/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.
 */
#if !defined(XALAN_ELEMEXTENSIONCALL_HEADER_GUARD)
#define XALAN_ELEMEXTENSIONCALL_HEADER_GUARD 


// Base include file.  Must be first.
#include "XSLTDefinitions.hpp"


// Base class header file.
#include "ElemLiteralResult.hpp"


XALAN_CPP_NAMESPACE_BEGIN


class ExtensionNSHandler;
class XalanQName;


class ElemExtensionCall: public ElemLiteralResult
{
public:

	/**
	 * Construct an object corresponding to calling an XSL extension
	 * 
	 * @param constructionContext context for construction of object
	 * @param stylesheetTree      stylesheet containing element
	 * @param name                name of element
	 * @param atts                list of attributes for element
	 * @param lineNumber				line number in document
	 * @param columnNumber			column number in document
	 * @param ns                  handler for the extension
	 */
	ElemExtensionCall(
			StylesheetConstructionContext&	constructionContext,
			Stylesheet&						stylesheetTree,
			const XalanDOMChar*				name,
			const AttributeListType&		atts,
			int								lineNumber,
			int								columnNumber,
			ExtensionNSHandler&				ns);

	static ElemExtensionCall*
    create(
            MemoryManagerType&              theManager,
			StylesheetConstructionContext&	constructionContext,
			Stylesheet&						stylesheetTree,
			const XalanDOMChar*				name,
			const AttributeListType&		atts,
			int								lineNumber,
			int								columnNumber,
			ExtensionNSHandler&				ns);

	// These methods are inherited from ElemLiteralResult ...

#if !defined(XALAN_RECURSIVE_STYLESHEET_EXECUTION)
	virtual const ElemTemplateElement*
	startElement(StylesheetExecutionContext&	executionContext) const;

	virtual void 
	endElement(StylesheetExecutionContext&		executionContext) const;

	virtual bool 
	executeChildElement(
			StylesheetExecutionContext& executionContext,
			const ElemTemplateElement*	element) const;
	
#else
	virtual void
	execute(StylesheetExecutionContext&		executionContext) const;
#endif

	bool
	elementAvailable(StylesheetExecutionContext&	executionContext) const;

private:

	const XalanQName* const		m_qname;

	ExtensionNSHandler&			m_nsh;
};


XALAN_CPP_NAMESPACE_END


#endif	// XALAN_ELEMEXTENSIONCALL_HEADER_GUARD