text: ﻿/*
   * FCKeditor - The text editor for Internet - http://www.fckeditor.net
   * Copyright (C) 2003-2010 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 ==
   *
   * Defines the FCKXHtml object, responsible for the XHTML operations.
   */
  
  var FCKXHtml = new Object() ;
  
  FCKXHtml.CurrentJobNum = 0 ;
  
  FCKXHtml.GetXHTML = function( node, includeNode, format )
  {
  	FCKDomTools.CheckAndRemovePaddingNode( FCKTools.GetElementDocument( node ), FCKConfig.EnterMode ) ;
  	FCKXHtmlEntities.Initialize() ;
  
  	// Set the correct entity to use for empty blocks.
  	this._NbspEntity = ( FCKConfig.ProcessHTMLEntities? 'nbsp' : '#160' ) ;
  
  	// Save the current IsDirty state. The XHTML processor may change the
  	// original HTML, dirtying it.
  	var bIsDirty = FCK.IsDirty() ;
  
  	// Special blocks are blocks of content that remain untouched during the
  	// process. It is used for SCRIPTs and STYLEs.
  	FCKXHtml.SpecialBlocks = new Array() ;
  
  	// Create the XML DOMDocument object.
  	this.XML = FCKTools.CreateXmlObject( 'DOMDocument' ) ;
  
  	// Add a root element that holds all child nodes.
  	this.MainNode = this.XML.appendChild( this.XML.createElement( 'xhtml' ) ) ;
  
  	FCKXHtml.CurrentJobNum++ ;
  
  //	var dTimer = new Date() ;
  
  	if ( includeNode )
  		this._AppendNode( this.MainNode, node ) ;
  	else
  		this._AppendChildNodes( this.MainNode, node, false ) ;
  
  	/**
  	 * FCKXHtml._AppendNode() marks DOM element objects it has
  	 * processed by adding a property called _fckxhtmljob,
  	 * setting it equal to the value of FCKXHtml.CurrentJobNum.
  	 * On Internet Explorer, if an element object has such a
  	 * property,  it will show up in the object's attributes
  	 * NamedNodeMap, and the corresponding Attr object in
  	 * that collection  will have is specified property set
  	 * to true.  This trips up code elsewhere that checks to
  	 * see if an element is free of attributes before proceeding
  	 * with an edit operation (c.f. FCK.Style.RemoveFromRange())
  	 *
  	 * refs #2156 and #2834
  	 */
  	if ( FCKBrowserInfo.IsIE )
  		FCKXHtml._RemoveXHtmlJobProperties( node ) ;
  
  	// Get the resulting XHTML as a string.
  	var sXHTML = this._GetMainXmlString() ;
  
  //	alert( 'Time: ' + ( ( ( new Date() ) - dTimer ) ) + ' ms' ) ;
  
  	this.XML = null ;
  
  	// Safari adds xmlns="http://www.w3.org/1999/xhtml" to the root node (#963)
  	if ( FCKBrowserInfo.IsSafari )
  		sXHTML = sXHTML.replace( /^<xhtml.*?>/, '<xhtml>' ) ;
  
  	// Strip the "XHTML" root node.
  	sXHTML = sXHTML.substr( 7, sXHTML.length - 15 ).Trim() ;
  
  	// According to the doctype set the proper end for self-closing tags
  	// HTML: <br>
  	// XHTML: Add a space, like <br/> -> <br />
  	if (FCKConfig.DocType.length > 0 && FCKRegexLib.HtmlDocType.test( FCKConfig.DocType ) )
  		sXHTML = sXHTML.replace( FCKRegexLib.SpaceNoClose, '>');
  	else
  		sXHTML = sXHTML.replace( FCKRegexLib.SpaceNoClose, ' />');
  
  	if ( FCKConfig.ForceSimpleAmpersand )
  		sXHTML = sXHTML.replace( FCKRegexLib.ForceSimpleAmpersand, '&' ) ;
  
  	if ( format )
  		sXHTML = FCKCodeFormatter.Format( sXHTML ) ;
  
  	// Now we put back the SpecialBlocks contents.
  	for ( var i = 0 ; i < FCKXHtml.SpecialBlocks.length ; i++ )
  	{
  		var oRegex = new RegExp( '___FCKsi___' + i ) ;
  		sXHTML = sXHTML.replace( oRegex, FCKXHtml.SpecialBlocks[i] ) ;
  	}
  
