! Copyright (C) 2008 John Benediktsson
! See http://factorcode.org/license.txt for BSD license
-USING: byte-arrays checksums checksums.md5 checksums.sha
-kernel math math.parser math.ranges random unicode.case
-sequences strings system io.binary ;
-
-IN: uuid
+USING: byte-arrays calendar checksums checksums.md5
+checksums.sha io.binary kernel math math.parser math.ranges
+random sequences strings system unicode.case ;
+IN: uuid
<PRIVATE
! 0x01b21dd213814000L is the number of 100-ns intervals
! between the UUID epoch 1582-10-15 00:00:00 and the
! Unix epoch 1970-01-01 00:00:00.
- micros 10 * HEX: 01b21dd213814000 +
- [ -48 shift HEX: 0fff bitand ]
- [ -32 shift HEX: ffff bitand ]
- [ HEX: ffffffff bitand ]
+ gmt timestamp>micros 10 * 0x01b21dd213814000 +
+ [ -48 shift 0x0fff bitand ]
+ [ -32 shift 0xffff bitand ]
+ [ 0xffffffff bitand ]
tri ;
: (hardware) ( -- address )
! Choose a random 48-bit number with eighth bit
! set to 1 (as recommended in RFC 4122)
- 48 random-bits HEX: 010000000000 bitor ;
+ 48 random-bits 0x010000000000 bitor ;
: (clock) ( -- clockseq )
! Choose a random 14-bit number
: (version) ( n version -- n' )
[
- HEX: c000 48 shift bitnot bitand
- HEX: 8000 48 shift bitor
- HEX: f000 64 shift bitnot bitand
+ 0xc000 48 shift bitnot bitand
+ 0x8000 48 shift bitor
+ 0xf000 64 shift bitnot bitand
] dip 76 shift bitor ;
: uuid>string ( n -- string )
[ CHAR: - 8 ] dip insert-nth ;
: string>uuid ( string -- n )
- [ CHAR: - = not ] filter 16 base> ;
+ [ CHAR: - = not ] filter hex> ;
PRIVATE>