boost/date_time/local_time/dst_transition_day_rules.hpp

   1 #ifndef LOCAL_TIME_DST_TRANSITION_DAY_RULES_HPP__
   2 #define LOCAL_TIME_DST_TRANSITION_DAY_RULES_HPP__
   3
   4 /* Copyright (c) 2003-2004 CrystalClear Software, Inc.
   5  * Subject to the Boost Software License, Version 1.0.
   6  * (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
   7  * Author: Jeff Garland, Bart Garst
   8  * $Date$
   9  */
  10
  11
  12 #include "boost/date_time/gregorian/gregorian_types.hpp"
  13 #include "boost/date_time/dst_transition_generators.hpp"
  14
  15 namespace boost {
  16 namespace local_time {
  17
  18     //! Provides rule of the form starting Apr 30 ending Oct 21
  19     typedef date_time::dst_day_calc_rule<gregorian::date> dst_calc_rule;
  20
  21     struct partial_date_rule_spec
  22     {
  23       typedef gregorian::date date_type;
  24       typedef gregorian::partial_date start_rule;
  25       typedef gregorian::partial_date end_rule;
  26     };
  27
  28     //! Provides rule of the form first Sunday in April, last Saturday in Oct
  29     typedef date_time::day_calc_dst_rule<partial_date_rule_spec> partial_date_dst_rule;
  30
  31     struct first_last_rule_spec
  32     {
  33       typedef gregorian::date date_type;
  34       typedef gregorian::first_kday_of_month start_rule;
  35       typedef gregorian::last_kday_of_month end_rule;
  36     };
  37
  38     //! Provides rule of the form first Sunday in April, last Saturday in Oct
  39     typedef date_time::day_calc_dst_rule<first_last_rule_spec> first_last_dst_rule;
  40
  41     struct last_last_rule_spec
  42     {
  43       typedef gregorian::date date_type;
  44       typedef gregorian::last_kday_of_month start_rule;
  45       typedef gregorian::last_kday_of_month end_rule;
  46     };
  47
  48     //! Provides rule of the form last Sunday in April, last Saturday in Oct
  49     typedef date_time::day_calc_dst_rule<last_last_rule_spec> last_last_dst_rule;
  50
  51     struct nth_last_rule_spec
  52     {
  53       typedef gregorian::date date_type;
  54       typedef gregorian::nth_kday_of_month start_rule;
  55       typedef gregorian::last_kday_of_month end_rule;
  56     };
  57
  58     //! Provides rule in form of [1st|2nd|3rd|4th] Sunday in April, last Sunday in Oct
  59     typedef date_time::day_calc_dst_rule<nth_last_rule_spec> nth_last_dst_rule;
  60
  61     struct nth_kday_rule_spec
  62     {
  63       typedef gregorian::date date_type;
  64       typedef gregorian::nth_kday_of_month start_rule;
  65       typedef gregorian::nth_kday_of_month end_rule;
  66     };
  67
  68     //! Provides rule in form of [1st|2nd|3rd|4th] Sunday in April/October
  69     typedef date_time::day_calc_dst_rule<nth_kday_rule_spec> nth_kday_dst_rule;
  70     //! Provides rule in form of [1st|2nd|3rd|4th] Sunday in April/October
  71     typedef date_time::day_calc_dst_rule<nth_kday_rule_spec> nth_day_of_the_week_in_month_dst_rule;
  72
  73
  74 } }//namespace
  75
  76
  77 #endif