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https://github.com/moses-smt/mosesdecoder.git
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70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
#pragma once
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#include <string>
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#include <map>
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#include <vector>
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#include "moses/FF/StatefulFeatureFunction.h"
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#include "moses/Manager.h"
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#include "moses/FF/OSM-Feature/osmHyp.h"
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#include "lm/model.hh"
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namespace Moses
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{
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class OpSequenceModel : public StatefulFeatureFunction
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{
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public:
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lm::ngram::Model * OSM;
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int lmOrder;
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float unkOpProb;
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OpSequenceModel(const std::string &line);
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void readLanguageModel(const char *);
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void Load();
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FFState* Evaluate(
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const Hypothesis& cur_hypo,
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const FFState* prev_state,
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ScoreComponentCollection* accumulator) const;
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void Evaluate(const Phrase &source
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, const TargetPhrase &targetPhrase
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, ScoreComponentCollection &scoreBreakdown
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, ScoreComponentCollection &estimatedFutureScore) const;
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virtual FFState* EvaluateChart(
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const ChartHypothesis& /* cur_hypo */,
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int /* featureID - used to index the state in the previous hypotheses */,
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ScoreComponentCollection* accumulator) const;
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virtual const FFState* EmptyHypothesisState(const InputType &input) const;
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virtual std::string GetScoreProducerWeightShortName(unsigned idx=0) const;
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std::vector<float> GetFutureScores(const Phrase &source, const Phrase &target) const;
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void SetParameter(const std::string& key, const std::string& value);
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bool IsUseable(const FactorMask &mask) const {
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return true;
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}
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protected:
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typedef std::pair<Phrase, Phrase> ParallelPhrase;
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typedef std::vector<float> Scores;
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std::map<ParallelPhrase, Scores> m_futureCost;
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std::vector < std::pair < std::set <int> , std::set <int> > > ceptsInPhrase;
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std::set <int> targetNullWords;
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std::string m_lmPath;
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};
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} // namespace
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