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.
35 (eval-when-compile (require 'mime-text))
41 (defconst emh-version "1.4.0")
48 "MIME Extension for mh-e"
52 (defcustom emh-automatic-mime-preview t
53 "*If non-nil, show MIME processed message."
57 (defcustom emh-decode-encoded-word t
58 "*If non-nil, decode encoded-word when it is not MIME preview mode."
66 (defun mh-display-msg (msg-num folder &optional show-buffer mode)
67 "Display message number MSG-NUM of FOLDER.
68 This function uses `mime-view-mode' if MODE is not nil. If MODE is
69 nil, `emh-automatic-mime-preview' is used as default value."
71 (setq mode emh-automatic-mime-preview)
73 ;; Display message NUMBER of FOLDER.
74 ;; Sets the current buffer to the show buffer.
77 (setq show-buffer mh-show-buffer))
78 ;; Bind variables in folder buffer in case they are local
79 (let ((msg-filename (mh-msg-filename msg-num)))
80 (if (not (file-exists-p msg-filename))
81 (error "Message %d does not exist" msg-num))
82 (set-buffer show-buffer)
83 (cond ((not (equal msg-filename buffer-file-name))
84 ;; Buffer does not yet contain message.
85 (clear-visited-file-modtime)
87 (setq buffer-file-name nil) ; no locking during setup
88 (setq buffer-read-only nil)
91 (let* ((aname (concat "article-" folder))
92 (abuf (get-buffer aname))
97 (setq buffer-read-only nil)
100 (setq abuf (get-buffer-create aname))
103 (let ((coding-system-for-read 'raw-text))
104 (insert-file-contents msg-filename)
106 (set-buffer-modified-p nil)
107 (setq buffer-read-only t)
108 (setq buffer-file-name msg-filename)
110 (mime-view-mode nil nil nil
111 aname (concat "show-" folder))
112 (goto-char (point-min))
114 (let ((clean-message-header mh-clean-message-header)
115 (invisible-headers mh-invisible-headers)
116 (visible-headers mh-visible-headers)
119 ;; modified by ARIURA <ariura@cc.tuat.ac.jp>
122 (mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear"
123 (if (stringp mhl-formfile)
124 (list "-form" mhl-formfile))
126 (insert-file-contents msg-filename))
128 (goto-char (point-min))
129 (cond (clean-message-header
130 (mh-clean-msg-header (point-min)
133 (goto-char (point-min)))
135 (mh-start-of-uncleaned-message)))
136 (if emh-decode-encoded-word
137 (eword-decode-header)
139 (set-buffer-modified-p nil)
140 (setq buffer-read-only t)
141 (setq buffer-file-name msg-filename)
144 (or (eq buffer-undo-list t) ;don't save undo info for prev msgs
145 (setq buffer-undo-list nil))
146 ;;; Added by itokon (02/19/96)
147 (setq buffer-file-name msg-filename)
150 (setq mode-line-buffer-identification
151 (list (format mh-show-buffer-mode-line-buffer-id
154 (setq mh-showing-with-headers nil)))))
156 (defun emh-view-message (&optional msg)
157 "MIME decode and play this message."
159 (if (or (null emh-automatic-mime-preview)
160 (null (get-buffer mh-show-buffer))
162 (set-buffer mh-show-buffer)
163 (not (eq major-mode 'mime-view-mode))
165 (let ((emh-automatic-mime-preview t))
166 (mh-invalidate-show-buffer)
169 (pop-to-buffer mh-show-buffer)
172 (defun emh-toggle-decoding-mode (arg)
173 "Toggle MIME processing mode.
174 With arg, turn MIME processing on if arg is positive."
176 (setq emh-automatic-mime-preview
178 (not emh-automatic-mime-preview)
181 (set-buffer mh-show-buffer)
182 (if (null emh-automatic-mime-preview)
183 (if (and mime-raw-buffer
184 (get-buffer mime-raw-buffer))
185 (kill-buffer mime-raw-buffer)
187 (mh-invalidate-show-buffer)
188 (mh-show (mh-get-msg-num t))
191 (defun emh-show (&optional message)
193 (mh-invalidate-show-buffer)
197 (defun emh-header-display ()
199 (mh-invalidate-show-buffer)
200 (let ((mime-view-ignored-field-regexp "^:$")
201 emh-decode-encoded-word)
205 (defun emh-raw-display ()
207 (mh-invalidate-show-buffer)
208 (let (emh-automatic-mime-preview
209 emh-decode-encoded-word)
213 (defun emh-burst-multipart/digest ()
214 "Burst apart the current message, which should be a multipart/digest.
