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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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,
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#ifndef ADC_CPP_SUB_PEU_HXX
#define ADC_CPP_SUB_PEU_HXX


// USED SERVICES
	// BASE CLASSES
#include <semantic/parseenv.hxx>
#include <tokens/tokproct.hxx>
	// COMPONENTS
	// PARAMETERS
#include <semantic/sub_pe.hxx>


template <class PE, class SUB>
class SubPeUse  : public SubPeUseIfc,
				  private TokenProcessing_Types
{
  public:
	typedef void (PE::*F_INIT)();
	typedef void (PE::*F_RETURN)();

						SubPeUse(
							SubPe<PE,SUB> &		i_rSubPeCreator,
							F_INIT				i_fInit,
							F_RETURN 			i_fReturn );
						~SubPeUse();

	void				Push(
							E_TokenDone			i_eDone	);
	virtual void		InitParse() const;
	virtual void		GetResults() const;

    PE &                Parent() const;
    SUB &               Child() const;

  private:
	// DATA
	SubPe<PE,SUB> &		rSubPeCreator;
	F_INIT              fInit;
	F_RETURN 			fReturn;
};


// IMPLEMENTATION


template <class PE, class SUB>
SubPeUse<PE,SUB>::SubPeUse( SubPe<PE,SUB> &		i_rSubPeCreator,
						F_INIT				i_fInit,
						F_RETURN 			i_fReturn )
	:	rSubPeCreator(i_rSubPeCreator),
		fInit(i_fInit),
		fReturn(i_fReturn)
{
}

template <class PE, class SUB>
SubPeUse<PE,SUB>::~SubPeUse()
{
}

template <class PE, class SUB>
void
SubPeUse<PE,SUB>::Push( E_TokenDone i_eDone )
{
	Parent().SetTokenResult( i_eDone, push, &rSubPeCreator.Get() );
	Parent().SetCurSPU(this);
}

template <class PE, class SUB>
void
SubPeUse<PE,SUB>::InitParse() const
{
	if (fInit != 0)
		(Parent().*fInit)();
}

template <class PE, class SUB>
void
SubPeUse<PE,SUB>::GetResults() const
{
	if (fReturn != 0)
		(Parent().*fReturn)();
}

template <class PE, class SUB>
inline PE &
SubPeUse<PE,SUB>::Parent() const
{
 	return rSubPeCreator.Parent();
}

template <class PE, class SUB>
inline SUB &
SubPeUse<PE,SUB>::Child() const
{
 	return rSubPeCreator.Child();
}


#endif