mosesdecoder/moses-cmd/src/IOWrapper.h

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// $Id$

/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (c) 2006 University of Edinburgh
All rights reserved.

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are permitted provided that the following conditions are met:

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                        this list of conditions and the following disclaimer.
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                        may be used to endorse or promote products derived from this software
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// example file on how to use moses library

#ifndef moses_cmd_IOWrapper_h
#define moses_cmd_IOWrapper_h

#include <fstream>
#include <ostream>
#include <vector>
#include "util/check.hh"

#include "TypeDef.h"
#include "Sentence.h"
#include "FactorTypeSet.h"
#include "FactorCollection.h"
#include "Hypothesis.h"
#include "OutputCollector.h"
#include "TrellisPathList.h"
#include "InputFileStream.h"
#include "InputType.h"
#include "WordLattice.h"
#include "LatticeMBR.h"

class IOWrapper
{
protected:
  long m_translationId;

  const std::vector<Moses::FactorType>  &m_inputFactorOrder;
  const std::vector<Moses::FactorType>  &m_outputFactorOrder;
  const Moses::FactorMask                                                       &m_inputFactorUsed;
  std::string                                                                           m_inputFilePath;
  Moses::InputFileStream                                *m_inputFile;
  std::istream                                                                  *m_inputStream;
  std::ostream                                                                  *m_nBestStream
  ,*m_outputWordGraphStream,*m_outputSearchGraphStream;
  std::ostream                  *m_detailedTranslationReportingStream;
  std::ofstream *m_alignmentOutputStream;
  bool                                                                                                  m_surpressSingleBestOutput;

  void Initialization(const std::vector<Moses::FactorType>      &inputFactorOrder
                      , const std::vector<Moses::FactorType>                    &outputFactorOrder
                      , const Moses::FactorMask                                                 &inputFactorUsed
                      , size_t                                                                                          nBestSize
                      , const std::string                                                       &nBestFilePath);

public:
  IOWrapper(const std::vector<Moses::FactorType>        &inputFactorOrder
            , const std::vector<Moses::FactorType>                      &outputFactorOrder
            , const Moses::FactorMask                                                   &inputFactorUsed
            , size_t                                                                                            nBestSize
            , const std::string                                                 &nBestFilePath);

  IOWrapper(const std::vector<Moses::FactorType>        &inputFactorOrder
            , const std::vector<Moses::FactorType>      &outputFactorOrder
            , const Moses::FactorMask                                                   &inputFactorUsed
            , size_t                                                                                            nBestSize
            , const std::string                                                 &nBestFilePath
            , const std::string                                                     &infilePath);
  ~IOWrapper();

  Moses::InputType* GetInput(Moses::InputType *inputType);

  void OutputBestHypo(const Moses::Hypothesis *hypo, long translationId, bool reportSegmentation, bool reportAllFactors);
  void OutputLatticeMBRNBestList(const std::vector<LatticeMBRSolution>& solutions,long translationId);
  void Backtrack(const Moses::Hypothesis *hypo);

  void ResetTranslationId() {
    m_translationId = 0;
  }

  std::ofstream *GetAlignmentOutputStream() {
    return m_alignmentOutputStream;
  }

  std::ostream &GetOutputWordGraphStream() {
    return *m_outputWordGraphStream;
  }
  std::ostream &GetOutputSearchGraphStream() {
    return *m_outputSearchGraphStream;
  }

  std::ostream &GetDetailedTranslationReportingStream() {
    assert (m_detailedTranslationReportingStream);
    return *m_detailedTranslationReportingStream;
  }
};

IOWrapper *GetIODevice(const Moses::StaticData &staticData);
bool ReadInput(IOWrapper &ioWrapper, Moses::InputTypeEnum inputType, Moses::InputType*& source);
void OutputSurface(std::ostream &out, const Moses::Hypothesis *hypo, const std::vector<Moses::FactorType> &outputFactorOrder ,bool reportSegmentation, bool reportAllFactors);
void OutputNBest(std::ostream& out, const Moses::TrellisPathList &nBestList, const std::vector<Moses::FactorType>&,
                 const TranslationSystem* system, long translationId);
void OutputLatticeMBRNBest(std::ostream& out, const std::vector<LatticeMBRSolution>& solutions,long translationId);
void OutputBestHypo(const std::vector<Moses::Word>&  mbrBestHypo, long /*translationId*/,
                    bool reportSegmentation, bool reportAllFactors, std::ostream& out);
void OutputBestHypo(const Moses::TrellisPath &path, long /*translationId*/,bool reportSegmentation, bool reportAllFactors, std::ostream &out);
void OutputInput(std::ostream& os, const Hypothesis* hypo);
void OutputAlignment(OutputCollector* collector, size_t lineNo, const Hypothesis *hypo);
void OutputAlignment(OutputCollector* collector, size_t lineNo,  const TrellisPath &path);

#endif

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