| #pragma once |
| |
| #include <chrono> |
| #include <string> |
| |
| namespace mbgl { |
| |
| using Clock = std::chrono::steady_clock; |
| |
| using Seconds = std::chrono::seconds; |
| using Milliseconds = std::chrono::milliseconds; |
| |
| using TimePoint = Clock::time_point; |
| using Duration = Clock::duration; |
| |
| // Used to measure second-precision times, such as times gathered from HTTP responses. |
| using Timestamp = std::chrono::time_point<std::chrono::system_clock, Seconds>; |
| |
| namespace util { |
| |
| inline Timestamp now() { |
| return std::chrono::time_point_cast<Seconds>(std::chrono::system_clock::now()); |
| } |
| |
| // Returns the RFC1123 formatted date. E.g. "Tue, 04 Nov 2014 02:13:24 GMT" |
| std::string rfc1123(Timestamp); |
| |
| // YYYY-mm-dd HH:MM:SS e.g. "2015-11-26 16:11:23" |
| std::string iso8601(Timestamp); |
| |
| Timestamp parseTimestamp(const char *); |
| |
| Timestamp parseTimestamp(const int32_t timestamp); |
| |
| // C++17 polyfill |
| template <class Rep, class Period, class = std::enable_if_t< |
| std::chrono::duration<Rep, Period>::min() < std::chrono::duration<Rep, Period>::zero()>> |
| constexpr std::chrono::duration<Rep, Period> abs(std::chrono::duration<Rep, Period> d) |
| { |
| return d >= d.zero() ? d : -d; |
| } |
| |
| } // namespace util |
| |
| } // namespace mbgl |