132 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Factor
		
	
	
! Copyright (C) 2008, 2010 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors arrays assocs classes combinators continuations
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definitions fry http http.server http.server.redirection
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http.server.remapping io.pathnames kernel make namespaces
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sequences splitting strings urls words xml.syntax ;
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IN: furnace.utilities
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: word>string ( word -- string )
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    [ vocabulary>> ] [ name>> ] bi ":" glue ;
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: words>strings ( seq -- seq' )
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    [ word>string ] map ;
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ERROR: no-such-word name vocab ;
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: string>word ( string -- word )
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    ":" split1 swap 2dup lookup-word dup
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    [ 2nip ] [ drop no-such-word ] if ;
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: strings>words ( seq -- seq' )
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    [ string>word ] map ;
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: nested-responders ( -- seq )
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    responder-nesting get values ;
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: each-responder ( quot: ( ... responder -- ... ) -- )
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   nested-responders swap each ; inline
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ERROR: no-such-responder responder ;
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: base-path ( string -- seq )
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    dup responder-nesting get
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    [ second class-of superclasses-of [ name>> = ] with any? ] with find nip
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    [ first ] [ no-such-responder ] ?if ;
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: resolve-base-path ( string -- string' )
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    "$" ?head [
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        [
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            "/" split1 [ base-path [ "/" % % ] each "/" % ] dip %
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        ] "" make
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    ] when ;
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: resolve-word-path ( word -- path/f )
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    where [ first parent-directory ] [ f ] if* ;
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: resolve-template-path ( pair -- path )
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    first2 [ resolve-word-path ] dip append-path ;
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GENERIC: modify-query ( query responder -- query' )
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M: object modify-query drop ;
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GENERIC: modify-redirect-query ( query responder -- query' )
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M: object modify-redirect-query drop ;
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GENERIC: adjust-url ( url -- url' )
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M: url adjust-url
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    clone
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        [ [ modify-query ] each-responder ] change-query
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        [ resolve-base-path ] change-path
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    relative-to-request ;
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M: string adjust-url ;
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GENERIC: adjust-redirect-url ( url -- url' )
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M: url adjust-redirect-url
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    adjust-url
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    [ [ modify-redirect-query ] each-responder ] change-query ;
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M: string adjust-redirect-url ;
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GENERIC: link-attr ( tag responder -- )
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M: object link-attr 2drop ;
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GENERIC: modify-form ( responder -- xml/f )
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M: object modify-form drop f ;
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: form-modifications ( -- xml )
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    [ [ modify-form [ , ] when* ] each-responder ] { } make ;
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: hidden-form-field ( value name -- xml )
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    over [
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        [XML <input type="hidden" value=<-> name=<->/> XML]
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    ] [ drop ] if ;
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CONSTANT: nested-forms-key "__n"
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: referrer ( -- referrer/f )
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    ! Typo is intentional, it's in the HTTP spec!
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    request get "referer" header
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    dup [ >url ensure-port [ remap-port ] change-port ] when ;
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: user-agent ( -- user-agent )
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    request get "user-agent" header "" or ;
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: same-host? ( url -- ? )
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    dup [
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        url get [
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            [ protocol>> ]
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            [ host>> ]
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            [ port>> remap-port ]
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            tri 3array
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        ] same?
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    ] when ;
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: cookie-client-state ( key request -- value/f )
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    swap get-cookie dup [ value>> ] when ;
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: post-client-state ( key request -- value/f )
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    request-params at ;
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: client-state ( key -- value/f )
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    request get dup method>> {
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        { "GET" [ cookie-client-state ] }
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        { "HEAD" [ cookie-client-state ] }
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        { "POST" [ post-client-state ] }
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    } case ;
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SYMBOL: exit-continuation
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: exit-with ( value -- * )
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    exit-continuation get continue-with ;
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: with-exit-continuation ( quot -- value )
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    '[ exit-continuation set @ ] callcc1 exit-continuation off ; inline
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