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// $Id$
/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 University of Edinburgh
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
#pragma once
#include <list>
#include "TypeDef.h"
#include "TranslationOption.h"
#include "SquareMatrix.h"
#include "WordsBitmap.h"
#include "PartialTranslOptColl.h"
#include "DecodeStep.h"
class LanguageModel;
class FactorCollection;
class InputType;
class PhraseDictionary;
class GenerationDictionary;
class InputType;
class LMList;
typedef std::vector<const TranslationOption*> TranslationOptionList;
class TranslationOptionCollection
{
friend std::ostream& operator<<(std::ostream& out, const TranslationOptionCollection& coll);
TranslationOptionCollection(const TranslationOptionCollection&); // no copy constructor
protected:
std::vector< std::vector< TranslationOptionList > > m_collection;
InputType const &m_source;
SquareMatrix m_futureScore;
WordsBitmap m_unknownWordPos;
const size_t m_maxNoTransOptPerCoverage;
const LMList *m_allLM;
TranslationOptionCollection(InputType const& src, size_t maxNoTransOptPerCoverage);
void CalcFutureScore(size_t verboseLevel);
virtual void ProcessInitialTranslation(const DecodeStep &decodeStep
, FactorCollection &factorCollection
, float weightWordPenalty
, int dropUnknown
, size_t verboseLevel
, PartialTranslOptColl &outputPartialTranslOptColl);
virtual void ProcessUnknownWord(size_t sourcePos
, int dropUnknown
, FactorCollection &factorCollection
, float weightWordPenalty)=0;
virtual void ProcessOneUnknownWord(const FactorArray &sourceWord
, size_t sourcePos
, int dropUnknown
, FactorCollection &factorCollection
, float weightWordPenalty);
void ProcessGeneration( const TranslationOption &inputPartialTranslOpt
, const DecodeStep &decodeStep
, PartialTranslOptColl &outputPartialTranslOptColl
, int dropUnknown
, FactorCollection &factorCollection
, float weightWordPenalty);
void ProcessTranslation( const TranslationOption &inputPartialTranslOpt
, const DecodeStep &decodeStep
, PartialTranslOptColl &outputPartialTranslOptColl
, int dropUnknown
, FactorCollection &factorCollection
, float weightWordPenalty);
void ComputeFutureScores(size_t verboseLevel);
void Prune();
TranslationOptionList &GetTranslationOptionList(size_t startPos, size_t endPos)
{
return m_collection[startPos][endPos - startPos];
}
public:
virtual ~TranslationOptionCollection();
// get length/size of source input
size_t GetSize() const;
virtual void CreateTranslationOptions(const std::list < DecodeStep > &decodeStepList
, const LMList &allLM
, FactorCollection &factorCollection
, float weightWordPenalty
, bool dropUnknown
, size_t verboseLevel);
void Add(const TranslationOption *translationOption);
inline virtual const SquareMatrix &GetFutureScore() const
{
return m_futureScore;
}
const TranslationOptionList &GetTranslationOptionList(size_t startPos, size_t endPos) const
{
return m_collection[startPos][endPos - startPos];
}
const TranslationOptionList &GetTranslationOptionList(const WordsRange &coverage) const
{
return GetTranslationOptionList(coverage.GetStartPos(), coverage.GetEndPos());
}
TO_STRING;
};
inline std::ostream& operator<<(std::ostream& out, const TranslationOptionCollection& coll)
{
std::vector< std::vector< TranslationOptionList > >::const_iterator i = coll.m_collection.begin();
size_t j = 0;
for (; i!=coll.m_collection.end(); ++i) {
out << "s[" << j++ << "].size=" << i->size() << std::endl;
}
/*
TranslationOptionCollection::const_iterator iter;
for (iter = coll.begin() ; iter != coll.end() ; ++iter)
{
TRACE_ERR (*iter << std::endl);
}
*/
return out;
}
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