|
|
;;;; www/main.scm: general WWW navigation aids.
|
|
|
|
|
|
(define-module (www main)
|
|
|
:use-module (www http)
|
|
|
:use-module (www url))
|
|
|
|
|
|
;;;; Copyright (C) 1997 Free Software Foundation, Inc.
|
|
|
;;;;
|
|
|
;;;; This program is free software; you can redistribute it and/or modify
|
|
|
;;;; it under the terms of the GNU General Public License as published by
|
|
|
;;;; the Free Software Foundation; either version 2, or (at your option)
|
|
|
;;;; any later version.
|
|
|
;;;;
|
|
|
;;;; This program is distributed in the hope that it will be useful,
|
|
|
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
;;;; GNU General Public License for more details.
|
|
|
;;;;
|
|
|
;;;; You should have received a copy of the GNU General Public License
|
|
|
;;;; along with this software; see the file COPYING. If not, write to
|
|
|
;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
|
|
;;;; Boston, MA 02111-1307 USA
|
|
|
;;;;
|
|
|
|
|
|
(define dispatch-table
|
|
|
(acons 'http http:get '()))
|
|
|
|
|
|
;;; (www:get URL)
|
|
|
;;; parse a URL into portions, open a connection, and retrieve
|
|
|
;;; selected document
|
|
|
|
|
|
(define-public (www:set-protocol-handler! proto handler)
|
|
|
(set! dispatch-table
|
|
|
(assq-set! dispatch-table proto handler)))
|
|
|
|
|
|
(define-public (www:get url-str)
|
|
|
(let ((url (url:parse url-str)))
|
|
|
;; get handler for this protocol
|
|
|
(case (url:scheme url)
|
|
|
((http) (let ((msg (http:get url)))
|
|
|
(http:message-body msg)))
|
|
|
(else
|
|
|
(let ((handle (assq-ref dispatch-table (url:scheme url))))
|
|
|
(if handle
|
|
|
(handle (url:host url)
|
|
|
(url:port url)
|
|
|
(url:path url))
|
|
|
(error "unknown URL scheme" (url:scheme url))))))))
|
|
|
|
