2004-07-22 19:48:50 -04:00
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! :folding=indent:collapseFolds=0:
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2004-07-16 02:26:21 -04:00
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! $Id$
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!
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! Copyright (C) 2004 Slava Pestov.
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions are met:
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!
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! 1. Redistributions of source code must retain the above copyright notice,
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! this list of conditions and the following disclaimer.
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!
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! 2. Redistributions in binary form must reproduce the above copyright notice,
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! this list of conditions and the following disclaimer in the documentation
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! and/or other materials provided with the distribution.
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!
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! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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IN: httpd-responder
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USE: combinators
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USE: lists
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USE: logging
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USE: namespaces
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USE: stdio
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USE: stack
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USE: streams
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USE: strings
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USE: httpd
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: <responder> ( -- responder )
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2004-07-19 16:10:18 -04:00
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<namespace> [
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2004-07-16 02:26:21 -04:00
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[
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drop "GET method not implemented" httpd-error
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] "get" set
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[
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drop "POST method not implemented" httpd-error
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] "post" set
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] extend ;
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: serving-html ( -- )
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"200 Document follows" "text/html" response print ;
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: serving-text ( -- )
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"200 Document follows" "text/plain" response print ;
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: get-responder ( name -- responder )
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"httpd-responders" get [ get ] bind ;
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: responder-argument ( argument -- argument )
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dup f-or-"" [ drop "default-argument" get ] when ;
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: call-responder ( method argument responder -- )
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[ responder-argument swap get call ] bind ;
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: no-such-responder ( name -- )
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"404 no such responder: " swap cat2 httpd-error ;
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: bad-responder-query ( argument -- )
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"404 missing parameter" httpd-error ;
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: trim-/ ( url -- url )
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#! Trim a leading /, if there is one.
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dup "/" str-head? dup [ nip ] [ drop ] ifte ;
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: log-responder ( argument -- )
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"Calling responder " swap cat2 log ;
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: serve-responder ( argument method -- )
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swap
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trim-/
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dup "/" split1 dup [
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nip unswons dup get-responder dup [
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swap log-responder call-responder
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] [
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drop nip nip no-such-responder
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] ifte
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] [
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3drop bad-responder-query
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] ifte ;
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