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55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
#ifndef moses_PhrasePairFeature_h
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#define moses_PhrasePairFeature_h
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#include <stdexcept>
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#include <boost/unordered_set.hpp>
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#include "StatelessFeatureFunction.h"
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#include "moses/Factor.h"
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#include "moses/Sentence.h"
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namespace Moses
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{
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/**
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* Phrase pair feature: complete source/target phrase pair
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**/
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class PhrasePairFeature: public StatelessFeatureFunction
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{
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typedef std::map< char, short > CharHash;
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typedef std::vector< std::set<std::string> > DocumentVector;
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boost::unordered_set<std::string> m_vocabSource;
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DocumentVector m_vocabDomain;
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FactorType m_sourceFactorId;
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FactorType m_targetFactorId;
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bool m_unrestricted;
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bool m_simple;
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bool m_sourceContext;
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bool m_domainTrigger;
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bool m_ignorePunctuation;
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CharHash m_punctuationHash;
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public:
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PhrasePairFeature(const std::string &line);
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bool IsUseable(const FactorMask &mask) const;
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void Evaluate(const PhraseBasedFeatureContext& context,
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ScoreComponentCollection* accumulator) const;
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void EvaluateChart(const ChartBasedFeatureContext& context,
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ScoreComponentCollection*) const {
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throw std::logic_error("PhrasePairFeature not valid in chart decoder");
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}
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bool Load(const std::string &filePathSource/*, const std::string &filePathTarget*/);
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};
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}
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#endif
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