python.el: Fix electric colon behavior
[emacs.git] / lisp / url / url-misc.el
blob31c37d0cd457d44fd0c9e575239e465dca0023fb
1 ;;; url-misc.el --- Misc Uniform Resource Locator retrieval code
3 ;; Copyright (C) 1996-1999, 2002, 2004-2014 Free Software Foundation,
4 ;; Inc.
6 ;; Keywords: comm, data, processes
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software: you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation, either version 3 of the License, or
13 ;; (at your option) any later version.
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
23 ;;; Code:
25 (require 'url-vars)
26 (require 'url-parse)
27 (autoload 'Info-goto-node "info" "" t)
28 (autoload 'man "man" nil t)
30 ;;;###autoload
31 (defun url-man (url)
32 "Fetch a Unix manual page URL."
33 (man (url-filename url))
34 nil)
36 ;;;###autoload
37 (defun url-info (url)
38 "Fetch a GNU Info URL."
39 ;; Fetch an info node
40 (let* ((fname (url-filename url))
41 (node (url-unhex-string (or (url-target url) "Top"))))
42 (if (and fname node)
43 (Info-goto-node (concat "(" fname ")" node))
44 (error "Malformed url: %s" (url-recreate-url url)))
45 nil))
47 (defun url-do-terminal-emulator (type server port user)
48 (switch-to-buffer
49 (apply
50 'make-term
51 (format "%s%s" (if user (concat user "@") "") server)
52 (cond ((eq type 'rlogin) "rlogin")
53 ((eq type 'telnet) "telnet")
54 ((eq type 'tn3270) "tn3270")
55 (t (error "Unknown terminal emulator required: %s" type)))
56 nil
57 (cond ((eq type 'rlogin)
58 (if user (list server "-l" user) (list server)))
59 ((eq type 'telnet)
60 (if port (list server port) (list server)))
61 ((eq type 'tn3270)
62 (list server))))))
64 ;;;###autoload
65 (defun url-generic-emulator-loader (url)
66 (let* ((type (intern (downcase (url-type url))))
67 (server (url-host url))
68 (name (url-user url))
69 (port (number-to-string (url-port url))))
70 (url-do-terminal-emulator type server port name))
71 nil)
73 ;;;###autoload
74 (defalias 'url-rlogin 'url-generic-emulator-loader)
75 ;;;###autoload
76 (defalias 'url-telnet 'url-generic-emulator-loader)
77 ;;;###autoload
78 (defalias 'url-tn3270 'url-generic-emulator-loader)
80 ;; RFC 2397
81 ;;;###autoload
82 (defun url-data (url)
83 "Fetch a data URL (RFC 2397)."
84 (let ((mediatype nil)
85 ;; The mediatype may need to be hex-encoded too -- see the RFC.
86 (desc (url-unhex-string (url-filename url)))
87 (encoding "8bit")
88 (data nil))
89 (save-excursion
90 (if (not (string-match "\\([^,]*\\)?," desc))
91 (error "Malformed data URL: %s" desc)
92 (setq mediatype (match-string 1 desc)
93 data (url-unhex-string (substring desc (match-end 0))))
94 (if (and mediatype (string-match ";base64\\'" mediatype))
95 (setq mediatype (substring mediatype 0 (match-beginning 0))
96 encoding "base64"))
97 (if (or (null mediatype)
98 (eq ?\; (aref mediatype 0)))
99 (setq mediatype (concat "text/plain" mediatype))))
100 (set-buffer (generate-new-buffer " *url-data*"))
101 (mm-disable-multibyte)
102 (insert (format "Content-Length: %d\n" (length data))
103 "Content-Type: " mediatype "\n"
104 "Content-Transfer-Encoding: " encoding "\n"
105 "\n")
106 (if data (insert data))
107 (current-buffer))))
109 (provide 'url-misc)
111 ;;; url-misc.el ends here