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https://github.com/moses-smt/mosesdecoder.git
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57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
#pragma once
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#include "StatelessFeatureFunction.h"
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namespace Moses
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{
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class PhraseDistanceFeature : public StatelessFeatureFunction
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{
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enum Measure {
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EuclideanDistance,
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TotalVariationDistance,
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};
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public:
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PhraseDistanceFeature(const std::string &line);
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bool IsUseable(const FactorMask &mask) const {
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return true;
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}
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virtual void EvaluateInIsolation(const Phrase &source
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, const TargetPhrase &targetPhrase
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, ScoreComponentCollection &scoreBreakdown
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, ScoreComponentCollection &estimatedScores) const {
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}
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void EvaluateWhenApplied(const Hypothesis& hypo,
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ScoreComponentCollection* accumulator) const {
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}
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void EvaluateWhenApplied(const ChartHypothesis &hypo,
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ScoreComponentCollection* accumulator) const {
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}
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void EvaluateWhenApplied(const Syntax::SHyperedge &hyperedge,
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ScoreComponentCollection* accumulator) const {
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}
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void EvaluateWithSourceContext(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 *estimatedScores = NULL) const;
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void EvaluateTranslationOptionListWithSourceContext(const InputType &input
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, const TranslationOptionList &translationOptionList) const {
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}
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void SetParameter(const std::string& key, const std::string& value);
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protected:
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Measure m_measure;
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std::string m_space;
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size_t m_spaceID;
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};
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} //namespace
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