  	// Replace entities marker with the ampersand.
  	sXHTML = sXHTML.replace( FCKRegexLib.GeckoEntitiesMarker, '&' ) ;
  
  	// Restore the IsDirty state if it was not dirty.
  	if ( !bIsDirty )
  		FCK.ResetIsDirty() ;
  
  	FCKDomTools.EnforcePaddingNode( FCKTools.GetElementDocument( node ), FCKConfig.EnterMode ) ;
  	return sXHTML ;
  }
  
  FCKXHtml._AppendAttribute = function( xmlNode, attributeName, attributeValue )
  {
  	try
  	{
  		if ( attributeValue == undefined || attributeValue == null )
  			attributeValue = '' ;
  		else if ( attributeValue.replace )
  		{
  			if ( FCKConfig.ForceSimpleAmpersand )
  				attributeValue = attributeValue.replace( /&/g, '___FCKAmp___' ) ;
  
  			// Entities must be replaced in the attribute values.
  			attributeValue = attributeValue.replace( FCKXHtmlEntities.EntitiesRegex, FCKXHtml_GetEntity ) ;
  		}
  
  		// Create the attribute.
  		var oXmlAtt = this.XML.createAttribute( attributeName ) ;
  		oXmlAtt.value = attributeValue ;
  
  		// Set the attribute in the node.
  		xmlNode.attributes.setNamedItem( oXmlAtt ) ;
  	}
  	catch (e)
  	{}
  }
  
  FCKXHtml._AppendChildNodes = function( xmlNode, htmlNode, isBlockElement )
  {
  	var oNode = htmlNode.firstChild ;
  
  	while ( oNode )
  	{
  		this._AppendNode( xmlNode, oNode ) ;
  		oNode = oNode.nextSibling ;
  	}
  
  	// Trim block elements. This is also needed to avoid Firefox leaving extra
  	// BRs at the end of them.
  	if ( isBlockElement && htmlNode.tagName && htmlNode.tagName.toLowerCase() != 'pre' )
  	{
  		FCKDomTools.TrimNode( xmlNode ) ;
  
  		if ( FCKConfig.FillEmptyBlocks )
  		{
  			var lastChild = xmlNode.lastChild ;
  			if ( lastChild && lastChild.nodeType == 1 && lastChild.nodeName == 'br' )
  				this._AppendEntity( xmlNode, this._NbspEntity ) ;
  		}
  	}
  
  	// If the resulting node is empty.
  	if ( xmlNode.childNodes.length == 0 )
  	{
  		if ( isBlockElement && FCKConfig.FillEmptyBlocks )
  		{
  			this._AppendEntity( xmlNode, this._NbspEntity ) ;
  			return xmlNode ;
  		}
  
  		var sNodeName = xmlNode.nodeName ;
  
  		// Some inline elements are required to have something inside (span, strong, etc...).
  		if ( FCKListsLib.InlineChildReqElements[ sNodeName ] )
  			return null ;
  
  		// We can't use short representation of empty elements that are not marked
  		// as empty in th XHTML DTD.
  		if ( !FCKListsLib.EmptyElements[ sNodeName ] )
  			xmlNode.appendChild( this.XML.createTextNode('') ) ;
  	}
  
  	return xmlNode ;
  }
  
  FCKXHtml._AppendNode = function( xmlNode, htmlNode )
  {
  	if ( !htmlNode )
  		return false ;
  
  	switch ( htmlNode.nodeType )
  	{
  		// Element Node.
  		case 1 :
  			// If we detect a <br> inside a <pre> in Gecko, turn it into a line break instead.
  			// This is a workaround for the Gecko bug here: https://bugzilla.mozilla.org/show_bug.cgi?id=92921
  			if ( FCKBrowserInfo.IsGecko
  					&& htmlNode.tagName.toLowerCase() == 'br'
  					&& htmlNode.parentNode.tagName.toLowerCase() == 'pre' )
  			{
  				var val = '\r' ;
  				if ( htmlNode == htmlNode.parentNode.firstChild )
  					val += '\r' ;
  				return FCKXHtml._AppendNode( xmlNode, this.XML.createTextNode( val ) ) ;
  			}
  
  			// Here we found an element that is not the real element, but a
  			// fake one (like the Flash placeholder image), so we must get the real one.
  			if ( htmlNode.getAttribute('_fckfakelement') )
  				return FCKXHtml._AppendNode( xmlNode, FCK.GetRealElement( htmlNode ) ) ;
  
