1 ;;; emh.el --- MIME extender for mh-e
3 ;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; OKABE Yasuo <okabe@kudpc.kyoto-u.ac.jp>
7 ;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
9 ;; Renamed: 1993/11/27 from mh-e-mime.el
10 ;; Renamed: 1997/02/21 from tm-mh-e.el
11 ;; Version: $Revision: 0.0 $
12 ;; Keywords: MH, MIME, multimedia, encoded-word, multilingual, mail
14 ;; This file is part of emh.
16 ;; This program is free software; you can redistribute it and/or
17 ;; modify it under the terms of the GNU General Public License as
18 ;; published by the Free Software Foundation; either version 2, or (at
19 ;; your option) any later version.
21 ;; This program is distributed in the hope that it will be useful, but
22 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
23 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24 ;; General Public License for more details.
26 ;; You should have received a copy of the GNU General Public License
27 ;; along with GNU Emacs; see the file COPYING. If not, write to the
28 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
29 ;; Boston, MA 02111-1307, USA.
43 "$Id: emh.el,v 0.0 1997-02-24 02:04:06 tmorioka Exp $")
45 (defconst emh-version (get-version-string emh-RCS-ID))
51 (defvar emh-automatic-mime-preview t
52 "*If non-nil, show MIME processed message.")
54 (defvar emh-decode-encoded-word t
55 "*If non-nil, decode encoded-word when it is not MIME preview mode.")
61 (defun mh-display-msg (msg-num folder &optional show-buffer mode)
63 (setq mode emh-automatic-mime-preview)
65 ;; Display message NUMBER of FOLDER.
66 ;; Sets the current buffer to the show buffer.
69 (setq show-buffer mh-show-buffer))
70 ;; Bind variables in folder buffer in case they are local
71 (let ((msg-filename (mh-msg-filename msg-num)))
72 (if (not (file-exists-p msg-filename))
73 (error "Message %d does not exist" msg-num))
74 (set-buffer show-buffer)
75 (cond ((not (equal msg-filename buffer-file-name))
76 ;; Buffer does not yet contain message.
77 (clear-visited-file-modtime)
79 (setq buffer-file-name nil) ; no locking during setup
80 (setq buffer-read-only nil)
83 (let* ((aname (concat "article-" folder))
84 (abuf (get-buffer aname))
89 (setq buffer-read-only nil)
92 (setq abuf (get-buffer-create aname))
96 (insert-file-contents msg-filename)
97 ;; (goto-char (point-min))
98 (while (re-search-forward "\r$" nil t)
102 (set-buffer-modified-p nil)
103 (setq buffer-read-only t)
104 (setq buffer-file-name msg-filename)
106 (mime-view-mode nil nil nil
107 aname (concat "show-" folder))
108 (goto-char (point-min))
110 (let ((clean-message-header mh-clean-message-header)
111 (invisible-headers mh-invisible-headers)
112 (visible-headers mh-visible-headers)
115 ;; modified by ARIURA <ariura@cc.tuat.ac.jp>
118 (mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear"
119 (if (stringp mhl-formfile)
120 (list "-form" mhl-formfile))
122 (insert-file-contents msg-filename))
124 (goto-char (point-min))
125 (cond (clean-message-header
126 (mh-clean-msg-header (point-min)
129 (goto-char (point-min)))
131 (mh-start-of-uncleaned-message)))
132 (if emh-decode-encoded-word
133 (eword-decode-message-header)
135 (set-buffer-modified-p nil)
136 (setq buffer-read-only t)
137 (setq buffer-file-name msg-filename)
140 (or (eq buffer-undo-list t) ;don't save undo info for prev msgs
141 (setq buffer-undo-list nil))
142 ;;; Added by itokon (02/19/96)
143 (setq buffer-file-name msg-filename)
146 (setq mode-line-buffer-identification
147 (list (format mh-show-buffer-mode-line-buffer-id
150 (setq mh-showing-with-headers nil)))))
152 (defun emh-view-message (&optional msg)
153 "MIME decode and play this message."
155 (if (or (null emh-automatic-mime-preview)
156 (null (get-buffer mh-show-buffer))
158 (set-buffer mh-show-buffer)
159 (not (eq major-mode 'mime-view-mode))
161 (let ((emh-automatic-mime-preview t))
162 (mh-invalidate-show-buffer)
165 (pop-to-buffer mh-show-buffer)
168 (defun emh-toggle-decoding-mode (arg)
169 "Toggle MIME processing mode.
