breezewiki/src/dispatcher-tree.rkt

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#lang racket/base
(require "../lib/syntax.rkt"
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(for-syntax racket/base)
racket/string
net/url
web-server/http
web-server/dispatchers/dispatch
(prefix-in host: web-server/dispatchers/dispatch-host)
(prefix-in pathprocedure: web-server/dispatchers/dispatch-pathprocedure)
(prefix-in sequencer: web-server/dispatchers/dispatch-sequencer)
(prefix-in lift: web-server/dispatchers/dispatch-lift)
(prefix-in filter: web-server/dispatchers/dispatch-filter)
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"config.rkt"
"../lib/url-utils.rkt")
(provide
; syntax to make the hashmap from names
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dispatcher-tree
; procedure to make the tree from the hashmap
make-dispatcher-tree)
; make a hashmap out of the provided names and call make-dispatcher-tree with it
(define-syntax (dispatcher-tree stx)
; the arguments, which are names of dispatcher variables
(define names (cdr (syntax->list stx)))
; map each name to syntax of a '(name . ,name)
(define alist (map (λ (xe) ; xe is the syntax of a name
; return instead syntax of a cons cell
(datum->syntax stx `(cons ',xe ,xe)))
names))
; make syntax to make the hash
(define ds (datum->syntax stx `(make-hasheq (list ,@alist))))
; don't forget that I'm returning *code* - return a call to the function
(datum->syntax stx `(make-dispatcher-tree ,ds)))
(define (make-dispatcher-tree ds)
(define subdomain-dispatcher (hash-ref ds 'subdomain-dispatcher))
(sequencer:make
subdomain-dispatcher
(pathprocedure:make "/" (hash-ref ds 'page-home))
(pathprocedure:make "/proxy" (hash-ref ds 'page-proxy))
(pathprocedure:make "/search" (hash-ref ds 'page-global-search))
(pathprocedure:make "/set-user-settings" (hash-ref ds 'page-set-user-settings))
(pathprocedure:make "/buddyfight/wiki/It_Doesn't_Work!!" (hash-ref ds 'page-it-works))
(filter:make (pregexp (format "^/~a/wiki/Category:.+$" px-wikiname)) (lift:make (hash-ref ds 'page-category)))
(filter:make (pregexp (format "^/~a/wiki/File:.+$" px-wikiname)) (lift:make (hash-ref ds 'page-file)))
(if (config-true? 'feature_offline::enabled)
(filter:make (pregexp (format "^/~a/wiki/.+$" px-wikiname)) (lift:make (hash-ref ds 'page-wiki-offline)))
(λ (_conn _req) (next-dispatcher)))
(filter:make (pregexp (format "^/~a/wiki/.+$" px-wikiname)) (lift:make (hash-ref ds 'page-wiki)))
(filter:make (pregexp (format "^/~a/search$" px-wikiname)) (lift:make (hash-ref ds 'page-search)))
(filter:make (pregexp (format "^/~a(/(wiki(/)?)?)?$" px-wikiname)) (lift:make (hash-ref ds 'redirect-wiki-home)))
(if (config-true? 'feature_offline::enabled)
(filter:make (pregexp (format "^/archive/~a/(styles|images)/.+$" px-wikiname)) (lift:make (hash-ref ds 'page-static-archive)))
(λ (_conn _req) (next-dispatcher)))
(hash-ref ds 'static-dispatcher)
(lift:make (hash-ref ds 'page-not-found))))