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/***********************************************************************
Moses - statistical machine translation system
Copyright (C) 2006-2012 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
#ifndef PCFG_PCFG_H_
#define PCFG_PCFG_H_
#include <istream>
#include <map>
#include <ostream>
#include <vector>
#include "typedef.h"
namespace MosesTraining {
namespace Syntax {
namespace PCFG {
class Pcfg {
public:
typedef std::vector<std::size_t> Key;
typedef std::map<Key, double> Map;
typedef Map::iterator iterator;
typedef Map::const_iterator const_iterator;
Pcfg() {}
iterator begin() { return rules_.begin(); }
const_iterator begin() const { return rules_.begin(); }
iterator end() { return rules_.end(); }
const_iterator end() const { return rules_.end(); }
void Add(const Key &, double);
bool Lookup(const Key &, double &) const;
void Read(std::istream &, Vocabulary &);
void Write(const Vocabulary &, std::ostream &) const;
private:
Map rules_;
};
} // namespace PCFG
} // namespace Syntax
} // namespace MosesTraining
#endif
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