  			// Ignore bogus BR nodes in the DOM.
  			if ( FCKBrowserInfo.IsGecko &&
  					( htmlNode.hasAttribute('_moz_editor_bogus_node') || htmlNode.getAttribute( 'type' ) == '_moz' ) )
  			{
  				if ( htmlNode.nextSibling )
  					return false ;
  				else if ( xmlNode.ownerDocument.documentElement == xmlNode && htmlNode.parentNode && htmlNode.parentNode.lastChild == htmlNode )
  					return false ;
  				else
  				{
  					htmlNode.removeAttribute( '_moz_editor_bogus_node' ) ;
  					htmlNode.removeAttribute( 'type' ) ;
  				}
  			}
  
  			// This is for elements that are instrumental to FCKeditor and
  			// must be removed from the final HTML.
  			if ( htmlNode.getAttribute('_fcktemp') )
  				return false ;
  
  			// Get the element name.
  			var sNodeName = htmlNode.tagName.toLowerCase()  ;
  
  			if ( FCKBrowserInfo.IsIE )
  			{
  				// IE doens't include the scope name in the nodeName. So, add the namespace.
  				if ( htmlNode.scopeName && htmlNode.scopeName != 'HTML' && htmlNode.scopeName != 'FCK' )
  					sNodeName = htmlNode.scopeName.toLowerCase() + ':' + sNodeName ;
  			}
  			else
  			{
  				if ( sNodeName.StartsWith( 'fck:' ) )
  					sNodeName = sNodeName.Remove( 0,4 ) ;
  			}
  
  			// Check if the node name is valid, otherwise ignore this tag.
  			// If the nodeName starts with a slash, it is a orphan closing tag.
  			// On some strange cases, the nodeName is empty, even if the node exists.
  			if ( !FCKRegexLib.ElementName.test( sNodeName ) )
  				return false ;
  
  			// The already processed nodes must be marked to avoid then to be duplicated (bad formatted HTML).
  			// So here, the "mark" is checked... if the element is Ok, then mark it.
  			if ( htmlNode._fckxhtmljob && htmlNode._fckxhtmljob == FCKXHtml.CurrentJobNum )
  				return false ;
  
  			var oNode = this.XML.createElement( sNodeName ) ;
  
  			// Add all attributes.
  			FCKXHtml._AppendAttributes( xmlNode, htmlNode, oNode, sNodeName ) ;
  
  			htmlNode._fckxhtmljob = FCKXHtml.CurrentJobNum ;
  
  			// Tag specific processing.
  			var oTagProcessor = FCKXHtml.TagProcessors[ sNodeName ] ;
  
  			if ( oTagProcessor )
  				oNode = oTagProcessor( oNode, htmlNode, xmlNode ) ;
  			else
  				oNode = this._AppendChildNodes( oNode, htmlNode, Boolean( FCKListsLib.NonEmptyBlockElements[ sNodeName ] ) ) ;
  
  			if ( !oNode )
  				return false ;
  
  			xmlNode.appendChild( oNode ) ;
  
  			break ;
  
  		// Text Node.
  		case 3 :
  			if ( htmlNode.parentNode && htmlNode.parentNode.nodeName.IEquals( 'pre' ) )
  				return this._AppendTextNode( xmlNode, htmlNode.nodeValue ) ;
  			return this._AppendTextNode( xmlNode, htmlNode.nodeValue.ReplaceNewLineChars(' ') ) ;
  
  		// Comment
  		case 8 :
  			// IE catches the <!DOTYPE ... > as a comment, but it has no
  			// innerHTML, so we can catch it, and ignore it.
  			if ( FCKBrowserInfo.IsIE && !htmlNode.innerHTML )
  				break ;
  
  			try { xmlNode.appendChild( this.XML.createComment( htmlNode.nodeValue ) ) ; }
  			catch (e) { /* Do nothing... probably this is a wrong format comment. */ }
  			break ;
  
  		// Unknown Node type.
  		default :
  			xmlNode.appendChild( this.XML.createComment( "Element not supported - Type: " + htmlNode.nodeType + " Name: " + htmlNode.nodeName ) ) ;
  			break ;
  	}
  	return true ;
  }
  
  // Append an item to the SpecialBlocks array and returns the tag to be used.
  FCKXHtml._AppendSpecialItem = function( item )
  {
  	return '___FCKsi___' + ( FCKXHtml.SpecialBlocks.push( item ) - 1 ) ;
  }
  
