factor/basis/sorting/human/human.factor

23 lines
742 B
Factor

! Copyright (C) 2008 Doug Coleman, Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: peg.ebnf math.parser kernel assocs sorting fry
math.order sequences ascii splitting.monotonic ;
IN: sorting.human
: find-numbers ( string -- seq )
[EBNF Result = ([0-9]+ => [[ string>number ]] | (!([0-9]) .)+)* EBNF] ;
: human<=> ( obj1 obj2 -- <=> ) [ find-numbers ] bi@ <=> ;
: human>=< ( obj1 obj2 -- >=< ) human<=> invert-comparison ; inline
: human-compare ( obj1 obj2 quot -- <=> ) bi@ human<=> ; inline
: human-sort ( seq -- seq' ) [ human<=> ] sort ;
: human-sort-keys ( seq -- sortedseq )
[ [ first ] human-compare ] sort ;
: human-sort-values ( seq -- sortedseq )
[ [ second ] human-compare ] sort ;