racket/collects/help/servlets/doc-anchor.ss

18 lines
746 B
Scheme

(module doc-anchor mzscheme
(require "private/read-doc.ss"
(lib "servlet.ss" "web-server"))
(provide interface-version timeout start)
(define interface-version 'v1)
(define timeout +inf.0)
(define (start initial-request)
(with-errors-to-browser
send/finish
(lambda ()
(let* ([bindings (request-bindings initial-request)]
[offset (with-handlers ((void (lambda _ #f)))
(string->number
(extract-binding/single 'offset bindings)))])
(read-doc (extract-binding/single 'file bindings)
(extract-binding/single 'caption bindings)
(extract-binding/single 'name bindings)
offset))))))