  FCKXHtml._AppendEntity = function( xmlNode, entity )
  {
  	xmlNode.appendChild( this.XML.createTextNode( '#?-:' + entity + ';' ) ) ;
  }
  
  FCKXHtml._AppendTextNode = function( targetNode, textValue )
  {
  	var bHadText = textValue.length > 0 ;
  	if ( bHadText )
  		targetNode.appendChild( this.XML.createTextNode( textValue.replace( FCKXHtmlEntities.EntitiesRegex, FCKXHtml_GetEntity ) ) ) ;
  	return bHadText ;
  }
  
  // Retrieves a entity (internal format) for a given character.
  function FCKXHtml_GetEntity( character )
  {
  	// We cannot simply place the entities in the text, because the XML parser
  	// will translate & to &amp;. So we use a temporary marker which is replaced
  	// in the end of the processing.
  	var sEntity = FCKXHtmlEntities.Entities[ character ] || ( '#' + character.charCodeAt(0) ) ;
  	return '#?-:' + sEntity + ';' ;
  }
  
  // An object that hold tag specific operations.
  FCKXHtml.TagProcessors =
  {
  	a : function( node, htmlNode )
  	{
  		// Firefox may create empty tags when deleting the selection in some special cases (SF-BUG 1556878).
  		if ( htmlNode.innerHTML.Trim().length == 0 && !htmlNode.name )
  			return false ;
  
  		var sSavedUrl = htmlNode.getAttribute( '_fcksavedurl' ) ;
  		if ( sSavedUrl != null )
  			FCKXHtml._AppendAttribute( node, 'href', sSavedUrl ) ;
  
  
  		// Anchors with content has been marked with an additional class, now we must remove it.
  		if ( FCKBrowserInfo.IsIE )
  		{
  			// Buggy IE, doesn't copy the name of changed anchors.
  			if ( htmlNode.name )
  				FCKXHtml._AppendAttribute( node, 'name', htmlNode.name ) ;
  		}
  
  		node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ;
  
  		return node ;
  	},
  
  	area : function( node, htmlNode )
  	{
  		var sSavedUrl = htmlNode.getAttribute( '_fcksavedurl' ) ;
  		if ( sSavedUrl != null )
  			FCKXHtml._AppendAttribute( node, 'href', sSavedUrl ) ;
  
  		// IE ignores the "COORDS" and "SHAPE" attribute so we must add it manually.
  		if ( FCKBrowserInfo.IsIE )
  		{
  			if ( ! node.attributes.getNamedItem( 'coords' ) )
  			{
  				var sCoords = htmlNode.getAttribute( 'coords', 2 ) ;
  				if ( sCoords && sCoords != '0,0,0' )
  					FCKXHtml._AppendAttribute( node, 'coords', sCoords ) ;
  			}
  
  			if ( ! node.attributes.getNamedItem( 'shape' ) )
  			{
  				var sShape = htmlNode.getAttribute( 'shape', 2 ) ;
  				if ( sShape && sShape.length > 0 )
  					FCKXHtml._AppendAttribute( node, 'shape', sShape.toLowerCase() ) ;
  			}
  		}
  
  		return node ;
  	},
  
  	body : function( node, htmlNode )
  	{
  		node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ;
  		// Remove spellchecker attributes added for Firefox when converting to HTML code (Bug #1351).
  		node.removeAttribute( 'spellcheck' ) ;
  		return node ;
  	},
  
  	// IE loses contents of iframes, and Gecko does give it back HtmlEncoded
  	// Note: Opera does lose the content and doesn't provide it in the innerHTML string
  	iframe : function( node, htmlNode )
  	{
  		var sHtml = htmlNode.innerHTML ;
  
  		// Gecko does give back the encoded html
  		if ( FCKBrowserInfo.IsGecko )
  			sHtml = FCKTools.HTMLDecode( sHtml );
  
  		// Remove the saved urls here as the data won't be processed as nodes
  		sHtml = sHtml.replace( /\s_fcksavedurl="[^"]*"/g, '' ) ;
  
  		node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( sHtml ) ) ) ;
  
  		return node ;
  	},
  
  	img : function( node, htmlNode )
  	{
  		// The "ALT" attribute is required in XHTML.
  		if ( ! node.attributes.getNamedItem( 'alt' ) )
  			FCKXHtml._AppendAttribute( node, 'alt', '' ) ;
  
  		var sSavedUrl = htmlNode.getAttribute( '_fcksavedurl' ) ;
  		if ( sSavedUrl != null )
  			FCKXHtml._AppendAttribute( node, 'src', sSavedUrl ) ;
  
