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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
***********************************************************************/
#ifndef moses_PhraseDictionary_h
#define moses_PhraseDictionary_h
#include <iostream>
#include <map>
#include <memory>
#include <list>
#include <stdexcept>
#include <vector>
#include <string>
#ifdef WITH_THREADS
#include <boost/thread/tss.hpp>
#endif
#include "moses/Phrase.h"
#include "moses/TargetPhrase.h"
#include "moses/TargetPhraseCollection.h"
#include "moses/DecodeFeature.h"
namespace Moses
{
class StaticData;
class InputType;
class WordsRange;
class ChartCellCollectionBase;
class ChartRuleLookupManager;
/**
* Abstract base class for phrase dictionaries (tables).
**/
class PhraseDictionary : public DecodeFeature
{
public:
PhraseDictionary(const std::string &description, const std::string &line);
virtual ~PhraseDictionary() {
}
//! table limit number.
size_t GetTableLimit() const {
return m_tableLimit;
}
//! 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 InitializeForInput(InputType const& source) {
}
// clean up temporary memory, called after processing each sentence
virtual void CleanUpAfterSentenceProcessing(const InputType& source) {
}
//! Create a sentence-specific manager for SCFG rule lookup.
virtual ChartRuleLookupManager *CreateRuleLookupManager(
const InputType &,
const ChartCellCollectionBase &) = 0;
//Get the dictionary. Be sure to initialise it first.
const PhraseDictionary* GetDictionary() const;
PhraseDictionary* GetDictionary();
const std::string &GetFilePath() const {
return m_filePath;
}
const std::vector<FeatureFunction*> &GetFeaturesToApply() const {
return m_featuresToApply;
}
bool OverrideParameter(const std::string& key, const std::string& value);
protected:
size_t m_tableLimit;
std::string m_filePath;
std::string m_targetFile;
std::string m_alignmentsFile;
std::vector<FeatureFunction*> m_featuresToApply;
};
}
#endif
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