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<div class="headertitle"><div class="title">chrono.hpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> SPDX-License-Identifier: MIT</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> Copyright © 2023 Amebis</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">*/</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#pragma once</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> </div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include "sal.hpp"</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include "system.hpp"</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include "string.hpp"</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include <stdint.h></span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include <chrono></span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include <memory></span></div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include <stdexcept></span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="keyword">namespace </span>stdex {</div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span>chrono</div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> {</div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__date.html"> 22</a></span> <span class="keyword">struct </span><a class="code hl_struct" href="structstdex_1_1chrono_1_1aosn__date.html">aosn_date</a></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> {</div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">using </span>rep = int32_t;</div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">using </span>period = std::ratio<86400>; <span class="comment">// 1 day</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">using </span>duration = std::chrono::duration<rep, period>;</div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">using </span>time_point = std::chrono::time_point<aosn_date>;</div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <span class="keywordtype">bool</span> is_steady = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__date.html#aa744054736b15a0d9b73fef541d271a4"> 33</a></span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#aa744054736b15a0d9b73fef541d271a4">now</a>() noexcept</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> {</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> FILETIME t;</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> GetSystemTimeAsFileTime(&t);</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#aa049501abaf0ecce57864b258c6f77dc">from_system</a>(t);</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> time_t t;</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> time(&t);</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a8637d060dfe75d8a45a72ef05b48d9f9">from_time_t</a>(t);</div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> }</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__date.html#a211a5ad3a659e25b78d2be3471dcb7ba"> 49</a></span> <span class="keyword">static</span> __time64_t <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a211a5ad3a659e25b78d2be3471dcb7ba">to_time_t</a>(_In_ <span class="keyword">const</span> time_point tp) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> {</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>__time64_t<span class="keyword">></span>(tp.time_since_epoch().count()) * 86400 - 210866803200;</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> }</div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__date.html#a8637d060dfe75d8a45a72ef05b48d9f9"> 57</a></span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a8637d060dfe75d8a45a72ef05b48d9f9">from_time_t</a>(_In_ __time64_t t) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> {</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">return</span> time_point(duration(<span class="keyword">static_cast<</span>rep<span class="keyword">></span>((t + 210866803200) / 86400)));</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> }</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#aa049501abaf0ecce57864b258c6f77dc">from_system</a>(_In_ <span class="keyword">const</span> SYSTEMTIME& t) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> {</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a1aa2157912e935cf399833c2265628e0">from_dmy</a>(<span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(t.wDay), <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(t.wMonth), <span class="keyword">static_cast<</span>int32_t<span class="keyword">></span>(t.wYear));</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> }</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#aa049501abaf0ecce57864b258c6f77dc">from_system</a>(_In_ <span class="keyword">const</span> FILETIME& t) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> {</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> uint64_t x = ((<span class="keyword">static_cast<</span>uint64_t<span class="keyword">></span>(t.dwHighDateTime)) << 32) | t.dwLowDateTime;</div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> time_point(duration(<span class="keyword">static_cast<</span>rep<span class="keyword">></span>(x / 86400000 + 2305814))); <span class="comment">// Convert from 100 ns to 1-day interval and adjust epoch</span></div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> }</div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#aa049501abaf0ecce57864b258c6f77dc">from_system</a>(_In_ DATE t)</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> {</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> SYSTEMTIME st;</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">if</span> (!VariantTimeToSystemTime(t, &st))</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"failed to convert date from VARIANT_DATE"</span>);</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#aa049501abaf0ecce57864b258c6f77dc">from_system</a>(st);</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__date.html#aa049501abaf0ecce57864b258c6f77dc"> 94</a></span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#aa049501abaf0ecce57864b258c6f77dc">from_system</a>(_In_ <span class="keyword">const</span> <span class="keyword">struct</span> timespec& t) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> {</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a8637d060dfe75d8a45a72ef05b48d9f9">from_time_t</a>(t.tv_sec);</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> }</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__date.html#a1aa2157912e935cf399833c2265628e0"> 