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splitting: add split*-when-slice and change to not use make.

db4
John Benediktsson 2013-03-27 16:19:56 -07:00
parent 9341a660a2
commit f285d4db3f
1 changed files with 16 additions and 13 deletions
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29
core/splitting/splitting.factor
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@ -1,6 +1,6 @@
! Copyright (C) 2005, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays kernel make math sequences strings sbufs ;
USING: arrays kernel math sequences strings sbufs ;
IN: splitting
<PRIVATE
@ -97,22 +97,25 @@ PRIVATE>
<PRIVATE
: (split*) ( n seq quot: ( ... elt -- ... ? ) -- )
[ find-from ]
[ [ [ 1 + ] 3dip [ 3dup swapd subseq , ] dip [ drop ] 2dip (split*) ] 3curry ]
[ drop [ [ drop ] 2dip 2dup length < [ swap [ tail ] unless-zero , ] [ 2drop ] if ] 2curry ]
3tri if ; inline recursive
: split*, ( ... seq quot: ( ... elt -- ... ? ) -- ... )
[ 0 ] 2dip (split*) ; inline
: (split*) ( n seq quot: ( ... elt -- ... ? ) quot -- )
pick [
swap curry [ 1 + ] prepose [ keep 1 + swap ] curry
[ [ find-from drop dup ] 2curry [ dup ] prepose ] dip
produce nip
] keep rot over dupd length < [
[ tail ] unless-zero suffix
] [ 2drop ] if ; inline
PRIVATE>
: split* ( seq separators -- pieces )
[ [ member? ] curry split*, ] { } make ; inline
: split*-when ( ... seq quot: ( ... elt -- ... ? ) -- ... pieces )
[ split*, ] { } make ; inline
[ 0 ] 2dip [ subseq ] (split*) ; inline
: split*-when-slice ( ... seq quot: ( ... elt -- ... ? ) -- ... pieces )
[ 0 ] 2dip [ <slice> ] (split*) ; inline
: split* ( seq separators -- pieces )
[ member? ] curry split*-when ; inline
GENERIC: string-lines ( str -- seq )