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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
8c8b8430
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2;; Keywords: comm, data, processes
3
4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
5;;; Copyright (c) 1998 - 1999 Free Software Foundation, Inc.
6;;;
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
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16;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17;;; GNU General Public License for more details.
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21;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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23;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
24
25(require 'url-vars)
26(require 'url-parse)
27
28(require 'mm-decode)
29
30(defun url-cid-gnus (cid)
31 (let ((content-type nil)
32 (encoding nil)
33 (part nil)
34 (data nil))
35 (setq part (mm-get-content-id cid))
36 (if (not part)
37 (message "Unknown CID encountered: %s" cid)
38 (setq data (save-excursion
39 (set-buffer (mm-handle-buffer part))
40 (buffer-string))
41 content-type (mm-handle-type part)
42 encoding (symbol-name (mm-handle-encoding part)))
43 (if (= 0 (length content-type)) (setq content-type "text/plain"))
44 (if (= 0 (length encoding)) (setq encoding "8bit"))
45 (if (listp content-type)
46 (setq content-type (car content-type)))
47 (insert (format "Content-type: %d\r\n" (length data))
48 "Content-type: " content-type "\r\n"
49 "Content-transfer-encoding: " encoding "\r\n"
50 "\r\n"
51 (or data "")))))
52
53;;;###autoload
54(defun url-cid (url)
55 (cond
56 ((fboundp 'mm-get-content-id)
57 ;; Using Pterodactyl Gnus or later
58 (save-excursion
59 (set-buffer (generate-new-buffer " *url-cid*"))
60 (url-cid-gnus (url-filename url))))
61 (t
62 (message "Unable to handle CID URL: %s" url))))
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63
64;;; arch-tag: 23d9ab74-fad4-4dba-b1e7-292871e8bda5