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https://github.com/moses-smt/mosesdecoder.git
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81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
#pragma once
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#include <string>
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#include <boost/unordered_set.hpp>
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#include <util/string_piece.hh>
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#include "moses/Factor.h"
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#include "moses/Sentence.h"
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#include "StatelessFeatureFunction.h"
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#include "FFState.h"
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namespace Moses
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{
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class SparseHieroReorderingFeature : public StatelessFeatureFunction
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{
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public:
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enum Type {
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SourceCombined,
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SourceLeft,
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SourceRight
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};
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SparseHieroReorderingFeature(const std::string &line);
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bool IsUseable(const FactorMask &mask) const
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{ return true; }
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void SetParameter(const std::string& key, const std::string& value);
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void EvaluateInIsolation(const Phrase &source
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, const TargetPhrase &targetPhrase
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, ScoreComponentCollection &scoreBreakdown
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, ScoreComponentCollection &estimatedFutureScore) const
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{}
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virtual void Evaluate(const InputType &input
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, const InputPath &inputPath
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, const TargetPhrase &targetPhrase
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, const StackVec *stackVec
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, ScoreComponentCollection &scoreBreakdown
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, ScoreComponentCollection *estimatedFutureScore = NULL) const
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{}
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virtual void Evaluate(const Hypothesis& hypo,
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ScoreComponentCollection* accumulator) const
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{}
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void EvaluateChart(const ChartHypothesis &hypo,
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ScoreComponentCollection* accumulator) const;
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private:
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typedef boost::unordered_set<const Factor*> Vocab;
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void AddNonTerminalPairFeatures(
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const Sentence& sentence, const WordsRange& nt1, const WordsRange& nt2,
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bool isMonotone, ScoreComponentCollection* accumulator) const;
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void LoadVocabulary(const std::string& filename, Vocab& vocab);
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const Factor* GetFactor(const Word& word, const Vocab& vocab, FactorType factor) const;
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Type m_type;
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FactorType m_sourceFactor;
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FactorType m_targetFactor;
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std::string m_sourceVocabFile;
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std::string m_targetVocabFile;
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const Factor* m_otherFactor;
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Vocab m_sourceVocab;
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Vocab m_targetVocab;
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};
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}
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