spk_chronometer.hpp

#pragma once
 
#include "structure/system/time/spk_duration.hpp"
#include "structure/system/time/spk_timestamp.hpp"
 
#include <iostream>
 
namespace spk
{
    class Chronometer
    {
    public:
        enum class State
        {
            Idle,
            Running,
            Paused
        };
 
    private:
        State _state;
        Timestamp _startTime;
        Duration _accumulatedTime;
 
    public:
        Chronometer();

        void start();
        void stop();
        void pause();
        void resume();
        void restart();

        Duration elapsedTime() const;

        State state() const
        {
            return _state;
        }
 
    private:
        Duration _currentRunDuration() const;
    };
 
    inline const char *toString(Chronometer::State p_state);
    inline const wchar_t *toWstring(Chronometer::State p_state);
}
 
std::ostream &operator<<(std::ostream &p_os, spk::Chronometer::State p_state);
std::wostream &operator<<(std::wostream &p_wos, spk::Chronometer::State p_state);