tee + i + " (" + t + ") '" + o[i] + "'\n";
break;
case "ERROR":
s += pfx + tee + i + " (" + t + ") ?\n";
break;
default:
s += pfx + tee + i + " (" + t + ") " + o[i] + "\n";
}
if (!compress)
s += pfx + "|\n";
}
s += pfx + "*\n";
return s;
}
function ecmaEscape(str)
{
function replaceNonPrintables(ch)
{
var rv = ch.charCodeAt().toString(16);
if (rv.length == 1)
rv = "0" + rv;
else if (rv.length == 3)
rv = "u0" + rv;
else if (rv.length == 4)
rv = "u" + rv;
return "%" + rv;
};
// Replace any character that is not in the 69 character set
// [ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@*_+-./]
// with an escape sequence. Two digit sequences in the form %XX are used
// for characters whose codepoint is less than 255, %uXXXX for all others.
// See section B.2.1 of ECMA-262 rev3 for more information.
return str.replace(/[^A-Za-z0-9@*_+.\-\/]/g, replaceNonPrintables);
}
function ecmaUnescape(str)
{
function replaceEscapes(seq)
{
var ary = seq.match(/([\da-f]{1,2})(.*)|u([\da-f]{1,4})/i);
if (!ary)
return "<ERROR>";
var rv;
if (ary[1])
{
// two digit escape, possibly with cruft after
rv = String.fromCharCode(parseInt(ary[1], 16)) + ary[2];
}
else
{
// four digits, no cruft
rv = String.fromCharCode(parseInt(ary[3], 16));
}
return rv;
};
// Replace the escape sequences %X, %XX, %uX, %uXX, %uXXX, and %uXXXX with
// the characters they represent, where X is a hexadecimal digit.
// See section B.2.2 of ECMA-262 rev3 for more information.
return str.replace(/%u?([\da-f]{1,4})/ig, replaceEscapes);
}
function replaceVars(str, vars)
{
// replace "string $with a $variable", with
// "string " + vars["with"] + " with a " + vars["variable"]
function doReplace(symbol)
{
var name = symbol.substr(1);
if (name in vars)
return vars[name];
return "$" + name;
};
return str.replace(/(\$\w[\w\d\-]+)/g, doReplace);
}
function formatException(ex)
{
if (isinstance(ex, Error))
{
return getMsg(MSG_FMT_JSEXCEPTION, [ex.name, ex.message, ex.fileName,
ex.lineNumber]);
}
if ((typeof ex == "object") && ("filename" in ex))
{
return getMsg(MSG_FMT_JSEXCEPTION, [ex.name, ex.message, ex.filename,
ex.lineNumber]);
}
return String(ex);
}
/*
* Clones an existing object (Only the enumerable properties
* of course.) use as a function..
* var c = Clone (obj);
* or a constructor...
* var c = new Clone (obj);
*/
function Clone (obj)
{
var robj = new Object();
if ("__proto__" in obj)
{
// Special clone for Spidermonkey.
for (var p in obj)
{
if (obj.hasOwnProperty(p))
robj[p] = obj[p];
}
robj.__proto__ = obj.__proto__;
}
else
{
for (var p in obj)
robj[p] = obj[p];
}
return robj;
}
function Copy(source, dest, overwrite)
{
if (!dest)
dest = new Object();
for (var p in source)
{
if (overwrite || !(p in dest))
dest[p] = source[p];
}
return dest;
}
/*
* matches a real object against one or more pattern objects.
* if you pass an array of pattern objects, |negate| controls whether to check
* if the object matches ANY of the patterns, or NONE of the patterns.
