Time.hpp

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#ifndef BASE_TIME_H__
#define BASE_TIME_H__

#include <cstdlib>
#include <ostream>
#include <stdint.h>
#include <vector>

namespace base
{
    struct Time
    {
    private:
        explicit Time(int64_t _microseconds);
        
    public:
        int64_t microseconds;

        static const int UsecPerSec = 1000000LL;

        enum Resolution { Seconds = 1, Milliseconds = 1000, Microseconds = 1000000 };

        Time();


    public:
        static Time now();

        bool operator < (Time const& ts) const;
        bool operator > (Time const& ts) const;
        bool operator == (Time const& ts) const;
        bool operator != (Time const& ts) const;
        bool operator >= (Time const& ts) const;
        bool operator <= (Time const& ts) const;
        Time operator - (Time const& ts) const;
        Time operator + (Time const& ts) const;
        Time operator / (int divider) const;
        Time operator * (double factor) const;

        bool isNull() const;

        timeval toTimeval() const;

        std::vector<int> toTimeValues() const;

        std::string toString(base::Time::Resolution resolution = Microseconds, const std::string& mainFormat = "%Y%m%d-%H:%M:%S") const;
       
        double toSeconds() const;
        
        int64_t toMilliseconds() const;
        
        int64_t toMicroseconds() const;
        
        static Time fromMicroseconds(int64_t value);
        
        static Time fromMilliseconds(int64_t value);
        
        static Time fromSeconds(int64_t value);
        
        static Time fromSeconds(int value);
        
        static Time fromSeconds(int64_t value, int microseconds);
        
        static Time fromSeconds(double value);
        
        static Time max();

        static Time fromTimeValues(int year, int month, int day, int hour, int minute, int seconds, int millis, int micros);
        

        static Time fromString(const std::string& stringTime, Resolution resolution = Microseconds, const std::string& mainFormat = "%Y%m%d-%H:%M:%S");
    };

    std::ostream& operator << (std::ostream& io, base::Time const& time);
}


#endif