103</a></span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a1aa2157912e935cf399833c2265628e0">from_dmy</a>(_In_ uint8_t day, _In_ uint8_t month, _In_ int32_t year) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> {</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> int32_t mtmp, ytmp;</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">if</span> (month > 2) {</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> mtmp = month - 3;</div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> ytmp = year;</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> }</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> mtmp = month + 9;</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> ytmp = year - 1;</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> }</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> int32_t ctmp = (ytmp / 100);</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> int32_t dtmp = ytmp - (100 * ctmp);</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> int32_t result1 = 146097L * ctmp / 4;</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> int32_t result2 = (1461 * dtmp) / 4;</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> int32_t result3 = (153 * mtmp + 2) / 5;</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">return</span> time_point(duration(<span class="keyword">static_cast<</span>int32_t<span class="keyword">></span>(result1) + day + result2 + 1721119L + result3));</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> }</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__date.html#a1d7511309210a6766b8a7d5d792dbc62"> 125</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a1d7511309210a6766b8a7d5d792dbc62">to_dmy</a>(_In_ <span class="keyword">const</span> time_point tp, _Out_opt_ uint8_t* day, _Out_opt_ uint8_t* month, _Out_opt_ int32_t* year) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> {</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> int32_t mtmp = tp.time_since_epoch().count() - 1721119L;</div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> int32_t yr = (4 * mtmp - 1) / 146097L;</div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> mtmp = 4 * mtmp - 1 - 146097L * yr;</div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> int32_t da = mtmp / 4;</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> mtmp = (4 * da + 3) / 1461;</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> da = 4 * da + 3 - 1461 * mtmp;</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> da = (da + 4) / 4;</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> int32_t mo = (5 * da - 3) / 153;</div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> da = 5 * da - 3 - 153 * mo;</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> da = (da + 5) / 5;</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> yr = 100 * yr + mtmp;</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordflow">if</span> (mo < 10)</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> mo += 3;</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">else</span> {</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> mo -= 9;</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> yr++;</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> }</div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">if</span> (day) *day = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(da);</div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">if</span> (month) *month = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(mo);</div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">if</span> (year) *year = yr;</div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> }</div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__date.html#a22273e1d536ed78a67beef7be5d0ebd6"> 152</a></span> <span class="keyword">static</span> uint8_t <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a22273e1d536ed78a67beef7be5d0ebd6">day_of_week</a>(_In_ <span class="keyword">const</span> time_point tp)</div>
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> {</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(tp.time_since_epoch().count() % 7);</div>
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> }</div>
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<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__date.html#a27f6f9c4f44d9f874b9edb868afa264d"> 160</a></span> <span class="keyword">static</span> uint8_t <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a27f6f9c4f44d9f874b9edb868afa264d">day_of_week</a>(_In_ uint8_t day, _In_ uint8_t month, _In_ int32_t year)</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> {</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(<a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a1aa2157912e935cf399833c2265628e0">from_dmy</a>(day, month, year).time_since_epoch().count() % 7);</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> }</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> };</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__timestamp.html"> 169</a></span> <span class="keyword">struct </span><a class="code hl_struct" href="structstdex_1_1chrono_1_1aosn__timestamp.html">aosn_timestamp</a></div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> {</div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keyword">using </span>rep = int64_t;</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">using </span>period = std::ratio<1, 1'000'000>; <span class="comment">// 1 microsecond</span></div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keyword">using </span>duration = std::chrono::duration<rep, period>;</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="keyword">using </span>time_point = std::chrono::time_point<aosn_timestamp>;</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <span class="keywordtype">bool</span> is_steady = <span class="keyword">false</span>;</div>
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<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
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<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> rep f_second = 1000; <span class="comment">// number of milliseconds per second</span></div>
