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time.CalendarGregorian.h

/*----------------------------------------------------------------------------
  SWORD 2000 - Software With Objects for Rapid Development
  Copyright (C) 2003 Eric NICOLAS
  ----------------------------------------------------------------------------
  SWORD 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.

  SWORD 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 SWORD; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  --------------------------------------------------------------------------*/
#ifndef _SWORD_TIME_CALENDARGREGORIAN_
#define _SWORD_TIME_CALENDARGREGORIAN_

#include "sword/time.CalendarWestern.h"
#include "sword.private/time.CalendarWesternImpl.h"
#include "sword.private/time.CalendarGregorianImpl.inl"

namespace sword {


        class SWORDDECL CalendarGregorian : public CalendarWestern {
        public:
                // Implements Calendar
                virtual bool isValid(word day, word month, word year, word hour, word minute, word second, word millisecond) const;

                // Implements CalendarWestern
                virtual bool isLeapYear(word year) const;
                virtual int64 daysInMonth(word month, word year) const;
                virtual int64 daysInYear(word year) const;
                virtual int64 daysWithinYear(word day, word month, word year) const;
                virtual int64 daysBeforeYear(word year) const;
                virtual word weekDay(Time time) const;
                virtual Time easter(word year) const;
                virtual int64 dmy2days_(word day, word month, word year) const;
                virtual void  days2dmy_(int64 days, word &day, word &month, word &year) const;
        private:
                // The implementation is delegated to CalendarWesternImpl, only
                // the Gregorian specific elements are specialized in
                // CalendarGregorianImpl
                typedef CalendarWesternImpl<CalendarGregorianImpl> IMPL;
        };

        // Default instance of this calendar for ease of use
        extern SWORDDECL CalendarGregorian TheCalendarGregorian;

} // namespace sword

#include "sword.private/time.CalendarGregorian.inl"

#endif // _SWORD_TIME_CALENDARGREGORIAN_

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