mosesdecoder/moses/FF/SoftMatchingFeature.h

79 lines
2.3 KiB
C++

#pragma once
#include <stdexcept>
#include "moses/Util.h"
#include "moses/Word.h"
#include "StatelessFeatureFunction.h"
#include "moses/TranslationModel/PhraseDictionaryNodeMemory.h"
#ifdef WITH_THREADS
#include <boost/thread/shared_mutex.hpp>
#endif
namespace Moses
{
class SoftMatchingFeature : public StatelessFeatureFunction
{
public:
SoftMatchingFeature(const std::string &line);
bool IsUseable(const FactorMask &mask) const {
return true;
}
virtual void EvaluateChart(const ChartHypothesis& hypo,
ScoreComponentCollection* accumulator) const;
void Evaluate(const Phrase &source
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection &estimatedFutureScore) const {};
void Evaluate(const InputType &input
, const InputPath &inputPath
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection *estimatedFutureScore = NULL) const {};
void Evaluate(const Hypothesis& hypo,
ScoreComponentCollection* accumulator) const {};
bool Load(const std::string &filePath);
std::map<Word, std::set<Word> >& Get_Soft_Matches() {
return m_soft_matches;
}
std::map<Word, std::set<Word> >& Get_Soft_Matches_Reverse() {
return m_soft_matches_reverse;
}
const std::string& GetFeatureName(const Word& LHS, const Word& RHS) const;
void SetParameter(const std::string& key, const std::string& value);
private:
std::map<Word, std::set<Word> > m_soft_matches; // map LHS of old rule to RHS of new rle
std::map<Word, std::set<Word> > m_soft_matches_reverse; // map RHS of new rule to LHS of old rule
typedef std::pair<Word, Word> NonTerminalMapKey;
#if defined(BOOST_VERSION) && (BOOST_VERSION >= 104200)
typedef boost::unordered_map<NonTerminalMapKey,
std::string,
NonTerminalMapKeyHasher,
NonTerminalMapKeyEqualityPred> NonTerminalSoftMatchingMap;
#else
typedef std::map<NonTerminalMapKey, std::string> NonTerminalSoftMatchingMap;
#endif
mutable NonTerminalSoftMatchingMap m_soft_matching_cache;
#ifdef WITH_THREADS
//reader-writer lock
mutable boost::shared_mutex m_accessLock;
#endif
};
}