Isis 3.0 Developer's Reference (API)

Home

---

iTime.h

Go to the documentation of this file.

#ifndef Time_h
#define Time_h

#include <string>

#include "naif/SpiceUsr.h"
#include "naif/SpiceZfc.h"
#include "naif/SpiceZmc.h"

#include "Filename.h"

namespace Isis {
  class iString;

  class iTime {
    public:
      // constructor
      iTime();
      iTime(const std::string &time);

      iTime(const double time) {
        if(!p_lpInitialized)
          LoadLeapSecondKernel();

        p_et = time;
      }

      // destructor
      ~iTime() {};

      void operator=(const std::string &time);
      void operator=(const char *time);
      void operator=(const double time);

      bool operator>=(const iTime &time);
      bool operator<=(const iTime &time);
      bool operator>(const iTime &time);
      bool operator<(const iTime &time);
      bool operator!=(const iTime &time);
      bool operator==(const iTime &time);

      iTime operator +(const double &secondsToAdd) const;
      void operator +=(const double &secondsToAdd);
      friend iTime operator +(const double &secondsToAdd, iTime time);

      // Return the year
      std::string YearString() const;
      int Year() const;
      std::string MonthString() const;
      int Month() const;
      std::string DayString() const;
      int Day() const;
      std::string HourString() const;
      int Hour() const;
      std::string MinuteString() const;
      int Minute() const;
      std::string SecondString() const;
      double Second() const;
      std::string DayOfYearString() const;
      int DayOfYear() const;
      std::string EtString() const;

      double Et() const {
        return p_et;
      }

      std::string UTC() const;
      static std::string CurrentGMT();
      static std::string CurrentLocalTime();
      
      void setEt(double et);
      void setUtc(iString utcString);

    private:
      double p_et;     
      void LoadLeapSecondKernel();
      void UnloadLeapSecondKernel();

      static bool p_lpInitialized;
  };
};

#endif