[857] | 1 | #ifndef POSIX_TIME_CONFIG_HPP___
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| 2 | #define POSIX_TIME_CONFIG_HPP___
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| 3 |
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| 4 | /* Copyright (c) 2002,2003,2005 CrystalClear Software, Inc.
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| 5 | * Use, modification and distribution is subject to the
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| 6 | * Boost Software License, Version 1.0. (See accompanying
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| 7 | * file LICENSE-1.0 or http://www.boost.org/LICENSE-1.0)
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| 8 | * Author: Jeff Garland, Bart Garst
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| 9 | * $Date: 2005/04/24 01:35:19 $
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| 10 | */
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| 11 |
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| 12 | #include "boost/date_time/time_duration.hpp"
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| 13 | #include "boost/date_time/time_resolution_traits.hpp"
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| 14 | #include "boost/date_time/gregorian/gregorian_types.hpp"
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| 15 | #include "boost/date_time/wrapping_int.hpp"
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| 16 | #include "boost/limits.hpp"
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| 17 | #include "boost/date_time/compiler_config.hpp"
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| 18 | #include "boost/cstdint.hpp"
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| 19 | #include <cmath>
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| 20 | #include <cstdlib> //for MCW 7.2 std::abs(long long)
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| 21 |
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| 22 | namespace boost {
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| 23 | namespace posix_time {
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| 24 |
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| 25 | //Remove the following line if you want 64 bit millisecond resolution time
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| 26 | //#define BOOST_GDTL_POSIX_TIME_STD_CONFIG
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| 27 |
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| 28 | #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
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| 29 | // set up conditional test compilations
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| 30 | #define BOOST_DATE_TIME_HAS_MILLISECONDS
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| 31 | #define BOOST_DATE_TIME_HAS_MICROSECONDS
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| 32 | #define BOOST_DATE_TIME_HAS_NANOSECONDS
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| 33 | typedef date_time::time_resolution_traits<boost::date_time::time_resolution_traits_adapted64_impl, boost::date_time::nano,
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| 34 | 1000000000, 9 > time_res_traits;
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| 35 | #else
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| 36 | // set up conditional test compilations
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| 37 | #define BOOST_DATE_TIME_HAS_MILLISECONDS
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| 38 | #define BOOST_DATE_TIME_HAS_MICROSECONDS
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| 39 | #undef BOOST_DATE_TIME_HAS_NANOSECONDS
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| 40 | typedef date_time::time_resolution_traits<
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| 41 | boost::date_time::time_resolution_traits_adapted64_impl, boost::date_time::micro,
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| 42 | 1000000, 6 > time_res_traits;
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| 43 |
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| 44 |
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| 45 | // #undef BOOST_DATE_TIME_HAS_MILLISECONDS
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| 46 | // #undef BOOST_DATE_TIME_HAS_MICROSECONDS
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| 47 | // #undef BOOST_DATE_TIME_HAS_NANOSECONDS
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| 48 | // typedef date_time::time_resolution_traits<boost::int64_t, boost::date_time::tenth,
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| 49 | // 10, 0 > time_res_traits;
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| 50 |
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| 51 | #endif
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| 52 |
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| 53 |
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| 54 | //! Base time duration type
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| 55 | /*! \ingroup time_basics
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| 56 | */
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| 57 | class time_duration :
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| 58 | public date_time::time_duration<time_duration, time_res_traits>
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| 59 | {
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| 60 | public:
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| 61 | typedef time_res_traits rep_type;
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| 62 | typedef time_res_traits::day_type day_type;
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| 63 | typedef time_res_traits::hour_type hour_type;
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| 64 | typedef time_res_traits::min_type min_type;
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| 65 | typedef time_res_traits::sec_type sec_type;
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| 66 | typedef time_res_traits::fractional_seconds_type fractional_seconds_type;
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| 67 | typedef time_res_traits::tick_type tick_type;
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| 68 | typedef time_res_traits::impl_type impl_type;
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| 69 | time_duration(hour_type hour,
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| 70 | min_type min,
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| 71 | sec_type sec,
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| 72 | fractional_seconds_type fs=0) :
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| 73 | date_time::time_duration<time_duration, time_res_traits>(hour,min,sec,fs)
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| 74 | {}
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| 75 | time_duration() :
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| 76 | date_time::time_duration<time_duration, time_res_traits>(0,0,0)
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| 77 | {}
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| 78 | //! Construct from special_values
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| 79 | time_duration(boost::date_time::special_values sv) :
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| 80 | date_time::time_duration<time_duration, time_res_traits>(sv)
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| 81 | {}
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| 82 | //Give duration access to ticks constructor -- hide from users
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| 83 | friend class date_time::time_duration<time_duration, time_res_traits>;
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| 84 | private:
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| 85 | explicit time_duration(impl_type ticks) :
