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add more calendar utility words

db4
Doug Coleman 2009-11-11 17:19:14 -06:00
parent a6f0fcd5b2
commit e3dc3ae5dd
1 changed files with 62 additions and 0 deletions
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basis/calendar/calendar.factor
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@ -157,6 +157,18 @@ M: timestamp easter ( timestamp -- timestamp )
: microseconds ( x -- duration ) 1000000 / seconds ;
: nanoseconds ( x -- duration ) 1000000000 / seconds ;
GENERIC: year ( obj -- n )
M: integer year ;
M: timestamp year year>> ;
GENERIC: month ( obj -- n )
M: integer month ;
M: timestamp month month>> ;
GENERIC: day ( obj -- n )
M: integer day ;
M: timestamp day day>> ;
GENERIC: leap-year? ( obj -- ? )
M: integer leap-year? ( year -- ? )
@ -420,8 +432,50 @@ M: timestamp days-in-year ( timestamp -- n ) year>> days-in-year ;
dup timestamp [ month>> ] bi@ = [ 1 weeks time+ ] unless
n 1 - [ weeks time+ ] unless-zero ;
: last-day-this-month ( timestamp day -- new-timestamp )
[ 1 months time+ 1 ] dip nth-day-this-month 1 weeks time- ;
PRIVATE>
GENERIC: january ( obj -- timestamp )
GENERIC: february ( obj -- timestamp )
GENERIC: march ( obj -- timestamp )
GENERIC: april ( obj -- timestamp )
GENERIC: may ( obj -- timestamp )
GENERIC: june ( obj -- timestamp )
GENERIC: july ( obj -- timestamp )
GENERIC: august ( obj -- timestamp )
GENERIC: september ( obj -- timestamp )
GENERIC: october ( obj -- timestamp )
GENERIC: november ( obj -- timestamp )
GENERIC: december ( obj -- timestamp )
M: integer january 1 1 <date> ;
M: integer february 2 1 <date> ;
M: integer march 3 1 <date> ;
M: integer april 4 1 <date> ;
M: integer may 5 1 <date> ;
M: integer june 6 1 <date> ;
M: integer july 7 1 <date> ;
M: integer august 8 1 <date> ;
M: integer september 9 1 <date> ;
M: integer october 10 1 <date> ;
M: integer november 11 1 <date> ;
M: integer december 12 1 <date> ;
M: timestamp january clone 1 >>month ;
M: timestamp february clone 2 >>month ;
M: timestamp march clone 3 >>month ;
M: timestamp april clone 4 >>month ;
M: timestamp may clone 5 >>month ;
M: timestamp june clone 6 >>month ;
M: timestamp july clone 7 >>month ;
M: timestamp august clone 8 >>month ;
M: timestamp september clone 9 >>month ;
M: timestamp october clone 10 >>month ;
M: timestamp november clone 11 >>month ;
M: timestamp december clone 12 >>month ;
: sunday ( timestamp -- new-timestamp ) 0 day-this-week ;
: monday ( timestamp -- new-timestamp ) 1 day-this-week ;
: tuesday ( timestamp -- new-timestamp ) 2 day-this-week ;
@ -438,6 +492,14 @@ PRIVATE>
: friday-of-month ( timestamp n -- new-timestamp ) 5 nth-day-this-month ;
: saturday-of-month ( timestamp n -- new-timestamp ) 6 nth-day-this-month ;
: last-sunday-of-month ( timestamp -- new-timestamp ) 0 last-day-this-month ;
: last-monday-of-month ( timestamp -- new-timestamp ) 1 last-day-this-month ;
: last-tuesday-of-month ( timestamp -- new-timestamp ) 2 last-day-this-month ;
: last-wednesday-of-month ( timestamp -- new-timestamp ) 3 last-day-this-month ;
: last-thursday-of-month ( timestamp -- new-timestamp ) 4 last-day-this-month ;
: last-friday-of-month ( timestamp -- new-timestamp ) 5 last-day-this-month ;
: last-saturday-of-month ( timestamp -- new-timestamp ) 6 last-day-this-month ;
: beginning-of-week ( timestamp -- new-timestamp )
midnight sunday ;