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1 // Copyright Toru Niina 2017.
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2 // Distributed under the MIT License.
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3 #ifndef TOML11_DATETIME_HPP
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4 #define TOML11_DATETIME_HPP
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5 #include <cstdint>
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6 #include <cstdlib>
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7 #include <ctime>
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8
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9 #include <array>
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10 #include <chrono>
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11 #include <iomanip>
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12 #include <ostream>
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13 #include <tuple>
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14
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15 namespace toml
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16 {
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17
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18 // To avoid non-threadsafe std::localtime. In C11 (not C++11!), localtime_s is
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19 // provided in the absolutely same purpose, but C++11 is actually not compatible
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20 // with C11. We need to dispatch the function depending on the OS.
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21 namespace detail
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22 {
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23 // TODO: find more sophisticated way to handle this
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24 #if defined(_MSC_VER)
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25 inline std::tm localtime_s(const std::time_t* src)
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26 {
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27 std::tm dst;
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28 const auto result = ::localtime_s(&dst, src);
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29 if (result) { throw std::runtime_error("localtime_s failed."); }
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30 return dst;
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31 }
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32 inline std::tm gmtime_s(const std::time_t* src)
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33 {
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34 std::tm dst;
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35 const auto result = ::gmtime_s(&dst, src);
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36 if (result) { throw std::runtime_error("gmtime_s failed."); }
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37 return dst;
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38 }
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39 #elif (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 1) || defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || defined(_POSIX_SOURCE)
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40 inline std::tm localtime_s(const std::time_t* src)
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41 {
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42 std::tm dst;
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43 const auto result = ::localtime_r(src, &dst);
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44 if (!result) { throw std::runtime_error("localtime_r failed."); }
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45 return dst;
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46 }
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47 inline std::tm gmtime_s(const std::time_t* src)
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48 {
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49 std::tm dst;
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50 const auto result = ::gmtime_r(src, &dst);
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51 if (!result) { throw std::runtime_error("gmtime_r failed."); }
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52 return dst;
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53 }
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54 #else // fallback. not threadsafe
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55 inline std::tm localtime_s(const std::time_t* src)
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56 {
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57 const auto result = std::localtime(src);
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58 if (!result) { throw std::runtime_error("localtime failed."); }
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59 return *result;
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60 }
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61 inline std::tm gmtime_s(const std::time_t* src)
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62 {
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63 const auto result = std::gmtime(src);
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64 if (!result) { throw std::runtime_error("gmtime failed."); }
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65 return *result;
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66 }
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67 #endif
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68 } // detail
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69
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70 enum class month_t : std::uint8_t
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71 {
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72 Jan = 0,
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73 Feb = 1,
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74 Mar = 2,
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75 Apr = 3,
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76 May = 4,
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77 Jun = 5,
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78 Jul = 6,
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79 Aug = 7,
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80 Sep = 8,
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81 Oct = 9,
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82 Nov = 10,
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83 Dec = 11
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84 };
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85
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86 struct local_date
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87 {
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88 std::int16_t year{}; // A.D. (like, 2018)
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89 std::uint8_t month{}; // [0, 11]
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90 std::uint8_t day{}; // [1, 31]
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91
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92 local_date(int y, month_t m, int d)
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93 : year (static_cast<std::int16_t>(y)),
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94 month(static_cast<std::uint8_t>(m)),
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95 day (static_cast<std::uint8_t>(d))
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96 {}
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97
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98 explicit local_date(const std::tm& t)
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99 : year (static_cast<std::int16_t>(t.tm_year + 1900)),
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100 month(static_cast<std::uint8_t>(t.tm_mon)),
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101 day (static_cast<std::uint8_t>(t.tm_mday))
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102 {}
