[6779] | 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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