eyedb::CalendarConverter Class Reference

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

#include <CalendarConverter.h>

Inheritance diagram for eyedb::CalendarConverter:

List of all members.

Public Member Functions
virtual void	jday2calendar (const eyedblib::int32 julian, eyedblib::int32 *year, eyedblib::int16 *month, eyedblib::int16 *day)=0
	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)=0
	Computes the julian day from a calendar date (year, month, day).
virtual eyedblib::int16	jday2day_of_year (const eyedblib::int32 julian)=0
	Computes the day of year from the julian day.
virtual Bool	jday2leap_year (const eyedblib::int32 julian)=0
	Check if a year is a leap year from the julian day.
virtual Weekday::Type	jday2weekday (const eyedblib::int32 julian)=0
	Computes the week day (monday, tuesday.
virtual eyedblib::int32	ascii2jday (const char *date)=0
	Computes the julian day from an ASCII date.
virtual char *	jday2ascii (const eyedblib::int32 julian)=0
	Computes an ASCII date from the julian day.
virtual eyedblib::int32	current_date ()=0
	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.

This is an abstract class.

Definition at line 39 of file CalendarConverter.h.

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Member Function Documentation

virtual void eyedb::CalendarConverter::jday2calendar	(	const eyedblib::int32	julian,
		eyedblib::int32 *	year,
		eyedblib::int16 *	month,
		eyedblib::int16 *	day
	)			[pure virtual]

Computes the calendar date (year, month, day) from the julian day.

Parameters:

	julian	The julian day
	year	The returned year
	month	The returned month
	day	The returned day of month

Implemented in eyedb::GregorianCalendarConverter.

virtual void eyedb::CalendarConverter::calendar2jday	(	eyedblib::int32 *	julian,
		const eyedblib::int32	year,
		const eyedblib::int16	month,
		const eyedblib::int16	day
	)			[pure virtual]

Computes the julian day from a calendar date (year, month, day).

Parameters:

	julian	The returned julian day or 0 if the date is invalid.
	year	The year
	month	The month
	day	The day of month

Implemented in eyedb::GregorianCalendarConverter.

virtual eyedblib::int16 eyedb::CalendarConverter::jday2day_of_year

(

const eyedblib::int32

julian

)

[pure virtual]

Computes the day of year from the julian day.

Parameters:

julian

The julian day

Returns:

The day of year

Implemented in eyedb::GregorianCalendarConverter.

virtual Bool eyedb::CalendarConverter::jday2leap_year

(

const eyedblib::int32

julian

)

[pure virtual]

Check if a year is a leap year from the julian day.

Parameters:

julian

The julian day

Returns:

True if is a leap year, idbfalse otherwise

Implemented in eyedb::GregorianCalendarConverter.

virtual Weekday::Type eyedb::CalendarConverter::jday2weekday

(

const eyedblib::int32

julian

)

[pure virtual]

Computes the week day (monday, tuesday.

..) from the julian day.

Parameters:

julian

The julian day

Returns:

The week day

Implemented in eyedb::GregorianCalendarConverter.

virtual eyedblib::int32 eyedb::CalendarConverter::ascii2jday

(

const char *

date

)

[pure virtual]

Computes the julian day from an ASCII date.

Parameters:

date

The ASCII date in ISO format "YYYY-MM-DD"

Returns:

The julian day or 0 if date was not valid.

Implemented in eyedb::GregorianCalendarConverter.

virtual char* eyedb::CalendarConverter::jday2ascii

(

const eyedblib::int32

julian

)

[pure virtual]

Computes an ASCII date from the julian day.

Parameters:

julian

The julian day

Returns:

The ASCII date in ISO format "YYY-MM-DD". It must be deallocated (delete) by the client.

Implemented in eyedb::GregorianCalendarConverter.

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

• CalendarConverter.h

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