/*******************************************************************************
* Copyright (c) 2004, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.html.core.internal.modelquery;
import java.util.Hashtable;
import org.eclipse.wst.common.uriresolver.internal.provisional.URIResolver;
import org.eclipse.wst.html.core.internal.contentmodel.HTMLCMDocumentFactory;
import org.eclipse.wst.html.core.internal.document.HTMLDocumentTypeEntry;
import org.eclipse.wst.html.core.internal.document.HTMLDocumentTypeRegistry;
import org.eclipse.wst.xml.core.internal.contentmodel.CMDocument;
import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQueryCMProvider;
import org.eclipse.wst.xml.core.internal.contentmodel.util.CMDocumentCache;
import org.eclipse.wst.xml.core.internal.provisional.contentmodel.CMDocType;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentType;
import org.w3c.dom.Node;
/**
* CMDocument provider for HTML and XHTML documents.
*
* This added and/or made public specifically for experimentation. It will
* change as this functionality becomes API. See
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=119084
*/
public class HTMLModelQueryCMProvider implements ModelQueryCMProvider {
private static CMDocument staticHTML5 = HTMLCMDocumentFactory.getCMDocument(CMDocType.HTML5_DOC_TYPE);
private static CMDocument staticHTML = HTMLCMDocumentFactory.getCMDocument(CMDocType.HTML_DOC_TYPE);
private static CMDocument staticCHTML = HTMLCMDocumentFactory.getCMDocument(CMDocType.CHTML_DOC_TYPE);
private static HTMLDocumentTypeRegistry doctypeRegistry = HTMLDocumentTypeRegistry.getInstance();
private static Hashtable buddyCache = new Hashtable();
private XHTMLAssociationProvider xhtmlassoc = null;
public HTMLModelQueryCMProvider(CMDocumentCache cache, URIResolver idResolver) {
super();
xhtmlassoc = new XHTMLAssociationProvider(cache, idResolver);
}
/**
* Returns the CMDocument that corresponds to the DOM Node. or null if no
* CMDocument is appropriate for the DOM Node.
*/
public CMDocument getCorrespondingCMDocument(Node node) {
IDOMDocument owner = getOwnerXMLDocument(node);
if (owner == null)
return null;
String pid = getPublicId(owner);
// no PID, always return the currently-supported HTML version
if (pid == null || "".equals(pid)){
return staticHTML5;
}
HTMLDocumentTypeEntry entry = doctypeRegistry.getEntry(pid);
if (entry == null)
return staticHTML;
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=151000 - use internal content model
if (entry.useInternalModel()) {
if (pid != null && pid.equals(HTMLDocumentTypeRegistry.CHTML_PUBLIC_ID)) {
return staticCHTML;
}
return staticHTML;
}
pid = entry.getPublicId();
String sid = entry.getSystemId();
CMDocument dtdcm = xhtmlassoc.getXHTMLCMDocument(pid, sid);
if (dtdcm == null) {
if (pid != null && pid.equals(HTMLDocumentTypeRegistry.CHTML_PUBLIC_ID)) {
return staticCHTML;
}
return staticHTML;
}
String grammarURI = xhtmlassoc.getCachedGrammerURI();
CMDocument buddycm = (CMDocument) buddyCache.get(grammarURI);
if (buddycm != null)
return buddycm;
buddycm = new CMDocumentForBuddySystem(dtdcm, entry.isXMLType());
buddyCache.put(grammarURI, buddycm);
return buddycm;
}
// private methods
private IDOMDocument getOwnerXMLDocument(Node node) {
if (node == null)
return null;
Document owner = (node.getNodeType() == Node.DOCUMENT_NODE) ? (Document) node : node.getOwnerDocument();
if (owner == null)
return null;
if (!(owner instanceof IDOMDocument))
return null;
return (IDOMDocument) owner;
}
private String getPublicId(IDOMDocument doc) {
if (doc == null)
return null;
DocumentType doctype = doc.getDoctype();
//doctype.
return (doctype != null) ? doctype.getPublicId() : doc.getDocumentTypeId();
}
}