/*
 * Copyright (c) 1995, 1996 Gunther Schadow.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef PG_SITYP_H_
#define PG_SITYP_H_

#include <pg_config.h>

#pragma interface

#include <Primtype.h>

/*
 *  DATA TYPE
 *
 *      SI() -- sequence identifier
 */
class SItyp : public Primtype
{
  unsigned long _int;

 public:
  SItyp();
  SItyp(unsigned long x);

  result input(istream&);
  void   output(ostream&) const;

  operator unsigned long() const;

  const SItyp& operator =  (unsigned long);
  const SItyp& operator += (long);
  const SItyp& operator -= (long);
  const SItyp& operator ++ ();
  const SItyp& operator -- ();

  bool operator == (const SItyp&) const;
  bool operator != (const SItyp&) const;
  bool operator <  (const SItyp&) const;
  bool operator >  (const SItyp&) const;
  bool operator <= (const SItyp&) const;
  bool operator >= (const SItyp&) const;

  long operator - (const SItyp&) const;

  bool operator == (unsigned long) const;
  bool operator != (unsigned long) const;
  bool operator <  (unsigned long) const;
  bool operator >  (unsigned long) const;
  bool operator <= (unsigned long) const;
  bool operator >= (unsigned long) const;
};

#ifndef OUTLINE
# include "SItyp.icc"
#endif

#endif /* !PG_SITYP_H_ */