215 The message is replaced by its table of contents and the letters from the
216 digest are inserted into the folder after that message."
218 (let ((digest (mh-get-msg-num t)))
219 (mh-process-or-undo-commands mh-current-folder)
220 (mh-set-folder-modified-p t) ; lock folder while bursting
221 (message "Bursting digest...")
222 (mh-exec-cmd "mhn" "-store" mh-current-folder digest)
223 (mh-scan-folder mh-current-folder (format "%d-last" mh-first-msg-num))
224 (message "Bursting digest...done")
231 (set-alist 'mime-raw-representation-type-alist 'mh-show-mode 'binary)
233 (defvar emh-content-header-filter-hook
235 '(emh-highlight-header)
237 "Hook for header filtering.")
239 (autoload 'emh-highlight-header "emh-face")
241 (defun emh-content-header-filter ()
242 "Header filter for mime-view.
243 It is registered to variable `mime-view-content-header-filter-alist'."
244 (goto-char (point-min))
245 (mime-view-cut-header)
246 (eword-decode-header default-mime-charset)
247 (run-hooks 'emh-content-header-filter-hook)
250 (set-alist 'mime-view-content-header-filter-alist
252 (function emh-content-header-filter))
254 (defun emh-quitting-method ()
255 (let ((buf (current-buffer)))
256 (mime-maybe-hide-echo-buffer)
258 (let ((name (buffer-name buf)))
261 (if (not emh-automatic-mime-preview)
262 (mh-invalidate-show-buffer)
264 (mh-show (mh-get-msg-num t))
267 (set-alist 'mime-preview-quitting-method-alist
268 'mh-show-mode #'emh-quitting-method)
269 (set-alist 'mime-view-show-summary-method
271 (function emh-quitting-method))
273 (defun emh-following-method (buf)
276 (goto-char (point-max))
277 (setq mh-show-buffer buf)
278 (apply (function mh-send)
279 (std11-field-bodies '("From" "cc" "Subject") ""))
280 (setq mh-sent-from-folder buf)
281 (setq mh-sent-from-msg 1)
282 (let ((last (point)))
287 (set-alist 'mime-view-following-method-alist
289 (function emh-following-method))
292 ;;; @@ for mime-partial
295 (autoload 'mime-method-to-combine-message/partial-pieces
297 "Internal method to combine message/partial messages automatically.")
301 '((type . message)(subtype . partial)
302 (method . mime-method-to-combine-message/partial-pieces)
303 (major-mode . mh-show-mode)
305 . (and (or (string-match "^article-\\(.+\\)$"
307 (string-match "^show-\\(.+\\)$" article-buffer))
308 (substring article-buffer
309 (match-beginning 1) (match-end 1))
313 (set-alist 'mime-view-partial-message-method-alist
317 (let ((emh-automatic-mime-preview t))
325 (define-key mh-folder-mode-map "v" (function emh-view-message))
326 (define-key mh-folder-mode-map "\et" (function emh-toggle-decoding-mode))
327 (define-key mh-folder-mode-map "." (function emh-show))
328 (define-key mh-folder-mode-map "," (function emh-header-display))
329 (define-key mh-folder-mode-map "\e," (function emh-raw-display))
330 (define-key mh-folder-mode-map "\C-c\C-b"
331 (function emh-burst-multipart/digest))
333 (defun emh-summary-before-quit ()
334 (let ((buf (get-buffer mh-show-buffer)))
336 (let ((the-buf (current-buffer)))
337 (switch-to-buffer buf)
338 (if (and mime-preview-buffer
339 (setq buf (get-buffer mime-preview-buffer))
342 (switch-to-buffer the-buf)
345 (switch-to-buffer the-buf)
349 (add-hook 'mh-before-quit-hook (function emh-summary-before-quit))
355 (eval-after-load "bbdb" '(require 'mime-bbdb))
363 (run-hooks 'emh-load-hook)