*/
function matchObject (o, pattern, negate)
{
negate = Boolean(negate);
function _match (o, pattern)
{
if (pattern instanceof Function)
return pattern(o);
for (p in pattern)
{
var val;
/* nice to have, but slow as molases, allows you to match
* properties of objects with obj$prop: "foo" syntax */
/*
if (p[0] == "$")
val = eval ("o." +
p.substr(1,p.length).replace (/\$/g, "."));
else
*/
val = o[p];
if (pattern[p] instanceof Function)
{
if (!pattern[p](val))
return false;
}
else
{
var ary = (new String(val)).match(pattern[p]);
if (ary == null)
return false;
else
o.matchresult = ary;
}
}
return true;
}
if (!(pattern instanceof Array))
return Boolean (negate ^ _match(o, pattern));
for (var i in pattern)
if (_match (o, pattern[i]))
return !negate;
return negate;
}
function utils_lcfn(text)
{
return text.toLowerCase();
}
function matchEntry (partialName, list, lcFn)
{
if ((typeof partialName == "undefined") ||
(String(partialName) == ""))
{
var ary = new Array();
for (var i in list)
ary.push(i);
return ary;
}
if (typeof lcFn != "function")
lcFn = utils_lcfn;
ary = new Array();
for (i in list)
{
if (lcFn(list[i]).indexOf(lcFn(partialName)) == 0)
ary.push(i);
}
return ary;
}
function encodeChar(ch)
{
return "%" + ch.charCodeAt(0).toString(16);
}
function escapeFileName(fileName)
{
return fileName.replace(/[^\w\d.,#\-_%]/g, encodeChar);
}
function getCommonPfx (list, lcFn)
{
var pfx = list[0];
var l = list.length;
if (typeof lcFn != "function")
lcFn = utils_lcfn;
for (var i = 0; i < l; i++)
{
for (var c = 0; c < pfx.length; ++c)
{
if (c >= list[i].length)
{
pfx = pfx.substr(0, c);
break;
}
else
{
if (lcFn(pfx[c]) != lcFn(list[i][c]))
pfx = pfx.substr(0, c);
}
}
}
return pfx;
}
function openTopWin (url)
{
return openDialog (getBrowserURL(), "_blank", "chrome,all,dialog=no", url);
}
function getWindowByType (windowType)
{
const MEDIATOR_CONTRACTID =
"@mozilla.org/appshell/window-mediator;1";
const nsIWindowMediator = Components.interfaces.nsIWindowMediator;
var windowManager =
Components.classes[MEDIATOR_CONTRACTID].getService(nsIWindowMediator);
return windowManager.getMostRecentWindow(windowType);
}
function renameProperty (obj, oldname, newname)
{
if (oldname == newname)
return;
obj[newname] = obj[oldname];
delete obj[oldname];
}
function newObject(contractID, iface)
{
if (!jsenv.HAS_XPCOM)
return null;
var rv;
var cls = Components.classes[contractID];
if (!cls)
return null;
switch (typeof iface)
{
case "undefined":
rv = cls.createInstance();
break;
case "string":
rv = cls.createInstance(Components.interfaces[iface]);
break;
case "object":
rv = cls.createInstance(iface);
break;
default:
rv = null;
break;
}
return rv;
}
function getService(contractID, iface)
{
if (!jsenv.HAS_XPCOM)
return null;
var rv;
var cls = Components.classes[contractID];
if (!cls)
return null;
switch (typeof iface)
{
case "undefined":
rv = cls.getService();
break;
case "string":
rv = cls.getService(Components.interfaces[iface]);
break;
case "object":
rv = cls.getService(iface);
break;
default:
rv = null;
break;
}
return rv;
}
function getContentWindow(frame)
{
try
{
if (!frame || !("contentWindow" in frame))
return false;
return frame.contentWindow;
}
catch (ex)
{
// throws exception is contentWindow is gone
return null;
}
}
function getPriv (priv)
{
if (!jsenv.HAS_SECURITYMANAGER)
return true;
var rv = true;
try
{
netscape.security.PrivilegeManager.enablePrivilege(priv);
}
catch (e)
{
dd ("getPriv: unable to get privlege '" + priv + "': " + e);
rv = false;
}
return rv;
}
function len(o)
{
var l = 0;
for (var p in o)
++l;
return l;
}
function keys (o)
{
var rv = new Array();
for (var p in o)
rv.push(p);
return rv;
}
function stringTrim (s)
{
if (!s)
return "";
s = s.replace (/^\s+/, "");
return s.replace (/\s+$/, "");
}
/* the offset should be in seconds, it will be rounded to 2 decimal places */
