mosesdecoder/moses/FF/PhrasePairFeature.h
2013-08-23 15:00:47 +01:00

57 lines
1.3 KiB
C++

#ifndef moses_PhrasePairFeature_h
#define moses_PhrasePairFeature_h
#include <stdexcept>
#include <boost/unordered_set.hpp>
#include "StatelessFeatureFunction.h"
#include "moses/Factor.h"
#include "moses/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;
boost::unordered_set<std::string> m_vocabSource;
DocumentVector m_vocabDomain;
FactorType m_sourceFactorId;
FactorType m_targetFactorId;
bool m_unrestricted;
bool m_simple;
bool m_sourceContext;
bool m_domainTrigger;
bool m_ignorePunctuation;
CharHash m_punctuationHash;
std::string m_filePathSource;
public:
PhrasePairFeature(const std::string &line);
bool IsUseable(const FactorMask &mask) const;
void Evaluate(const Hypothesis& hypo,
ScoreComponentCollection* accumulator) const;
void EvaluateChart(const ChartHypothesis& hypo,
ScoreComponentCollection*) const {
throw std::logic_error("PhrasePairFeature not valid in chart decoder");
}
void Load();
void SetParameter(const std::string& key, const std::string& value);
};
}
#endif