1 ;;; emh.el --- MIME extender for mh-e
3 ;; Copyright (C) 1995,1996,1997,1998 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 ;; Keywords: MH, MIME, multimedia, encoded-word, multilingual, mail
13 ;; This file is part of emh.
15 ;; This program is free software; you can redistribute it and/or
16 ;; modify it under the terms of the GNU General Public License as
17 ;; published by the Free Software Foundation; either version 2, or (at
18 ;; your option) any later version.
20 ;; This program is distributed in the hope that it will be useful, but
21 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
22 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 ;; General Public License for more details.
25 ;; You should have received a copy of the GNU General Public License
26 ;; along with GNU Emacs; see the file COPYING. If not, write to the
27 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
28 ;; Boston, MA 02111-1307, USA.
34 (or (get-unified-alist mime-acting-condition '((type . text)))
35 (error "Please install latest SEMI."))
36 (eval-when-compile (require 'mime-text))
42 (defconst emh-version "1.2.0")
49 "MIME Extension for mh-e"
53 (defcustom emh-automatic-mime-preview t
54 "*If non-nil, show MIME processed message."
58 (defcustom emh-decode-encoded-word t
59 "*If non-nil, decode encoded-word when it is not MIME preview mode."
67 (defun mh-display-msg (msg-num folder &optional show-buffer mode)
68 "Display message number MSG-NUM of FOLDER.
69 This function uses `mime-view-mode' if MODE is not nil. If MODE is
70 nil, `emh-automatic-mime-preview' is used as default value."
72 (setq mode emh-automatic-mime-preview)
74 ;; Display message NUMBER of FOLDER.
75 ;; Sets the current buffer to the show buffer.
78 (setq show-buffer mh-show-buffer))
79 ;; Bind variables in folder buffer in case they are local
80 (let ((msg-filename (mh-msg-filename msg-num)))
81 (if (not (file-exists-p msg-filename))
82 (error "Message %d does not exist" msg-num))
83 (set-buffer show-buffer)
84 (cond ((not (equal msg-filename buffer-file-name))
85 ;; Buffer does not yet contain message.
86 (clear-visited-file-modtime)
88 (setq buffer-file-name nil) ; no locking during setup
89 (setq buffer-read-only nil)
92 (let* ((aname (concat "article-" folder))
93 (abuf (get-buffer aname))
98 (setq buffer-read-only nil)
101 (setq abuf (get-buffer-create aname))
104 (let ((coding-system-for-read 'raw-text))
105 (insert-file-contents msg-filename)
107 (set-buffer-modified-p nil)
108 (setq buffer-read-only t)
109 (setq buffer-file-name msg-filename)
111 (mime-view-mode nil nil nil
112 aname (concat "show-" folder))
113 (goto-char (point-min))
115 (let ((clean-message-header mh-clean-message-header)
116 (invisible-headers mh-invisible-headers)
117 (visible-headers mh-visible-headers)
120 ;; modified by ARIURA <ariura@cc.tuat.ac.jp>
123 (mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear"
124 (if (stringp mhl-formfile)
125 (list "-form" mhl-formfile))
127 (insert-file-contents msg-filename))
129 (goto-char (point-min))
130 (cond (clean-message-header
131 (mh-clean-msg-header (point-min)
134 (goto-char (point-min)))
136 (mh-start-of-uncleaned-message)))
137 (if emh-decode-encoded-word
138 (eword-decode-header)
140 (set-buffer-modified-p nil)
141 (setq buffer-read-only t)
142 (setq buffer-file-name msg-filename)
145 (or (eq buffer-undo-list t) ;don't save undo info for prev msgs
146 (setq buffer-undo-list nil))
147 ;;; Added by itokon (02/19/96)
148 (setq buffer-file-name msg-filename)
151 (setq mode-line-buffer-identification
152 (list (format mh-show-buffer-mode-line-buffer-id
155 (setq mh-showing-with-headers nil)))))
157 (defun emh-view-message (&optional msg)
158 "MIME decode and play this message."
160 (if (or (null emh-automatic-mime-preview)
161 (null (get-buffer mh-show-buffer))
163 (set-buffer mh-show-buffer)
164 (not (eq major-mode 'mime-view-mode))
166 (let ((emh-automatic-mime-preview t))
167 (mh-invalidate-show-buffer)
170 (pop-to-buffer mh-show-buffer)
173 (defun emh-toggle-decoding-mode (arg)
174 "Toggle MIME processing mode.
