/*
 * Copyright 1999-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <xalanc/XalanDOM/XalanNode.hpp>


#include <xalanc/PlatformSupport/DOMStringHelper.hpp>


// Class include file.
#include "NodeNameTreeWalker.hpp"


XALAN_CPP_NAMESPACE_BEGIN


NodeNameTreeWalker::NodeNameTreeWalker() :
	TreeWalker(),
	m_nodeName(),
	m_matchingNodes()
{
}


NodeNameTreeWalker::~NodeNameTreeWalker()
{
}


void
NodeNameTreeWalker::findMatchingNodes(
			const XalanDOMString&	theNodeName,
			const XalanNode*		theStartNode)
{
	assert(theStartNode != 0);

	m_nodeName = theNodeName;

	m_matchingNodes.clear();

	traverse(theStartNode->getFirstChild(),
			 theStartNode);
}


void
NodeNameTreeWalker::findMatchingNodes(
			const XalanDOMString&	theNodeName,
			XalanNode*				theStartNode)
{
	assert(theStartNode != 0);

	m_nodeName = theNodeName;

	m_matchingNodes.clear();

	traverse(theStartNode->getFirstChild(),
			 theStartNode);
}


bool
NodeNameTreeWalker::startNode(XalanNode*	node)
{
	const XalanDOMString&	theNodeName = node->getNodeName();

	if (equals(theNodeName, m_nodeName) == true)
	{
		m_matchingNodes.push_back(node);
	}

	return false;
}


bool
NodeNameTreeWalker::endNode(XalanNode*	/* node */)
{
	return false;
}


bool
NodeNameTreeWalker::startNode(const XalanNode*	node)
{
	const XalanDOMString&	theNodeName = node->getNodeName();

	if (equals(theNodeName, m_nodeName) == true)
	{
		m_matchingNodes.push_back(node);
	}

	return false;
}


bool
NodeNameTreeWalker::endNode(const XalanNode*	/* node */)
{
	return false;
}


XALAN_CPP_NAMESPACE_END