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+/*
+ * FCKeditor - The text editor for Internet - http://www.fckeditor.net
+ * Copyright (C) 2003-2009 Frederico Caldeira Knabben
+ *
+ * == BEGIN LICENSE ==
+ *
+ * Licensed under the terms of any of the following licenses at your
+ * choice:
+ *
+ * - GNU General Public License Version 2 or later (the "GPL")
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
+ * http://www.gnu.org/licenses/lgpl.html
+ *
+ * - Mozilla Public License Version 1.1 or later (the "MPL")
+ * http://www.mozilla.org/MPL/MPL-1.1.html
+ *
+ * == END LICENSE ==
+ *
+ * Format the HTML.
+ */
+
+var FCKCodeFormatter = new Object() ;
+
+FCKCodeFormatter.Init = function()
+{
+ var oRegex = this.Regex = new Object() ;
+
+ // Regex for line breaks.
+ oRegex.BlocksOpener = /\<(P|DIV|H1|H2|H3|H4|H5|H6|ADDRESS|PRE|OL|UL|LI|DL|DT|DD|TITLE|META|LINK|BASE|SCRIPT|LINK|TD|TH|AREA|OPTION)[^\>]*\>/gi ;
+ oRegex.BlocksCloser = /\<\/(P|DIV|H1|H2|H3|H4|H5|H6|ADDRESS|PRE|OL|UL|LI|DL|DT|DD|TITLE|META|LINK|BASE|SCRIPT|LINK|TD|TH|AREA|OPTION)[^\>]*\>/gi ;
+
+ oRegex.NewLineTags = /\<(BR|HR)[^\>]*\>/gi ;
+
+ oRegex.MainTags = /\<\/?(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR)[^\>]*\>/gi ;
+
+ oRegex.LineSplitter = /\s*\n+\s*/g ;
+
+ // Regex for indentation.
+ oRegex.IncreaseIndent = /^\<(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL|DL)[ \/\>]/i ;
+ oRegex.DecreaseIndent = /^\<\/(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL|DL)[ \>]/i ;
+ oRegex.FormatIndentatorRemove = new RegExp( '^' + FCKConfig.FormatIndentator ) ;
+
+ oRegex.ProtectedTags = /(<PRE[^>]*>)([\s\S]*?)(<\/PRE>)/gi ;
+}
+
+FCKCodeFormatter._ProtectData = function( outer, opener, data, closer )
+{
+ return opener + '___FCKpd___' + ( FCKCodeFormatter.ProtectedData.push( data ) - 1 ) + closer ;
+}
+
+FCKCodeFormatter.Format = function( html )
+{
+ if ( !this.Regex )
+ this.Init() ;
+
+ // Protected content that remain untouched during the
+ // process go in the following array.
+ FCKCodeFormatter.ProtectedData = new Array() ;
+
+ var sFormatted = html.replace( this.Regex.ProtectedTags, FCKCodeFormatter._ProtectData ) ;
+
+ // Line breaks.
+ sFormatted = sFormatted.replace( this.Regex.BlocksOpener, '\n$&' ) ;
+ sFormatted = sFormatted.replace( this.Regex.BlocksCloser, '$&\n' ) ;
+ sFormatted = sFormatted.replace( this.Regex.NewLineTags, '$&\n' ) ;
+ sFormatted = sFormatted.replace( this.Regex.MainTags, '\n$&\n' ) ;
+
+ // Indentation.
+ var sIndentation = '' ;
+
+ var asLines = sFormatted.split( this.Regex.LineSplitter ) ;
+ sFormatted = '' ;
+
+ for ( var i = 0 ; i < asLines.length ; i++ )
+ {
+ var sLine = asLines[i] ;
+
+ if ( sLine.length == 0 )
+ continue ;
+
+ if ( this.Regex.DecreaseIndent.test( sLine ) )
+ sIndentation = sIndentation.replace( this.Regex.FormatIndentatorRemove, '' ) ;
+
+ sFormatted += sIndentation + sLine + '\n' ;
+
+ if ( this.Regex.IncreaseIndent.test( sLine ) )
+ sIndentation += FCKConfig.FormatIndentator ;
+ }
+
+ // Now we put back the protected data.
+ for ( var j = 0 ; j < FCKCodeFormatter.ProtectedData.length ; j++ )
+ {
+ var oRegex = new RegExp( '___FCKpd___' + j ) ;
+ sFormatted = sFormatted.replace( oRegex, FCKCodeFormatter.ProtectedData[j].replace( /\$/g, '$$$$' ) ) ;
+ }
+
+ return sFormatted.Trim() ;
+}