mosesdecoder/moses/PhrasePairFeature.h
2013-01-15 15:04:32 +00:00

56 lines
1.5 KiB
C++

#ifndef moses_PhrasePairFeature_h
#define moses_PhrasePairFeature_h
#include <stdexcept>
#include "Factor.h"
#include "FeatureFunction.h"
#include "Sentence.h"
namespace Moses {
/**
* Phrase pair feature: complete source/target phrase pair
**/
class PhrasePairFeature: public StatelessFeatureFunction {
typedef std::map< char, short > CharHash;
typedef std::vector< std::set<std::string> > DocumentVector;
std::set<std::string> m_vocabSource;
//std::set<std::string> m_vocabTarget;
DocumentVector m_vocabDomain;
FactorType m_sourceFactorId;
FactorType m_targetFactorId;
bool m_unrestricted;
bool m_simple;
bool m_sourceContext;
bool m_domainTrigger;
float m_sparseProducerWeight;
bool m_ignorePunctuation;
CharHash m_punctuationHash;
public:
PhrasePairFeature(const std::string &line);
void Evaluate(const PhraseBasedFeatureContext& context,
ScoreComponentCollection* accumulator) const;
void EvaluateChart(const ChartBasedFeatureContext& context,
ScoreComponentCollection*) const {
throw std::logic_error("PhrasePairFeature not valid in chart decoder");
}
bool ComputeValueInTranslationOption() const;
bool Load(const std::string &filePathSource/*, const std::string &filePathTarget*/);
void SetSparseProducerWeight(float weight) { m_sparseProducerWeight = weight; }
float GetSparseProducerWeight() const { return m_sparseProducerWeight; }
};
}
#endif