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87 lines
3.5 KiB
C++
87 lines
3.5 KiB
C++
// $Id$
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/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2006 University of Edinburgh
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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***********************************************************************/
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#ifndef moses_DecodeStepTranslation_h
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#define moses_DecodeStepTranslation_h
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#include "DecodeStep.h"
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#include "moses/TranslationModel/PhraseDictionary.h"
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#include "InputPath.h"
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namespace Moses
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{
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class PhraseDictionary;
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class TargetPhrase;
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class InputPath;
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//! subclass of DecodeStep for translation step
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class DecodeStepTranslation : public DecodeStep
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{
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public:
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DecodeStepTranslation(); //! not implemented
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DecodeStepTranslation(const PhraseDictionary* phraseFeature,
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const DecodeStep* prev,
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const std::vector<FeatureFunction*> &features);
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virtual void Process(const TranslationOption &inputPartialTranslOpt
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, const DecodeStep &decodeStep
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, PartialTranslOptColl &outputPartialTranslOptColl
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, TranslationOptionCollection *toc
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, bool adhereTableLimit
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, const TargetPhraseCollection *phraseColl) const;
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/*! initialize list of partial translation options by applying the first translation step
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* Ideally, this function should be in DecodeStepTranslation class
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*/
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void ProcessInitialTranslation(const InputType &source
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, PartialTranslOptColl &outputPartialTranslOptColl
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, size_t startPos, size_t endPos, bool adhereTableLimit
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, const InputPath &inputPath
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, const TargetPhraseCollection *phraseColl) const;
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// legacy
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void ProcessInitialTranslationLEGACY(const InputType &source
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, PartialTranslOptColl &outputPartialTranslOptColl
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, size_t startPos, size_t endPos, bool adhereTableLimit
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, const InputPathList &inputPathList) const;
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void ProcessLEGACY(const TranslationOption &inputPartialTranslOpt
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, const DecodeStep &decodeStep
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, PartialTranslOptColl &outputPartialTranslOptColl
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, TranslationOptionCollection *toc
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, bool adhereTableLimit) const;
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private:
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// I'm not sure whether this actually works or not for binary phrase table.
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// The source phrase only appears to contain the 1st word, therefore, this function
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// only compares the 1st word
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const InputPath &GetInputPathLEGACY(const TargetPhrase targetPhrase,
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const Phrase sourcePhrase,
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const InputPathList &inputPathList) const;
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};
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}
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#endif
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