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50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#ifndef moses_SourceWordDeletionFeature_h
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#define moses_SourceWordDeletionFeature_h
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#include <string>
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#include <map>
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#include "FeatureFunction.h"
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#include "FactorCollection.h"
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#include "AlignmentInfo.h"
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namespace Moses
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{
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/** Sets the features for source word deletion
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*/
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class SourceWordDeletionFeature : public StatelessFeatureFunction {
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private:
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std::set<std::string> m_vocab;
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FactorType m_factorType;
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bool m_unrestricted;
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public:
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SourceWordDeletionFeature(FactorType factorType = 0):
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StatelessFeatureFunction("swd", ScoreProducer::unlimited),
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m_factorType(factorType),
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m_unrestricted(true)
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{
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std::cerr << "Initializing source word deletion feature.." << std::endl;
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}
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bool Load(const std::string &filePath);
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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* accumulator) const;
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void ComputeFeatures(const TargetPhrase& targetPhrase,
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ScoreComponentCollection* accumulator,
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const AlignmentInfo &alignmentInfo) const;
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// basic properties
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std::string GetScoreProducerWeightShortName(unsigned) const { return "swd"; }
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size_t GetNumInputScores() const { return 0; }
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};
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}
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#endif // moses_SourceWordDeletionFeature_h
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