Tools.h++ Class Reference

RWBoolean
isValid() const;
Returns TRUE if this is a valid date, FALSE otherwise.
The following two functions are provided as a service to users who need to manipulate
the date representation directly. The julian day number is not the Julian date!. The julian
day number is calculated using Algorithm 199 from Communications of the ACM,
Volume 6, No. 8, (Aug. 1963), p. 444 and is valid for any valid Gregorian date in the
Gregorian calendar. The Gregorian calendar was first introduced on Sep. 14, 1752, and
was adopted at various times in various places.
unsigned long
julian() const;
Returns the value of the julian day number..
void
julian(unsigned long j);
Changes the value of the julian day number to j.
RWBoolean
leap() const;
Returns TRUE if the year of this RWDate is a leap year.
RWDate
max(const RWDate& t) const;
Returns the later date of self or t.
RWDate
min(const RWDate& t) const;
Returns the earlier date of self or t.
unsigned
month() const;
Returns the month (1-12) for this date.
RWCString
monthName(const RWLocale& = RWLocale::global()) const;
Returns the name of the month for this date, according to the optional RWLocale
argument.
RWDate
next(unsigned dayNum) const;
Returns the date of the next numbered day of the week, where Monday = 1, ..., Sunday =
7. The variable dayNum must be between 1 and 7, inclusive.
RWDate