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103
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104 explicit local_date(const std::chrono::system_clock::time_point& tp)
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105 {
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106 const auto t = std::chrono::system_clock::to_time_t(tp);
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107 const auto time = detail::localtime_s(&t);
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108 *this = local_date(time);
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109 }
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110
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111 explicit local_date(const std::time_t t)
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112 : local_date(std::chrono::system_clock::from_time_t(t))
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113 {}
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114
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115 operator std::chrono::system_clock::time_point() const
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116 {
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117 // std::mktime returns date as local time zone. no conversion needed
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118 std::tm t;
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119 t.tm_sec = 0;
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120 t.tm_min = 0;
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121 t.tm_hour = 0;
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122 t.tm_mday = static_cast<int>(this->day);
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123 t.tm_mon = static_cast<int>(this->month);
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124 t.tm_year = static_cast<int>(this->year) - 1900;
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125 t.tm_wday = 0; // the value will be ignored
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126 t.tm_yday = 0; // the value will be ignored
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127 t.tm_isdst = -1;
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128 return std::chrono::system_clock::from_time_t(std::mktime(&t));
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129 }
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130
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131 operator std::time_t() const
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132 {
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133 return std::chrono::system_clock::to_time_t(
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134 std::chrono::system_clock::time_point(*this));
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135 }
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136
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137 local_date() = default;
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138 ~local_date() = default;
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139 local_date(local_date const&) = default;
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140 local_date(local_date&&) = default;
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141 local_date& operator=(local_date const&) = default;
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142 local_date& operator=(local_date&&) = default;
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143 };
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144
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145 inline bool operator==(const local_date& lhs, const local_date& rhs)
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146 {
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147 return std::make_tuple(lhs.year, lhs.month, lhs.day) ==
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148 std::make_tuple(rhs.year, rhs.month, rhs.day);
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149 }
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150 inline bool operator!=(const local_date& lhs, const local_date& rhs)
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151 {
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152 return !(lhs == rhs);
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153 }
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154 inline bool operator< (const local_date& lhs, const local_date& rhs)
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155 {
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156 return std::make_tuple(lhs.year, lhs.month, lhs.day) <
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157 std::make_tuple(rhs.year, rhs.month, rhs.day);
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158 }
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159 inline bool operator<=(const local_date& lhs, const local_date& rhs)
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160 {
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161 return (lhs < rhs) || (lhs == rhs);
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162 }
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163 inline bool operator> (const local_date& lhs, const local_date& rhs)
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164 {
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165 return !(lhs <= rhs);
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166 }
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167 inline bool operator>=(const local_date& lhs, const local_date& rhs)
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168 {
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169 return !(lhs < rhs);
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170 }
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171
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172 template<typename charT, typename traits>
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173 std::basic_ostream<charT, traits>&
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174 operator<<(std::basic_ostream<charT, traits>& os, const local_date& date)
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175 {
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176 os << std::setfill('0') << std::setw(4) << static_cast<int>(date.year ) << '-';
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177 os << std::setfill('0') << std::setw(2) << static_cast<int>(date.month) + 1 << '-';
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178 os << std::setfill('0') << std::setw(2) << static_cast<int>(date.day ) ;
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179 return os;
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180 }
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181
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182 struct local_time
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183 {
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184 std::uint8_t hour{}; // [0, 23]
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185 std::uint8_t minute{}; // [0, 59]
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186 std::uint8_t second{}; // [0, 60]
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187 std::uint16_t millisecond{}; // [0, 999]
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188 std::uint16_t microsecond{}; // [0, 999]
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189 std::uint16_t nanosecond{}; // [0, 999]
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190
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191 local_time(int h, int m, int s,
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192 int ms = 0, int us = 0, int ns = 0)
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193 : hour (static_cast<std::uint8_t>(h)),
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194 minute(static_cast<std::uint8_t>(m)),
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195 second(static_cast<std::uint8_t>(s)),
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196 millisecond(static_cast<std::uint16_t>(ms)),
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197 microsecond(static_cast<std::uint16_t>(us)),
