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emacs/lisp/url/url-cid.el
2007-07-25 04:18:23 +00:00

67 lines
2.1 KiB
EmacsLisp

;;; url-cid.el --- Content-ID URL loader
;; Copyright (C) 1998, 1999, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
;; Keywords: comm, data, processes
;; 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, 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Code:
(require 'url-vars)
(require 'url-parse)
(require 'mm-decode)
(defun url-cid-gnus (cid)
(let ((content-type nil)
(encoding nil)
(part nil)
(data nil))
(setq part (mm-get-content-id cid))
(if (not part)
(message "Unknown CID encountered: %s" cid)
(setq data (save-excursion
(set-buffer (mm-handle-buffer part))
(buffer-string))
content-type (mm-handle-type part)
encoding (symbol-name (mm-handle-encoding part)))
(if (= 0 (length content-type)) (setq content-type "text/plain"))
(if (= 0 (length encoding)) (setq encoding "8bit"))
(if (listp content-type)
(setq content-type (car content-type)))
(insert (format "Content-type: %d\r\n" (length data))
"Content-type: " content-type "\r\n"
"Content-transfer-encoding: " encoding "\r\n"
"\r\n"
(or data "")))))
;;;###autoload
(defun url-cid (url)
(cond
((fboundp 'mm-get-content-id)
;; Using Pterodactyl Gnus or later
(save-excursion
(set-buffer (generate-new-buffer " *url-cid*"))
(url-cid-gnus (url-filename url))))
(t
(message "Unable to handle CID URL: %s" url))))
;;; arch-tag: 23d9ab74-fad4-4dba-b1e7-292871e8bda5
;;; url-cid.el ends here