Chris@16: #ifndef DATE_TIME_GREGORIAN_CALENDAR_HPP__
Chris@16: #define DATE_TIME_GREGORIAN_CALENDAR_HPP__
Chris@16: 
Chris@16: /* Copyright (c) 2002,2003 CrystalClear Software, Inc.
Chris@16:  * Use, modification and distribution is subject to the
Chris@16:  * Boost Software License, Version 1.0. (See accompanying
Chris@16:  * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
Chris@16:  * Author: Jeff Garland
Chris@101:  * $Date$
Chris@16:  */
Chris@16: 
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace date_time {
Chris@16: 
Chris@16: 
Chris@16:   //! An implementation of the Gregorian calendar
Chris@16:   /*! This is a parameterized implementation of a proleptic Gregorian Calendar that
Chris@16:       can be used in the creation of date systems or just to perform calculations.
Chris@16:       All the methods of this class are static functions, so the intent is to
Chris@16:       never create instances of this class.
Chris@16:     @param ymd_type_ Struct type representing the year, month, day.  The ymd_type must
Chris@16:            define a of types for the year, month, and day.  These types need to be
Chris@16:            arithmetic types.
Chris@16:     @param date_int_type_ Underlying type for the date count.  Must be an arithmetic type.
Chris@16:   */
Chris@16:   template<typename ymd_type_, typename date_int_type_>
Chris@16:   class gregorian_calendar_base {
Chris@16:   public:
Chris@16:     //! define a type a date split into components
Chris@16:     typedef ymd_type_  ymd_type;
Chris@16:     //! define a type for representing months
Chris@16:     typedef typename ymd_type::month_type  month_type;
Chris@16:     //! define a type for representing days
Chris@16:     typedef typename ymd_type::day_type  day_type;
Chris@16:     //! Type to hold a stand alone year value (eg: 2002)
Chris@16:     typedef typename ymd_type::year_type  year_type;
Chris@16:     //! Define the integer type to use for internal calculations
Chris@16:     typedef date_int_type_ date_int_type;
Chris@16: 
Chris@16: 
Chris@16:     static unsigned short day_of_week(const ymd_type& ymd);
Chris@16:     static int week_number(const ymd_type&ymd);
Chris@16:     //static unsigned short day_of_year(date_int_type);
Chris@16:     static date_int_type day_number(const ymd_type& ymd);
Chris@16:     static date_int_type julian_day_number(const ymd_type& ymd);
Chris@16:     static date_int_type modjulian_day_number(const ymd_type& ymd);
Chris@16:     static ymd_type from_day_number(date_int_type);
Chris@16:     static ymd_type from_julian_day_number(date_int_type);
Chris@16:     static ymd_type from_modjulian_day_number(date_int_type);
Chris@16:     static bool is_leap_year(year_type);
Chris@16:     static unsigned short end_of_month_day(year_type y, month_type m);
Chris@16:     static ymd_type epoch();
Chris@16:     static unsigned short days_in_week();
Chris@16: 
Chris@16:   };
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: } } //namespace
Chris@16: 
Chris@16: #ifndef NO_BOOST_DATE_TIME_INLINE
Chris@16: #include "boost/date_time/gregorian_calendar.ipp"
Chris@16: #endif
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: