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strings.tables: faster format-table.

db4
John Benediktsson 2012-07-13 18:42:34 -07:00
parent 646e9db251
commit bdefd57819
1 changed files with 7 additions and 13 deletions
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20
basis/strings/tables/tables.factor
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@ -1,28 +1,22 @@
! Copyright (C) 2009, 2010 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel sequences fry math.order splitting ;
USING: kernel sequences fry math.order math.ranges splitting ;
IN: strings.tables
<PRIVATE
: map-last ( seq quot -- seq )
[ dup length iota <reversed> ] dip '[ 0 = @ ] 2map ; inline
: max-length ( seq -- n )
[ length ] [ max ] map-reduce ;
[ length ] [ max ] map-reduce ; inline
: format-row ( seq -- seq )
dup max-length
'[ _ "" pad-tail ] map ;
dup max-length '[ _ "" pad-tail ] map! ;
: format-column ( seq ? -- seq )
[
dup max-length
'[ _ CHAR: \s pad-tail ] map
] unless ;
: format-column ( seq -- seq )
dup max-length '[ _ CHAR: \s pad-tail ] map! ;
PRIVATE>
: format-table ( table -- seq )
[ [ string-lines ] map format-row flip ] map concat
flip [ format-column ] map-last flip [ " " join ] map ;
flip [ but-last-slice [ format-column ] map! drop ] keep
flip [ " " join ] map! ;