function formatDateOffset (offset, format)
{
var seconds = roundTo(offset % 60, 2);
var minutes = Math.floor(offset / 60);
var hours = Math.floor(minutes / 60);
minutes = minutes % 60;
var days = Math.floor(hours / 24);
hours = hours % 24;
if (!format)
{
var ary = new Array();
if (days == 1)
ary.push(MSG_DAY);
else if (days > 0)
ary.push(getMsg(MSG_DAYS, days));
if (hours == 1)
ary.push(MSG_HOUR);
else if (hours > 0)
ary.push(getMsg(MSG_HOURS, hours));
if (minutes == 1)
ary.push(MSG_MINUTE);
else if (minutes > 0)
ary.push(getMsg(MSG_MINUTES, minutes));
if (seconds == 1)
ary.push(MSG_SECOND);
else if (seconds > 0 || offset == 0)
ary.push(getMsg(MSG_SECONDS, seconds));
format = ary.join(", ");
}
else
{
format = format.replace ("%d", days);
format = format.replace ("%h", hours);
format = format.replace ("%m", minutes);
format = format.replace ("%s", seconds);
}
return format;
}
function arrayHasElementAt(ary, i)
{
return typeof ary[i] != "undefined";
}
function arrayContains (ary, elem)
{
return (arrayIndexOf (ary, elem) != -1);
}
function arrayIndexOf (ary, elem)
{
for (var i in ary)
if (ary[i] == elem)
return i;
return -1;
}
function arrayInsertAt (ary, i, o)
{
ary.splice (i, 0, o);
}
function arrayRemoveAt (ary, i)
{
ary.splice (i, 1);
}
/* length should be an even number >= 6 */
function abbreviateWord (str, length)
{
if (str.length <= length || length < 6)
return str;
var left = str.substr (0, (length / 2) - 1);
var right = str.substr (str.length - (length / 2) + 1);
return left + "..." + right;
}
/*
* Inserts the string |hyphen| into string |str| every |pos| characters.
* If there are any wordbreaking characters in |str| within -/+5 characters of
* of a |pos| then the hyphen is inserted there instead, in order to produce a
* "cleaner" break.
*/
function hyphenateWord (str, pos, hyphen)
{
if (str.length <= pos)
return str;
if (typeof hyphen == "undefined")
hyphen = " ";
/* search for a nice place to break the word, fuzzfactor of +/-5, centered
* around |pos| */
var splitPos =
str.substring(pos - 5, pos + 5).search(/[^A-Za-z0-9]/);
splitPos = (splitPos != -1) ? pos - 4 + splitPos : pos;
var left = str.substr (0, splitPos);
var right = hyphenateWord(str.substr (splitPos), pos, hyphen);
return left + hyphen + right;
}
/*
* Like hyphenateWord, except individual chunks of the word are returned as
* elements of an array.
*/
function splitLongWord (str, pos)
{
if (str.length <= pos)
return [str];
var ary = new Array();
var right = str;
while (right.length > pos)
{
/* search for a nice place to break the word, fuzzfactor of +/-5,
* centered around |pos| */
var splitPos =
right.substring(pos - 5, pos + 5).search(/[^A-Za-z0-9]/);
splitPos = (splitPos != -1) ? pos - 4 + splitPos : pos;
ary.push(right.substr (0, splitPos));
right = right.substr (splitPos);
}
ary.push (right);
return ary;
}
function getRandomElement (ary)
{
return ary[Math.floor(Math.random() * ary.length)];
}
function roundTo (num, prec)
{
return Math.round(num * Math.pow (10, prec)) / Math.pow (10, prec);
}
function randomRange (min, max)
{
if (typeof min == "undefined")
min = 0;
if (typeof max == "undefined")
max = 1;
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function getStackTrace ()
{
if (!jsenv.HAS_XPCOM)
return "No stack trace available.";
var frame = Components.stack.caller;
var str = "<top>";
while (frame)
{
var name = frame.name ? frame.name : "[anonymous]";
str += "\n" + name + "@" + frame.lineNumber;
frame = frame.caller;
}
return str;
}
function getInterfaces (cls)
{
if (!jsenv.HAS_XPCOM)
return null;
var rv = new Object();
var e;
for (var i in Components.interfaces)
{
try
{
var ifc = Components.interfaces[i];
cls.QueryInterface(ifc);
rv[i] = ifc;
}
catch (e)
{
/* nada */
}
}
return rv;
}
/**
* Calls a named function for each element in an array, sending
* the same parameter each call.