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<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> rep f_minute = 60; <span class="comment">// number of seconds per minute</span></div>
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<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> rep f_hour = 60; <span class="comment">// number of minutes per hour</span></div>
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<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> rep f_day = 24; <span class="comment">// number of hours per day</span></div>
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<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> rep f_week = 7; <span class="comment">// number of days per week</span></div>
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<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> </div>
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<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> rep p_second = f_second; <span class="comment">// number of milliseconds per second</span></div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> rep p_minute = f_minute * p_second; <span class="comment">// number of milliseconds per minute</span></div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> rep p_hour = f_hour * p_minute; <span class="comment">// number of milliseconds per hour</span></div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> rep p_day = f_day * p_hour; <span class="comment">// number of milliseconds per day</span></div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> rep p_week = f_week * p_day; <span class="comment">// number of milliseconds per week</span></div>
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<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
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<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__timestamp.html#ac6cabfe2d28771397601920e08f79827"> 192</a></span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#ac6cabfe2d28771397601920e08f79827">now</a>() noexcept</div>
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<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> {</div>
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<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> FILETIME t;</div>
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<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> GetSystemTimeAsFileTime(&t);</div>
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<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#aa8da2be29dabc3fb0a5d46fb9075e830">from_system</a>(t);</div>
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<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> time_t t;</div>
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<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> time(&t);</div>
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<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#ab58534276c9ca29fa4b5cf749e16af92">from_time_t</a>(t);</div>
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<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> }</div>
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<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
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<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__timestamp.html#a4448e9b37f69dc9c34ffc59febb93180"> 208</a></span> <span class="keyword">static</span> __time64_t <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#a4448e9b37f69dc9c34ffc59febb93180">to_time_t</a>(_In_ <span class="keyword">const</span> time_point tp) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> {</div>
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<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">return</span> tp.time_since_epoch().count() / p_second - 210866803200;</div>
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<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> }</div>
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<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
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<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__timestamp.html#ab58534276c9ca29fa4b5cf749e16af92"> 216</a></span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#ab58534276c9ca29fa4b5cf749e16af92">from_time_t</a>(_In_ __time64_t t) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> {</div>
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<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> <span class="keywordflow">return</span> time_point(duration((<span class="keyword">static_cast<</span>rep<span class="keyword">></span>(t) + 210866803200) * p_second));</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> }</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> </div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span><span class="preprocessor">#ifdef _WIN32</span></div>
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<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#aa8da2be29dabc3fb0a5d46fb9075e830">from_system</a>(_In_ <span class="keyword">const</span> SYSTEMTIME& t) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> {</div>
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<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#a7bcfefab8b0263fd2c22dae2245a69c3">from_dmy</a>(</div>
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<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(t.wDay), <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(t.wMonth), <span class="keyword">static_cast<</span>int32_t<span class="keyword">></span>(t.wYear),</div>
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<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(t.wHour), <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(t.wMinute), <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(t.wSecond), <span class="keyword">static_cast<</span>uint16_t<span class="keyword">></span>(t.wMilliseconds));</div>
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<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> }</div>
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<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
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<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#aa8da2be29dabc3fb0a5d46fb9075e830">from_system</a>(_In_ <span class="keyword">const</span> FILETIME& t) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> {</div>