  		// Bug #768 : If the width and height are defined inline CSS,
  		// don't define it again in the HTML attributes.
  		if ( htmlNode.style.width )
  			node.removeAttribute( 'width' ) ;
  		if ( htmlNode.style.height )
  			node.removeAttribute( 'height' ) ;
  
  		return node ;
  	},
  
  	// Fix orphaned <li> nodes (Bug #503).
  	li : function( node, htmlNode, targetNode )
  	{
  		// If the XML parent node is already a <ul> or <ol>, then add the <li> as usual.
  		if ( targetNode.nodeName.IEquals( ['ul', 'ol'] ) )
  			return FCKXHtml._AppendChildNodes( node, htmlNode, true ) ;
  
  		var newTarget = FCKXHtml.XML.createElement( 'ul' ) ;
  
  		// Reset the _fckxhtmljob so the HTML node is processed again.
  		htmlNode._fckxhtmljob = null ;
  
  		// Loop through all sibling LIs, adding them to the <ul>.
  		do
  		{
  			FCKXHtml._AppendNode( newTarget, htmlNode ) ;
  
  			// Look for the next element following this <li>.
  			do
  			{
  				htmlNode = FCKDomTools.GetNextSibling( htmlNode ) ;
  
  			} while ( htmlNode && htmlNode.nodeType == 3 && htmlNode.nodeValue.Trim().length == 0 )
  
  		}	while ( htmlNode && htmlNode.nodeName.toLowerCase() == 'li' )
  
  		return newTarget ;
  	},
  
  	// Fix nested <ul> and <ol>.
  	ol : function( node, htmlNode, targetNode )
  	{
  		if ( htmlNode.innerHTML.Trim().length == 0 )
  			return false ;
  
  		var ePSibling = targetNode.lastChild ;
  
  		if ( ePSibling && ePSibling.nodeType == 3 )
  			ePSibling = ePSibling.previousSibling ;
  
  		if ( ePSibling && ePSibling.nodeName.toUpperCase() == 'LI' )
  		{
  			htmlNode._fckxhtmljob = null ;
  			FCKXHtml._AppendNode( ePSibling, htmlNode ) ;
  			return false ;
  		}
  
  		node = FCKXHtml._AppendChildNodes( node, htmlNode ) ;
  
  		return node ;
  	},
  
  	pre : function ( node, htmlNode )
  	{
  		var firstChild = htmlNode.firstChild ;
  
  		if ( firstChild && firstChild.nodeType == 3 )
  			node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( '\r\n' ) ) ) ;
  
  		FCKXHtml._AppendChildNodes( node, htmlNode, true ) ;
  
  		return node ;
  	},
  
  	script : function( node, htmlNode )
  	{
  		// The "TYPE" attribute is required in XHTML.
  		if ( ! node.attributes.getNamedItem( 'type' ) )
  			FCKXHtml._AppendAttribute( node, 'type', 'text/javascript' ) ;
  
  		node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( htmlNode.text ) ) ) ;
  
  		return node ;
  	},
  
  	span : function( node, htmlNode )
  	{
  		// Firefox may create empty tags when deleting the selection in some special cases (SF-BUG 1084404).
  		if ( htmlNode.innerHTML.length == 0 )
  			return false ;
  
  		node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ;
  
  		return node ;
  	},
  
  	style : function( node, htmlNode )
  	{
  		// The "TYPE" attribute is required in XHTML.
  		if ( ! node.attributes.getNamedItem( 'type' ) )
  			FCKXHtml._AppendAttribute( node, 'type', 'text/css' ) ;
  
  		var cssText = htmlNode.innerHTML ;
  		if ( FCKBrowserInfo.IsIE )	// Bug #403 : IE always appends a \r\n to the beginning of StyleNode.innerHTML
  			cssText = cssText.replace( /^(\r\n|\n|\r)/, '' ) ;
  
  		node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( cssText ) ) ) ;
  
  		return node ;
  	},
  
  	title : function( node, htmlNode )
  	{
  		node.appendChild( FCKXHtml.XML.createTextNode( FCK.EditorDocument.title ) ) ;
  
  		return node ;
  	}
  } ;
  
  FCKXHtml.TagProcessors.ul = FCKXHtml.TagProcessors.ol ;
  