[44] | 1 | /*
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| 2 | * FCKeditor - The text editor for internet
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| 3 | * Copyright (C) 2003-2006 Frederico Caldeira Knabben
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| 4 | *
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| 5 | * Licensed under the terms of the GNU Lesser General Public License:
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| 6 | * http://www.opensource.org/licenses/lgpl-license.php
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| 7 | *
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| 8 | * For further information visit:
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| 9 | * http://www.fckeditor.net/
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| 10 | *
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| 11 | * "Support Open Source software. What about a donation today?"
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| 12 | *
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| 13 | * File Name: fckcodeformatter.js
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| 14 | * Format the HTML.
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| 15 | *
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| 16 | * File Authors:
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| 17 | * Frederico Caldeira Knabben (fredck@fckeditor.net)
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| 18 | */
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| 19 |
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| 20 | var FCKCodeFormatter = new Object() ;
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| 21 |
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| 22 | FCKCodeFormatter.Init = function()
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| 23 | {
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| 24 | var oRegex = this.Regex = new Object() ;
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| 25 |
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| 26 | // Regex for line breaks.
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| 27 | 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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| 28 | 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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| 29 |
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| 30 | oRegex.NewLineTags = /\<(BR|HR)[^\>]*\>/gi ;
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| 31 |
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| 32 | oRegex.MainTags = /\<\/?(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR)[^\>]*\>/gi ;
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| 33 |
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| 34 | oRegex.LineSplitter = /\s*\n+\s*/g ;
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| 35 |
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| 36 | // Regex for indentation.
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| 37 | oRegex.IncreaseIndent = /^\<(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL)[ \/\>]/i ;
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| 38 | oRegex.DecreaseIndent = /^\<\/(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL)[ \>]/i ;
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| 39 | oRegex.FormatIndentatorRemove = new RegExp( '^' + FCKConfig.FormatIndentator ) ;
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| 40 |
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| 41 | oRegex.ProtectedTags = /(<PRE[^>]*>)([\s\S]*?)(<\/PRE>)/gi ;
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| 42 | }
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| 43 |
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| 44 | FCKCodeFormatter._ProtectData = function( outer, opener, data, closer )
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| 45 | {
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| 46 | return opener + '___FCKpd___' + FCKCodeFormatter.ProtectedData.AddItem( data ) + closer ;
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| 47 | }
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| 48 |
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| 49 | FCKCodeFormatter.Format = function( html )
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| 50 | {
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| 51 | if ( !this.Regex )
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| 52 | this.Init() ;
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| 53 |
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| 54 | // Protected content that remain untouched during the
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| 55 | // process go in the following array.
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| 56 | FCKCodeFormatter.ProtectedData = new Array() ;
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| 57 |
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| 58 | var sFormatted = html.replace( this.Regex.ProtectedTags, FCKCodeFormatter._ProtectData ) ;
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| 59 |
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| 60 | // Line breaks.
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| 61 | sFormatted = sFormatted.replace( this.Regex.BlocksOpener, '\n$&' ) ; ;
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| 62 | sFormatted = sFormatted.replace( this.Regex.BlocksCloser, '$&\n' ) ;
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| 63 | sFormatted = sFormatted.replace( this.Regex.NewLineTags, '$&\n' ) ;
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| 64 | sFormatted = sFormatted.replace( this.Regex.MainTags, '\n$&\n' ) ;
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| 65 |
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| 66 | // Indentation.
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| 67 | var sIndentation = '' ;
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| 68 |
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| 69 | var asLines = sFormatted.split( this.Regex.LineSplitter ) ;
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| 70 | sFormatted = '' ;
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| 71 |
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| 72 | for ( var i = 0 ; i < asLines.length ; i++ )
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| 73 | {
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| 74 | var sLine = asLines[i] ;
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| 75 |
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| 76 | if ( sLine.length == 0 )
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| 77 | continue ;
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| 78 |
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| 79 | if ( this.Regex.DecreaseIndent.test( sLine ) )
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| 80 | sIndentation = sIndentation.replace( this.Regex.FormatIndentatorRemove, '' ) ;
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| 81 |
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| 82 | sFormatted += sIndentation + sLine + '\n' ;
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| 83 |
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| 84 | if ( this.Regex.IncreaseIndent.test( sLine ) )
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| 85 | sIndentation += FCKConfig.FormatIndentator ;
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| 86 | }
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| 87 |
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| 88 | // Now we put back the protected data.
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| 89 | for ( var i = 0 ; i < FCKCodeFormatter.ProtectedData.length ; i++ )
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| 90 | {
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| 91 | var oRegex = new RegExp( '___FCKpd___' + i ) ;
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| 92 | sFormatted = sFormatted.replace( oRegex, FCKCodeFormatter.ProtectedData[i].replace( /\$/g, '$$$$' ) ) ;
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| 93 | }
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| 94 |
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| 95 | return sFormatted.trim() ;
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| 96 | } |
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