mosesdecoder/mert/SemposScorer.h
2012-06-30 20:23:45 +01:00

72 lines
2.0 KiB
C++

#ifndef MERT_SEMPOSSCORER_H_
#define MERT_SEMPOSSCORER_H_
#include <map>
#include <string>
#include <utility>
#include <vector>
#include <boost/scoped_ptr.hpp>
#include "Scorer.h"
// NOTE: This header should be included in .cpp file
// because SemposScorer wants to know what actual SemposOverlapping type is
// when we implement the scorer in .cpp file.
// However, currently SemposScorer uses a bunch of typedefs, which are
// used in SemposScorer as well as inherited SemposOverlapping classes.
#include "SemposOverlapping.h"
#include "StatisticsBasedScorer.h"
namespace MosesTuning
{
/**
* This class represents sempos based metrics.
*/
class SemposScorer: public StatisticsBasedScorer
{
public:
explicit SemposScorer(const std::string& config);
~SemposScorer();
virtual void setReferenceFiles(const std::vector<std::string>& referenceFiles);
virtual void prepareStats(std::size_t sindex, const std::string& text, ScoreStats& entry);
virtual std::size_t NumberOfScores() const { return m_ovr->NumberOfScores(); }
virtual float calculateScore(const std::vector<int>& comps) const {
return m_ovr->calculateScore(comps);
}
bool EnableDebug() const { return m_enable_debug; }
float weight(int item) const;
private:
boost::scoped_ptr<SemposOverlapping> m_ovr;
std::vector<std::vector<sentence_t> > m_ref_sentences;
typedef std::map<std::string, int> encoding_t;
typedef encoding_t::iterator encoding_it;
encoding_t m_semposMap;
encoding_t m_stringMap;
bool m_enable_debug;
void splitSentence(const std::string& sentence, str_sentence_t& splitSentence);
void encodeSentence(const str_sentence_t& sentence, sentence_t& encodedSentence);
int encodeString(const std::string& str);
int encodeSempos(const std::string& sempos);
std::map<int, float> weightsMap;
void loadWeights(const std::string& weightsfile);
// no copying allowed.
SemposScorer(const SemposScorer&);
SemposScorer& operator=(const SemposScorer&);
};
}
#endif // MERT_SEMPOSSCORER_H_