08eb760acd
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Bart Louwers <bart@emeel.net>
63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
#pragma once
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#include <mbgl/platform/time.hpp>
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#include <chrono>
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#include <limits>
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#include <string>
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#include <type_traits>
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namespace mbgl {
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using Clock = std::chrono::steady_clock;
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using Seconds = std::chrono::seconds;
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using Milliseconds = std::chrono::milliseconds;
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using TimePoint = Clock::time_point;
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using Duration = Clock::duration;
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// Used to measure second-precision times, such as times gathered from HTTP responses.
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using Timestamp = std::chrono::time_point<std::chrono::system_clock, Seconds>;
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namespace util {
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inline Timestamp now() {
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return platform::now();
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}
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// Returns the RFC1123 formatted date. E.g. "Tue, 04 Nov 2014 02:13:24 GMT"
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std::string rfc1123(Timestamp);
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// YYYY-mm-dd HH:MM:SS e.g. "2015-11-26 16:11:23"
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std::string iso8601(Timestamp);
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// YYYY-mm-ddTHH:MM:SS.MS e.g. "2015-11-26T16:11:23.324Z"
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std::string iso8601(std::chrono::time_point<std::chrono::system_clock, Milliseconds>);
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Timestamp parseTimestamp(const char *);
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Timestamp parseTimestamp(int32_t timestamp);
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// C++17 polyfill
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#if defined(_MSC_VER) && !defined(__clang__)
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template <class _Rep, class _Period, std::enable_if_t<std::numeric_limits<_Rep>::is_signed, int> = 0>
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_NODISCARD constexpr std::chrono::duration<_Rep, _Period> abs(const std::chrono::duration<_Rep, _Period> _Dur) noexcept(
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std::is_arithmetic_v<_Rep>) /* strengthened */ {
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// create a duration with count() the absolute value of _Dur.count()
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return _Dur < std::chrono::duration<_Rep, _Period>::zero() ? std::chrono::duration<_Rep, _Period>::zero() - _Dur
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: _Dur;
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}
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#else
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template <class Rep, class Period>
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constexpr std::chrono::duration<Rep, Period> abs(std::chrono::duration<Rep, Period> d)
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requires(std::chrono::duration<Rep, Period>::min() < std::chrono::duration<Rep, Period>::zero())
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{
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return d >= d.zero() ? d : -d;
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}
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#endif
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} // namespace util
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} // namespace mbgl
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