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#pragma once
#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;
inline std::string ReplaceTilde(const StringPiece &str) const {
std::string out = str.as_string();
size_t pos = out.find('~');
while ( pos != std::string::npos ) {
out.replace(pos,1,"<TILDE>");
pos = out.find('~',pos);
}
return out;
};
public:
PhrasePairFeature(const std::string &line);
void Load();
void SetParameter(const std::string& key, const std::string& value);
bool IsUseable(const FactorMask &mask) const;
void EvaluateInIsolation(const Phrase &source
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection &estimatedScores) const;
void EvaluateTranslationOptionListWithSourceContext(const InputType &input
, const TranslationOptionList &translationOptionList) const {
}
void EvaluateWithSourceContext(const InputType &input
, const InputPath &inputPath
, const TargetPhrase &targetPhrase
, const StackVec *stackVec
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection *estimatedScores = NULL) const;
void EvaluateWhenApplied(const Hypothesis& hypo,
ScoreComponentCollection* accumulator) const {
}
void EvaluateWhenApplied(const ChartHypothesis& hypo,
ScoreComponentCollection*) const {
}
};
}
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