| /******************************************************************************* |
| * Copyright (c) 2006, 2015 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.help.internal.dynamic; |
| |
| import org.eclipse.help.internal.UAElement; |
| |
| /* |
| * A handler that is notified when the document processor visits a node, |
| * allowing it to process the node and return a result. |
| */ |
| public abstract class ProcessorHandler { |
| |
| public static final short UNHANDLED = 0; |
| public static final short HANDLED_CONTINUE = 1; |
| public static final short HANDLED_SKIP = 2; |
| |
| private DocumentProcessor processor; |
| |
| /* |
| * Will be called for every node visited by the processor, |
| * except those requested to be skipped. |
| */ |
| public abstract short handle(UAElement element, String id); |
| |
| /* |
| * Returns the processor that is calling this handler. |
| */ |
| public DocumentProcessor getProcessor() { |
| return processor; |
| } |
| |
| /* |
| * Sets the processor that is calling this handler. This should only |
| * be called by the processor. |
| */ |
| public void setProcessor(DocumentProcessor processor) { |
| this.processor = processor; |
| } |
| } |