/*
 * 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 "XalanSourceTreeDOMSupport.hpp"



#include <xalanc/XalanDOM/XalanNode.hpp>
#include <xalanc/XalanDOM/XalanAttr.hpp>
#include <xalanc/XalanDOM/XalanDocument.hpp>
#include <xalanc/XalanDOM/XalanElement.hpp>



#include <xalanc/PlatformSupport/DOMStringHelper.hpp>



#include <xalanc/DOMSupport/DOMServices.hpp>



#include "XalanSourceTreeDocument.hpp"
#include "XalanSourceTreeParserLiaison.hpp"



XALAN_CPP_NAMESPACE_BEGIN



static const XalanDOMString		s_emptyString(XalanMemMgrs::getDummyMemMgr());



XalanSourceTreeDOMSupport::XalanSourceTreeDOMSupport() :
	DOMSupport(),
	m_parserLiaison(0)
{
}



XalanSourceTreeDOMSupport::XalanSourceTreeDOMSupport(const XalanSourceTreeParserLiaison&	theParserLiaison) :
	DOMSupport(),
	m_parserLiaison(&theParserLiaison)
{
}



XalanSourceTreeDOMSupport::~XalanSourceTreeDOMSupport()
{
}



void
XalanSourceTreeDOMSupport::reset()
{
}



const XalanDOMString&
XalanSourceTreeDOMSupport::getUnparsedEntityURI(
			const XalanDOMString&	theName,
			const XalanDocument&	theDocument) const
{
	if (m_parserLiaison != 0)
	{
		const XalanSourceTreeDocument* const	theXSTDocument =
			m_parserLiaison->mapDocument(&theDocument);

		if (theXSTDocument != 0)
		{
			return theXSTDocument->getUnparsedEntityURI(theName);
            
		}
	}

    return s_emptyString;
}



bool
XalanSourceTreeDOMSupport::isNodeAfter(
			const XalanNode&	node1,
			const XalanNode&	node2) const
{
	assert(node1.isIndexed() == true && node2.isIndexed() == true);

	return node1.getIndex() > node2.getIndex() ? true : false;
}



XALAN_CPP_NAMESPACE_END