mosesdecoder/moses/Syntax/S2T/Manager.h
2014-11-10 16:54:14 +00:00

70 lines
1.3 KiB
C++

#pragma once
#include <vector>
#include <boost/shared_ptr.hpp>
#include "moses/InputType.h"
#include "moses/Syntax/KBestExtractor.h"
#include "moses/Syntax/SVertexStack.h"
#include "OovHandler.h"
#include "ParserCallback.h"
#include "PChart.h"
#include "SChart.h"
namespace Moses
{
namespace Syntax
{
class SDerivation;
struct SHyperedge;
namespace S2T
{
template<typename Parser>
class Manager
{
public:
Manager(const InputType &);
void Decode();
// Get the SHyperedge for the 1-best derivation.
const SHyperedge *GetBestSHyperedge() const;
void ExtractKBest(
std::size_t k,
std::vector<boost::shared_ptr<KBestExtractor::Derivation> > &kBestList,
bool onlyDistinct=false) const;
const std::set<Word> &GetUnknownWords() const { return m_oovs; }
private:
void FindOovs(const PChart &, std::set<Word> &, std::size_t);
void InitializeCharts();
void InitializeParsers(PChart &, std::size_t);
void RecombineAndSort(const std::vector<SHyperedge*> &, SVertexStack &);
void PrunePChart(const SChart::Cell &, PChart::Cell &);
const InputType &m_source;
PChart m_pchart;
SChart m_schart;
std::set<Word> m_oovs;
boost::shared_ptr<typename Parser::RuleTrie> m_oovRuleTrie;
std::vector<boost::shared_ptr<Parser> > m_parsers;
};
} // S2T
} // Syntax
} // Moses
// Implementation
#include "Manager-inl.h"