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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 <iostream>
#include <map>
#include <list>
#include <vector>
#include <string>
#include "Phrase.h"
#include "TargetPhrase.h"
#include "Dictionary.h"
#include "TargetPhraseCollection.h"
class StaticData;
class InputType;
class WordsRange;
/** abstract base class for phrase table classes
*/
class PhraseDictionary : public Dictionary, public ScoreProducer
{
protected:
size_t m_tableLimit;
std::string m_filePath; // just for debugging purposes
public:
PhraseDictionary(size_t numScoreComponent);
virtual ~PhraseDictionary();
DecodeType GetDecodeType() const { return Translate; }
//! table limit number.
size_t GetTableLimit() const { return m_tableLimit; }
//! Overriden by load on demand phrase tables classes to load data for each input
virtual void InitializeForInput(InputType const &/*source*/) {}
std::string GetScoreProducerDescription() const;
size_t GetNumScoreComponents() const;
/** set/change translation weights and recalc weighted score for each translation.
* TODO This may be redundant now we use ScoreCollection
*/
virtual void SetWeightTransModel(const std::vector<float> &weightT)=0;
//! find list of translations that can translates src. Only for phrase input
virtual const TargetPhraseCollection *GetTargetPhraseCollection(const Phrase& src) const=0;
//! find list of translations that can translates a portion of src. Used by confusion network decoding
virtual const TargetPhraseCollection *GetTargetPhraseCollection(InputType const& src,WordsRange const& range) const;
//! Create entry for translation of source to targetPhrase
virtual void AddEquivPhrase(const Phrase &source, const TargetPhrase &targetPhrase)=0;
};
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