mosesdecoder/OnDiskPt/Vocab.h

59 lines
1.7 KiB
C++

#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/TypeDef.h"
namespace OnDiskPt
{
class OnDiskWrapper;
/* A bidirectional map of string<->contiguous id
* No distinction between source and target language
*/
class Vocab
{
protected:
typedef std::map<std::string, uint64_t> CollType;
CollType m_vocabColl;
std::vector<std::string> m_lookup; // opposite of m_vocabColl
uint64_t m_nextId; // starts @ 1
public:
Vocab()
:m_nextId(1) {
}
uint64_t AddVocabId(const std::string &str);
uint64_t GetVocabId(const std::string &str, bool &found) const;
const std::string &GetString(uint64_t vocabId) const {
return m_lookup[vocabId];
}
bool Load(OnDiskWrapper &onDiskWrapper);
void Save(OnDiskWrapper &onDiskWrapper);
};
}