| 1 | #pragma once |
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| 2 | |
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| 3 | #include <chrono> |
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| 4 | #include <string> |
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| 5 | |
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| 6 | namespace mbgl { |
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| 7 | |
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| 8 | using Clock = std::chrono::steady_clock; |
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| 9 | |
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| 10 | using Seconds = std::chrono::seconds; |
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| 11 | using Milliseconds = std::chrono::milliseconds; |
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| 12 | |
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| 13 | using TimePoint = Clock::time_point; |
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| 14 | using Duration = Clock::duration; |
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| 15 | |
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| 16 | // Used to measure second-precision times, such as times gathered from HTTP responses. |
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| 17 | using Timestamp = std::chrono::time_point<std::chrono::system_clock, Seconds>; |
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| 18 | |
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| 19 | namespace util { |
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| 20 | |
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| 21 | inline Timestamp now() { |
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| 22 | return std::chrono::time_point_cast<Seconds>(t: std::chrono::system_clock::now()); |
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| 23 | } |
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| 24 | |
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| 25 | // Returns the RFC1123 formatted date. E.g. "Tue, 04 Nov 2014 02:13:24 GMT" |
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| 26 | std::string rfc1123(Timestamp); |
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| 27 | |
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| 28 | // YYYY-mm-dd HH:MM:SS e.g. "2015-11-26 16:11:23" |
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| 29 | std::string iso8601(Timestamp); |
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| 30 | |
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| 31 | Timestamp parseTimestamp(const char *); |
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| 32 | |
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| 33 | Timestamp parseTimestamp(const int32_t timestamp); |
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| 34 | |
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| 35 | // C++17 polyfill |
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| 36 | template <class Rep, class Period, class = std::enable_if_t< |
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| 37 | std::chrono::duration<Rep, Period>::min() < std::chrono::duration<Rep, Period>::zero()>> |
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| 38 | constexpr std::chrono::duration<Rep, Period> abs(std::chrono::duration<Rep, Period> d) |
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| 39 | { |
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| 40 | return d >= d.zero() ? d : -d; |
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| 41 | } |
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| 42 | |
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| 43 | } // namespace util |
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| 44 | |
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| 45 | } // namespace mbgl |
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| 46 | |
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