: named-unit-test ( name output input -- )
unit-test drop ; inline
-! tests nicked from the wikipedia csv article
-! http://en.wikipedia.org/wiki/Comma-separated_values
-
"Fields are separated by commas"
[ { { "1997" "Ford" "E350" } } ]
[ "1997,Ford,E350" <string-reader> csv ] named-unit-test
{ { "writing,some,csv,tests" } } dup "csv-test2-"
unique-file utf8 [ csv>file ] [ file>csv ] 2bi =
] unit-test
+
+[ { { "hello" "" "" "" "goodbye" "" } } ] [ "hello,,\"\",,goodbye," <string-reader> csv ] unit-test
: (row) ( -- sep )
field ,
- dup delimiter get = [ drop (row) ] when ;
+ dup delimiter> = [ drop (row) ] when ;
: row ( -- eof? array[string] )
[ (row) ] { } make ;
: (csv) ( -- )
- row harvest [ , ] unless-empty [ (csv) ] when ;
+ row
+ dup [ empty? ] all? [ drop ] [ , ] if
+ [ (csv) ] when ;
PRIVATE>
[ row nip ] with-input-stream ;
: csv ( stream -- rows )
- [ [ (csv) ] { } make ] with-input-stream ;
+ [ [ (csv) ] { } make ] with-input-stream
+ dup peek { "" } = [ but-last ] when ;
: file>csv ( path encoding -- csv )
<file-reader> csv ;