[Sommaire] [Imprimer]

   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   * File Name: fckcodeformatter.js
  22   *     Format the HTML.
  23   * 
  24   * File Authors:
  25   *         Frederico Caldeira Knabben (www.fckeditor.net)
  26   */
  27  
  28  var FCKCodeFormatter = new Object() ;
  29  
  30  FCKCodeFormatter.Init = function()
  31  {
  32      var oRegex = this.Regex = new Object() ;
  33  
  34      // Regex for line breaks.
  35      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 ;
  36      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 ;
  37  
  38      oRegex.NewLineTags    = /\<(BR|HR)[^\>]*\>/gi ;
  39  
  40      oRegex.MainTags = /\<\/?(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR)[^\>]*\>/gi ;
  41  
  42      oRegex.LineSplitter = /\s*\n+\s*/g ;
  43  
  44      // Regex for indentation.
  45      oRegex.IncreaseIndent = /^\<(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL)[ \/\>]/i ;
  46      oRegex.DecreaseIndent = /^\<\/(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL)[ \>]/i ;
  47      oRegex.FormatIndentatorRemove = new RegExp( '^' + FCKConfig.FormatIndentator ) ;
  48  
  49      oRegex.ProtectedTags = /(<PRE[^>]*>)([\s\S]*?)(<\/PRE>)/gi ;
  50  }
  51  
  52  FCKCodeFormatter._ProtectData = function( outer, opener, data, closer )
  53  {
  54      return opener + '___FCKpd___' + FCKCodeFormatter.ProtectedData.AddItem( data ) + closer ;
  55  }
  56  
  57  FCKCodeFormatter.Format = function( html )
  58  {
  59      if ( !this.Regex )
  60          this.Init() ;
  61  
  62      // Protected content that remain untouched during the
  63      // process go in the following array.
  64      FCKCodeFormatter.ProtectedData = new Array() ;
  65      
  66      var sFormatted = html.replace( this.Regex.ProtectedTags, FCKCodeFormatter._ProtectData ) ;
  67      
  68      // Line breaks.
  69      sFormatted        = sFormatted.replace( this.Regex.BlocksOpener, '\n$&' ) ;
  70      sFormatted        = sFormatted.replace( this.Regex.BlocksCloser, '$&\n' ) ;
  71      sFormatted        = sFormatted.replace( this.Regex.NewLineTags, '$&\n' ) ;
  72      sFormatted        = sFormatted.replace( this.Regex.MainTags, '\n$&\n' ) ;
  73  
  74      // Indentation.
  75      var sIndentation = '' ;
  76      
  77      var asLines = sFormatted.split( this.Regex.LineSplitter ) ;
  78      sFormatted = '' ;
  79      
  80      for ( var i = 0 ; i < asLines.length ; i++ )
  81      {
  82          var sLine = asLines[i] ;
  83          
  84          if ( sLine.length == 0 )
  85              continue ;
  86          
  87          if ( this.Regex.DecreaseIndent.test( sLine ) )
  88              sIndentation = sIndentation.replace( this.Regex.FormatIndentatorRemove, '' ) ;
  89  
  90          sFormatted += sIndentation + sLine + '\n' ;
  91          
  92          if ( this.Regex.IncreaseIndent.test( sLine ) )
  93              sIndentation += FCKConfig.FormatIndentator ;
  94      }
  95      
  96      // Now we put back the protected data.
  97      for ( var j = 0 ; j < FCKCodeFormatter.ProtectedData.length ; j++ )
  98      {
  99          var oRegex = new RegExp( '___FCKpd___' + j ) ;
 100          sFormatted = sFormatted.replace( oRegex, FCKCodeFormatter.ProtectedData[j].replace( /\$/g, '$$$$' ) ) ;
 101      }
 102  
 103      return sFormatted.Trim() ;
 104  }