170 With arg, turn MIME processing on if arg is positive."
172 (setq emh-automatic-mime-preview
174 (not emh-automatic-mime-preview)
177 (set-buffer mh-show-buffer)
178 (if (null emh-automatic-mime-preview)
179 (if (and mime::preview/article-buffer
180 (get-buffer mime::preview/article-buffer))
181 (kill-buffer mime::preview/article-buffer)
183 (mh-invalidate-show-buffer)
184 (mh-show (mh-get-msg-num t))
187 (defun emh-show (&optional message)
189 (mh-invalidate-show-buffer)
193 (defun emh-header-display ()
195 (mh-invalidate-show-buffer)
196 (let ((mime-view-ignored-field-regexp "^:$")
197 emh-decode-encoded-word)
201 (defun emh-raw-display ()
203 (mh-invalidate-show-buffer)
204 (let (emh-automatic-mime-preview
205 emh-decode-encoded-word)
209 (defun emh-burst-multipart/digest ()
210 "Burst apart the current message, which should be a multipart/digest.
211 The message is replaced by its table of contents and the letters from the
212 digest are inserted into the folder after that message."
214 (let ((digest (mh-get-msg-num t)))
215 (mh-process-or-undo-commands mh-current-folder)
216 (mh-set-folder-modified-p t) ; lock folder while bursting
217 (message "Bursting digest...")
218 (mh-exec-cmd "mhn" "-store" mh-current-folder digest)
219 (mh-scan-folder mh-current-folder (format "%d-last" mh-first-msg-num))
220 (message "Bursting digest...done")
227 (fset 'emh-decode-charset-buffer
228 (symbol-function 'mime-charset/decode-buffer))
230 (set-alist 'mime-text-decoder-alist
232 (function emh-decode-charset-buffer))
234 (defun emh-content-header-filter ()
235 (goto-char (point-min))
236 (mime-preview/cut-header)
237 (emh-decode-charset-buffer default-mime-charset)
238 (eword-decode-message-header)
241 (set-alist 'mime-view-content-header-filter-alist
243 (function emh-content-header-filter))
245 (defun emh-quitting-method ()
246 (let ((win (get-buffer-window
247 mime/output-buffer-name))
248 (buf (current-buffer))
254 (let ((name (buffer-name buf)))
257 (if (not emh-automatic-mime-preview)
258 (mh-invalidate-show-buffer)
260 (mh-show (mh-get-msg-num t))
263 (set-alist 'mime-view-quitting-method-alist
265 (function emh-quitting-method))
266 (set-alist 'mime-view-show-summary-method
268 (function emh-quitting-method))
270 (defun emh-following-method (buf)
273 (goto-char (point-max))
274 (setq mh-show-buffer buf)
275 (apply (function mh-send)
276 (std11-field-bodies '("From" "cc" "Subject") ""))
277 (setq mh-sent-from-folder buf)
278 (setq mh-sent-from-msg 1)
279 (let ((last (point)))
284 (set-alist 'mime-view-following-method-alist
286 (function emh-following-method))
289 ;;; @@ for mime-partial
296 (set-atype 'mime/content-decoding-condition
297 '((type . "message/partial")
298 (method . mime-article/grab-message/partials)
299 (major-mode . mh-show-mode)
301 . (and (or (string-match "^article-\\(.+\\)$" article-buffer)
302 (string-match "^show-\\(.+\\)$" article-buffer))
303 (substring article-buffer
304 (match-beginning 1) (match-end 1))
307 (set-alist 'mime-partial/preview-article-method-alist
311 (let ((emh-automatic-mime-preview t))
320 (define-key mh-folder-mode-map "v" (function emh-view-message))
321 (define-key mh-folder-mode-map "\et" (function emh-toggle-decoding-mode))
322 (define-key mh-folder-mode-map "." (function emh-show))
323 (define-key mh-folder-mode-map "," (function emh-header-display))
324 (define-key mh-folder-mode-map "\e," (function emh-raw-display))
325 (define-key mh-folder-mode-map "\C-c\C-b"
326 (function emh-burst-multipart/digest))
328 (defun emh-summary-before-quit ()
329 (let ((buf (get-buffer mh-show-buffer)))
331 (let ((the-buf (current-buffer)))
332 (switch-to-buffer buf)
333 (if (and mime::article/preview-buffer
334 (setq buf (get-buffer mime::article/preview-buffer))
337 (switch-to-buffer the-buf)
340 (switch-to-buffer the-buf)
344 (add-hook 'mh-before-quit-hook (function emh-summary-before-quit))
347 ;;; @@ for emh-comp.el
350 (autoload 'emh-edit-again "emh-comp"
351 "Clean-up a draft or a message previously sent and make it resendable." t)
352 (autoload 'emh-extract-rejected-mail "emh-comp"
353 "Extract a letter returned by the mail system and make it re-editable." t)
354 (autoload 'emh-forward "emh-comp"
355 "Forward a message or message sequence by MIME style." t)
361 (substitute-key-definition
362 'mh-edit-again 'emh-edit-again mh-folder-mode-map)
363 (substitute-key-definition
364 'mh-extract-rejected-mail 'emh-extract-rejected-mail
366 (substitute-key-definition
367 'mh-forward 'emh-forward mh-folder-mode-map)
375 'mh-letter-mode-hook)
395 (run-hooks 'emh-load-hook)