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54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
#ifndef OPENMW_COMPONENTS_MISC_TIMECONVERT_H
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#define OPENMW_COMPONENTS_MISC_TIMECONVERT_H
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#include <cerrno>
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#include <chrono>
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#include <cstring>
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#include <ctime>
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#include <filesystem>
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#include <iomanip>
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#include <sstream>
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#include <string>
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#include <system_error>
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namespace Misc
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{
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inline std::time_t toTimeT(std::filesystem::file_time_type tp)
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{
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using namespace std::chrono;
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#if __cpp_lib_chrono >= 201907
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const auto systemTime = clock_cast<system_clock>(tp);
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#else
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auto systemTime = time_point_cast<system_clock::duration>(
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tp - std::filesystem::file_time_type::clock::now() + system_clock::now());
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#endif
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return system_clock::to_time_t(systemTime);
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}
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inline std::string timeTToString(const std::time_t tp, const char* fmt)
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{
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tm time_info{};
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#ifdef _WIN32
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if (const errno_t error = localtime_s(&time_info, &tp); error != 0)
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throw std::system_error(error, std::generic_category());
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#else
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if (localtime_r(&tp, &time_info) == nullptr)
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throw std::system_error(errno, std::generic_category());
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#endif
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std::stringstream out;
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out << std::put_time(&time_info, fmt);
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return out.str();
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}
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inline std::string fileTimeToString(const std::filesystem::file_time_type& tp, const char* fmt)
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{
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return timeTToString(toTimeT(tp), fmt);
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}
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inline std::string timeToString(const std::chrono::system_clock::time_point& tp, const char* fmt)
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{
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return timeTToString(std::chrono::system_clock::to_time_t(tp), fmt);
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}
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} // namespace Misc
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#endif
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