eyedb::GregorianCalendarConverter Class Reference
An utility class that performs some calendar conversion from and to the julian day. More...
#include <GregorianCalendarConverter.h>
Public Member Functions | |
| virtual void | jday2calendar (const eyedblib::int32 julian, eyedblib::int32 *year, eyedblib::int16 *month, eyedblib::int16 *day) |
| Computes the calendar date (year, month, day) from the julian day. | |
| virtual void | calendar2jday (eyedblib::int32 *julian, const eyedblib::int32 year, const eyedblib::int16 month, const eyedblib::int16 day) |
| Computes the julian day from a calendar date (year, month, day). | |
| virtual eyedblib::int16 | jday2day_of_year (const eyedblib::int32 julian) |
| This method is not thread-safe. | |
| virtual Bool | jday2leap_year (const eyedblib::int32 julian) |
| This method is not thread-safe. | |
| virtual Weekday::Type | jday2weekday (const eyedblib::int32 julian) |
| Computes the week day (monday, tuesday. | |
| virtual eyedblib::int32 | ascii2jday (const char *date) |
| This method is not thread-safe. | |
| virtual char * | jday2ascii (const eyedblib::int32 julian) |
| This method is not thread-safe. | |
| virtual eyedblib::int32 | current_date () |
| Gets the current julian day. | |
Detailed Description
An utility class that performs some calendar conversion from and to the julian day.
Definition at line 36 of file GregorianCalendarConverter.h.
Member Function Documentation
| void eyedb::GregorianCalendarConverter::calendar2jday | ( | eyedblib::int32 * | julian, | |
| const eyedblib::int32 | year, | |||
| const eyedblib::int16 | month, | |||
| const eyedblib::int16 | day | |||
| ) | [virtual] |
Computes the julian day from a calendar date (year, month, day).
The conversion algorithm comes from Hermetic Systems at http://hermetic.magnet.ch/cal_stud/jdn.htm (Henry F. Fliegel and Thomas C. Van Flandern). This method is not thread-safe.
- Parameters:
-
julian The returned julian day or -1 if the date is invalid year The year ( > -4713) month The month day The day of month
Implements eyedb::CalendarConverter.
Definition at line 129 of file GregorianCalendarConverter.cc.
| void eyedb::GregorianCalendarConverter::jday2calendar | ( | const eyedblib::int32 | julian, | |
| eyedblib::int32 * | year, | |||
| eyedblib::int16 * | month, | |||
| eyedblib::int16 * | day | |||
| ) | [virtual] |
Computes the calendar date (year, month, day) from the julian day.
The conversion algorithm comes from Hermetic Systems at http://hermetic.magnet.ch/cal_stud/jdn.htm (Henry F. Fliegel and Thomas C. Van Flandern). This method is not thread-safe.
- Parameters:
-
julian The julian day (negative values will result in -4713-11-25) year The returned year ( > -4713) month The returned month (1-12) day The returned day of month (1-31)
Implements eyedb::CalendarConverter.
Definition at line 76 of file GregorianCalendarConverter.cc.
| Weekday::Type eyedb::GregorianCalendarConverter::jday2weekday | ( | const eyedblib::int32 | julian | ) | [virtual] |
Computes the week day (monday, tuesday.
..) from the julian day.
- Parameters:
-
julian The julian day
- Returns:
- The week day
Implements eyedb::CalendarConverter.
Definition at line 188 of file GregorianCalendarConverter.cc.
The documentation for this class was generated from the following files:
