2010-09-17 16:42:33 +04:00
|
|
|
#ifndef moses_TargetBigramFeature_h
|
|
|
|
#define moses_TargetBigramFeature_h
|
2010-09-17 16:50:29 +04:00
|
|
|
|
|
|
|
#include <string>
|
2010-09-17 19:01:14 +04:00
|
|
|
#include <map>
|
2013-05-27 03:33:01 +04:00
|
|
|
#include <boost/unordered_set.hpp>
|
2010-09-17 16:50:29 +04:00
|
|
|
|
2013-05-24 21:02:49 +04:00
|
|
|
#include "moses/FF/FFState.h"
|
2013-05-24 22:11:15 +04:00
|
|
|
#include "StatefulFeatureFunction.h"
|
2013-05-24 21:02:49 +04:00
|
|
|
#include "moses/FactorCollection.h"
|
|
|
|
#include "moses/Word.h"
|
2010-10-15 01:52:35 +04:00
|
|
|
|
2010-09-17 16:42:33 +04:00
|
|
|
namespace Moses
|
|
|
|
{
|
|
|
|
|
2013-05-29 21:16:15 +04:00
|
|
|
class TargetBigramState : public FFState
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
TargetBigramState(const Word& word): m_word(word) {}
|
|
|
|
const Word& GetWord() const {
|
|
|
|
return m_word;
|
|
|
|
}
|
|
|
|
virtual int Compare(const FFState& other) const;
|
|
|
|
|
|
|
|
private:
|
|
|
|
Word m_word;
|
2010-10-15 01:52:35 +04:00
|
|
|
};
|
|
|
|
|
2010-09-17 16:42:33 +04:00
|
|
|
/** Sets the features of observed bigrams.
|
|
|
|
*/
|
2013-05-29 21:16:15 +04:00
|
|
|
class TargetBigramFeature : public StatefulFeatureFunction
|
|
|
|
{
|
2010-09-17 16:42:33 +04:00
|
|
|
public:
|
2013-05-29 21:16:15 +04:00
|
|
|
TargetBigramFeature(const std::string &line);
|
2010-09-17 16:42:33 +04:00
|
|
|
|
2013-06-10 21:11:55 +04:00
|
|
|
void Load();
|
2010-09-17 17:55:00 +04:00
|
|
|
|
2013-05-30 15:41:08 +04:00
|
|
|
bool IsUseable(const FactorMask &mask) const;
|
|
|
|
|
2013-05-29 21:16:15 +04:00
|
|
|
virtual const FFState* EmptyHypothesisState(const InputType &input) const;
|
2010-09-17 16:42:33 +04:00
|
|
|
|
2013-05-29 21:16:15 +04:00
|
|
|
virtual FFState* Evaluate(const Hypothesis& cur_hypo, const FFState* prev_state,
|
|
|
|
ScoreComponentCollection* accumulator) const;
|
2011-08-22 17:52:02 +04:00
|
|
|
|
|
|
|
virtual FFState* EvaluateChart( const ChartHypothesis& /* cur_hypo */,
|
|
|
|
int /* featureID */,
|
2013-05-29 21:16:15 +04:00
|
|
|
ScoreComponentCollection* ) const {
|
2013-08-30 18:49:00 +04:00
|
|
|
throw std::logic_error("TargetBigramFeature not valid in chart decoder");
|
2013-05-29 21:16:15 +04:00
|
|
|
}
|
2013-08-30 18:49:00 +04:00
|
|
|
void Evaluate(const InputType &input
|
2013-09-27 12:35:24 +04:00
|
|
|
, const InputPath &inputPath
|
|
|
|
, const TargetPhrase &targetPhrase
|
2014-05-08 20:51:45 +04:00
|
|
|
, const StackVec *stackVec
|
2013-12-03 19:50:41 +04:00
|
|
|
, ScoreComponentCollection &scoreBreakdown
|
|
|
|
, ScoreComponentCollection *estimatedFutureScore = NULL) const
|
2013-08-30 18:49:00 +04:00
|
|
|
{}
|
2014-07-10 01:35:59 +04:00
|
|
|
void EvaluateInIsolation(const Phrase &source
|
2013-09-27 12:35:24 +04:00
|
|
|
, const TargetPhrase &targetPhrase
|
|
|
|
, ScoreComponentCollection &scoreBreakdown
|
|
|
|
, ScoreComponentCollection &estimatedFutureScore) const
|
2013-08-30 18:49:00 +04:00
|
|
|
{}
|
|
|
|
|
2013-06-20 16:25:02 +04:00
|
|
|
void SetParameter(const std::string& key, const std::string& value);
|
2013-05-02 15:15:26 +04:00
|
|
|
|
2010-09-17 17:55:00 +04:00
|
|
|
private:
|
2010-10-15 01:52:35 +04:00
|
|
|
FactorType m_factorType;
|
|
|
|
Word m_bos;
|
2013-06-10 21:11:55 +04:00
|
|
|
std::string m_filePath;
|
2013-05-27 03:33:01 +04:00
|
|
|
boost::unordered_set<std::string> m_vocab;
|
2010-09-17 16:42:33 +04:00
|
|
|
};
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif // moses_TargetBigramFeature_h
|