mosesdecoder/moses/FF/WordTranslationFeature.h
2013-06-20 13:25:02 +01:00

61 lines
1.5 KiB
C++

#ifndef moses_WordTranslationFeature_h
#define moses_WordTranslationFeature_h
#include <string>
#include <boost/unordered_set.hpp>
#include "moses/FactorCollection.h"
#include "moses/Sentence.h"
#include "FFState.h"
#include "StatelessFeatureFunction.h"
namespace Moses
{
/** Sets the features for word translation
*/
class WordTranslationFeature : public StatelessFeatureFunction
{
typedef std::map< char, short > CharHash;
typedef std::vector< boost::unordered_set<std::string> > DocumentVector;
private:
boost::unordered_set<std::string> m_vocabSource;
boost::unordered_set<std::string> m_vocabTarget;
DocumentVector m_vocabDomain;
FactorType m_factorTypeSource;
FactorType m_factorTypeTarget;
bool m_unrestricted;
bool m_simple;
bool m_sourceContext;
bool m_targetContext;
bool m_domainTrigger;
bool m_ignorePunctuation;
CharHash m_punctuationHash;
std::string m_filePathSource;
std::string m_filePathTarget;
public:
WordTranslationFeature(const std::string &line);
bool IsUseable(const FactorMask &mask) const;
void Load();
const FFState* EmptyHypothesisState(const InputType &) const {
return new DummyState();
}
void Evaluate(const PhraseBasedFeatureContext& context,
ScoreComponentCollection* accumulator) const;
void EvaluateChart(const ChartBasedFeatureContext& context,
ScoreComponentCollection* accumulator) const;
void SetParameter(const std::string& key, const std::string& value);
};
}
#endif // moses_WordTranslationFeature_h