/*
 * 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_TSTYP_H_
#define PG_TSTYP_H_

#include <pg_config.h>

#pragma interface
#include <Timebase.h>
#include <TMtyp.h>
#include <DTtyp.h>

class TStyp : public Timebase
{
 public:
  enum precision {
    pyear   = 'Y',
    pmonth  = 'M',
    pday    = 'D',
    phour   = 'H',
    pminute = 'M',
    psecond = 'S',
    pmax    = '\0',
  };
  
 private:
  TMtyp _time;
  DTtyp _date;
  precision _prec;

 public:
  TStyp();
  TStyp(int year, int month, int day,
        int hour, int minute, int second,
	int tzHours = TMtyp::TimeZoneUndef, int tzMinutes = 0,
	int frac = TMtyp::FracUndef, precision prec=pmax);
  TStyp(const DTtyp&, const TMtyp&);
  TStyp(const DTtyp&);

  operator DTtyp& ();
  operator TMtyp& ();

  int getHour()          const;
  int getMin()           const;
  int getSec()           const;
  int getFrac()          const;
  int getTimeZoneHours() const;
  int getTimeZoneMin()   const;
  int getYear()          const;
  int getMonth()         const;
  int getDay()           const;
  precision getPrec()    const;

  void set(); /* sets the time stamp to the current system time */

  void setYear(int);
  void setMonth(int);
  void setDay(int);
  void setHour(int);
  void setMin(int);
  void setSec(int);
  void setFrac(int);
  void setTimeZoneHours(int);
  void setTimeZoneMin(int);
  void setPrec(precision);

  void unset();
  void nullify();

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

  friend void stamp(TStyp&);
};

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

#endif /* !PG_TSTYP_H_ */