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gopher: simplify.

db4
John Benediktsson 2014-12-20 12:27:51 -08:00
parent c45e4e1c68
commit 9858753c43
1 changed files with 18 additions and 30 deletions
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48
extra/gopher/gopher.factor
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@ -51,7 +51,7 @@ PRIVATE>
ERROR: not-a-gopher-url url ;
: gopher* ( url -- item-type byte-array )
: gopher ( url -- item-type byte-array )
dup url? [ >url ] unless
dup protocol>> "gopher" = [ not-a-gopher-url ] unless {
[ host>> ]
@ -80,6 +80,16 @@ M: gopher-link >url
} cleave "gopher://%s:%s/%s%s" sprintf
] if >url ;
: gopher-link. ( gopher-link -- )
dup type>> CHAR: i = [
name>> print
] [
[ name>> ] keep [
presented ,,
COLOR: blue foreground ,,
] H{ } make format nl
] if ;
: gopher-text ( object -- lines )
utf8 decode string-lines { "." } split1 drop ;
@ -91,33 +101,11 @@ M: gopher-link >url
PRIVATE>
: gopher ( url -- object )
gopher* swap {
{ A_TEXT [ gopher-text ] }
{ A_MENU [ gopher-menu ] }
{ A_INDEX [ gopher-menu ] }
{ A_GIF [ gopher-gif ] }
[ drop ]
} case ;
: gopher. ( url -- )
gopher {
{ [ dup byte-array? ] [ . ] }
{ [ dup image? ] [ image. ] }
[
[
dup gopher-link? [
dup type>> CHAR: i = [
name>> print
] [
[ name>> ] keep [
presented ,,
COLOR: blue foreground ,,
] H{ } make format nl
] if
] [
print
] if
] each
]
} cond ;
gopher swap {
{ A_TEXT [ gopher-text [ print ] each ] }
{ A_MENU [ gopher-menu [ gopher-link. ] each ] }
{ A_INDEX [ gopher-menu [ gopher-link. ] each ] }
{ A_GIF [ gopher-gif image. ] }
[ drop . ]
} case ;