mosesdecoder/moses/FactorTypeSet.h

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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_FactorTypeSet_h
#define moses_FactorTypeSet_h
#include <iostream>
#include <bitset>
#include <vector>
#include "TypeDef.h"
#include "Util.h"
namespace Moses
{
/** set of unique FactorTypes. Used to store what factor types are used in phrase tables etc
*/
class FactorMask : public std::bitset<MAX_NUM_FACTORS>
{
friend std::ostream& operator<<(std::ostream&, const FactorMask&);
public:
//! construct object from list of FactorType.
explicit FactorMask(const std::vector<FactorType> &factors);
//! default constructor
inline FactorMask() {}
//! copy constructor
FactorMask(const std::bitset<MAX_NUM_FACTORS>& rhs) : std::bitset<MAX_NUM_FACTORS>(rhs) { }
bool IsUseable(const FactorMask &other) const;
TO_STRING();
};
}
#endif