/*******************************************************************************
* Copyright (c) 2004, 2008 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.cleanup;
import org.eclipse.wst.sse.core.internal.cleanup.IStructuredCleanupHandler;
import org.eclipse.wst.sse.core.internal.cleanup.IStructuredCleanupPreferences;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;
import org.w3c.dom.Node;
// nakamori_TODO: check and remove CSS formatting
class HTMLCleanupHandlerFactory {
private static HTMLCleanupHandlerFactory fInstance = null;
static synchronized HTMLCleanupHandlerFactory getInstance() {
if (fInstance == null) {
fInstance = new HTMLCleanupHandlerFactory();
}
return fInstance;
}
private HTMLCleanupHandlerFactory() {
super();
}
IStructuredCleanupHandler createHandler(Node node, IStructuredCleanupPreferences cleanupPreferences) {
short nodeType = node.getNodeType();
IStructuredCleanupHandler handler = null;
switch (nodeType) {
case Node.ELEMENT_NODE : {
if (isXMLTag(node))
handler = new ElementNodeCleanupHandler();
else
handler = new JSPElementNodeCleanupHandler();
break;
}
case Node.TEXT_NODE : {
if (isParentStyleTag(node))
handler = new CSSTextNodeCleanupHandler();
else
handler = new NodeCleanupHandler();
break;
}
default : {
handler = new NodeCleanupHandler();
}
}
handler.setCleanupPreferences(cleanupPreferences);
return handler;
}
private boolean isXMLTag(Node node) {
if(node instanceof IDOMNode) {
IStructuredDocumentRegion region = ((IDOMNode) node).getFirstStructuredDocumentRegion();
return (DOMRegionContext.XML_TAG_NAME == region.getType());
}
return false;
}
private boolean isParentStyleTag(Node node) {
if (node == null)
return false;
if (node.getNodeType() != Node.TEXT_NODE)
return false;
if (!(node instanceof IDOMNode))
return false;
IStructuredDocumentRegion flatNode = ((IDOMNode) node).getFirstStructuredDocumentRegion();
if (flatNode == null)
return false;
if (flatNode.getType() != DOMRegionContext.BLOCK_TEXT)
return false;
// check if the parent is STYLE element
Node parent = node.getParentNode();
if (parent == null)
return false;
if (parent.getNodeType() != Node.ELEMENT_NODE)
return false;
String name = parent.getNodeName();
if (name == null)
return false;
if (!name.equalsIgnoreCase("STYLE"))//$NON-NLS-1$
return false;
return true;
}
}