Another clean up

db4
Slava Pestov 2009-01-16 15:37:31 -06:00
parent 5f2fd87ce1
commit cc8e049c02
1 changed files with 10 additions and 8 deletions

View File

@ -9,11 +9,17 @@ TUPLE: history document elements index ;
: <history> ( document -- history ) : <history> ( document -- history )
V{ } clone 0 history boa ; V{ } clone 0 history boa ;
: history-add ( history -- input )
dup elements>> length 1+ >>index
[ document>> doc-string [ <input> ] [ empty? ] bi ] keep
'[ [ _ elements>> push ] keep ] unless ;
<PRIVATE <PRIVATE
: save-history ( history -- input ) : save-history ( history -- )
[ document>> doc-string [ <input> ] [ empty? ] bi ] keep [ document>> doc-string ] keep
'[ [ _ [ index>> ] [ elements>> ] bi set-nth ] keep ] unless ; '[ <input> _ [ index>> ] [ elements>> ] bi set-nth ]
unless-empty ;
: update-document ( history -- ) : update-document ( history -- )
[ [ index>> ] [ elements>> ] bi nth string>> ] [ [ index>> ] [ elements>> ] bi nth string>> ]
@ -27,7 +33,7 @@ TUPLE: history document elements index ;
: history-recall ( history i -- ) : history-recall ( history i -- )
[ [ elements>> empty? ] keep ] dip '[ [ [ elements>> empty? ] keep ] dip '[
_ _
[ save-history drop ] [ save-history ]
[ _ change-history-index ] [ _ change-history-index ]
[ update-document ] [ update-document ]
tri tri
@ -35,10 +41,6 @@ TUPLE: history document elements index ;
PRIVATE> PRIVATE>
: history-add ( history -- input )
dup elements>> length 1+ >>index
save-history ;
: history-recall-previous ( history -- ) : history-recall-previous ( history -- )
-1 history-recall ; -1 history-recall ;