src/XPath/XStringCached.hpp

/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 1999-2000 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
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 * ====================================================================
 *
 * 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
 * <http://www.apache.org/>.
 */
#if !defined(XSTRINGCACHED_HEADER_GUARD_1357924680)
#define XSTRINGCACHED_HEADER_GUARD_1357924680



// Base header file.  Must be first.
#include <XPath/XPathDefinitions.hpp>



// Base class header file.
#include <XPath/XStringBase.hpp>



#include <XPath/XPathExecutionContext.hpp>



class XALAN_XPATH_EXPORT XStringCached : public XStringBase
{
public:

	typedef XPathExecutionContext::GetAndReleaseCachedString	GetAndReleaseCachedString;

	/**
	 * Create a string XObject from a cached string.
	 *
	 * @param theValue	value used to create object 
	 */
	XStringCached(GetAndReleaseCachedString&	val);

	XStringCached(const XStringCached&	source);

	virtual
	~XStringCached();


	// These methods are inherited from XObject ...

#if defined(XALAN_NO_COVARIANT_RETURN_TYPE)
	virtual XObject*
#else
	virtual XStringCached*
#endif
	clone(void*		theAddress = 0) const;

	virtual const XalanDOMString&
	str() const;

	virtual void
	str(
			FormatterListener&	formatterListener,
			MemberFunctionPtr	function) const;

protected:

	virtual eObjectType
	getRealType() const;

private:

	const GetAndReleaseCachedString		m_value;
};



#endif	// XSTRINGCACHED_HEADER_GUARD_1357924680