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<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> rep x = ((<span class="keyword">static_cast<</span>rep<span class="keyword">></span>(t.dwHighDateTime)) << 32) | t.dwLowDateTime;</div>
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<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keywordflow">return</span> time_point(duration(x / 10000 + 199222329600000)); <span class="comment">// Convert from 100 ns to 1 ms interval and adjust epoch</span></div>
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<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> }</div>
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<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> </div>
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<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#aa8da2be29dabc3fb0a5d46fb9075e830">from_system</a>(_In_ DATE t)</div>
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<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> {</div>
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<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> SYSTEMTIME st;</div>
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<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <span class="keywordflow">if</span> (!VariantTimeToSystemTime(t, &st))</div>
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<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"failed to convert date from VARIANT_DATE"</span>);</div>
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<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#aa8da2be29dabc3fb0a5d46fb9075e830">from_system</a>(st);</div>
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<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> }</div>
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<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__timestamp.html#aa8da2be29dabc3fb0a5d46fb9075e830"> 255</a></span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#aa8da2be29dabc3fb0a5d46fb9075e830">from_system</a>(_In_ <span class="keyword">const</span> <span class="keyword">struct</span> timespec& t) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> {</div>
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<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keywordflow">return</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#ab58534276c9ca29fa4b5cf749e16af92">from_time_t</a>(t.tv_sec) + t.tv_nsec / 1000;</div>
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<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> }</div>
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<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> </div>
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<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keyword">static</span> <span class="keywordtype">void</span> to_system(_In_ time_point tp, _Out_ <span class="keyword">struct</span> tm& date) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> {</div>
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<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> uint8_t day, month, hour, minute, second;</div>
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<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> uint16_t millisecond;</div>
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<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> int32_t year;</div>
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<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#ae20e512af8ec094253b5af13f1d2e9ad">to_dmy</a>(tp, &day, &month, &year, &hour, &minute, &second, &millisecond);</div>
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<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> date.tm_sec = second;</div>
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<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> date.tm_min = minute;</div>
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<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> date.tm_hour = hour;</div>
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<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> date.tm_mday = day;</div>
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<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> date.tm_mon = month - 1;</div>
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<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> date.tm_year = year - 1900;</div>
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<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> date.tm_wday = (<span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(<a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a22273e1d536ed78a67beef7be5d0ebd6">aosn_date::day_of_week</a>(<a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#a805c2ab1855a554a0fc2be56fa234489">to_date</a>(tp))) + 1) % 7;</div>
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<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> date.tm_yday = 0;</div>
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<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> date.tm_isdst = 0;</div>
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<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> }</div>
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<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
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<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__timestamp.html#a805c2ab1855a554a0fc2be56fa234489"> 281</a></span> <span class="keyword">static</span> aosn_date::time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#a805c2ab1855a554a0fc2be56fa234489">to_date</a>(_In_ time_point tp) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> {</div>
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<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keywordflow">return</span> aosn_date::time_point(aosn_date::duration(<span class="keyword">static_cast<</span>aosn_date::rep<span class="keyword">></span>(tp.time_since_epoch().count() / p_day)));</div>
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<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> }</div>