*
* @param ary an array of objects
* @param func_name string name of function to call.
* @param data data object to pass to each object.
*/
function mapObjFunc(ary, func_name, data)
{
/*
* WARNING: Caller assumes resonsibility to verify ary
* and func_name
*/
for (var i in ary)
ary[i][func_name](data);
}
/**
* Passes each element of an array to a given function object.
*
* @param func a function object.
* @param ary an array of values.
*/
function map(func, ary) {
/*
* WARNING: Caller assumnes responsibility to verify
* func and ary.
*/
for (var i in ary)
func(ary[i]);
}
function getSpecialDirectory(name)
{
if (!("directoryService" in utils))
{
const DS_CTR = "@mozilla.org/file/directory_service;1";
const nsIProperties = Components.interfaces.nsIProperties;
utils.directoryService =
Components.classes[DS_CTR].getService(nsIProperties);
}
return utils.directoryService.get(name, Components.interfaces.nsIFile);
}
function getFileFromURLSpec(url)
{
const nsIFileProtocolHandler = Components.interfaces.nsIFileProtocolHandler;
var service = getService("@mozilla.org/network/io-service;1",
"nsIIOService");
/* In sept 2002, bug 166792 moved this method to the nsIFileProtocolHandler
* interface, but we need to support older versions too. */
if ("getFileFromURLSpec" in service)
return service.getFileFromURLSpec(url);
/* In builds before 2002-08-15, there is no getFileFromURLSpec at all.
* Instead, we have nsIIOservice.initFileFromURLSpec(nsIFile, string).
*/
if ("initFileFromURLSpec" in service)
{
var file = newObject("@mozilla.org/file/local;1", "nsILocalFile");
service.initFileFromURLSpec(file, url);
return file;
}
var handler = service.getProtocolHandler("file");
handler = handler.QueryInterface(nsIFileProtocolHandler);
return handler.getFileFromURLSpec(url);
}
function getURLSpecFromFile (file)
{
if (!file)
return null;
const IOS_CTRID = "@mozilla.org/network/io-service;1";
const LOCALFILE_CTRID = "@mozilla.org/file/local;1";
const nsIIOService = Components.interfaces.nsIIOService;
const nsILocalFile = Components.interfaces.nsILocalFile;
if (typeof file == "string")
{
var fileObj =
Components.classes[LOCALFILE_CTRID].createInstance(nsILocalFile);
fileObj.initWithPath(file);
file = fileObj;
}
var service = Components.classes[IOS_CTRID].getService(nsIIOService);
/* In sept 2002, bug 166792 moved this method to the nsIFileProtocolHandler
* interface, but we need to support older versions too. */
if ("getURLSpecFromFile" in service)
return service.getURLSpecFromFile(file);
var nsIFileProtocolHandler = Components.interfaces.nsIFileProtocolHandler;
var fileHandler = service.getProtocolHandler("file");
fileHandler = fileHandler.QueryInterface(nsIFileProtocolHandler);
return fileHandler.getURLSpecFromFile(file);
}
function alert(msg, parent, title)
{
var PROMPT_CTRID = "@mozilla.org/embedcomp/prompt-service;1";
var nsIPromptService = Components.interfaces.nsIPromptService;
var ps = Components.classes[PROMPT_CTRID].getService(nsIPromptService);
if (!parent)
parent = window;
if (!title)
title = MSG_ALERT;
ps.alert (parent, title, msg);
}
function confirm(msg, parent, title)
{
var PROMPT_CTRID = "@mozilla.org/embedcomp/prompt-service;1";
var nsIPromptService = Components.interfaces.nsIPromptService;
var ps = Components.classes[PROMPT_CTRID].getService(nsIPromptService);
if (!parent)
parent = window;
if (!title)
title = MSG_CONFIRM;
return ps.confirm (parent, title, msg);
}
function confirmEx(msg, buttons, defaultButton, checkText,
checkVal, parent, title)
{
/* Note that on versions before Mozilla 0.9, using 3 buttons,
* the revert or dontsave button, or custom button titles will NOT work.
