eyedb::GregorianCalendarConverter Class Reference

An utility class that performs some calendar conversion from and to the julian day. More...

#include <GregorianCalendarConverter.h>

Inheritance diagram for eyedb::GregorianCalendarConverter:

List of all members.

Public Member Functions
	GregorianCalendarConverter ()
	~GregorianCalendarConverter ()
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.

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Detailed Description

An utility class that performs some calendar conversion from and to the julian day.

Definition at line 36 of file GregorianCalendarConverter.h.

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Member Function Documentation

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.

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.

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.

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The documentation for this class was generated from the following files:

• GregorianCalendarConverter.h
• GregorianCalendarConverter.cc

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