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198 nanosecond (static_cast<std::uint16_t>(ns))
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199 {}
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200
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201 explicit local_time(const std::tm& t)
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202 : hour (static_cast<std::uint8_t>(t.tm_hour)),
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203 minute(static_cast<std::uint8_t>(t.tm_min)),
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204 second(static_cast<std::uint8_t>(t.tm_sec)),
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205 millisecond(0), microsecond(0), nanosecond(0)
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206 {}
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207
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208 template<typename Rep, typename Period>
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209 explicit local_time(const std::chrono::duration<Rep, Period>& t)
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210 {
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211 const auto h = std::chrono::duration_cast<std::chrono::hours>(t);
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212 this->hour = static_cast<std::uint8_t>(h.count());
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213 const auto t2 = t - h;
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214 const auto m = std::chrono::duration_cast<std::chrono::minutes>(t2);
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215 this->minute = static_cast<std::uint8_t>(m.count());
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216 const auto t3 = t2 - m;
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217 const auto s = std::chrono::duration_cast<std::chrono::seconds>(t3);
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218 this->second = static_cast<std::uint8_t>(s.count());
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219 const auto t4 = t3 - s;
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220 const auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(t4);
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221 this->millisecond = static_cast<std::uint16_t>(ms.count());
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222 const auto t5 = t4 - ms;
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223 const auto us = std::chrono::duration_cast<std::chrono::microseconds>(t5);
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224 this->microsecond = static_cast<std::uint16_t>(us.count());
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225 const auto t6 = t5 - us;
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226 const auto ns = std::chrono::duration_cast<std::chrono::nanoseconds>(t6);
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227 this->nanosecond = static_cast<std::uint16_t>(ns.count());
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228 }
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229
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230 operator std::chrono::nanoseconds() const
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231 {
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232 return std::chrono::nanoseconds (this->nanosecond) +
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233 std::chrono::microseconds(this->microsecond) +
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234 std::chrono::milliseconds(this->millisecond) +
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235 std::chrono::seconds(this->second) +
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236 std::chrono::minutes(this->minute) +
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237 std::chrono::hours(this->hour);
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238 }
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239
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240 local_time() = default;
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241 ~local_time() = default;
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242 local_time(local_time const&) = default;
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243 local_time(local_time&&) = default;
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244 local_time& operator=(local_time const&) = default;
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245 local_time& operator=(local_time&&) = default;
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246 };
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247
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248 inline bool operator==(const local_time& lhs, const local_time& rhs)
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249 {
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250 return std::make_tuple(lhs.hour, lhs.minute, lhs.second, lhs.millisecond, lhs.microsecond, lhs.nanosecond) ==
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251 std::make_tuple(rhs.hour, rhs.minute, rhs.second, rhs.millisecond, rhs.microsecond, rhs.nanosecond);
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252 }
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253 inline bool operator!=(const local_time& lhs, const local_time& rhs)
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254 {
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255 return !(lhs == rhs);
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256 }
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257 inline bool operator< (const local_time& lhs, const local_time& rhs)
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258 {
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259 return std::make_tuple(lhs.hour, lhs.minute, lhs.second, lhs.millisecond, lhs.microsecond, lhs.nanosecond) <
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260 std::make_tuple(rhs.hour, rhs.minute, rhs.second, rhs.millisecond, rhs.microsecond, rhs.nanosecond);
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261 }
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262 inline bool operator<=(const local_time& lhs, const local_time& rhs)
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263 {
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264 return (lhs < rhs) || (lhs == rhs);
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265 }
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266 inline bool operator> (const local_time& lhs, const local_time& rhs)
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267 {
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268 return !(lhs <= rhs);
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269 }
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270 inline bool operator>=(const local_time& lhs, const local_time& rhs)
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271 {
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272 return !(lhs < rhs);
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273 }
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274
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275 template<typename charT, typename traits>
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276 std::basic_ostream<charT, traits>&
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277 operator<<(std::basic_ostream<charT, traits>& os, const local_time& time)
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278 {
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279 os << std::setfill('0') << std::setw(2) << static_cast<int>(time.hour ) << ':';
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280 os << std::setfill('0') << std::setw(2) << static_cast<int>(time.minute) << ':';
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281 os << std::setfill('0') << std::setw(2) << static_cast<int>(time.second);
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282 if(time.millisecond != 0 || time.microsecond != 0 || time.nanosecond != 0)
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283 {
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284 os << '.';
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285 os << std::setfill('0') << std::setw(3) << static_cast<int>(time.millisecond);
