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/*
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* FCKeditor - The text editor for internet
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* Copyright (C) 2003-2006 Frederico Caldeira Knabben
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*
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* Licensed under the terms of the GNU Lesser General Public License:
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* http://www.opensource.org/licenses/lgpl-license.php
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*
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* For further information visit:
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* http://www.fckeditor.net/
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*
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* "Support Open Source software. What about a donation today?"
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*
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* File Name: fckcodeformatter.js
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* Format the HTML.
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*
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* File Authors:
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* Frederico Caldeira Knabben (fredck@fckeditor.net)
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*/
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var FCKCodeFormatter = new Object() ;
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FCKCodeFormatter.Init = function()
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{
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var oRegex = this.Regex = new Object() ;
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// Regex for line breaks.
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oRegex.BlocksOpener = /\<(P|DIV|H1|H2|H3|H4|H5|H6|ADDRESS|PRE|OL|UL|LI|TITLE|META|LINK|BASE|SCRIPT|LINK|TD|TH|AREA|OPTION)[^\>]*\>/gi ;
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oRegex.BlocksCloser = /\<\/(P|DIV|H1|H2|H3|H4|H5|H6|ADDRESS|PRE|OL|UL|LI|TITLE|META|LINK|BASE|SCRIPT|LINK|TD|TH|AREA|OPTION)[^\>]*\>/gi ;
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oRegex.NewLineTags = /\<(BR|HR)[^\>]*\>/gi ;
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oRegex.MainTags = /\<\/?(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR)[^\>]*\>/gi ;
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oRegex.LineSplitter = /\s*\n+\s*/g ;
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// Regex for indentation.
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oRegex.IncreaseIndent = /^\<(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL)[ \/\>]/i ;
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oRegex.DecreaseIndent = /^\<\/(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL)[ \>]/i ;
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oRegex.FormatIndentatorRemove = new RegExp( '^' + FCKConfig.FormatIndentator ) ;
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oRegex.ProtectedTags = /(<PRE[^>]*>)([\s\S]*?)(<\/PRE>)/gi ;
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}
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FCKCodeFormatter._ProtectData = function( outer, opener, data, closer )
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{
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return opener + '___FCKpd___' + FCKCodeFormatter.ProtectedData.AddItem( data ) + closer ;
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}
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FCKCodeFormatter.Format = function( html )
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{
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if ( !this.Regex )
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this.Init() ;
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// Protected content that remain untouched during the
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// process go in the following array.
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FCKCodeFormatter.ProtectedData = new Array() ;
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var sFormatted = html.replace( this.Regex.ProtectedTags, FCKCodeFormatter._ProtectData ) ;
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// Line breaks.
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sFormatted = sFormatted.replace( this.Regex.BlocksOpener, '\n$&' ) ; ;
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sFormatted = sFormatted.replace( this.Regex.BlocksCloser, '$&\n' ) ;
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sFormatted = sFormatted.replace( this.Regex.NewLineTags, '$&\n' ) ;
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sFormatted = sFormatted.replace( this.Regex.MainTags, '\n$&\n' ) ;
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// Indentation.
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var sIndentation = '' ;
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var asLines = sFormatted.split( this.Regex.LineSplitter ) ;
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sFormatted = '' ;
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for ( var i = 0 ; i < asLines.length ; i++ )
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{
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var sLine = asLines[i] ;
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if ( sLine.length == 0 )
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continue ;
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if ( this.Regex.DecreaseIndent.test( sLine ) )
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sIndentation = sIndentation.replace( this.Regex.FormatIndentatorRemove, '' ) ;
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sFormatted += sIndentation + sLine + '\n' ;
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if ( this.Regex.IncreaseIndent.test( sLine ) )
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sIndentation += FCKConfig.FormatIndentator ;
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}
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// Now we put back the protected data.
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for ( var i = 0 ; i < FCKCodeFormatter.ProtectedData.length ; i++ )
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{
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var oRegex = new RegExp( '___FCKpd___' + i ) ;
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sFormatted = sFormatted.replace( oRegex, FCKCodeFormatter.ProtectedData[i].replace( /\$/g, '$$$$' ) ) ;
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}
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return sFormatted.trim() ;
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}
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