]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | #ifndef DATE_TIME_GREGORIAN_CALENDAR_HPP__ |
2 | #define DATE_TIME_GREGORIAN_CALENDAR_HPP__ | |
3 | ||
4 | /* Copyright (c) 2002,2003 CrystalClear Software, Inc. | |
5 | * Use, modification and distribution is subject to the | |
6 | * Boost Software License, Version 1.0. (See accompanying | |
7 | * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) | |
8 | * Author: Jeff Garland | |
9 | * $Date$ | |
10 | */ | |
11 | ||
b32b8144 | 12 | #include <boost/date_time/compiler_config.hpp> |
7c673cae FG |
13 | |
14 | namespace boost { | |
15 | namespace date_time { | |
16 | ||
17 | ||
18 | //! An implementation of the Gregorian calendar | |
19 | /*! This is a parameterized implementation of a proleptic Gregorian Calendar that | |
20 | can be used in the creation of date systems or just to perform calculations. | |
21 | All the methods of this class are static functions, so the intent is to | |
22 | never create instances of this class. | |
23 | @param ymd_type_ Struct type representing the year, month, day. The ymd_type must | |
24 | define a of types for the year, month, and day. These types need to be | |
25 | arithmetic types. | |
26 | @param date_int_type_ Underlying type for the date count. Must be an arithmetic type. | |
27 | */ | |
28 | template<typename ymd_type_, typename date_int_type_> | |
b32b8144 | 29 | class BOOST_SYMBOL_VISIBLE gregorian_calendar_base { |
7c673cae FG |
30 | public: |
31 | //! define a type a date split into components | |
32 | typedef ymd_type_ ymd_type; | |
33 | //! define a type for representing months | |
34 | typedef typename ymd_type::month_type month_type; | |
35 | //! define a type for representing days | |
36 | typedef typename ymd_type::day_type day_type; | |
37 | //! Type to hold a stand alone year value (eg: 2002) | |
38 | typedef typename ymd_type::year_type year_type; | |
39 | //! Define the integer type to use for internal calculations | |
40 | typedef date_int_type_ date_int_type; | |
41 | ||
42 | ||
43 | static unsigned short day_of_week(const ymd_type& ymd); | |
44 | static int week_number(const ymd_type&ymd); | |
45 | //static unsigned short day_of_year(date_int_type); | |
46 | static date_int_type day_number(const ymd_type& ymd); | |
47 | static date_int_type julian_day_number(const ymd_type& ymd); | |
48 | static date_int_type modjulian_day_number(const ymd_type& ymd); | |
49 | static ymd_type from_day_number(date_int_type); | |
50 | static ymd_type from_julian_day_number(date_int_type); | |
51 | static ymd_type from_modjulian_day_number(date_int_type); | |
52 | static bool is_leap_year(year_type); | |
53 | static unsigned short end_of_month_day(year_type y, month_type m); | |
54 | static ymd_type epoch(); | |
55 | static unsigned short days_in_week(); | |
56 | ||
57 | }; | |
58 | ||
59 | ||
60 | ||
61 | } } //namespace | |
62 | ||
63 | #ifndef NO_BOOST_DATE_TIME_INLINE | |
64 | #include "boost/date_time/gregorian_calendar.ipp" | |
65 | #endif | |
66 | ||
67 | ||
68 | ||
69 | #endif | |
70 | ||
71 |