mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-11-03 21:40:52 -05:00
72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
#ifndef DATE_TIME_GREGORIAN_CALENDAR_HPP__
|
|
#define DATE_TIME_GREGORIAN_CALENDAR_HPP__
|
|
|
|
/* Copyright (c) 2002,2003 CrystalClear Software, Inc.
|
|
* Use, modification and distribution is subject to the
|
|
* Boost Software License, Version 1.0. (See accompanying
|
|
* file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
|
|
* Author: Jeff Garland
|
|
* $Date$
|
|
*/
|
|
|
|
#include <boost/date_time/compiler_config.hpp>
|
|
|
|
namespace boost {
|
|
namespace date_time {
|
|
|
|
|
|
//! An implementation of the Gregorian calendar
|
|
/*! This is a parameterized implementation of a proleptic Gregorian Calendar that
|
|
can be used in the creation of date systems or just to perform calculations.
|
|
All the methods of this class are static functions, so the intent is to
|
|
never create instances of this class.
|
|
@tparam ymd_type_ Struct type representing the year, month, day. The ymd_type must
|
|
define a of types for the year, month, and day. These types need to be
|
|
arithmetic types.
|
|
@tparam date_int_type_ Underlying type for the date count. Must be an arithmetic type.
|
|
*/
|
|
template<typename ymd_type_, typename date_int_type_>
|
|
class BOOST_SYMBOL_VISIBLE gregorian_calendar_base {
|
|
public:
|
|
//! define a type a date split into components
|
|
typedef ymd_type_ ymd_type;
|
|
//! define a type for representing months
|
|
typedef typename ymd_type::month_type month_type;
|
|
//! define a type for representing days
|
|
typedef typename ymd_type::day_type day_type;
|
|
//! Type to hold a stand alone year value (eg: 2002)
|
|
typedef typename ymd_type::year_type year_type;
|
|
//! Define the integer type to use for internal calculations
|
|
typedef date_int_type_ date_int_type;
|
|
|
|
|
|
static unsigned short day_of_week(const ymd_type& ymd);
|
|
static int week_number(const ymd_type&ymd);
|
|
//static unsigned short day_of_year(date_int_type);
|
|
static date_int_type day_number(const ymd_type& ymd);
|
|
static date_int_type julian_day_number(const ymd_type& ymd);
|
|
static date_int_type modjulian_day_number(const ymd_type& ymd);
|
|
static ymd_type from_day_number(date_int_type);
|
|
static ymd_type from_julian_day_number(date_int_type);
|
|
static ymd_type from_modjulian_day_number(date_int_type);
|
|
static bool is_leap_year(year_type);
|
|
static unsigned short end_of_month_day(year_type y, month_type m);
|
|
static ymd_type epoch();
|
|
static unsigned short days_in_week();
|
|
|
|
};
|
|
|
|
|
|
|
|
} } //namespace
|
|
|
|
#ifndef NO_BOOST_DATE_TIME_INLINE
|
|
#include "boost/date_time/gregorian_calendar.ipp"
|
|
#endif
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|