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<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> </div>
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<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__timestamp.html#a47f38a2cdf1525e44ac800311d9ab825"> 289</a></span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#a47f38a2cdf1525e44ac800311d9ab825">from_date</a>(_In_ aosn_date::time_point date) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> {</div>
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<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="keywordflow">return</span> time_point(duration(<span class="keyword">static_cast<</span>rep<span class="keyword">></span>(date.time_since_epoch().count()) * p_day));</div>
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<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> }</div>
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<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> </div>
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<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__timestamp.html#a7bcfefab8b0263fd2c22dae2245a69c3"> 297</a></span> <span class="keyword">static</span> time_point <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#a7bcfefab8b0263fd2c22dae2245a69c3">from_dmy</a>(</div>
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<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> _In_ uint8_t day, _In_ uint8_t month, _In_ int32_t year,</div>
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<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> _In_ uint8_t hour, _In_ uint8_t minute, _In_ uint8_t second, _In_ uint16_t millisecond) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> {</div>
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<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">return</span> time_point(duration(</div>
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<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> (<span class="keyword">static_cast<</span>rep<span class="keyword">></span>(<a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a1aa2157912e935cf399833c2265628e0">aosn_date::from_dmy</a>(day, month, year).time_since_epoch().count()) * p_day) +</div>
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<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> (<span class="keyword">static_cast<</span>rep<span class="keyword">></span>(hour) * p_hour + <span class="keyword">static_cast<</span>rep<span class="keyword">></span>(minute) * p_minute + <span class="keyword">static_cast<</span>rep<span class="keyword">></span>(second) * p_second + millisecond)));</div>
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<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> }</div>
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<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> </div>
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<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"><a class="line" href="structstdex_1_1chrono_1_1aosn__timestamp.html#ae20e512af8ec094253b5af13f1d2e9ad"> 309</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#ae20e512af8ec094253b5af13f1d2e9ad">to_dmy</a>(_In_ <span class="keyword">const</span> time_point tp,</div>
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<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> _Out_opt_ uint8_t* day, _Out_opt_ uint8_t* month, _Out_opt_ int32_t* year,</div>
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<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> _Out_opt_ uint8_t* hour, _Out_opt_ uint8_t* minute, _Out_opt_ uint8_t* second, _Out_opt_ uint16_t* millisecond) <span class="keyword">noexcept</span></div>
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<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> {</div>
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<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__date.html#a1d7511309210a6766b8a7d5d792dbc62">aosn_date::to_dmy</a>(<a class="code hl_function" href="structstdex_1_1chrono_1_1aosn__timestamp.html#a805c2ab1855a554a0fc2be56fa234489">to_date</a>(tp), day, month, year);</div>
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<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> int32_t u = <span class="keyword">static_cast<</span>int32_t<span class="keyword">></span>(tp.time_since_epoch().count() % p_day);</div>
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<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keywordflow">if</span> (millisecond) *millisecond = <span class="keyword">static_cast<</span>uint16_t<span class="keyword">></span>(u % f_second);</div>
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<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> u = u / f_second;</div>
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<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="keywordflow">if</span> (second) *second = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(u % f_minute);</div>
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<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> u = u / f_minute;</div>
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<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="keywordflow">if</span> (minute) *minute = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(u % f_hour);</div>
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<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> u = u / f_hour;</div>
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<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="keywordflow">if</span> (hour) *hour = <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(u);</div>
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<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> }</div>
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<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> </div>
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<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keyword">template</span><<span class="keyword">class</span> _Traits = std::<span class="keywordtype">char</span>_traits<<span class="keywordtype">char</span>>, <span class="keyword">class</span> _Ax = std::allocator<<span class="keywordtype">char</span>>></div>
