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[bpt/emacs.git] / lisp / url / url-cid.el
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8c8b8430 1;;; url-cid.el --- Content-ID URL loader
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2
3;; Copyright (c) 1998 - 1999 Free Software Foundation, Inc.
4
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5;; Keywords: comm, data, processes
6
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7;; This file is part of GNU Emacs.
8
9;; GNU Emacs is free software; you can redistribute it and/or modify
10;; it under the terms of the GNU General Public License as published by
11;; the Free Software Foundation; either version 2, or (at your option)
12;; any later version.
13
14;; GNU Emacs is distributed in the hope that it will be useful,
15;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17;; GNU General Public License for more details.
18
19;; You should have received a copy of the GNU General Public License
20;; along with GNU Emacs; see the file COPYING. If not, write to the
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21;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22;; Boston, MA 02110-1301, USA.
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23
24;;; Code:
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25
26(require 'url-vars)
27(require 'url-parse)
28
29(require 'mm-decode)
30
31(defun url-cid-gnus (cid)
32 (let ((content-type nil)
33 (encoding nil)
34 (part nil)
35 (data nil))
36 (setq part (mm-get-content-id cid))
37 (if (not part)
38 (message "Unknown CID encountered: %s" cid)
39 (setq data (save-excursion
40 (set-buffer (mm-handle-buffer part))
41 (buffer-string))
42 content-type (mm-handle-type part)
43 encoding (symbol-name (mm-handle-encoding part)))
44 (if (= 0 (length content-type)) (setq content-type "text/plain"))
45 (if (= 0 (length encoding)) (setq encoding "8bit"))
46 (if (listp content-type)
47 (setq content-type (car content-type)))
48 (insert (format "Content-type: %d\r\n" (length data))
49 "Content-type: " content-type "\r\n"
50 "Content-transfer-encoding: " encoding "\r\n"
51 "\r\n"
52 (or data "")))))
53
54;;;###autoload
55(defun url-cid (url)
56 (cond
57 ((fboundp 'mm-get-content-id)
58 ;; Using Pterodactyl Gnus or later
59 (save-excursion
60 (set-buffer (generate-new-buffer " *url-cid*"))
61 (url-cid-gnus (url-filename url))))
62 (t
63 (message "Unable to handle CID URL: %s" url))))
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64
65;;; arch-tag: 23d9ab74-fad4-4dba-b1e7-292871e8bda5
00eef4de 66;;; url-cid.el ends here