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