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<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keyword">static</span> std::basic_string<char, _Traits, _Ax> to_str(_In_ <span class="keyword">const</span> time_point tp, _In_z_ <span class="keyword">const</span> <span class="keywordtype">char</span>* format, _In_opt_ locale_t locale)</div>
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<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> {</div>
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<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="keyword">struct </span>tm date;</div>
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<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> to_system(tp, date);</div>
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<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> std::basic_string<char, _Traits, _Ax> str;</div>
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<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <span class="keywordtype">char</span> stack_buffer[1024 / <span class="keyword">sizeof</span>(char)];</div>
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<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> <span class="keywordtype">size_t</span> n;</div>
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<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span><span class="preprocessor">#if _WIN32</span></div>
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<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> n = _strftime_l(stack_buffer, _countof(stack_buffer), format, &date, locale);</div>
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<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> n = strftime_l(stack_buffer, _countof(stack_buffer), format, &date, locale);</div>
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<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="keywordflow">if</span> (n) {</div>
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<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> str.assign(stack_buffer, stack_buffer + n);</div>
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<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> <span class="keywordflow">return</span> str;</div>
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<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> }</div>
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<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keywordtype">size_t</span> num_chars = stdex::mul(_countof(stack_buffer), 2);</div>
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<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="keywordflow">for</span> (;;) {</div>
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<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> std::unique_ptr<char> buf(<span class="keyword">new</span> <span class="keywordtype">char</span>[num_chars]);</div>
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<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span><span class="preprocessor">#if _WIN32</span></div>
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<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> n = _strftime_l(buf.get(), num_chars, format, &date, locale);</div>
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<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> n = strftime_l(buf.get(), num_chars, format, &date, locale);</div>
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<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keywordflow">if</span> (n) {</div>
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<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> str.assign(buf.get(), buf.get() + n);</div>
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<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> <span class="keywordflow">return</span> str;</div>
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<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> }</div>
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<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> num_chars = stdex::mul(num_chars, 2);</div>
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<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> }</div>
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<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> }</div>
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<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> </div>
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<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> <span class="keyword">template</span><<span class="keyword">class</span> _Traits = std::<span class="keywordtype">char</span>_traits<<span class="keywordtype">wchar_t</span>>, <span class="keyword">class</span> _Ax = std::allocator<<span class="keywordtype">wchar_t</span>>></div>
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<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="keyword">static</span> std::basic_string<wchar_t, _Traits, _Ax> to_str(_In_ <span class="keyword">const</span> time_point tp, _In_z_ <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* format, _In_opt_ locale_t locale)</div>
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<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> {</div>
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<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keyword">struct </span>tm date;</div>
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<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> to_system(tp, date);</div>
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<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> std::basic_string<wchar_t, _Traits, _Ax> str;</div>
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<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="keywordtype">wchar_t</span> stack_buffer[1024 / <span class="keyword">sizeof</span>(wchar_t)];</div>
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<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="keywordtype">size_t</span> n;</div>
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<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span><span class="preprocessor">#if _WIN32</span></div>
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<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> n = _wcsftime_l(stack_buffer, _countof(stack_buffer), format, &date, locale);</div>
