/* * FCKeditor - The text editor for internet * Copyright (C) 2003-2006 Frederico Caldeira Knabben * * Licensed under the terms of the GNU Lesser General Public License: * http://www.opensource.org/licenses/lgpl-license.php * * For further information visit: * http://www.fckeditor.net/ * * "Support Open Source software. What about a donation today?" * * File Name: fckxhtml.js * Defines the FCKXHtml object, responsible for the XHTML operations. * * File Authors: * Frederico Caldeira Knabben (fredck@fckeditor.net) */ var FCKXHtml = new Object() ; FCKXHtml.CurrentJobNum = 0 ; FCKXHtml.GetXHTML = function( node, includeNode, format ) { FCKXHtmlEntities.Initialize() ; // Save the current IsDirty state. The XHTML processor may change the // original HTML, dirtying it. var bIsDirty = FCK.IsDirty() ; this._CreateNode = FCKConfig.ForceStrongEm ? FCKXHtml_CreateNode_StrongEm : FCKXHtml_CreateNode_Normal ; // 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++ ; if ( includeNode ) this._AppendNode( this.MainNode, node ) ; else this._AppendChildNodes( this.MainNode, node, false ) ; // Get the resulting XHTML as a string. var sXHTML = this._GetMainXmlString() ; this.XML = null ; // Strip the "XHTML" root node. sXHTML = sXHTML.substr( 7, sXHTML.length - 15 ).trim() ; // Remove the trailing
added by Gecko. if ( FCKBrowserInfo.IsGecko ) sXHTML = sXHTML.replace( /$/, '' ) ; // Add a space in the tags with no closing tags, like
->
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() ; return sXHTML } FCKXHtml._AppendAttribute = function( xmlNode, attributeName, attributeValue ) { if ( FCKConfig.ForceSimpleAmpersand && attributeValue.replace ) attributeValue = attributeValue.replace( /&/g, '___FCKAmp___' ) ; try { // Create the attribute. var oXmlAtt = this.XML.createAttribute( attributeName ) ; oXmlAtt.value = attributeValue ? attributeValue : '' ; // Set the attribute in the node. xmlNode.attributes.setNamedItem( oXmlAtt ) ; } catch (e) {} } FCKXHtml._AppendChildNodes = function( xmlNode, htmlNode, isBlockElement ) { var iCount = 0 ; var oNode = htmlNode.firstChild ; while ( oNode ) { if ( this._AppendNode( xmlNode, oNode ) ) iCount++ ; oNode = oNode.nextSibling ; } if ( iCount == 0 ) { if ( isBlockElement && FCKConfig.FillEmptyBlocks ) { this._AppendEntity( xmlNode, 'nbsp' ) ; return ; } // We can't use short representation of empty elements that are not marked // as empty in th XHTML DTD. if ( !FCKRegexLib.EmptyElements.test( htmlNode.nodeName ) ) xmlNode.appendChild( this.XML.createTextNode('') ) ; } } FCKXHtml._AppendNode = function( xmlNode, htmlNode ) { if ( !htmlNode ) return ; switch ( htmlNode.nodeType ) { // Element Node. case 1 : // 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 ) ) ; // Mozilla insert custom nodes in the DOM. if ( FCKBrowserInfo.IsGecko && htmlNode.hasAttribute('_moz_editor_bogus_node') ) return false ; // 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.nodeName ; //Add namespace: if ( FCKBrowserInfo.IsIE && htmlNode.scopeName && htmlNode.scopeName != 'HTML' && htmlNode.scopeName != 'FCK' ) sNodeName = htmlNode.scopeName + ':' + sNodeName ; // 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 ; sNodeName = sNodeName.toLowerCase() ; if ( FCKBrowserInfo.IsGecko && sNodeName == 'br' && htmlNode.hasAttribute('type') && htmlNode.getAttribute( 'type', 2 ) == '_moz' ) 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._CreateNode( 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 ) ; if ( !oNode ) break ; } else this._AppendChildNodes( oNode, htmlNode, FCKRegexLib.BlockElements.test( sNodeName ) ) ; xmlNode.appendChild( oNode ) ; break ; // Text Node. case 3 : this._AppendTextNode( xmlNode, htmlNode.nodeValue.replaceNewLineChars(' ') ) ; break ; // Comment case 8 : // IE catches the 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 ; } function FCKXHtml_CreateNode_StrongEm( nodeName ) { switch ( nodeName ) { case 'b' : nodeName = 'strong' ; break ; case 'i' : nodeName = 'em' ; break ; } return this.XML.createElement( nodeName ) ; } function FCKXHtml_CreateNode_Normal( nodeName ) { return this.XML.createElement( nodeName ) ; } // Append an item to the SpecialBlocks array and returns the tag to be used. FCKXHtml._AppendSpecialItem = function( item ) { return '___FCKsi___' + FCKXHtml.SpecialBlocks.AddItem( item ) ; } FCKXHtml._AppendEntity = function( xmlNode, entity ) { xmlNode.appendChild( this.XML.createTextNode( '#?-:' + entity + ';' ) ) ; } FCKXHtml._AppendTextNode = function( targetNode, textValue ) { targetNode.appendChild( this.XML.createTextNode( textValue.replace( FCKXHtmlEntities.EntitiesRegex, FCKXHtml_GetEntity ) ) ) ; return ; } // 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 &. 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 = new Object() ; FCKXHtml.TagProcessors['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 ) ; return node ; } FCKXHtml.TagProcessors['a'] = function( node, htmlNode ) { var sSavedUrl = htmlNode.getAttribute( '_fcksavedurl' ) ; if ( sSavedUrl != null ) FCKXHtml._AppendAttribute( node, 'href', sSavedUrl ) ; FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; // Firefox may create empty tags when deleting the selection in some special cases (SF-BUG 1556878). if ( node.childNodes.length == 0 && !node.getAttribute( 'name' ) ) return false ; return node ; } FCKXHtml.TagProcessors['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 ; } FCKXHtml.TagProcessors['style'] = function( node, htmlNode ) { // The "TYPE" attribute is required in XHTML. if ( ! node.attributes.getNamedItem( 'type' ) ) FCKXHtml._AppendAttribute( node, 'type', 'text/css' ) ; node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( htmlNode.innerHTML ) ) ) ; return node ; } FCKXHtml.TagProcessors['title'] = function( node, htmlNode ) { node.appendChild( FCKXHtml.XML.createTextNode( FCK.EditorDocument.title ) ) ; return node ; } FCKXHtml.TagProcessors['table'] = function( node, htmlNode ) { // There is a trick to show table borders when border=0. We add to the // table class the FCK__ShowTableBorders rule. So now we must remove it. var oClassAtt = node.attributes.getNamedItem( 'class' ) ; if ( oClassAtt && FCKRegexLib.TableBorderClass.test( oClassAtt.nodeValue ) ) { var sClass = oClassAtt.nodeValue.replace( FCKRegexLib.TableBorderClass, '' ) ; if ( sClass.length == 0 ) node.attributes.removeNamedItem( 'class' ) ; else FCKXHtml._AppendAttribute( node, 'class', sClass ) ; } FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; return node ; } // Fix nested