mosesdecoder/moses/LM/MultiFactor.h
2013-02-20 23:02:09 +00:00

58 lines
1.8 KiB
C++

// $Id$
/***********************************************************************
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_LanguageModelMultiFactor_h
#define moses_LanguageModelMultiFactor_h
#include <vector>
#include <string>
#include "Implementation.h"
#include "moses/Word.h"
#include "moses/FactorTypeSet.h"
namespace Moses
{
class Phrase;
/* Abstract class for for multi factor LM. Only inherited by the JointLM at the moment.
* Could use this when factored LM are implemented
*/
class LanguageModelMultiFactor : public LanguageModelImplementation
{
protected:
FactorMask m_factorTypes;
LanguageModelMultiFactor(const std::string& description, const std::string &line)
:LanguageModelImplementation(description, line)
{}
public:
virtual bool Load(const std::string &filePath
, const std::vector<FactorType> &factorTypes
, size_t nGramOrder) = 0;
bool Useable(const Phrase &phrase) const;
};
}
#endif