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/*******************************************************************************
* Copyright (c) 2007 Symbian Software Systems 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:
* Andrew Ferguson (Symbian) - Initial implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom.dom;
import org.eclipse.cdt.core.dom.IPDOMNode;
import org.eclipse.cdt.core.dom.IPDOMVisitor;
import org.eclipse.cdt.internal.core.pdom.db.IBTreeVisitor;
import org.eclipse.core.runtime.CoreException;
/**
* Applies the specified visitor to the node being visited, and recursively to
* any nodes which act as containers
*/
public class ApplyVisitor implements IBTreeVisitor, IPDOMVisitor {
protected PDOMLinkage linkage;
protected IPDOMVisitor visitor;
public ApplyVisitor(PDOMLinkage linkage, IPDOMVisitor visitor) {
this.linkage= linkage;
this.visitor= visitor;
}
public int compare(long record) throws CoreException {
return 0; // visit all nodes in a b-tree
}
public boolean visit(IPDOMNode node) throws CoreException {
if(node instanceof PDOMBinding) {
((PDOMBinding)node).accept(visitor);
((PDOMBinding)node).accept(this);
}
return false; // don't visit children of the node
}
public boolean visit(long record) throws CoreException {
if (record == 0)
return true;
PDOMNode node= linkage.getNode(record);
if(node instanceof PDOMBinding) {
((PDOMBinding)node).accept(visitor);
((PDOMBinding)node).accept(this);
}
return true;
}
public void leave(IPDOMNode node) throws CoreException {
}
}
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