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// $Id: PhraseDictionaryMemory.cpp 2477 2009-08-07 16:47:54Z bhaddow $
// vim:tabstop=2

/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2010 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
***********************************************************************/
#ifndef moses_DecodeFeature
#define moses_DecodeFeature

#include <vector>

#include "moses/FF/StatelessFeatureFunction.h"
#include "moses/FactorTypeSet.h"
#include "moses/TypeDef.h"

namespace Moses
{
class DecodeStep;
class DecodeGraph;

/**
  * Baseclass for phrase-table or generation table feature function
 **/
class DecodeFeature : public StatelessFeatureFunction
{

public:
  DecodeFeature(const std::string &line, bool registerNow);

  DecodeFeature(size_t numScoreComponents
                , const std::string &line);

  DecodeFeature(size_t numScoreComponents
                , const std::vector<FactorType> &input
                , const std::vector<FactorType> &output
                , const std::string &line);

  //! returns output factor types as specified by the ini file
  const FactorMask& GetOutputFactorMask() const;

  //! returns input factor types as specified by the ini file
  const FactorMask& GetInputFactorMask() const;

  const std::vector<FactorType>& GetInput() const;
  const std::vector<FactorType>& GetOutput() const;

  bool IsUseable(const FactorMask &mask) const;
  void SetParameter(const std::string& key, const std::string& value);

  void EvaluateWhenApplied(const Hypothesis& hypo,
                           ScoreComponentCollection* accumulator) const {
  }
  void EvaluateWhenApplied(const ChartHypothesis &hypo,
                           ScoreComponentCollection* accumulator) const {
  }
  void EvaluateWhenApplied(const Syntax::SHyperedge &hyperedge,
                           ScoreComponentCollection* accumulator) const {
  }
  void EvaluateWithSourceContext(const InputType &input
                                 , const InputPath &inputPath
                                 , const TargetPhrase &targetPhrase
                                 , const StackVec *stackVec
                                 , ScoreComponentCollection &scoreBreakdown
                                 , ScoreComponentCollection *estimatedScores = NULL) const {
  }
  void EvaluateTranslationOptionListWithSourceContext(const InputType &input
      , const TranslationOptionList &translationOptionList) const {
  }

  void EvaluateInIsolation(const Phrase &source
                           , const TargetPhrase &targetPhrase
                           , ScoreComponentCollection &scoreBreakdown
                           , ScoreComponentCollection &estimatedScores) const {
  }

  void SetContainer(const DecodeStep *container) {
    m_container = container;
  }

  const DecodeGraph &GetDecodeGraph() const;

protected:
  std::vector<FactorType> m_input;
  std::vector<FactorType> m_output;
  FactorMask m_inputFactors;
  FactorMask m_outputFactors;
  const DecodeStep *m_container;
};

}

#endif

	// $Id: PhraseDictionaryMemory.cpp 2477 2009-08-07 16:47:54Z bhaddow $
	// vim:tabstop=2

	/***********************************************************************
	Moses - factored phrase-based language decoder
	Copyright (C) 2010 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
	***********************************************************************/
	#ifndef moses_DecodeFeature
	#define moses_DecodeFeature

	#include <vector>

	#include "moses/FF/StatelessFeatureFunction.h"
	#include "moses/FactorTypeSet.h"
	#include "moses/TypeDef.h"

	namespace Moses
	{
	class DecodeStep;
	class DecodeGraph;

	/**
	* Baseclass for phrase-table or generation table feature function
	**/
	class DecodeFeature : public StatelessFeatureFunction
	{

	public:
	DecodeFeature(const std::string &line, bool registerNow);

	DecodeFeature(size_t numScoreComponents
	, const std::string &line);

	DecodeFeature(size_t numScoreComponents
	, const std::vector<FactorType> &input
	, const std::vector<FactorType> &output
	, const std::string &line);

	//! returns output factor types as specified by the ini file
	const FactorMask& GetOutputFactorMask() const;

	//! returns input factor types as specified by the ini file
	const FactorMask& GetInputFactorMask() const;

	const std::vector<FactorType>& GetInput() const;
	const std::vector<FactorType>& GetOutput() const;

	bool IsUseable(const FactorMask &mask) const;
	void SetParameter(const std::string& key, const std::string& value);

	void EvaluateWhenApplied(const Hypothesis& hypo,
	ScoreComponentCollection* accumulator) const {
	}
	void EvaluateWhenApplied(const ChartHypothesis &hypo,
	ScoreComponentCollection* accumulator) const {
	}
	void EvaluateWhenApplied(const Syntax::SHyperedge &hyperedge,
	ScoreComponentCollection* accumulator) const {
	}
	void EvaluateWithSourceContext(const InputType &input
	, const InputPath &inputPath
	, const TargetPhrase &targetPhrase
	, const StackVec *stackVec
	, ScoreComponentCollection &scoreBreakdown
	, ScoreComponentCollection *estimatedScores = NULL) const {
	}
	void EvaluateTranslationOptionListWithSourceContext(const InputType &input
	, const TranslationOptionList &translationOptionList) const {
	}

	void EvaluateInIsolation(const Phrase &source
	, const TargetPhrase &targetPhrase
	, ScoreComponentCollection &scoreBreakdown
	, ScoreComponentCollection &estimatedScores) const {
	}

	void SetContainer(const DecodeStep *container) {
	m_container = container;
	}

	const DecodeGraph &GetDecodeGraph() const;

	protected:
	std::vector<FactorType> m_input;
	std::vector<FactorType> m_output;
	FactorMask m_inputFactors;
	FactorMask m_outputFactors;
	const DecodeStep *m_container;
	};

	}

	#endif