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42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
#ifndef moses_PhraseLengthFeature_h
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#define moses_PhraseLengthFeature_h
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#include <stdexcept>
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#include <string>
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#include <map>
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#include "FactorCollection.h"
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#include "FeatureFunction.h"
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#include "FFState.h"
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#include "Word.h"
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namespace Moses
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{
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/** Sets the features for length of source phrase, target phrase, both.
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*/
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class PhraseLengthFeature : public StatelessFeatureFunction {
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public:
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PhraseLengthFeature(const std::string &line);
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virtual StatelessFeatureType GetStatelessFeatureType() const
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{ return RequiresSegmentation; }
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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("PhraseLengthFeature not valid in chart decoder");
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}
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virtual void Evaluate(const TargetPhrase &targetPhrase
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, ScoreComponentCollection &scoreBreakdown
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, ScoreComponentCollection &estimatedFutureScore) const;
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};
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}
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#endif // moses_PhraseLengthFeature_h
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