mosesdecoder/phrase-extract/pcfg-extract/rule_collection.h
2012-05-31 17:24:06 +01:00

60 lines
1.8 KiB
C++

/***********************************************************************
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_EXTRACT_RULE_COLLECTION_H_
#define PCFG_EXTRACT_RULE_COLLECTION_H_
#include "pcfg-common/pcfg.h"
#include <boost/unordered_map.hpp>
#include <vector>
namespace Moses {
namespace PCFG {
// Contains PCFG rules and their counts.
class RuleCollection {
public:
typedef boost::unordered_map<std::vector<std::size_t>, std::size_t> RhsCountMap;
typedef boost::unordered_map<std::size_t, RhsCountMap> Map;
typedef Map::iterator iterator;
typedef Map::const_iterator const_iterator;
RuleCollection() {}
iterator begin() { return collection_.begin(); }
const_iterator begin() const { return collection_.begin(); }
iterator end() { return collection_.end(); }
const_iterator end() const { return collection_.end(); }
void Add(std::size_t, const std::vector<std::size_t> &);
void CreatePcfg(Pcfg &);
private:
Map collection_;
};
} // namespace PCFG
} // namespace Moses
#endif