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KeyfileWordMap.hpp

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/*==========================================================================
 * Copyright (c) 2004 University of Massachusetts.  All Rights Reserved.
 *
 * Use of the Lemur Toolkit for Language Modeling and Information Retrieval
 * is subject to the terms of the software license set forth in the LICENSE
 * file included with this software, and also available at
 * http://www.lemurproject.org/license.html
 *
 *==========================================================================
*/


//
// KeyfileWordMap
//
// 4 February 2004 -- tds
//
// A simple wrapper around Keyfile to provide a
// (word <-> int) mapping.
//

#ifndef INDRI_KEYFILEWORDMAP_HPP
#define INDRI_KEYFILEWORDMAP_HPP

#include <string>
#include "Keyfile.hpp"

class KeyfileWordMap {
private:
  Keyfile _wordToInt;
  Keyfile _intToWord;
  char _wordBuffer[ 1024 ];

public:
  void create( std::string& path, const std::string& intSuffix, const std::string& wordSuffix );
  void open( std::string& path, const std::string& intSuffix, const std::string& wordSuffix );
  void openRead( std::string& path, const std::string& intSuffix, const std::string& wordSuffix );
  void close();
  int lookupID( const char* word );
  const char* lookupWord( int id );
  void put( int id, const char* word );
};

#endif // INDRI_KEYFILEWORDMAP_HPP

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