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#ifndef DISTORTION_H_ |
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#define DISTORTION_H_ |
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#include "StatefulFeatureFunction.h" |
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#include "../legacy/Range.h" |
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#include "../TypeDef.h" |
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namespace Moses2 |
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{ |
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class Distortion: public StatefulFeatureFunction |
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{ |
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public: |
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Distortion(size_t startInd, const std::string &line); |
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virtual ~Distortion(); |
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virtual FFState* BlankState(MemPool &pool, const System &sys) const; |
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virtual void EmptyHypothesisState(FFState &state, const ManagerBase &mgr, |
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const InputType &input, const Hypothesis &hypo) const; |
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virtual void |
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EvaluateInIsolation(MemPool &pool, const System &system, const Phrase<Moses2::Word> &source, |
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const TargetPhraseImpl &targetPhrase, Scores &scores, |
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SCORE &estimatedScore) const; |
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virtual void |
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EvaluateInIsolation(MemPool &pool, const System &system, const Phrase<SCFG::Word> &source, |
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const TargetPhrase<SCFG::Word> &targetPhrase, Scores &scores, |
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SCORE &estimatedScore) const; |
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virtual void EvaluateWhenApplied(const std::deque<Hypothesis*> &hypos) const { |
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} |
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virtual void EvaluateWhenApplied(const ManagerBase &mgr, |
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const Hypothesis &hypo, const FFState &prevState, Scores &scores, |
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FFState &state) const; |
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virtual void EvaluateWhenApplied(const SCFG::Manager &mgr, |
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const SCFG::Hypothesis &hypo, int featureID, Scores &scores, |
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FFState &state) const; |
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protected: |
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SCORE CalculateDistortionScore(const Range &prev, const Range &curr, |
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const int FirstGap) const; |
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int ComputeDistortionDistance(const Range& prev, const Range& current) const; |
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}; |
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} |
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#endif |
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