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