175 With arg, turn MIME processing on if arg is positive."
177 (setq emh-automatic-mime-preview
179 (not emh-automatic-mime-preview)
182 (set-buffer mh-show-buffer)
183 (if (null emh-automatic-mime-preview)
184 (if (and mime-raw-buffer
185 (get-buffer mime-raw-buffer))
186 (kill-buffer mime-raw-buffer)
188 (mh-invalidate-show-buffer)
189 (mh-show (mh-get-msg-num t))
192 (defun emh-show (&optional message)
194 (mh-invalidate-show-buffer)
198 (defun emh-header-display ()
200 (mh-invalidate-show-buffer)
201 (let ((mime-view-ignored-field-regexp "^:$")
202 emh-decode-encoded-word)
206 (defun emh-raw-display ()
208 (mh-invalidate-show-buffer)
209 (let (emh-automatic-mime-preview
210 emh-decode-encoded-word)
214 (defun emh-burst-multipart/digest ()
215 "Burst apart the current message, which should be a multipart/digest.
216 The message is replaced by its table of contents and the letters from the
217 digest are inserted into the folder after that message."
219 (let ((digest (mh-get-msg-num t)))
220 (mh-process-or-undo-commands mh-current-folder)
221 (mh-set-folder-modified-p t) ; lock folder while bursting
222 (message "Bursting digest...")
223 (mh-exec-cmd "mhn" "-store" mh-current-folder digest)
224 (mh-scan-folder mh-current-folder (format "%d-last" mh-first-msg-num))
225 (message "Bursting digest...done")
232 (set-alist 'mime-raw-buffer-coding-system-alist
233 'mh-show-mode 'no-conversion)
235 (set-alist 'mime-text-decoder-alist
236 'mh-show-mode 'mime-text-decode-buffer)
238 (defvar emh-content-header-filter-hook
240 '(emh-highlight-header)
242 "Hook for header filtering.")
244 (autoload 'emh-highlight-header "emh-face")
246 (defun emh-content-header-filter ()
247 "Header filter for mime-view.
248 It is registered to variable `mime-view-content-header-filter-alist'."
249 (goto-char (point-min))
250 (mime-view-cut-header)
251 (eword-decode-header default-mime-charset)
252 (run-hooks 'emh-content-header-filter-hook)
255 (set-alist 'mime-view-content-header-filter-alist
257 (function emh-content-header-filter))
259 (defun emh-quitting-method ()
260 (let ((buf (current-buffer)))
261 (mime-maybe-hide-echo-buffer)
263 (let ((name (buffer-name buf)))
266 (if (not emh-automatic-mime-preview)
267 (mh-invalidate-show-buffer)
269 (mh-show (mh-get-msg-num t))
272 (set-alist 'mime-preview-quitting-method-alist
273 'mh-show-mode #'emh-quitting-method)
274 (set-alist 'mime-view-show-summary-method
276 (function emh-quitting-method))
278 (defun emh-following-method (buf)
281 (goto-char (point-max))
282 (setq mh-show-buffer buf)
283 (apply (function mh-send)
284 (std11-field-bodies '("From" "cc" "Subject") ""))
285 (setq mh-sent-from-folder buf)
286 (setq mh-sent-from-msg 1)
287 (let ((last (point)))
292 (set-alist 'mime-view-following-method-alist
294 (function emh-following-method))
297 ;;; @@ for mime-partial
300 (autoload 'mime-method-to-combine-message/partial-pieces
302 "Internal method to combine message/partial messages automatically.")
304 (set-atype 'mime-acting-condition
305 '((type . message)(subtype . partial)
306 (method . mime-method-to-combine-message/partial-pieces)
307 (major-mode . mh-show-mode)
309 . (and (or (string-match "^article-\\(.+\\)$"
311 (string-match "^show-\\(.+\\)$" article-buffer))
312 (substring article-buffer
313 (match-beginning 1) (match-end 1))
317 (set-alist 'mime-view-partial-message-method-alist
321 (let ((emh-automatic-mime-preview t))
329 (define-key mh-folder-mode-map "v" (function emh-view-message))
330 (define-key mh-folder-mode-map "\et" (function emh-toggle-decoding-mode))
331 (define-key mh-folder-mode-map "." (function emh-show))
332 (define-key mh-folder-mode-map "," (function emh-header-display))
333 (define-key mh-folder-mode-map "\e," (function emh-raw-display))
334 (define-key mh-folder-mode-map "\C-c\C-b"
335 (function emh-burst-multipart/digest))
337 (defun emh-summary-before-quit ()
338 (let ((buf (get-buffer mh-show-buffer)))
340 (let ((the-buf (current-buffer)))
341 (switch-to-buffer buf)
342 (if (and mime-preview-buffer
343 (setq buf (get-buffer mime-preview-buffer))
346 (switch-to-buffer the-buf)
349 (switch-to-buffer the-buf)
353 (add-hook 'mh-before-quit-hook (function emh-summary-before-quit))
359 (eval-after-load "bbdb" '(require 'mime-bbdb))
367 (run-hooks 'emh-load-hook)