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.txt or http://www.boost.org/LICENSE_1_0.txt) |
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8 | * Author: Jeff Garland, Bart Garst |
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9 | * $Date: 2009-06-04 07:52:28 -0400 (Thu, 04 Jun 2009) $ |
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10 | */ |
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11 | |
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12 | #include <cstdlib> //for MCW 7.2 std::abs(long long) |
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13 | #include <boost/limits.hpp> |
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14 | #include <boost/cstdint.hpp> |
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15 | #include <boost/config/no_tr1/cmath.hpp> |
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16 | #include <boost/date_time/time_duration.hpp> |
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17 | #include <boost/date_time/time_resolution_traits.hpp> |
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18 | #include <boost/date_time/gregorian/gregorian_types.hpp> |
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19 | #include <boost/date_time/wrapping_int.hpp> |
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20 | #include <boost/date_time/compiler_config.hpp> |
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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 tick_count) : |
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86 | date_time::time_duration<time_duration, time_res_traits>(tick_count) |
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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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