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// $Id: DecodeStepTranslation.h 1897 2008-10-08 23:51:26Z hieuhoang1972 $
/***********************************************************************
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 "DecodeStep.h"
namespace Moses
{
class PhraseDictionary;
class TargetPhrase;
//! subclass of DecodeStep for translation step
class DecodeStepTranslation : public DecodeStep
{
public:
DecodeStepTranslation(); //! not implemented
DecodeStepTranslation(PhraseDictionary* dict, const DecodeStep* prev);
//! returns phrase table (dictionary) for translation step
const PhraseDictionary &GetPhraseDictionary() const;
virtual void Process(const TranslationOption &inputPartialTranslOpt
, const DecodeStep &decodeStep
, PartialTranslOptColl &outputPartialTranslOptColl
, TranslationOptionCollection *toc
, bool adhereTableLimit) const;
/*! initialize list of partial translation options by applying the first translation step
* Ideally, this function should be in DecodeStepTranslation class
*/
void ProcessInitialTranslation(
const InputType &source
, PartialTranslOptColl &outputPartialTranslOptColl
, size_t startPos, size_t endPos, bool adhereTableLimit) const;
private:
/*! create new TranslationOption from merging oldTO with mergePhrase
This function runs IsCompatible() to ensure the two can be merged
*/
TranslationOption *MergeTranslation(const TranslationOption& oldTO, const TargetPhrase &targetPhrase) const;
};
}
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