1 | #ifndef POSIX_TIME_CONFIG_HPP___ |
2 | #define POSIX_TIME_CONFIG_HPP___ |
3 | |
4 | /* Copyright (c) 2002,2003,2005 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 | |
22 | namespace boost { |
23 | namespace posix_time { |
24 | |
25 | //Remove the following line if you want 64 bit millisecond resolution time |
26 | //#define BOOST_GDTL_POSIX_TIME_STD_CONFIG |
27 | |
28 | #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG |
29 | // set up conditional test compilations |
30 | #define BOOST_DATE_TIME_HAS_MILLISECONDS |
31 | #define BOOST_DATE_TIME_HAS_MICROSECONDS |
32 | #define BOOST_DATE_TIME_HAS_NANOSECONDS |
33 | typedef date_time::time_resolution_traits<boost::date_time::time_resolution_traits_adapted64_impl, boost::date_time::nano, |
34 | 1000000000, 9 > time_res_traits; |
35 | #else |
36 | // set up conditional test compilations |
37 | #define BOOST_DATE_TIME_HAS_MILLISECONDS |
38 | #define BOOST_DATE_TIME_HAS_MICROSECONDS |
39 | #undef BOOST_DATE_TIME_HAS_NANOSECONDS |
40 | typedef date_time::time_resolution_traits< |
41 | boost::date_time::time_resolution_traits_adapted64_impl, boost::date_time::micro, |
42 | 1000000, 6 > time_res_traits; |
43 | |
44 | |
45 | // #undef BOOST_DATE_TIME_HAS_MILLISECONDS |
46 | // #undef BOOST_DATE_TIME_HAS_MICROSECONDS |
47 | // #undef BOOST_DATE_TIME_HAS_NANOSECONDS |
48 | // typedef date_time::time_resolution_traits<boost::int64_t, boost::date_time::tenth, |
49 | // 10, 0 > time_res_traits; |
50 | |
51 | #endif |
52 | |
53 | |
54 | //! Base time duration type |
55 | /*! \ingroup time_basics |
56 | */ |
57 | class time_duration : |
58 | public date_time::time_duration<time_duration, time_res_traits> |
59 | { |
60 | public: |
61 | typedef time_res_traits rep_type; |
62 | typedef time_res_traits::day_type day_type; |
63 | typedef time_res_traits::hour_type hour_type; |
64 | typedef time_res_traits::min_type min_type; |
65 | typedef time_res_traits::sec_type sec_type; |
66 | typedef time_res_traits::fractional_seconds_type fractional_seconds_type; |
67 | typedef time_res_traits::tick_type tick_type; |
68 | typedef time_res_traits::impl_type impl_type; |
69 | time_duration(hour_type hour, |
70 | min_type min, |
71 | sec_type sec, |
72 | fractional_seconds_type fs=0) : |
73 | date_time::time_duration<time_duration, time_res_traits>(hour,min,sec,fs) |
74 | {} |
75 | time_duration() : |
76 | date_time::time_duration<time_duration, time_res_traits>(0,0,0) |
77 | {} |
78 | //! Construct from special_values |
79 | time_duration(boost::date_time::special_values sv) : |
80 | date_time::time_duration<time_duration, time_res_traits>(sv) |
81 | {} |
82 | //Give duration access to ticks constructor -- hide from users |
83 | friend class date_time::time_duration<time_duration, time_res_traits>; |
84 | protected: |
85 | explicit time_duration(impl_type tick_count) : |
86 | date_time::time_duration<time_duration, time_res_traits>(tick_count) |
87 | {} |
88 | }; |
89 | |
90 | #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG |
91 | |
92 | //! Simple implementation for the time rep |
93 | struct simple_time_rep |
94 | { |
95 | typedef gregorian::date date_type; |
96 | typedef time_duration time_duration_type; |
97 | simple_time_rep(date_type d, time_duration_type tod) : |
98 | day(d), |
99 | time_of_day(tod) |
100 | { |
101 | // make sure we have sane values for date & time |
102 | if(!day.is_special() && !time_of_day.is_special()){ |
103 | if(time_of_day >= time_duration_type(24,0,0)) { |
104 | while(time_of_day >= time_duration_type(24,0,0)) { |
105 | day += date_type::duration_type(1); |
106 | time_of_day -= time_duration_type(24,0,0); |
107 | } |
108 | } |
109 | else if(time_of_day.is_negative()) { |
110 | while(time_of_day.is_negative()) { |
111 | day -= date_type::duration_type(1); |
112 | time_of_day += time_duration_type(24,0,0); |
113 | } |
114 | } |
115 | } |
116 | } |
117 | date_type day; |
118 | time_duration_type time_of_day; |
119 | bool is_special()const |
120 | { |
121 | return(is_pos_infinity() || is_neg_infinity() || is_not_a_date_time()); |
122 | } |
123 | bool is_pos_infinity()const |
124 | { |
125 | return(day.is_pos_infinity() || time_of_day.is_pos_infinity()); |
126 | } |
127 | bool is_neg_infinity()const |
128 | { |
129 | return(day.is_neg_infinity() || time_of_day.is_neg_infinity()); |
130 | } |
131 | bool is_not_a_date_time()const |
132 | { |
133 | return(day.is_not_a_date() || time_of_day.is_not_a_date_time()); |
134 | } |
135 | }; |
136 | |
137 | class posix_time_system_config |
138 | { |
139 | public: |
140 | typedef simple_time_rep time_rep_type; |
141 | typedef gregorian::date date_type; |
142 | typedef gregorian::date_duration date_duration_type; |
143 | typedef time_duration time_duration_type; |
144 | typedef time_res_traits::tick_type int_type; |
145 | typedef time_res_traits resolution_traits; |
146 | #if (defined(BOOST_DATE_TIME_NO_MEMBER_INIT)) //help bad compilers |
147 | #else |
148 | BOOST_STATIC_CONSTANT(boost::int64_t, tick_per_second = 1000000000); |
149 | #endif |
150 | }; |
151 | |
152 | #else |
153 | |
154 | class millisec_posix_time_system_config |
155 | { |
156 | public: |
157 | typedef boost::int64_t time_rep_type; |
158 | //typedef time_res_traits::tick_type time_rep_type; |
159 | typedef gregorian::date date_type; |
160 | typedef gregorian::date_duration date_duration_type; |
161 | typedef time_duration time_duration_type; |
162 | typedef time_res_traits::tick_type int_type; |
163 | typedef time_res_traits::impl_type impl_type; |
164 | typedef time_res_traits resolution_traits; |
165 | #if (defined(BOOST_DATE_TIME_NO_MEMBER_INIT)) //help bad compilers |
166 | #else |
167 | BOOST_STATIC_CONSTANT(boost::int64_t, tick_per_second = 1000000); |
168 | #endif |
169 | }; |
170 | |
171 | #endif |
172 | |
173 | } }//namespace posix_time |
174 | |
175 | |
176 | #endif |
177 | |
178 | |
179 | |