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clean up a combinator in id3 parser

db4
Doug Coleman 2009-04-06 18:10:49 -05:00
parent 2ef6043566
commit c91712bea0
1 changed files with 2 additions and 6 deletions
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8
extra/id3/id3.factor
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@ -163,17 +163,13 @@ TUPLE: id3v1-info title artist album year comment genre ;
} cond
] with-mapped-uchar-file ;
: (find-id3-frame) ( id3 name quot: ( obj -- obj' ) -- obj' )
[ swap frames>> at* ] dip
[ data>> ] prepose [ drop f ] if ; inline
PRIVATE>
: mp3>id3 ( path -- id3v2-info/f )
dup file-info size>> 0 <= [ drop f ] [ (mp3>id3) ] if ; inline
: find-id3-frame ( id3 name -- obj/f )
[ ] (find-id3-frame) ; inline
swap frames>> at* [ data>> ] when ; inline
: title ( id3 -- title/f ) "TIT2" find-id3-frame ; inline
@ -186,7 +182,7 @@ PRIVATE>
: comment ( id3 -- comment/f ) "COMM" find-id3-frame ; inline
: genre ( id3 -- genre/f )
"TCON" [ parse-genre ] (find-id3-frame) ; inline
"TCON" find-id3-frame parse-genre ; inline
: find-mp3s ( path -- seq )
[ >lower ".mp3" tail? ] find-all-files ; inline