*
* The buttons should be listed in the 'accept', 'cancel' and 'extra' order,
* and the exact button order is host app- and platform-dependant.
* For example, on Windows this is usually [button 1] [button 3] [button 2],
* and on Linux [button 3] [button 2] [button 1].
*/
var PROMPT_CTRID = "@mozilla.org/embedcomp/prompt-service;1";
var nsIPromptService = Components.interfaces.nsIPromptService;
var ps = Components.classes[PROMPT_CTRID].getService(nsIPromptService);
var buttonConstants = {
ok: ps.BUTTON_TITLE_OK,
cancel: ps.BUTTON_TITLE_CANCEL,
yes: ps.BUTTON_TITLE_YES,
no: ps.BUTTON_TITLE_NO,
save: ps.BUTTON_TITLE_SAVE,
revert: ps.BUTTON_TITLE_REVERT,
dontsave: ps.BUTTON_TITLE_DONT_SAVE
};
var buttonFlags = 0;
var buttonText = [null, null, null];
if (!isinstance(buttons, Array))
throw "buttons parameter must be an Array";
if ((buttons.length < 1) || (buttons.length > 3))
throw "the buttons array must have 1, 2 or 3 elements";
for (var i = 0; i < buttons.length; i++)
{
var buttonFlag = ps.BUTTON_TITLE_IS_STRING;
if ((buttons[i][0] == "!") && (buttons[i].substr(1) in buttonConstants))
buttonFlag = buttonConstants[buttons[i].substr(1)];
else
buttonText[i] = buttons[i];
buttonFlags += ps["BUTTON_POS_" + i] * buttonFlag;
}
// ignore anything but a proper number
var defaultIsNumber = (typeof defaultButton == "number");
if (defaultIsNumber && arrayHasElementAt(buttons, defaultButton))
buttonFlags += ps["BUTTON_POS_" + defaultButton + "_DEFAULT"];
if (!parent)
parent = window;
if (!title)
title = MSG_CONFIRM;
if (!checkVal)
checkVal = new Object();
var rv = ps.confirmEx(parent, title, msg, buttonFlags, buttonText[0],
buttonText[1], buttonText[2], checkText, checkVal);
return rv;
}
function prompt(msg, initial, parent, title)
{
var PROMPT_CTRID = "@mozilla.org/embedcomp/prompt-service;1";
var nsIPromptService = Components.interfaces.nsIPromptService;
var ps = Components.classes[PROMPT_CTRID].getService(nsIPromptService);
if (!parent)
parent = window;
if (!title)
title = MSG_PROMPT;
var rv = { value: initial };
if (!ps.prompt (parent, title, msg, rv, null, {value: null}))
return null;
return rv.value;
}
function promptPassword(msg, initial, parent, title)
{
var PROMPT_CTRID = "@mozilla.org/embedcomp/prompt-service;1";
var nsIPromptService = Components.interfaces.nsIPromptService;
var ps = Components.classes[PROMPT_CTRID].getService(nsIPromptService);
if (!parent)
parent = window;
if (!title)
title = MSG_PROMPT;
var rv = { value: initial };
if (!ps.promptPassword (parent, title, msg, rv, null, {value: null}))
return null;
return rv.value;
}
function viewCert(cert, parent)
{
var cd = getService("@mozilla.org/nsCertificateDialogs;1",
"nsICertificateDialogs");
if (!parent)
parent = window;
cd.viewCert(parent, cert);
}
function getHostmaskParts(hostmask)
{
var rv;
// A bit cheeky this, we try the matches here, and then branch
// according to the ones we like.