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<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> n = wcsftime_l(stack_buffer, _countof(stack_buffer), format, &date, locale);</div>
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<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> <span class="keywordflow">if</span> (n) {</div>
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<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> str.assign(stack_buffer, stack_buffer + n);</div>
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<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> <span class="keywordflow">return</span> str;</div>
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<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> }</div>
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<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <span class="keywordtype">size_t</span> num_chars = stdex::mul(_countof(stack_buffer), 2);</div>
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<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="keywordflow">for</span> (;;) {</div>
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<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> std::unique_ptr<wchar_t> buf(<span class="keyword">new</span> <span class="keywordtype">wchar_t</span>[num_chars]);</div>
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<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span><span class="preprocessor">#if _WIN32</span></div>
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<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> n = _wcsftime_l(buf.get(), num_chars, format, &date, locale);</div>
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<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span><span class="preprocessor">#else</span></div>
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<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> n = wcsftime_l(buf.get(), num_chars, format, &date, locale);</div>
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<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span><span class="preprocessor">#endif</span></div>
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<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> <span class="keywordflow">if</span> (n) {</div>
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<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> str.assign(buf.get(), buf.get() + n);</div>
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<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keywordflow">return</span> str;</div>
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<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> }</div>
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<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> num_chars = stdex::mul(num_chars, 2);</div>
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<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> }</div>
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<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> }</div>
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<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> </div>
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<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="keyword">template</span><<span class="keyword">class</span> _Traits = std::<span class="keywordtype">char</span>_traits<<span class="keywordtype">char</span>>, <span class="keyword">class</span> _Ax = std::allocator<<span class="keywordtype">char</span>>></div>
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<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="keyword">static</span> std::basic_string<char, _Traits, _Ax> to_rfc822(_In_ <span class="keyword">const</span> time_point tp)</div>
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<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> {</div>
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<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> <span class="keywordflow">return</span> to_str(tp, <span class="stringliteral">"%a, %d %b %Y %H:%M:%S GMT"</span>, locale_C.get());</div>
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<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> }</div>
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<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> };</div>
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<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> }</div>
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<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span>}</div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__date_html"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__date.html">stdex::chrono::aosn_date</a></div><div class="ttdoc">AOsn date.</div><div class="ttdef"><b>Definition</b> chrono.hpp:23</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__date_html_a1aa2157912e935cf399833c2265628e0"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__date.html#a1aa2157912e935cf399833c2265628e0">stdex::chrono::aosn_date::from_dmy</a></div><div class="ttdeci">static time_point from_dmy(uint8_t day, uint8_t month, int32_t year) noexcept</div><div class="ttdoc">Returns time point from calendar day, month and year.</div><div class="ttdef"><b>Definition</b> chrono.hpp:103</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__date_html_a1d7511309210a6766b8a7d5d792dbc62"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__date.html#a1d7511309210a6766b8a7d5d792dbc62">stdex::chrono::aosn_date::to_dmy</a></div><div class="ttdeci">static void to_dmy(const time_point tp, uint8_t *day, uint8_t *month, int32_t *year) noexcept</div><div class="ttdoc">Returns calendar day, month and year from time point.</div><div class="ttdef"><b>Definition</b> chrono.hpp:125</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__date_html_a211a5ad3a659e25b78d2be3471dcb7ba"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__date.html#a211a5ad3a659e25b78d2be3471dcb7ba">stdex::chrono::aosn_date::to_time_t</a></div><div class="ttdeci">static __time64_t to_time_t(const time_point tp) noexcept</div><div class="ttdoc">Returns time_t from time point.