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286 if(time.microsecond != 0 || time.nanosecond != 0)
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287 {
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288 os << std::setfill('0') << std::setw(3) << static_cast<int>(time.microsecond);
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289 if(time.nanosecond != 0)
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290 {
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291 os << std::setfill('0') << std::setw(3) << static_cast<int>(time.nanosecond);
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292 }
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293 }
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294 }
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295 return os;
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296 }
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297
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298 struct time_offset
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299 {
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300 std::int8_t hour{}; // [-12, 12]
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301 std::int8_t minute{}; // [-59, 59]
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302
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303 time_offset(int h, int m)
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304 : hour (static_cast<std::int8_t>(h)),
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305 minute(static_cast<std::int8_t>(m))
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306 {}
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307
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308 operator std::chrono::minutes() const
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309 {
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310 return std::chrono::minutes(this->minute) +
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311 std::chrono::hours(this->hour);
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312 }
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313
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314 time_offset() = default;
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315 ~time_offset() = default;
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316 time_offset(time_offset const&) = default;
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317 time_offset(time_offset&&) = default;
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318 time_offset& operator=(time_offset const&) = default;
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319 time_offset& operator=(time_offset&&) = default;
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320 };
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321
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322 inline bool operator==(const time_offset& lhs, const time_offset& rhs)
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323 {
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324 return std::make_tuple(lhs.hour, lhs.minute) ==
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325 std::make_tuple(rhs.hour, rhs.minute);
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326 }
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327 inline bool operator!=(const time_offset& lhs, const time_offset& rhs)
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328 {
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329 return !(lhs == rhs);
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330 }
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331 inline bool operator< (const time_offset& lhs, const time_offset& rhs)
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332 {
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333 return std::make_tuple(lhs.hour, lhs.minute) <
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334 std::make_tuple(rhs.hour, rhs.minute);
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335 }
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336 inline bool operator<=(const time_offset& lhs, const time_offset& rhs)
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337 {
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338 return (lhs < rhs) || (lhs == rhs);
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339 }
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340 inline bool operator> (const time_offset& lhs, const time_offset& rhs)
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341 {
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342 return !(lhs <= rhs);
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343 }
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344 inline bool operator>=(const time_offset& lhs, const time_offset& rhs)
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345 {
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346 return !(lhs < rhs);
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347 }
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348
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349 template<typename charT, typename traits>
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350 std::basic_ostream<charT, traits>&
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351 operator<<(std::basic_ostream<charT, traits>& os, const time_offset& offset)
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352 {
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353 if(offset.hour == 0 && offset.minute == 0)
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354 {
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355 os << 'Z';
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356 return os;
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357 }
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358 int minute = static_cast<int>(offset.hour) * 60 + offset.minute;
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359 if(minute < 0){os << '-'; minute = std::abs(minute);} else {os << '+';}
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360 os << std::setfill('0') << std::setw(2) << minute / 60 << ':';
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361 os << std::setfill('0') << std::setw(2) << minute % 60;
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362 return os;
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363 }
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364
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365 struct local_datetime
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366 {
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367 local_date date{};
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368 local_time time{};
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369
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370 local_datetime(local_date d, local_time t): date(d), time(t) {}
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371
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372 explicit local_datetime(const std::tm& t): date(t), time(t){}
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373
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374 explicit local_datetime(const std::chrono::system_clock::time_point& tp)
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375 {
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376 const auto t = std::chrono::system_clock::to_time_t(tp);
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377 std::tm ltime = detail::localtime_s(&t);
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378
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379 this->date = local_date(ltime);
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380 this->time = local_time(ltime);
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381
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382 // std::tm lacks subsecond information, so diff between tp and tm
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383 // can be used to get millisecond & microsecond information.
