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."))
42 "$Id: emh.el,v 1.6 1998-03-13 19:01:20 morioka Exp $")
44 (defconst emh-version (get-version-string emh-RCS-ID))
51 "MIME Extension for mh-e"
55 (defcustom emh-automatic-mime-preview t
56 "*If non-nil, show MIME processed message."
60 (defcustom emh-decode-encoded-word t
61 "*If non-nil, decode encoded-word when it is not MIME preview mode."
69 (defun mh-display-msg (msg-num folder &optional show-buffer mode)
70 "Display message number MSG-NUM of FOLDER.
71 This function uses `mime-view-mode' if MODE is not nil. If MODE is
72 nil, `emh-automatic-mime-preview' is used as default value."
74 (setq mode emh-automatic-mime-preview)
76 ;; Display message NUMBER of FOLDER.
77 ;; Sets the current buffer to the show buffer.
80 (setq show-buffer mh-show-buffer))
81 ;; Bind variables in folder buffer in case they are local
82 (let ((msg-filename (mh-msg-filename msg-num)))
83 (if (not (file-exists-p msg-filename))
84 (error "Message %d does not exist" msg-num))
85 (set-buffer show-buffer)
86 (cond ((not (equal msg-filename buffer-file-name))
87 ;; Buffer does not yet contain message.
88 (clear-visited-file-modtime)
90 (setq buffer-file-name nil) ; no locking during setup
91 (setq buffer-read-only nil)
94 (let* ((aname (concat "article-" folder))
95 (abuf (get-buffer aname))
100 (setq buffer-read-only nil)
103 (setq abuf (get-buffer-create aname))
106 (let ((coding-system-for-read 'raw-text))
107 (insert-file-contents msg-filename)
109 (set-buffer-modified-p nil)
110 (setq buffer-read-only t)
111 (setq buffer-file-name msg-filename)
113 (mime-view-mode nil nil nil
114 aname (concat "show-" folder))
115 (goto-char (point-min))
117 (let ((clean-message-header mh-clean-message-header)
118 (invisible-headers mh-invisible-headers)
119 (visible-headers mh-visible-headers)
122 ;; modified by ARIURA <ariura@cc.tuat.ac.jp>
125 (mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear"
126 (if (stringp mhl-formfile)
127 (list "-form" mhl-formfile))
129 (insert-file-contents msg-filename))
131 (goto-char (point-min))
132 (cond (clean-message-header
133 (mh-clean-msg-header (point-min)
136 (goto-char (point-min)))
138 (mh-start-of-uncleaned-message)))
139 (if emh-decode-encoded-word
140 (eword-decode-header)
142 (set-buffer-modified-p nil)
143 (setq buffer-read-only t)
144 (setq buffer-file-name msg-filename)
147 (or (eq buffer-undo-list t) ;don't save undo info for prev msgs
148 (setq buffer-undo-list nil))
149 ;;; Added by itokon (02/19/96)
150 (setq buffer-file-name msg-filename)
153 (setq mode-line-buffer-identification
154 (list (format mh-show-buffer-mode-line-buffer-id
157 (setq mh-showing-with-headers nil)))))
159 (defun emh-view-message (&optional msg)
160 "MIME decode and play this message."
162 (if (or (null emh-automatic-mime-preview)
163 (null (get-buffer mh-show-buffer))
165 (set-buffer mh-show-buffer)
166 (not (eq major-mode 'mime-view-mode))
168 (let ((emh-automatic-mime-preview t))
169 (mh-invalidate-show-buffer)
172 (pop-to-buffer mh-show-buffer)
175 (defun emh-toggle-decoding-mode (arg)
176 "Toggle MIME processing mode.
177 With arg, turn MIME processing on if arg is positive."
179 (setq emh-automatic-mime-preview
181 (not emh-automatic-mime-preview)
184 (set-buffer mh-show-buffer)
185 (if (null emh-automatic-mime-preview)
186 (if (and mime-raw-buffer
187 (get-buffer mime-raw-buffer))
188 (kill-buffer mime-raw-buffer)
190 (mh-invalidate-show-buffer)
191 (mh-show (mh-get-msg-num t))
194 (defun emh-show (&optional message)
196 (mh-invalidate-show-buffer)
200 (defun emh-header-display ()
202 (mh-invalidate-show-buffer)
203 (let ((mime-view-ignored-field-regexp "^:$")
204 emh-decode-encoded-word)
208 (defun emh-raw-display ()
210 (mh-invalidate-show-buffer)
211 (let (emh-automatic-mime-preview
212 emh-decode-encoded-word)
216 (defun emh-burst-multipart/digest ()
217 "Burst apart the current message, which should be a multipart/digest.
