1#ifndef POSIX_TIME_CONFIG_HPP___
2#define POSIX_TIME_CONFIG_HPP___
3
4/* Copyright (c) 2002,2003,2005,2020 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, Bart Garst
9 * $Date$
10 */
11
12#include <cstdlib> //for MCW 7.2 std::abs(long long)
13#include <boost/limits.hpp>
14#include <boost/cstdint.hpp>
15#include <boost/config/no_tr1/cmath.hpp>
16#include <boost/date_time/time_duration.hpp>
17#include <boost/date_time/time_resolution_traits.hpp>
18#include <boost/date_time/gregorian/gregorian_types.hpp>
19#include <boost/date_time/wrapping_int.hpp>
20#include <boost/date_time/compiler_config.hpp>
21
22namespace boost {
23namespace posix_time {
24
25
26#ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
27 // set up conditional test compilations
28#define BOOST_DATE_TIME_HAS_NANOSECONDS
29 typedef date_time::time_resolution_traits<boost::date_time::time_resolution_traits_adapted64_impl, boost::date_time::nano,
30 1000000000, 9 > time_res_traits;
31#else
32 // set up conditional test compilations
33#undef BOOST_DATE_TIME_HAS_NANOSECONDS
34 typedef date_time::time_resolution_traits<
35 boost::date_time::time_resolution_traits_adapted64_impl, boost::date_time::micro,
36 1000000, 6 > time_res_traits;
37
38#endif
39
40
41 //! Base time duration type
42 /*! \ingroup time_basics
43 */
44 class BOOST_SYMBOL_VISIBLE time_duration :
45 public date_time::time_duration<time_duration, time_res_traits>
46 {
47 public:
48 typedef time_res_traits rep_type;
49 typedef time_res_traits::day_type day_type;
50 typedef time_res_traits::hour_type hour_type;
51 typedef time_res_traits::min_type min_type;
52 typedef time_res_traits::sec_type sec_type;
53 typedef time_res_traits::fractional_seconds_type fractional_seconds_type;
54 typedef time_res_traits::tick_type tick_type;
55 typedef time_res_traits::impl_type impl_type;
56 BOOST_CXX14_CONSTEXPR time_duration(hour_type hour,
57 min_type min,
58 sec_type sec,
59 fractional_seconds_type fs=0) :
60 date_time::time_duration<time_duration, time_res_traits>(hour,min,sec,fs)
61 {}
62 BOOST_CXX14_CONSTEXPR time_duration() :
63 date_time::time_duration<time_duration, time_res_traits>(0,0,0)
64 {}
65 //! Construct from special_values
66 BOOST_CXX14_CONSTEXPR time_duration(boost::date_time::special_values sv) :
67 date_time::time_duration<time_duration, time_res_traits>(sv)
68 {}
69 //Give duration access to ticks constructor -- hide from users
70 friend class date_time::time_duration<time_duration, time_res_traits>;
71 protected:
72 BOOST_CXX14_CONSTEXPR explicit time_duration(impl_type tick_count) :
73 date_time::time_duration<time_duration, time_res_traits>(tick_count)
74 {}
75 };
76
77#ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
78
79 //! Simple implementation for the time rep
80 struct simple_time_rep
81 {
82 typedef gregorian::date date_type;
83 typedef time_duration time_duration_type;
84 BOOST_CXX14_CONSTEXPR simple_time_rep(date_type d, time_duration_type tod) :
85 day(d),
86 time_of_day(tod)
87 {
88 // make sure we have sane values for date & time
89 if(!day.is_special() && !time_of_day.is_special()){
90 if(time_of_day >= time_duration_type(24,0,0)) {
91 while(time_of_day >= time_duration_type(24,0,0)) {
92 day += date_type::duration_type(1);
93 time_of_day -= time_duration_type(24,0,0);
94 }
95 }
96 else if(time_of_day.is_negative()) {
97 while(time_of_day.is_negative()) {
98 day -= date_type::duration_type(1);
99 time_of_day += time_duration_type(24,0,0);
100 }
101 }
102 }
103 }
104 date_type day;
105 time_duration_type time_of_day;
106 BOOST_CXX14_CONSTEXPR bool is_special()const
107 {
108 return(is_pos_infinity() || is_neg_infinity() || is_not_a_date_time());
109 }
110 BOOST_CXX14_CONSTEXPR bool is_pos_infinity()const
111 {
112 return(day.is_pos_infinity() || time_of_day.is_pos_infinity());
113 }
114 BOOST_CXX14_CONSTEXPR bool is_neg_infinity()const
115 {
116 return(day.is_neg_infinity() || time_of_day.is_neg_infinity());
117 }
118 BOOST_CXX14_CONSTEXPR bool is_not_a_date_time()const
119 {
120 return(day.is_not_a_date() || time_of_day.is_not_a_date_time());
121 }
122 };
123
124 class BOOST_SYMBOL_VISIBLE posix_time_system_config
125 {
126 public:
127 typedef simple_time_rep time_rep_type;
128 typedef gregorian::date date_type;
129 typedef gregorian::date_duration date_duration_type;
130 typedef time_duration time_duration_type;
131 typedef time_res_traits::tick_type int_type;
132 typedef time_res_traits resolution_traits;
133#if (defined(BOOST_DATE_TIME_NO_MEMBER_INIT)) //help bad compilers
134#else
135 BOOST_STATIC_CONSTANT(boost::int64_t, tick_per_second = 1000000000);
136#endif
137 };
138
139#else
140
141 class millisec_posix_time_system_config
142 {
143 public:
144 typedef boost::int64_t time_rep_type;
145 //typedef time_res_traits::tick_type time_rep_type;
146 typedef gregorian::date date_type;
147 typedef gregorian::date_duration date_duration_type;
148 typedef time_duration time_duration_type;
149 typedef time_res_traits::tick_type int_type;
150 typedef time_res_traits::impl_type impl_type;
151 typedef time_res_traits resolution_traits;
152#if (defined(BOOST_DATE_TIME_NO_MEMBER_INIT)) //help bad compilers
153#else
154 BOOST_STATIC_CONSTANT(boost::int64_t, tick_per_second = 1000000);
155#endif
156 };
157
158#endif
159
160} }//namespace posix_time
161
162
163#endif
164
165
166

source code of include/boost/date_time/posix_time/posix_time_config.hpp