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mirror of https://git.savannah.gnu.org/git/emacs.git synced 2024-12-12 09:28:24 +00:00
emacs/lisp/url/url-proxy.el
Glenn Morris f440830d60 Silence some compiler warnings
* calculator.el (electric, ehelp): No need to load when compiling.
(Electric-command-loop, electric-describe-mode): Declare.

* doc-view.el (doc-view-current-converter-processes): Move before use.

* files.el (dired-unmark):
* progmodes/gud.el (gdb-input): Update declarations.

* emacs-lisp/easy-mmode.el (define-globalized-minor-mode):
Move MODE-set-explicitly definition before use.

* erc/erc-log.el (erc-network-name): Declare.

* erc/erc-notify.el (pcomplete--here): Declare.
(pcomplete/erc-mode/NOTIFY): Require pcomplete.

* international/mule-diag.el (mule-diag):
Don't use obsolete window-system-version.

* mail/feedmail.el (smtpmail): No need to load when compiling.
(smtpmail-via-smtp, smtpmail-smtp-server): Declare.

* mail/mail-utils.el (rfc822): No need to load when compiling.
(rfc822-addresses): Autoload it.
(mail-strip-quoted-names): Trivial simplification.

* mail/rmail.el (rmail-mime-message-p, rmail-mime-toggle-raw): Declare.
(rmail-retry-failure): Don't assume that rmail-mime-feature == rmailmm.

* net/snmp-mode.el (tempo): Don't duplicate requires.

* progmodes/prolog.el (info): No need to load when compiling.
(comint): Require before shell requires it.
(Info-goto-node): Autoload it.
(Info-follow-nearest-node): Declare.
(prolog-help-info, prolog-goto-predicate-info): No need to require info.

* textmodes/artist.el (picture-mode-exit): Declare.

* textmodes/reftex-parse.el (reftex-parse-from-file):
Trivial rewrite so the compiler can parse it better.

* url/url-dav.el (url-http): Require it.
(url-http-head-file-attributes): Don't autoload it.

* url/url-proxy.el (url-http): Autoload it.
2013-05-21 00:25:14 -07:00

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2.5 KiB
EmacsLisp

;;; url-proxy.el --- Proxy server support
;; Copyright (C) 1999, 2004-2013 Free Software Foundation, Inc.
;; Keywords: comm, data, processes, hypermedia
;; This file is part of GNU Emacs.
;; GNU Emacs 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 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(require 'url-parse)
(autoload 'url-warn "url")
(defun url-default-find-proxy-for-url (urlobj host)
(cond
((or (and (assoc "no_proxy" url-proxy-services)
(string-match
(cdr
(assoc "no_proxy" url-proxy-services))
host))
(equal "www" (url-type urlobj)))
"DIRECT")
((cdr (assoc (url-type urlobj) url-proxy-services))
(concat "PROXY " (cdr (assoc (url-type urlobj) url-proxy-services))))
;;
;; Should check for socks
;;
(t
"DIRECT")))
(defvar url-proxy-locator 'url-default-find-proxy-for-url)
(defun url-find-proxy-for-url (url host)
(let ((proxies (split-string (funcall url-proxy-locator url host) " *; *"))
(proxy nil)
(case-fold-search t))
;; Not sure how I should handle gracefully degrading from one proxy to
;; another, so for now just deal with the first one
;; (while proxies
(if (listp proxies)
(setq proxy (car proxies))
(setq proxy proxies))
(cond
((string-match "^direct" proxy) nil)
((string-match "^proxy +" proxy)
(concat "http://" (substring proxy (match-end 0)) "/"))
((string-match "^socks +" proxy)
(concat "socks://" (substring proxy (match-end 0))))
(t
(url-warn 'url (format "Unknown proxy directive: %s" proxy) 'critical)
nil))))
(autoload 'url-http "url-http")
(defun url-proxy (url callback &optional cbargs)
;; Retrieve URL from a proxy.
;; Expects `url-using-proxy' to be bound to the specific proxy to use."
(setq url-using-proxy (url-generic-parse-url url-using-proxy))
(cond
((string= (url-type url-using-proxy) "http")
(url-http url callback cbargs))
(t
(error "Don't know how to use proxy `%s'" url-using-proxy))))
(provide 'url-proxy)
;;; url-proxy.el ends here