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| 86 | date_time::time_duration<time_duration, time_res_traits>(ticks)
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| 87 | {}
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| 88 | };
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| 89 |
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| 90 | #ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
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| 91 |
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| 92 | //! Simple implementation for the time rep
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| 93 | struct simple_time_rep
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| 94 | {
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| 95 | typedef gregorian::date date_type;
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| 96 | typedef time_duration time_duration_type;
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| 97 | simple_time_rep(date_type d, time_duration_type tod) :
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| 98 | day(d),
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| 99 | time_of_day(tod)
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| 100 | {
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| 101 | // make sure we have sane values for date & time
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| 102 | if(!day.is_special() && !time_of_day.is_special()){
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| 103 | if(time_of_day >= time_duration_type(24,0,0)) {
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| 104 | while(time_of_day >= time_duration_type(24,0,0)) {
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| 105 | day += date_type::duration_type(1);
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| 106 | time_of_day -= time_duration_type(24,0,0);
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| 107 | }
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| 108 | }
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| 109 | else if(time_of_day.is_negative()) {
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| 110 | while(time_of_day.is_negative()) {
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| 111 | day -= date_type::duration_type(1);
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| 112 | time_of_day += time_duration_type(24,0,0);
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| 113 | }
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| 114 | }
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| 115 | }
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| 116 | }
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| 117 | date_type day;
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| 118 | time_duration_type time_of_day;
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| 119 | bool is_special()const
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| 120 | {
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| 121 | return(is_pos_infinity() || is_neg_infinity() || is_not_a_date_time());
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| 122 | }
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| 123 | bool is_pos_infinity()const
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| 124 | {
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| 125 | return(day.is_pos_infinity() || time_of_day.is_pos_infinity());
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| 126 | }
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| 127 | bool is_neg_infinity()const
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| 128 | {
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| 129 | return(day.is_neg_infinity() || time_of_day.is_neg_infinity());
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| 130 | }
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| 131 | bool is_not_a_date_time()const
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| 132 | {
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| 133 | return(day.is_not_a_date() || time_of_day.is_not_a_date_time());
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| 134 | }
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| 135 | };
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| 136 |
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| 137 | class posix_time_system_config
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| 138 | {
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| 139 | public:
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| 140 | typedef simple_time_rep time_rep_type;
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| 141 | typedef gregorian::date date_type;
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| 142 | typedef gregorian::date_duration date_duration_type;
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| 143 | typedef time_duration time_duration_type;
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| 144 | typedef time_res_traits::tick_type int_type;
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| 145 | typedef time_res_traits resolution_traits;
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| 146 | #if (defined(BOOST_DATE_TIME_NO_MEMBER_INIT)) //help bad compilers
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| 147 | #else
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| 148 | BOOST_STATIC_CONSTANT(boost::int64_t, tick_per_second = 1000000000);
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| 149 | #endif
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| 150 | };
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| 151 |
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| 152 | #else
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| 153 |
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| 154 | class millisec_posix_time_system_config
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| 155 | {
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| 156 | public:
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| 157 | typedef boost::int64_t time_rep_type;
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| 158 | //typedef time_res_traits::tick_type time_rep_type;
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| 159 | typedef gregorian::date date_type;
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| 160 | typedef gregorian::date_duration date_duration_type;
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| 161 | typedef time_duration time_duration_type;
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| 162 | typedef time_res_traits::tick_type int_type;
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| 163 | typedef time_res_traits::impl_type impl_type;
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| 164 | typedef time_res_traits resolution_traits;
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| 165 | #if (defined(BOOST_DATE_TIME_NO_MEMBER_INIT)) //help bad compilers
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| 166 | #else
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| 167 | BOOST_STATIC_CONSTANT(boost::int64_t, tick_per_second = 1000000);
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| 168 | #endif
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| 169 | };
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| 170 |
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| 171 | #endif
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| 172 |
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| 173 | } }//namespace posix_time
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| 174 |
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| 175 |
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| 176 | #endif
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| 177 |
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| 178 |
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