src/XercesParserLiaison/XercesTreeWalker.cpp

/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights 
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
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 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
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 * 4. The names "Xalan" and "Apache Software Foundation" must
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 * 5. Products derived from this software may not be called "Apache",
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 *
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 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 1999, International
 * Business Machines, Inc., http://www.ibm.com.  For more
 * information on the Apache Software Foundation, please see
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 */
// Class header file.
#include "XercesTreeWalker.hpp"



// Xerces header files...
#include <dom/DOM_Node.hpp>



XercesTreeWalker::XercesTreeWalker()
{
}



XercesTreeWalker::~XercesTreeWalker()
{
}



void
XercesTreeWalker::traverse(const DOM_Node&	pos)
{
	DOM_Node	thePos(pos);

	while(thePos != 0)
	{
		startNode(thePos);

		DOM_Node	nextNode = thePos.getFirstChild();

		while(nextNode == 0)
		{
			endNode(thePos);

			nextNode = pos.getNextSibling();

			if(nextNode == 0)
			{
				thePos = thePos.getParentNode();

				if(thePos == 0)
				{
					nextNode = thePos;

					break;
				}
			}
		}

		thePos = nextNode;
	}
}



void
XercesTreeWalker::traverse(
			const DOM_Node&		pos,
			const DOM_Node&		parent)
{
	DOM_Node	thePos(pos);

	while(parent != thePos)
	{	  
		startNode(thePos);
	  
		DOM_Node	nextNode = thePos.getFirstChild();

		while(nextNode == 0)
		{
			endNode(thePos);

			nextNode = thePos.getNextSibling();

			if(nextNode == 0)
			{
				thePos = thePos.getParentNode();

				if(parent == thePos)
				{
					nextNode = thePos;

					break;
				}
			}
		}

		thePos = nextNode;
	}
}