1/*
2 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
3 * Copyright (C) 2003-2007 Frederico Caldeira Knabben
4 *
5 * == BEGIN LICENSE ==
6 *
7 * Licensed under the terms of any of the following licenses at your
8 * choice:
9 *
10 *  - GNU General Public License Version 2 or later (the "GPL")
11 *    http://www.gnu.org/licenses/gpl.html
12 *
13 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
14 *    http://www.gnu.org/licenses/lgpl.html
15 *
16 *  - Mozilla Public License Version 1.1 or later (the "MPL")
17 *    http://www.mozilla.org/MPL/MPL-1.1.html
18 *
19 * == END LICENSE ==
20 *
21 * Extensions to the JavaScript Core.
22 *
23 * All custom extensions functions are PascalCased to differ from the standard
24 * camelCased ones.
25 */
26
27String.prototype.Contains = function( textToCheck )
28{
29	return ( this.indexOf( textToCheck ) > -1 ) ;
30}
31
32String.prototype.Equals = function()
33{
34	var aArgs = arguments ;
35
36	// The arguments could also be a single array.
37	if ( aArgs.length == 1 && aArgs[0].pop )
38		aArgs = aArgs[0] ;
39
40	for ( var i = 0 ; i < aArgs.length ; i++ )
41	{
42		if ( this == aArgs[i] )
43			return true ;
44	}
45	return false ;
46}
47
48String.prototype.IEquals = function()
49{
50	var thisUpper = this.toUpperCase() ;
51
52	var aArgs = arguments ;
53
54	// The arguments could also be a single array.
55	if ( aArgs.length == 1 && aArgs[0].pop )
56		aArgs = aArgs[0] ;
57
58	for ( var i = 0 ; i < aArgs.length ; i++ )
59	{
60		if ( thisUpper == aArgs[i].toUpperCase() )
61			return true ;
62	}
63	return false ;
64}
65
66String.prototype.ReplaceAll = function( searchArray, replaceArray )
67{
68	var replaced = this ;
69
70	for ( var i = 0 ; i < searchArray.length ; i++ )
71	{
72		replaced = replaced.replace( searchArray[i], replaceArray[i] ) ;
73	}
74
75	return replaced ;
76}
77
78String.prototype.StartsWith = function( value )
79{
80	return ( this.substr( 0, value.length ) == value ) ;
81}
82
83// Extends the String object, creating a "EndsWith" method on it.
84String.prototype.EndsWith = function( value, ignoreCase )
85{
86	var L1 = this.length ;
87	var L2 = value.length ;
88
89	if ( L2 > L1 )
90		return false ;
91
92	if ( ignoreCase )
93	{
94		var oRegex = new RegExp( value + '$' , 'i' ) ;
95		return oRegex.test( this ) ;
96	}
97	else
98		return ( L2 == 0 || this.substr( L1 - L2, L2 ) == value ) ;
99}
100
101String.prototype.Remove = function( start, length )
102{
103	var s = '' ;
104
105	if ( start > 0 )
106		s = this.substring( 0, start ) ;
107
108	if ( start + length < this.length )
109		s += this.substring( start + length , this.length ) ;
110
111	return s ;
112}
113
114String.prototype.Trim = function()
115{
116	// We are not using \s because we don't want "non-breaking spaces to be caught".
117	return this.replace( /(^[ \t\n\r]*)|([ \t\n\r]*$)/g, '' ) ;
118}
119
120String.prototype.LTrim = function()
121{
122	// We are not using \s because we don't want "non-breaking spaces to be caught".
123	return this.replace( /^[ \t\n\r]*/g, '' ) ;
124}
125
126String.prototype.RTrim = function()
127{
128	// We are not using \s because we don't want "non-breaking spaces to be caught".
129	return this.replace( /[ \t\n\r]*$/g, '' ) ;
130}
131
132String.prototype.ReplaceNewLineChars = function( replacement )
133{
134	return this.replace( /\n/g, replacement ) ;
135}
136
137String.prototype.Replace = function( regExp, replacement, thisObj )
138{
139	if ( typeof replacement == 'function' )
140	{
141		return this.replace( regExp,
142			function()
143			{
144				return replacement.apply( thisObj || this, arguments ) ;
145			} ) ;
146	}
147	else
148		return this.replace( regExp, replacement ) ;
149}
150
151Array.prototype.AddItem = function( item )
152{
153	var i = this.length ;
154	this[ i ] = item ;
155	return i ;
156}
157
158Array.prototype.IndexOf = function( value )
159{
160	for ( var i = 0 ; i < this.length ; i++ )
161	{
162		if ( this[i] == value )
163			return i ;
164	}
165	return -1 ;
166}
167