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Term.hpp

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/*==========================================================================
 * Copyright (c) 2001 Carnegie Mellon University.  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
 *
 *==========================================================================
*/


#ifndef _TERM_HPP
#define _TERM_HPP
#include "Exception.hpp"


class Term {
public:
  Term() { term=NULL; termptr=NULL;}
  virtual ~Term() { free(term); }
  virtual const char* spelling() const { if (term) return term; return termptr; }
  virtual void spelling(const char* str) { free(term); termptr = str; }
  virtual void spelling(const string& str) { free(term); termptr = str.c_str(); }
  virtual void copyspelling(const char* str) { reset(); term=strdup(str); }
  virtual void freespelling() { free(term); }
  virtual void reset() { free(term); termptr=NULL; }
protected:
  char* term;
  const char* termptr;                  
};


#endif



  

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