earth_gregorian_time.h

//
// Created by camilo on 2022-10-12 10:11 <3ThomasBorregaardSorensen!!
//
#pragma once
 
 
#include "earth_time_shift.h"
 
 
namespace earth
{
 
 
   class CLASS_DECL_ACME gregorian_time
   {
   public:
 
 
      ::i32 m_iDayOfWeek;
 
 
      ::i64 m_iNanoSecond;
      ::i32 m_iSecond;        /* Seconds.   [0-60] (1 leap second) */
      ::i32 m_iMinute;        /* Minutes.   [0-59] */
      ::i32 m_iHour;          /* Hours. [0-23] */
      ::i32 m_iDay;           /* Day.       [1-31] */
      ::i32 m_iMonth;         /* Month. [0-11] */
      ::i32 m_iYear;
 
 
      inline gregorian_time()
      {
 
         m_iDayOfWeek = 0;
 
 
         m_iNanoSecond = 0;
         m_iSecond =0;        /* Seconds.   [0-60] (1 leap second) */
         m_iMinute =0 ;        /* Minutes.  [0-59] */
         m_iHour=0;          /* Hours.  [0-23] */
         m_iDay=0;           /* Day.        [1-31] */
         m_iMonth=0;         /* Month.  [0-11] */
         m_iYear=0;
 
      }
 
 
      explicit gregorian_time(const ::posix_time & posixtime, ::i64 iNanosecond = 0, const class ::time & timeshift = {});
      explicit gregorian_time(const class ::time & time, const class ::time & timeshift = {});
      explicit gregorian_time(const ::system_time & systemtime, const class ::time & timeshift = {});
      explicit gregorian_time(const ::file_time & filetime, const class ::time & timeshift = {});
 
 
      void set(const ::posix_time & time, ::i64 iNanosecond, const class ::time & timeshift);
 
      void set(const class ::time & time, const class ::time & timeshift);
 
      //void set(const ::earth::time & time, const class ::time & timeshift);
 
      ::posix_time get_posix_time();
 
 
      //         inline void get(struct ::tm *ptm)
      //         {
      //
      //            ptm->tm_sec = m_iSecond;
      //            ptm->tm_min = m_iMinute;
      //            ptm->tm_hour = m_iHour;
      //            ptm->tm_mday = m_iDay;
      //            ptm->tm_mon = m_iMonth;
      //            ptm->tm_year = m_iYear - 1900;
      //
      //         }
 
 
      //void get(system_time_t * psystemtime);
 
      //void get(file_time & filetime);
 
 
 
      //void Now(const class ::time &timeshift = {});
 
 
      posix_time make_utc_time() const;
 
 
   };
 
   constexpr int32_t is_leap_year(::i32 year)
   {
      if (year % 400 == 0)
         return 1;
      if (year % 100 == 0)
         return 0;
      if (year % 4 == 0)
         return 1;
      return 0;
   }
 
 
   constexpr ::i32 days_from_0(::i32 year)
   {
      year--;
      return 365 * year + (year / 400) - (year / 100) + (year / 4);
   }
 
 
   constexpr ::i32 days_from_1970(::i32 year)
   {
      const auto days_from_0_to_1970 = days_from_0(1970);
      return days_from_0(year) - days_from_0_to_1970;
   }
 
 
   CLASS_DECL_ACME ::i32 days_from_1jan(::i32 year, ::i32 month, ::i32 day);
 
 
 
 
} // namespace earth