mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-08-16 06:50:32 +03:00
bcb0212b5b
... not in the FF constructor any more. This is related to a bug fix in Base.cpp, related to moving the LM OOV feature specification from the global space into the setup of individual LMs (to eliminate the dependence on StaticData in the LM constructors).
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
// -*- mode: c++; indent-tabs-mode: nil; tab-width:2 -*-
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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_LanguageModelSingleFactor_h
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#define moses_LanguageModelSingleFactor_h
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#include "Implementation.h"
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#include "moses/Phrase.h"
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namespace Moses
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{
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class FactorCollection;
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class Factor;
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//! Abstract class for for single factor LM
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class LanguageModelSingleFactor : public LanguageModelImplementation
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{
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protected:
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typedef const void *State;
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const Factor *m_sentenceStart, *m_sentenceEnd;
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FactorType m_factorType;
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FFState *m_nullContextState;
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FFState *m_beginSentenceState;
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LanguageModelSingleFactor(const std::string &line);
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public:
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virtual ~LanguageModelSingleFactor();
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bool IsUseable(const FactorMask &mask) const;
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virtual void SetParameter(const std::string& key, const std::string& value);
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const Factor *GetSentenceStart() const {
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return m_sentenceStart;
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}
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const Factor *GetSentenceEnd() const {
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return m_sentenceEnd;
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}
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FactorType GetFactorType() const {
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return m_factorType;
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}
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virtual const FFState *GetNullContextState() const;
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virtual const FFState *GetBeginSentenceState() const;
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virtual FFState *NewState(const FFState *from = NULL) const;
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virtual LMResult GetValueForgotState(const std::vector<const Word*> &contextFactor, FFState &outState) const;
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protected:
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virtual LMResult GetValue(const std::vector<const Word*> &contextFactor, State* finalState = NULL) const = 0;
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public:
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std::string DebugContextFactor(const std::vector<const Word*> &contextFactor) const;
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};
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}
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#endif
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