mosesdecoder/OnDiskPt/src/Vocab.h

#pragma once
// $Id$
/***********************************************************************
 Moses - factored phrase-based, hierarchical and syntactic language decoder
 Copyright (C) 2009 Hieu Hoang
 
 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
 ***********************************************************************/
#include <string>
#include <map>
#include "../../moses/src/TypeDef.h"

namespace Moses
{
	class Factor;
}

namespace OnDiskPt
{

class OnDiskWrapper;

class Vocab
{
protected:	
	typedef std::map<std::string, UINT64> CollType;
	CollType m_vocabColl;

	std::vector<std::string> m_lookup; // opposite of m_vocabColl	
	UINT64 m_nextId; // starts @ 1
	
	const std::string &GetString(UINT32 vocabId) const
	{ return m_lookup[vocabId]; }

public:
	Vocab()
	:m_nextId(1)
	{}
	UINT64 AddVocabId(const std::string &factorString);
	UINT64 GetVocabId(const std::string &factorString, bool &found) const;
	const Moses::Factor *GetFactor(UINT32 vocabId, Moses::FactorType factorType, Moses::FactorDirection direction, bool isNonTerminal) const;

	bool Load(OnDiskWrapper &onDiskWrapper);
	void Save(OnDiskWrapper &onDiskWrapper);
};

}