mosesdecoder/moses/TranslationTask.h
2014-12-05 19:40:51 +00:00

77 lines
2.0 KiB
C++

#pragma once
#include <boost/smart_ptr/shared_ptr.hpp>
#include "moses/ThreadPool.h"
#include "moses/Manager.h"
#include "moses/HypergraphOutput.h"
#include "moses/IOWrapper.h"
#include "moses/Manager.h"
#include "moses/ChartManager.h"
#include "moses/Syntax/S2T/Manager.h"
namespace Moses
{
class InputType;
class OutputCollector;
/** Translates a sentence.
* - calls the search (Manager)
* - applies the decision rule
* - outputs best translation and additional reporting
**/
class TranslationTask : public Moses::Task
{
public:
TranslationTask(Moses::InputType* source, Moses::IOWrapper &ioWrapper,
boost::shared_ptr<Moses::HypergraphOutput<Moses::Manager> > hypergraphOutput);
TranslationTask(Moses::InputType *source, IOWrapper &ioWrapper,
boost::shared_ptr<Moses::HypergraphOutput<Moses::ChartManager> > hypergraphOutputChart);
~TranslationTask();
/** Translate one sentence
* gets called by main function implemented at end of this source file */
void Run();
private:
int m_pbOrChart; // 1=pb. 2=chart
Moses::InputType* m_source;
Moses::IOWrapper &m_ioWrapper;
boost::shared_ptr<Moses::HypergraphOutput<Moses::Manager> > m_hypergraphOutput;
boost::shared_ptr<Moses::HypergraphOutput<Moses::ChartManager> > m_hypergraphOutputChart;
void RunPb();
void RunChart();
template<typename Parser>
void DecodeS2T() {
const StaticData &staticData = StaticData::Instance();
const std::size_t translationId = m_source->GetTranslationId();
Syntax::S2T::Manager<Parser> manager(*m_source);
manager.Decode();
// 1-best
const Syntax::SHyperedge *best = manager.GetBestSHyperedge();
m_ioWrapper.OutputBestHypo(best, translationId);
// n-best
manager.OutputNBest(m_ioWrapper.GetNBestOutputCollector());
// Write 1-best derivation (-translation-details / -T option).
manager.OutputDetailedTranslationReport(m_ioWrapper.GetDetailedTranslationCollector());
manager.OutputUnknowns(m_ioWrapper.GetUnknownsCollector());
}
};
} //namespace