218 The message is replaced by its table of contents and the letters from the
219 digest are inserted into the folder after that message."
221 (let ((digest (mh-get-msg-num t)))
222 (mh-process-or-undo-commands mh-current-folder)
223 (mh-set-folder-modified-p t) ; lock folder while bursting
224 (message "Bursting digest...")
225 (mh-exec-cmd "mhn" "-store" mh-current-folder digest)
226 (mh-scan-folder mh-current-folder (format "%d-last" mh-first-msg-num))
227 (message "Bursting digest...done")
234 (fset 'emh-text-decode-buffer
235 (symbol-function 'mime-text-decode-buffer))
237 (set-alist 'mime-text-decoder-alist
239 (function emh-text-decode-buffer))
241 (defvar emh-content-header-filter-hook
243 '(emh-highlight-header)
245 "Hook for header filtering.")
247 (autoload 'emh-highlight-header "emh-face")
249 (defun emh-content-header-filter ()
250 "Header filter for mime-view.
251 It is registered to variable `mime-view-content-header-filter-alist'."
252 (goto-char (point-min))
253 (mime-view-cut-header)
254 (eword-decode-header default-mime-charset)
255 (run-hooks 'emh-content-header-filter-hook)
258 (set-alist 'mime-view-content-header-filter-alist
260 (function emh-content-header-filter))
262 (defun emh-quitting-method ()
263 (let ((buf (current-buffer)))
264 (mime-maybe-hide-echo-buffer)
266 (let ((name (buffer-name buf)))
269 (if (not emh-automatic-mime-preview)
270 (mh-invalidate-show-buffer)
272 (mh-show (mh-get-msg-num t))
275 (set-alist 'mime-preview-quitting-method-alist
276 'mh-show-mode #'emh-quitting-method)
277 (set-alist 'mime-view-show-summary-method
279 (function emh-quitting-method))
281 (defun emh-following-method (buf)
284 (goto-char (point-max))
285 (setq mh-show-buffer buf)
286 (apply (function mh-send)
287 (std11-field-bodies '("From" "cc" "Subject") ""))
288 (setq mh-sent-from-folder buf)
289 (setq mh-sent-from-msg 1)
290 (let ((last (point)))
295 (set-alist 'mime-view-following-method-alist
297 (function emh-following-method))
300 ;;; @@ for mime-partial
303 (autoload 'mime-method-to-combine-message/partial-pieces
305 "Internal method to combine message/partial messages automatically.")
307 (set-atype 'mime-acting-condition
308 '((type . message)(type . partial)
309 (method . mime-method-to-combine-message/partial-pieces)
310 (major-mode . mh-show-mode)
312 . (and (or (string-match "^article-\\(.+\\)$"
314 (string-match "^show-\\(.+\\)$" article-buffer))
315 (substring article-buffer
316 (match-beginning 1) (match-end 1))
320 (set-alist 'mime-view-partial-message-method-alist
324 (let ((emh-automatic-mime-preview t))
332 (define-key mh-folder-mode-map "v" (function emh-view-message))
333 (define-key mh-folder-mode-map "\et" (function emh-toggle-decoding-mode))
334 (define-key mh-folder-mode-map "." (function emh-show))
335 (define-key mh-folder-mode-map "," (function emh-header-display))
336 (define-key mh-folder-mode-map "\e," (function emh-raw-display))
337 (define-key mh-folder-mode-map "\C-c\C-b"
338 (function emh-burst-multipart/digest))
340 (defun emh-summary-before-quit ()
341 (let ((buf (get-buffer mh-show-buffer)))
343 (let ((the-buf (current-buffer)))
344 (switch-to-buffer buf)
345 (if (and mime-preview-buffer
346 (setq buf (get-buffer mime-preview-buffer))
349 (switch-to-buffer the-buf)
352 (switch-to-buffer the-buf)
356 (add-hook 'mh-before-quit-hook (function emh-summary-before-quit))
362 (eval-after-load "bbdb" '(require 'mime-bbdb))
370 (run-hooks 'emh-load-hook)