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384 const auto t_diff = tp -
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385 std::chrono::system_clock::from_time_t(std::mktime(<ime));
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386 this->time.millisecond = static_cast<std::uint16_t>(
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387 std::chrono::duration_cast<std::chrono::milliseconds>(t_diff).count());
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388 this->time.microsecond = static_cast<std::uint16_t>(
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389 std::chrono::duration_cast<std::chrono::microseconds>(t_diff).count());
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390 this->time.nanosecond = static_cast<std::uint16_t>(
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391 std::chrono::duration_cast<std::chrono::nanoseconds >(t_diff).count());
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392 }
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393
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394 explicit local_datetime(const std::time_t t)
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395 : local_datetime(std::chrono::system_clock::from_time_t(t))
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396 {}
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397
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398 operator std::chrono::system_clock::time_point() const
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399 {
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400 using internal_duration =
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401 typename std::chrono::system_clock::time_point::duration;
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402
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403 // Normally DST begins at A.M. 3 or 4. If we re-use conversion operator
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404 // of local_date and local_time independently, the conversion fails if
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405 // it is the day when DST begins or ends. Since local_date considers the
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406 // time is 00:00 A.M. and local_time does not consider DST because it
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407 // does not have any date information. We need to consider both date and
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408 // time information at the same time to convert it correctly.
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409
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410 std::tm t;
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411 t.tm_sec = static_cast<int>(this->time.second);
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412 t.tm_min = static_cast<int>(this->time.minute);
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413 t.tm_hour = static_cast<int>(this->time.hour);
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414 t.tm_mday = static_cast<int>(this->date.day);
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415 t.tm_mon = static_cast<int>(this->date.month);
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416 t.tm_year = static_cast<int>(this->date.year) - 1900;
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417 t.tm_wday = 0; // the value will be ignored
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418 t.tm_yday = 0; // the value will be ignored
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419 t.tm_isdst = -1;
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420
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421 // std::mktime returns date as local time zone. no conversion needed
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422 auto dt = std::chrono::system_clock::from_time_t(std::mktime(&t));
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423 dt += std::chrono::duration_cast<internal_duration>(
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424 std::chrono::milliseconds(this->time.millisecond) +
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425 std::chrono::microseconds(this->time.microsecond) +
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426 std::chrono::nanoseconds (this->time.nanosecond));
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427 return dt;
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428 }
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429
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430 operator std::time_t() const
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431 {
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432 return std::chrono::system_clock::to_time_t(
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433 std::chrono::system_clock::time_point(*this));
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434 }
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435
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436 local_datetime() = default;
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437 ~local_datetime() = default;
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438 local_datetime(local_datetime const&) = default;
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439 local_datetime(local_datetime&&) = default;
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440 local_datetime& operator=(local_datetime const&) = default;
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441 local_datetime& operator=(local_datetime&&) = default;
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442 };
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443
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444 inline bool operator==(const local_datetime& lhs, const local_datetime& rhs)
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445 {
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446 return std::make_tuple(lhs.date, lhs.time) ==
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447 std::make_tuple(rhs.date, rhs.time);
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448 }
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449 inline bool operator!=(const local_datetime& lhs, const local_datetime& rhs)
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450 {
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451 return !(lhs == rhs);
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452 }
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453 inline bool operator< (const local_datetime& lhs, const local_datetime& rhs)
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454 {
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455 return std::make_tuple(lhs.date, lhs.time) <
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456 std::make_tuple(rhs.date, rhs.time);
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457 }
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458 inline bool operator<=(const local_datetime& lhs, const local_datetime& rhs)
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459 {
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460 return (lhs < rhs) || (lhs == rhs);
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461 }
