ASTSpecificNameVisitor.java

/*******************************************************************************
 * Copyright (c) 2004, 2008 Wind River Systems, Inc.
 * 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: 
 * Markus Schorn - initial API and implementation 
 ******************************************************************************/ 

package org.eclipse.cdt.internal.ui.refactoring.rename;

import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTQualifiedName;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTTemplateId;

public abstract class ASTSpecificNameVisitor extends ASTNameVisitor {
    private String fSearchForName;

    public ASTSpecificNameVisitor(String name) {
        super(null);
        fSearchForName= name;
    }
    
    @Override
	final public int visitName(IASTName name) {
    	if (name instanceof ICPPASTTemplateId || name instanceof ICPPASTQualifiedName)
    		return PROCESS_CONTINUE;
    	
        String nameStr= name.toString();
        if (nameStr != null) {
            final int len= nameStr.length();
            final int searchForLen= fSearchForName.length();
            if (len == searchForLen) {
                if (nameStr.equals(fSearchForName)) {
                    return visitName(name, false);
                }
            } else if (len == searchForLen + 1) {
                if (nameStr.charAt(0) == '~' && nameStr.endsWith(fSearchForName)) {
                    return visitName(name, true);
                }
            }
        }
        return ASTVisitor.PROCESS_CONTINUE;
    }

    protected abstract int visitName(IASTName name, boolean isDestructor);
}