stopwatch.hpp

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#pragma once
#include <string>
#include "../object.hpp"
#include "../time_span.hpp"

namespace xtd {
  namespace diagnostics {
    class core_export_ stopwatch : public xtd::object {
    public:
      
      stopwatch() = default;
      
      stopwatch(const xtd::diagnostics::stopwatch&) = default;
      auto operator =(const xtd::diagnostics::stopwatch&) -> stopwatch& = default;
      
      
      [[nodiscard]] auto elapsed() const noexcept -> xtd::time_span;
      
      [[nodiscard]] auto elapsed_milliseconds() const noexcept -> xtd::int64;
      
      [[nodiscard]] auto elapsed_nanoseconds() const noexcept -> xtd::int64;
      
      [[nodiscard]] auto elapsed_ticks() const noexcept -> xtd::int64;
      
      [[nodiscard]] auto is_running() const noexcept -> bool;
      
      
      [[nodiscard]] static auto frequency() noexcept -> xtd::int64;
      
      [[nodiscard]] static auto is_high_resolution() noexcept -> bool;
      
      
      auto reset() noexcept -> void;
      
      auto restart() noexcept -> void;
      
      auto start() noexcept -> void;
      
      [[nodiscard]] static auto start_new() noexcept -> xtd::diagnostics::stopwatch;
      
      auto stop() noexcept -> void;
      
      
      [[nodiscard]] static auto get_timestamp() noexcept -> std::chrono::nanoseconds;
      
      [[nodiscard]] static auto get_timestamp_milliseconds() noexcept -> xtd::int64;
      
      [[nodiscard]] static auto get_timestamp_nanoseconds() noexcept -> xtd::int64;
      
      [[nodiscard]] static auto get_timestamp_ticks() noexcept -> xtd::int64;
      
    private:
      explicit stopwatch(bool start);
      bool running_ = false;
      xtd::int64 start_ = 0;
      xtd::int64 stop_ = 0;
    };
  }
}