CommunityID/fckeditor/editor/_source/internals/fckcodeformatter.js

101 lines
3.2 KiB
JavaScript

/*
* FCKeditor - The text editor for Internet - http://www.fckeditor.net
* Copyright (C) 2003-2009 Frederico Caldeira Knabben
*
* == BEGIN LICENSE ==
*
* Licensed under the terms of any of the following licenses at your
* choice:
*
* - GNU General Public License Version 2 or later (the "GPL")
* http://www.gnu.org/licenses/gpl.html
*
* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
* http://www.gnu.org/licenses/lgpl.html
*
* - Mozilla Public License Version 1.1 or later (the "MPL")
* http://www.mozilla.org/MPL/MPL-1.1.html
*
* == END LICENSE ==
*
* Format the HTML.
*/
var FCKCodeFormatter = new Object() ;
FCKCodeFormatter.Init = function()
{
var oRegex = this.Regex = new Object() ;
// Regex for line breaks.
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 ;
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 ;
oRegex.NewLineTags = /\<(BR|HR)[^\>]*\>/gi ;
oRegex.MainTags = /\<\/?(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR)[^\>]*\>/gi ;
oRegex.LineSplitter = /\s*\n+\s*/g ;
// Regex for indentation.
oRegex.IncreaseIndent = /^\<(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL|DL)[ \/\>]/i ;
oRegex.DecreaseIndent = /^\<\/(HTML|HEAD|BODY|FORM|TABLE|TBODY|THEAD|TR|UL|OL|DL)[ \>]/i ;
oRegex.FormatIndentatorRemove = new RegExp( '^' + FCKConfig.FormatIndentator ) ;
oRegex.ProtectedTags = /(<PRE[^>]*>)([\s\S]*?)(<\/PRE>)/gi ;
}
FCKCodeFormatter._ProtectData = function( outer, opener, data, closer )
{
return opener + '___FCKpd___' + ( FCKCodeFormatter.ProtectedData.push( data ) - 1 ) + closer ;
}
FCKCodeFormatter.Format = function( html )
{
if ( !this.Regex )
this.Init() ;
// Protected content that remain untouched during the
// process go in the following array.
FCKCodeFormatter.ProtectedData = new Array() ;
var sFormatted = html.replace( this.Regex.ProtectedTags, FCKCodeFormatter._ProtectData ) ;
// 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' ) ;
// Indentation.
var sIndentation = '' ;
var asLines = sFormatted.split( this.Regex.LineSplitter ) ;
sFormatted = '' ;
for ( var i = 0 ; i < asLines.length ; i++ )
{
var sLine = asLines[i] ;
if ( sLine.length == 0 )
continue ;
if ( this.Regex.DecreaseIndent.test( sLine ) )
sIndentation = sIndentation.replace( this.Regex.FormatIndentatorRemove, '' ) ;
sFormatted += sIndentation + sLine + '\n' ;
if ( this.Regex.IncreaseIndent.test( sLine ) )
sIndentation += FCKConfig.FormatIndentator ;
}
// Now we put back the protected data.
for ( var j = 0 ; j < FCKCodeFormatter.ProtectedData.length ; j++ )
{
var oRegex = new RegExp( '___FCKpd___' + j ) ;
sFormatted = sFormatted.replace( oRegex, FCKCodeFormatter.ProtectedData[j].replace( /\$/g, '$$$$' ) ) ;
}
return sFormatted.Trim() ;
}