factor/basis/http/server/dispatchers/dispatchers.factor

51 lines
1.5 KiB
Factor

! Copyright (C) 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel namespaces sequences assocs accessors splitting
unicode.case urls http http.server http.server.responses ;
IN: http.server.dispatchers
TUPLE: dispatcher default responders ;
: new-dispatcher ( class -- dispatcher )
new
<404> <trivial-responder> >>default
H{ } clone >>responders ; inline
: <dispatcher> ( -- dispatcher )
dispatcher new-dispatcher ;
: find-responder ( path dispatcher -- path responder )
over empty? [
"" over responders>> at*
[ nip ] [ drop default>> ] if
] [
over first over responders>> at*
[ [ drop rest-slice ] dip ] [ drop default>> ] if
] if ;
M: dispatcher call-responder* ( path dispatcher -- response )
find-responder call-responder ;
TUPLE: vhost-dispatcher default responders ;
: <vhost-dispatcher> ( -- dispatcher )
vhost-dispatcher new-dispatcher ;
: canonical-host ( host -- host' )
>lower "www." ?head drop "." ?tail drop ;
: find-vhost ( dispatcher -- responder )
url get host>> canonical-host over responders>> at*
[ nip ] [ drop default>> ] if ;
M: vhost-dispatcher call-responder* ( path dispatcher -- response )
find-vhost call-responder ;
: add-responder ( dispatcher responder path -- dispatcher )
pick responders>> set-at ;
: add-main-responder ( dispatcher responder path -- dispatcher )
[ add-responder drop ]
[ drop "" add-responder drop ]
[ 2drop ] 3tri ;