/*******************************************************************************
* Copyright (c) 2015 Bruno Medeiros and other Contributors.
* 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:
* Bruno Medeiros - initial API and implementation
*******************************************************************************/
package melnorme.lang.tooling.structure;
public abstract class StructureElementVisitor {
int level = 0;
public StructureElementVisitor() {
}
protected void visitTree(StructureElement element) {
level++;
if(visitNode(element)) {
for (StructureElement child : element.getChildren()) {
visitTree(child);
}
}
level--;
}
/** @return whether to visit children. */
protected abstract boolean visitNode(StructureElement element);
}