1 | /*
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2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net
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3 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben
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4 | *
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5 | * == BEGIN LICENSE ==
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6 | *
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7 | * Licensed under the terms of any of the following licenses at your
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8 | * choice:
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9 | *
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10 | * - GNU General Public License Version 2 or later (the "GPL")
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11 | * http://www.gnu.org/licenses/gpl.html
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12 | *
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13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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14 | * http://www.gnu.org/licenses/lgpl.html
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15 | *
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16 | * - Mozilla Public License Version 1.1 or later (the "MPL")
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17 | * http://www.mozilla.org/MPL/MPL-1.1.html
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18 | *
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19 | * == END LICENSE ==
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20 | *
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21 | * Format the HTML.
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22 | */
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23 |
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24 | var FCKCodeFormatter = new Object() ;
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25 |
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26 | FCKCodeFormatter.Init = function()
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27 | {
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28 | var oRegex = this.Regex = new Object() ;
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29 |
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30 | // Regex for line breaks.
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31 | 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 ;
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32 | 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 ;
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33 |
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34 | oRegex.NewLineTags = /\<(BR|HR)[^\>]*\>/gi ;
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35 |
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36 | oRegex.MainTags = /\<\/?(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR)[^\>]*\>/gi ;
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37 |
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38 | oRegex.LineSplitter = /\s*\n+\s*/g ;
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39 |
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40 | // Regex for indentation.
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41 | oRegex.IncreaseIndent = /^\<(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL|DL)[ \/\>]/i ;
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42 | oRegex.DecreaseIndent = /^\<\/(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL|DL)[ \>]/i ;
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43 | oRegex.FormatIndentatorRemove = new RegExp( '^' + FCKConfig.FormatIndentator ) ;
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44 |
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45 | oRegex.ProtectedTags = /(<PRE[^>]*>)([\s\S]*?)(<\/PRE>)/gi ;
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46 | }
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47 |
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48 | FCKCodeFormatter._ProtectData = function( outer, opener, data, closer )
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49 | {
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50 | return opener + '___FCKpd___' + ( FCKCodeFormatter.ProtectedData.push( data ) - 1 ) + closer ;
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51 | }
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52 |
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53 | FCKCodeFormatter.Format = function( html )
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54 | {
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55 | if ( !this.Regex )
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56 | this.Init() ;
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57 |
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58 | // Protected content that remain untouched during the
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59 | // process go in the following array.
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60 | FCKCodeFormatter.ProtectedData = new Array() ;
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61 |
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62 | var sFormatted = html.replace( this.Regex.ProtectedTags, FCKCodeFormatter._ProtectData ) ;
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63 |
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64 | // Line breaks.
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65 | sFormatted = sFormatted.replace( this.Regex.BlocksOpener, '\n$&' ) ;
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66 | sFormatted = sFormatted.replace( this.Regex.BlocksCloser, '$&\n' ) ;
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67 | sFormatted = sFormatted.replace( this.Regex.NewLineTags, '$&\n' ) ;
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68 | sFormatted = sFormatted.replace( this.Regex.MainTags, '\n$&\n' ) ;
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69 |
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70 | // Indentation.
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71 | var sIndentation = '' ;
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72 |
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73 | var asLines = sFormatted.split( this.Regex.LineSplitter ) ;
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74 | sFormatted = '' ;
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75 |
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76 | for ( var i = 0 ; i < asLines.length ; i++ )
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77 | {
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78 | var sLine = asLines[i] ;
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79 |
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80 | if ( sLine.length == 0 )
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81 | continue ;
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82 |
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83 | if ( this.Regex.DecreaseIndent.test( sLine ) )
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84 | sIndentation = sIndentation.replace( this.Regex.FormatIndentatorRemove, '' ) ;
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85 |
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86 | sFormatted += sIndentation + sLine + '\n' ;
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87 |
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88 | if ( this.Regex.IncreaseIndent.test( sLine ) )
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89 | sIndentation += FCKConfig.FormatIndentator ;
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90 | }
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91 |
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92 | // Now we put back the protected data.
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93 | for ( var j = 0 ; j < FCKCodeFormatter.ProtectedData.length ; j++ )
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94 | {
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95 | var oRegex = new RegExp( '___FCKpd___' + j ) ;
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96 | sFormatted = sFormatted.replace( oRegex, FCKCodeFormatter.ProtectedData[j].replace( /\$/g, '$$$$' ) ) ;
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97 | }
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98 |
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99 | return sFormatted.Trim() ;
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100 | }
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