var ary1 = hostmask.match(/(\S*)!(\S*)@(.*)/);
var ary2 = hostmask.match(/(\S*)@(.*)/);
var ary3 = hostmask.match(/(\S*)!(.*)/);
if (ary1)
rv = { nick: ary1[1], user: ary1[2], host: ary1[3] };
else if (ary2)
rv = { nick: "*", user: ary2[1], host: ary2[2] };
else if (ary3)
rv = { nick: ary3[1], user: ary3[2], host: "*" };
else
rv = { nick: hostmask, user: "*", host: "*" };
// Make sure we got something for all fields.
if (!rv.nick)
rv.nick = "*";
if (!rv.user)
rv.user = "*";
if (!rv.host)
rv.host = "*";
// And re-construct the 'parsed' hostmask.
rv.mask = rv.nick + "!" + rv.user + "@" + rv.host;
return rv;
}
function makeMaskRegExp(text)
{
function escapeChars(c)
{
if (c == "*")
return ".*";
if (c == "?")
return ".";
return "\\" + c;
}
// Anything that's not alpha-numeric gets escaped.
// "*" and "?" are 'escaped' to ".*" and ".".
// Optimisation; * translates as 'match all'.
return new RegExp("^" + text.replace(/[^\w\d]/g, escapeChars) + "$", "i");
}
function hostmaskMatches(user, mask)
{
// Need to match .nick, .user, and .host.
if (!("nickRE" in mask))
{
// We cache all the regexp objects, but use null if the term is
// just "*", so we can skip having the object *and* the .match
// later on.
if (mask.nick == "*")
mask.nickRE = null;
else
mask.nickRE = makeMaskRegExp(mask.nick);
if (mask.user == "*")
mask.userRE = null;
else
mask.userRE = makeMaskRegExp(mask.user);
if (mask.host == "*")
mask.hostRE = null;
else
mask.hostRE = makeMaskRegExp(mask.host);
}
var lowerNick;
if (user.TYPE == "IRCChanUser")
lowerNick = user.parent.parent.toLowerCase(user.unicodeName);
else
lowerNick = user.parent.toLowerCase(user.unicodeName);
if ((!mask.nickRE || lowerNick.match(mask.nickRE)) &&
(!mask.userRE || user.name.match(mask.userRE)) &&
(!mask.hostRE || user.host.match(mask.hostRE)))
return true;
return false;
}
function isinstance(inst, base)
{
/* Returns |true| if |inst| was constructed by |base|. Not 100% accurate,
* but plenty good enough for us. This is to work around the fix for bug
* 254067 which makes instanceof fail if the two sides are 'from'
* different windows (something we don't care about).
*/
return (inst && base &&
((inst instanceof base) ||
(inst.constructor && (inst.constructor.name == base.name))));
}
function scaleNumberBy1024(number)
{
var scale = 0;
while ((number >= 1000) && (scale < 6))
{
scale++;
number /= 1024;
}
return [scale, number];
}
function getSISize(size)
{
var data = scaleNumberBy1024(size);
if (data[1] < 10)
data[1] = data[1].toFixed(2);
else if (data[1] < 100)
data[1] = data[1].toFixed(1);
else
data[1] = data[1].toFixed(0);
return getMsg(MSG_SI_SIZE, [data[1], getMsg("msg.si.size." + data[0])]);
}
function getSISpeed(speed)
{
var data = scaleNumberBy1024(speed);
if (data[1] < 10)
data[1] = data[1].toFixed(2);
else if (data[1] < 100)
data[1] = data[1].toFixed(1);
else
data[1] = data[1].toFixed(0);
return getMsg(MSG_SI_SPEED, [data[1], getMsg("msg.si.speed." + data[0])]);
}
// Returns -1 if version 1 is newer, +1 if version 2 is newer, and 0 for same.
function compareVersions(ver1, ver2)
{
var ver1parts = ver1.split(".");
var ver2parts = ver2.split(".");
while ((ver1parts.length > 0) && (ver2parts.length > 0))
{
if (ver1parts[0] < ver2parts[0])
return 1;
if (ver1parts[0] > ver2parts[0])
return -1;
ver1parts.shift();
ver2parts.shift();
}
if (ver1parts.length > 0)
return -1;
if (ver2parts.length > 0)
return 1;
return 0;
}