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462 inline bool operator> (const local_datetime& lhs, const local_datetime& rhs)
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463 {
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464 return !(lhs <= rhs);
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465 }
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466 inline bool operator>=(const local_datetime& lhs, const local_datetime& rhs)
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467 {
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468 return !(lhs < rhs);
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469 }
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470
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471 template<typename charT, typename traits>
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472 std::basic_ostream<charT, traits>&
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473 operator<<(std::basic_ostream<charT, traits>& os, const local_datetime& dt)
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474 {
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475 os << dt.date << 'T' << dt.time;
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476 return os;
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477 }
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478
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479 struct offset_datetime
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480 {
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481 local_date date{};
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482 local_time time{};
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483 time_offset offset{};
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484
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485 offset_datetime(local_date d, local_time t, time_offset o)
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486 : date(d), time(t), offset(o)
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487 {}
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488 offset_datetime(const local_datetime& dt, time_offset o)
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489 : date(dt.date), time(dt.time), offset(o)
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490 {}
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491 explicit offset_datetime(const local_datetime& ld)
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492 : date(ld.date), time(ld.time), offset(get_local_offset(nullptr))
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493 // use the current local timezone offset
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494 {}
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495 explicit offset_datetime(const std::chrono::system_clock::time_point& tp)
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496 : offset(0, 0) // use gmtime
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497 {
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498 const auto timet = std::chrono::system_clock::to_time_t(tp);
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499 const auto tm = detail::gmtime_s(&timet);
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500 this->date = local_date(tm);
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501 this->time = local_time(tm);
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502 }
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503 explicit offset_datetime(const std::time_t& t)
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504 : offset(0, 0) // use gmtime
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505 {
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506 const auto tm = detail::gmtime_s(&t);
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507 this->date = local_date(tm);
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508 this->time = local_time(tm);
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509 }
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510 explicit offset_datetime(const std::tm& t)
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511 : offset(0, 0) // assume gmtime
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512 {
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513 this->date = local_date(t);
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514 this->time = local_time(t);
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515 }
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516
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517 operator std::chrono::system_clock::time_point() const
|
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518 {
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519 // get date-time
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520 using internal_duration =
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521 typename std::chrono::system_clock::time_point::duration;
|
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522
|
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523 // first, convert it to local date-time information in the same way as
|
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|
524 // local_datetime does. later we will use time_t to adjust time offset.
|
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|
525 std::tm t;
|
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526 t.tm_sec = static_cast<int>(this->time.second);
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|
527 t.tm_min = static_cast<int>(this->time.minute);
|
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|
528 t.tm_hour = static_cast<int>(this->time.hour);
|
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529 t.tm_mday = static_cast<int>(this->date.day);
|
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|
530 t.tm_mon = static_cast<int>(this->date.month);
|
|
|
531 t.tm_year = static_cast<int>(this->date.year) - 1900;
|
|
|
532 t.tm_wday = 0; // the value will be ignored
|
|
|
533 t.tm_yday = 0; // the value will be ignored
|
|
|
534 t.tm_isdst = -1;
|
|
|
535 const std::time_t tp_loc = std::mktime(std::addressof(t));
|
|
|
536
|
|
|
537 auto tp = std::chrono::system_clock::from_time_t(tp_loc);
|
|
|
538 tp += std::chrono::duration_cast<internal_duration>(
|
|
|
539 std::chrono::milliseconds(this->time.millisecond) +
|
|
|
540 std::chrono::microseconds(this->time.microsecond) +
|
|
|
541 std::chrono::nanoseconds (this->time.nanosecond));
|
|
|
542
|
|
|
543 // Since mktime uses local time zone, it should be corrected.
|
|
|
544 // `12:00:00+09:00` means `03:00:00Z`. So mktime returns `03:00:00Z` if
|
|
|
545 // we are in `+09:00` timezone. To represent `12:00:00Z` there, we need
|
|
|
546 // to add `+09:00` to `03:00:00Z`.
|
|
|
547 // Here, it uses the time_t converted from date-time info to handle
|
|
|
548 // daylight saving time.
|
|
|
549 const auto ofs = get_local_offset(std::addressof(tp_loc));
|
|
|
550 tp += std::chrono::hours (ofs.hour);
|
|
|
551 tp += std::chrono::minutes(ofs.minute);
|
|
|
552
|
|
|
553 // We got `12:00:00Z` by correcting local timezone applied by mktime.
|
|
|
554 // Then we will apply the offset. Let's say `12:00:00-08:00` is given.
