Add 2012 to FSF copyright years for Emacs files (do not merge to trunk)
[bpt/emacs.git] / lisp / url / url-misc.el
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8c8b8430 1;;; url-misc.el --- Misc Uniform Resource Locator retrieval code
00eef4de 2
71ddfde5 3;; Copyright (C) 1996, 1997, 1998, 1999, 2002, 2004,
49f70d46 4;; 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
00eef4de 5
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6;; Keywords: comm, data, processes
7
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8;; This file is part of GNU Emacs.
9
4936186e 10;; GNU Emacs is free software: you can redistribute it and/or modify
00eef4de 11;; it under the terms of the GNU General Public License as published by
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12;; the Free Software Foundation, either version 3 of the License, or
13;; (at your option) any later version.
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14
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.
19
20;; You should have received a copy of the GNU General Public License
4936186e 21;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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22
23;;; Code:
8c8b8430 24
5d1f2b4f 25(eval-when-compile (require 'cl))
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26(require 'url-vars)
27(require 'url-parse)
28(autoload 'Info-goto-node "info" "" t)
29(autoload 'man "man" nil t)
30
31;;;###autoload
32(defun url-man (url)
33 "Fetch a Unix manual page URL."
34 (man (url-filename url))
35 nil)
36
37;;;###autoload
38(defun url-info (url)
39 "Fetch a GNU Info URL."
40 ;; Fetch an info node
41 (let* ((fname (url-filename url))
42 (node (url-unhex-string (or (url-target url) "Top"))))
43 (if (and fname node)
44 (Info-goto-node (concat "(" fname ")" node))
45 (error "Malformed url: %s" (url-recreate-url url)))
46 nil))
47
48(defun url-do-terminal-emulator (type server port user)
49 (terminal-emulator
50 (generate-new-buffer (format "%s%s" (if user (concat user "@") "") server))
51 (case type
52 (rlogin "rlogin")
53 (telnet "telnet")
54 (tn3270 "tn3270")
55 (otherwise
56 (error "Unknown terminal emulator required: %s" type)))
57 (case type
58 (rlogin
59 (if user
60 (list server "-l" user)
61 (list server)))
62 (telnet
63 (if user (message "Please log in as user: %s" user))
64 (if port
65 (list server port)
66 (list server)))
67 (tn3270
68 (if user (message "Please log in as user: %s" user))
69 (list server)))))
70
71;;;###autoload
72(defun url-generic-emulator-loader (url)
73 (let* ((type (intern (downcase (url-type url))))
74 (server (url-host url))
75 (name (url-user url))
21c494d8 76 (port (number-to-string (url-port url))))
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77 (url-do-terminal-emulator type server port name))
78 nil)
79
80;;;###autoload
81(defalias 'url-rlogin 'url-generic-emulator-loader)
82;;;###autoload
83(defalias 'url-telnet 'url-generic-emulator-loader)
84;;;###autoload
85(defalias 'url-tn3270 'url-generic-emulator-loader)
86
87;; RFC 2397
88;;;###autoload
89(defun url-data (url)
90 "Fetch a data URL (RFC 2397)."
91 (let ((mediatype nil)
92 ;; The mediatype may need to be hex-encoded too -- see the RFC.
93 (desc (url-unhex-string (url-filename url)))
94 (encoding "8bit")
95 (data nil))
96 (save-excursion
97 (if (not (string-match "\\([^,]*\\)?," desc))
98 (error "Malformed data URL: %s" desc)
99 (setq mediatype (match-string 1 desc))
100 (if (and mediatype (string-match ";base64\\'" mediatype))
101 (setq mediatype (substring mediatype 0 (match-beginning 0))
102 encoding "base64"))
103 (if (or (null mediatype)
104 (eq ?\; (aref mediatype 0)))
105 (setq mediatype (concat "text/plain" mediatype)))
106 (setq data (url-unhex-string (substring desc (match-end 0)))))
107 (set-buffer (generate-new-buffer " *url-data*"))
108 (mm-disable-multibyte)
109 (insert (format "Content-Length: %d\n" (length data))
110 "Content-Type: " mediatype "\n"
111 "Content-Encoding: " encoding "\n"
112 "\n")
113 (if data (insert data))
114 (current-buffer))))
115
116(provide 'url-misc)
e5566bd5 117
cbee283d 118;; arch-tag: 8c544e1b-d8bc-40a6-b319-f1f37fef65a0
00eef4de 119;;; url-misc.el ends here