// $Id$

/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 University of Edinburgh

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
***********************************************************************/

#pragma once

#include <vector>
#include "FactorTypeSet.h"
#include "ScoreProducer.h"

/** Abstract class from which PhraseDictionary and GenerationDictionary
	* are inherited.
*/
class Dictionary
{
protected:
	
	const size_t m_numScoreComponent;
	FactorMask m_inputFactors;
	FactorMask m_outputFactors;

public:
	//! Constructor
	Dictionary(size_t numScoreComponent);
	//!Destructor
	virtual ~Dictionary();

	//! returns output factor types as specified by the ini file
	const FactorMask& GetOutputFactorMask() const
	{
		return m_outputFactors;
	}
	//! returns input factor types as specified by the ini file
	const FactorMask& GetInputFactorMask() const
	{
		return m_inputFactors;
	}

	//! returns whether this dictionary is to be used for Translate or Generate
	virtual DecodeType GetDecodeType() const = 0;

	// clean up temporary memory, called after processing each sentence
	virtual void CleanUp();
};