src/xalanc/XSLT/ElemCopy.cpp

/*
 * 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 "ElemCopy.hpp"



#include <xercesc/sax/AttributeList.hpp>



#include <xalanc/PlatformSupport/XalanMessageLoader.hpp>



#include <xalanc/DOMSupport/DOMServices.hpp>



#include "Constants.hpp"
#include "Stylesheet.hpp"
#include "StylesheetConstructionContext.hpp"
#include "StylesheetExecutionContext.hpp"
#include "StylesheetRoot.hpp"
#include "TracerEvent.hpp"



XALAN_CPP_NAMESPACE_BEGIN



ElemCopy::ElemCopy(
			StylesheetConstructionContext&	constructionContext,
			Stylesheet&						stylesheetTree,
			const AttributeListType&		atts,
			int								lineNumber,
			int								columnNumber) :
	ElemUse(constructionContext,
			stylesheetTree,
			lineNumber,
			columnNumber,
			StylesheetConstructionContext::ELEMNAME_COPY)
{
	const unsigned int	nAttrs = atts.getLength();

	for(unsigned int i = 0; i < nAttrs; i++)
	{
		const XalanDOMChar*	const	aname = atts.getName(i);

		if(!(processUseAttributeSets(constructionContext, aname, atts, i) ||
				processSpaceAttr(aname, atts, i, constructionContext) ||
				isAttrOK(aname, atts, i, constructionContext)))
		{
			constructionContext.error(
					XalanMessageLoader::getMessage(
						XalanMessages::TemplateHasIllegalAttribute_2Param,
							Constants::ELEMNAME_COPY_WITH_PREFIX_STRING.c_str(),
							aname),
					0,
					this);
		}
	}
}



const XalanDOMString&
ElemCopy::getElementName() const
{
	return Constants::ELEMNAME_COPY_WITH_PREFIX_STRING;
}


#if !defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION)
const ElemTemplateElement*
ElemCopy::startElement(StylesheetExecutionContext&	executionContext) const
{
	XalanNode* const	sourceNode = executionContext.getCurrentNode();

	assert(sourceNode != 0);

	const XalanNode::NodeType	nodeType = sourceNode->getNodeType();

	if(XalanNode::DOCUMENT_NODE != nodeType)
	{
		executionContext.cloneToResultTree(
			*sourceNode,
			nodeType,
			true,
			false,
			getLocator());

		if(XalanNode::ELEMENT_NODE == nodeType)
		{
			ElemUse::startElement(executionContext);

			executionContext.copyNamespaceAttributes(*sourceNode);

			return beginExecuteChildren(executionContext);

		}
		else
		{
			if(0 != executionContext.getTraceListeners())
			{
				executionContext.fireTraceEvent(TracerEvent(executionContext,
					*this));
			}
		}
	}
	else
	{
		if(0 != executionContext.getTraceListeners())
		{
			executionContext.fireTraceEvent(TracerEvent(executionContext, 				
				*this));
		}

		ElemUse::startElement(executionContext);

		return beginExecuteChildren(executionContext);
	}  

	return 0;
}



void
ElemCopy::endElement(StylesheetExecutionContext& executionContext) const
{
	XalanNode* const	sourceNode = executionContext.getCurrentNode();

	assert(sourceNode != 0);

	const XalanNode::NodeType	nodeType = sourceNode->getNodeType();

	if(XalanNode::DOCUMENT_NODE != nodeType)
	{
		if(XalanNode::ELEMENT_NODE == nodeType)
		{
			endExecuteChildren(executionContext);

			executionContext.endElement(c_wstr(sourceNode->getNodeName()));

			ElemUse::endElement(executionContext);
		}
	}
	else
	{
		endExecuteChildren(executionContext);

		ElemUse::endElement(executionContext);
	}
}
#endif



#if defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION)
void
ElemCopy::execute(StylesheetExecutionContext&	executionContext) const
{
	XalanNode* const	sourceNode = executionContext.getCurrentNode();

	assert(sourceNode != 0);

	const XalanNode::NodeType	nodeType = sourceNode->getNodeType();

	if(XalanNode::DOCUMENT_NODE != nodeType)
	{
		executionContext.cloneToResultTree(
			*sourceNode,
			nodeType,
			true,
			false,
			getLocator());

		if(XalanNode::ELEMENT_NODE == nodeType)
		{
			ElemUse::execute(executionContext);

			executionContext.copyNamespaceAttributes(*sourceNode);

			executeChildren(executionContext);

			executionContext.endElement(c_wstr(sourceNode->getNodeName()));
		}
		else
		{
			if(0 != executionContext.getTraceListeners())
			{
				executionContext.fireTraceEvent(TracerEvent(executionContext,
					*this));
			}
		}
	}
	else
	{
		if(0 != executionContext.getTraceListeners())
		{
			executionContext.fireTraceEvent(TracerEvent(executionContext, 				
				*this));
		}

		ElemUse::execute(executionContext);

		executeChildren(executionContext);
	}  
}
#endif



XALAN_CPP_NAMESPACE_END