STK_String.h

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/*--------------------------------------------------------------------*/
/*     Copyright (C) 2004  Serge Iovleff

    This program 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 of the
    License, or (at your option) any later version.

    This program 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 program; if not, write to the
    Free Software Foundation, Inc.,
    59 Temple Place,
    Suite 330,
    Boston, MA 02111-1307
    USA

    Contact : Serge.Iovleff@stkpp.org
*/

/*
 * Project:  Base
 * Purpose:  Define the fundamental type String.
 * Author:   Serge Iovleff, serge.iovleff@stkpp.org
 *
 **/

#ifndef STK_STRING_H
#define STK_STRING_H

// C++ headers
#include <string>

// STK headers
#include "STK_Char.h"

namespace STK
{

typedef std::basic_string<Char> String;

template<>
struct Arithmetic<String> : public std::numeric_limits<String>
{
  static String NA() throw()
  { return String();}

  static const bool hasNA = true;

  static bool isNA(String const& x) throw()
  { return (x == NA());}
    
  static bool isInfinite(String const& x) throw()
  { return false; }

  static bool isFinite(String const& x) throw()
  { return (!isNA(x));}
};

template<>
struct IdTypeImpl<String>
{
  static IdType returnType()
  { return(string);}
};

} // namespace STK

#endif /*STK_STRING_H*/