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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
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