</div><div class="ttdef"><b>Definition</b> chrono.hpp:49</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__date_html_a22273e1d536ed78a67beef7be5d0ebd6"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__date.html#a22273e1d536ed78a67beef7be5d0ebd6">stdex::chrono::aosn_date::day_of_week</a></div><div class="ttdeci">static uint8_t day_of_week(const time_point tp)</div><div class="ttdoc">Returns day-of-week from time point (0 = Mon, 1 = Tue...)</div><div class="ttdef"><b>Definition</b> chrono.hpp:152</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__date_html_a27f6f9c4f44d9f874b9edb868afa264d"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__date.html#a27f6f9c4f44d9f874b9edb868afa264d">stdex::chrono::aosn_date::day_of_week</a></div><div class="ttdeci">static uint8_t day_of_week(uint8_t day, uint8_t month, int32_t year)</div><div class="ttdoc">Returns day-of-week from calendar day, month and year (0 = Mon, 1 = Tue...)</div><div class="ttdef"><b>Definition</b> chrono.hpp:160</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__date_html_a8637d060dfe75d8a45a72ef05b48d9f9"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__date.html#a8637d060dfe75d8a45a72ef05b48d9f9">stdex::chrono::aosn_date::from_time_t</a></div><div class="ttdeci">static time_point from_time_t(__time64_t t) noexcept</div><div class="ttdoc">Returns time point from time_t.</div><div class="ttdef"><b>Definition</b> chrono.hpp:57</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__date_html_aa049501abaf0ecce57864b258c6f77dc"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__date.html#aa049501abaf0ecce57864b258c6f77dc">stdex::chrono::aosn_date::from_system</a></div><div class="ttdeci">static time_point from_system(const struct timespec &t) noexcept</div><div class="ttdoc">Returns time point from struct timespec.</div><div class="ttdef"><b>Definition</b> chrono.hpp:94</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__date_html_aa744054736b15a0d9b73fef541d271a4"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__date.html#aa744054736b15a0d9b73fef541d271a4">stdex::chrono::aosn_date::now</a></div><div class="ttdeci">static time_point now() noexcept</div><div class="ttdoc">Gets current date.</div><div class="ttdef"><b>Definition</b> chrono.hpp:33</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__timestamp_html"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__timestamp.html">stdex::chrono::aosn_timestamp</a></div><div class="ttdoc">AOsn timestamp.</div><div class="ttdef"><b>Definition</b> chrono.hpp:170</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__timestamp_html_a4448e9b37f69dc9c34ffc59febb93180"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__timestamp.html#a4448e9b37f69dc9c34ffc59febb93180">stdex::chrono::aosn_timestamp::to_time_t</a></div><div class="ttdeci">static __time64_t to_time_t(const time_point tp) noexcept</div><div class="ttdoc">Returns time_t from time point.</div><div class="ttdef"><b>Definition</b> chrono.hpp:208</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__timestamp_html_a47f38a2cdf1525e44ac800311d9ab825"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__timestamp.html#a47f38a2cdf1525e44ac800311d9ab825">stdex::chrono::aosn_timestamp::from_date</a></div><div class="ttdeci">static time_point from_date(aosn_date::time_point date) noexcept</div><div class="ttdoc">Returns time point from aosn_date::time_point.</div><div class="ttdef"><b>Definition</b> chrono.hpp:289</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__timestamp_html_a7bcfefab8b0263fd2c22dae2245a69c3"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__timestamp.html#a7bcfefab8b0263fd2c22dae2245a69c3">stdex::chrono::aosn_timestamp::from_dmy</a></div><div class="ttdeci">static time_point from_dmy(uint8_t day, uint8_t month, int32_t year, uint8_t hour, uint8_t minute, uint8_t second, uint16_t millisecond) noexcept</div><div class="ttdoc">Returns time point from calendar day, month, year and time.</div><div class="ttdef"><b>Definition</b> chrono.hpp:297</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__timestamp_html_a805c2ab1855a554a0fc2be56fa234489"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__timestamp.html#a805c2ab1855a554a0fc2be56fa234489">stdex::chrono::aosn_timestamp::to_date</a></div><div class="ttdeci">static aosn_date::time_point to_date(time_point tp) noexcept</div><div class="ttdoc">Returns aosn_date::time_point from time point.</div><div class="ttdef"><b>Definition</b> chrono.hpp:281</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__timestamp_html_aa8da2be29dabc3fb0a5d46fb9075e830"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__timestamp.html#aa8da2be29dabc3fb0a5d46fb9075e830">stdex::chrono::aosn_timestamp::from_system</a></div><div class="ttdeci">static time_point from_system(const struct timespec &t) noexcept</div><div class="ttdoc">Returns time point from struct timespec.</div><div class="ttdef"><b>Definition</b> chrono.hpp:255</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__timestamp_html_ab58534276c9ca29fa4b5cf749e16af92"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__timestamp.html#ab58534276c9ca29fa4b5cf749e16af92">stdex::chrono::aosn_timestamp::from_time_t</a></div><div class="ttdeci">static time_point from_time_t(__time64_t t) noexcept</div><div class="ttdoc">Returns time point from time_t.</div><div class="ttdef"><b>Definition</b> chrono.hpp:216</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__timestamp_html_ac6cabfe2d28771397601920e08f79827"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__timestamp.html#ac6cabfe2d28771397601920e08f79827">stdex::chrono::aosn_timestamp::now</a></div><div class="ttdeci">static time_point now() noexcept</div><div class="ttdoc">Gets current timestamp.</div><div class="ttdef"><b>Definition</b> chrono.hpp:192</div></div>
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<div class="ttc" id="astructstdex_1_1chrono_1_1aosn__timestamp_html_ae20e512af8ec094253b5af13f1d2e9ad"><div class="ttname"><a href="structstdex_1_1chrono_1_1aosn__timestamp.html#ae20e512af8ec094253b5af13f1d2e9ad">stdex::chrono::aosn_timestamp::to_dmy</a></div><div class="ttdeci">static void to_dmy(const time_point tp, uint8_t *day, uint8_t *month, int32_t *year, uint8_t *hour, uint8_t *minute, uint8_t *second, uint16_t *millisecond) noexcept</div><div class="ttdoc">Returns calendar day, month, year and time from time point.</div><div class="ttdef"><b>Definition</b> chrono.hpp:309</div></div>
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