|
|
|
555 // And now, we have `12:00:00Z`. `12:00:00-08:00` means `20:00:00Z`.
|
|
|
556 // So we need to subtract the offset.
|
|
|
557 tp -= std::chrono::minutes(this->offset);
|
|
|
558 return tp;
|
|
|
559 }
|
|
|
560
|
|
|
561 operator std::time_t() const
|
|
|
562 {
|
|
|
563 return std::chrono::system_clock::to_time_t(
|
|
|
564 std::chrono::system_clock::time_point(*this));
|
|
|
565 }
|
|
|
566
|
|
|
567 offset_datetime() = default;
|
|
|
568 ~offset_datetime() = default;
|
|
|
569 offset_datetime(offset_datetime const&) = default;
|
|
|
570 offset_datetime(offset_datetime&&) = default;
|
|
|
571 offset_datetime& operator=(offset_datetime const&) = default;
|
|
|
572 offset_datetime& operator=(offset_datetime&&) = default;
|
|
|
573
|
|
|
574 private:
|
|
|
575
|
|
|
576 static time_offset get_local_offset(const std::time_t* tp)
|
|
|
577 {
|
|
|
578 // get local timezone with the same date-time information as mktime
|
|
|
579 const auto t = detail::localtime_s(tp);
|
|
|
580
|
|
|
581 std::array<char, 6> buf;
|
|
|
582 const auto result = std::strftime(buf.data(), 6, "%z", &t); // +hhmm\0
|
|
|
583 if(result != 5)
|
|
|
584 {
|
|
|
585 throw std::runtime_error("toml::offset_datetime: cannot obtain "
|
|
|
586 "timezone information of current env");
|
|
|
587 }
|
|
|
588 const int ofs = std::atoi(buf.data());
|
|
|
589 const int ofs_h = ofs / 100;
|
|
|
590 const int ofs_m = ofs - (ofs_h * 100);
|
|
|
591 return time_offset(ofs_h, ofs_m);
|
|
|
592 }
|
|
|
593 };
|
|
|
594
|
|
|
595 inline bool operator==(const offset_datetime& lhs, const offset_datetime& rhs)
|
|
|
596 {
|
|
|
597 return std::make_tuple(lhs.date, lhs.time, lhs.offset) ==
|
|
|
598 std::make_tuple(rhs.date, rhs.time, rhs.offset);
|
|
|
599 }
|
|
|
600 inline bool operator!=(const offset_datetime& lhs, const offset_datetime& rhs)
|
|
|
601 {
|
|
|
602 return !(lhs == rhs);
|
|
|
603 }
|
|
|
604 inline bool operator< (const offset_datetime& lhs, const offset_datetime& rhs)
|
|
|
605 {
|
|
|
606 return std::make_tuple(lhs.date, lhs.time, lhs.offset) <
|
|
|
607 std::make_tuple(rhs.date, rhs.time, rhs.offset);
|
|
|
608 }
|
|
|
609 inline bool operator<=(const offset_datetime& lhs, const offset_datetime& rhs)
|
|
|
610 {
|
|
|
611 return (lhs < rhs) || (lhs == rhs);
|
|
|
612 }
|
|
|
613 inline bool operator> (const offset_datetime& lhs, const offset_datetime& rhs)
|
|
|
614 {
|
|
|
615 return !(lhs <= rhs);
|
|
|
616 }
|
|
|
617 inline bool operator>=(const offset_datetime& lhs, const offset_datetime& rhs)
|
|
|
618 {
|
|
|
619 return !(lhs < rhs);
|
|
|
620 }
|
|
|
621
|
|
|
622 template<typename charT, typename traits>
|
|
|
623 std::basic_ostream<charT, traits>&
|
|
|
624 operator<<(std::basic_ostream<charT, traits>& os, const offset_datetime& dt)
|
|
|
625 {
|
|
|
626 os << dt.date << 'T' << dt.time << dt.offset;
|
|
|
627 return os;
|
|
|
628 }
|
|
|
629
|
|
|
630 }//toml
|
|
|
631 #endif// TOML11_DATETIME
|
