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 (eval-when-compile (require 'mime-text))
40 (defconst emh-version "1.2.0")
47 "MIME Extension for mh-e"
51 (defcustom emh-automatic-mime-preview t
52 "*If non-nil, show MIME processed message."
56 (defcustom emh-decode-encoded-word t
57 "*If non-nil, decode encoded-word when it is not MIME preview mode."
65 (defun mh-display-msg (msg-num folder &optional show-buffer mode)
66 "Display message number MSG-NUM of FOLDER.
67 This function uses `mime-view-mode' if MODE is not nil. If MODE is
68 nil, `emh-automatic-mime-preview' is used as default value."
70 (setq mode emh-automatic-mime-preview)
72 ;; Display message NUMBER of FOLDER.
73 ;; Sets the current buffer to the show buffer.
76 (setq show-buffer mh-show-buffer))
77 ;; Bind variables in folder buffer in case they are local
78 (let ((msg-filename (mh-msg-filename msg-num)))
79 (if (not (file-exists-p msg-filename))
80 (error "Message %d does not exist" msg-num))
81 (set-buffer show-buffer)
82 (cond ((not (equal msg-filename buffer-file-name))
83 ;; Buffer does not yet contain message.
84 (clear-visited-file-modtime)
86 (setq buffer-file-name nil) ; no locking during setup
87 (setq buffer-read-only nil)
90 (let* ((aname (concat "article-" folder))
91 (abuf (get-buffer aname))
96 (setq buffer-read-only nil)
99 (setq abuf (get-buffer-create aname))
102 (let ((coding-system-for-read 'raw-text))
103 (insert-file-contents msg-filename)
105 (set-buffer-modified-p nil)
106 (setq buffer-read-only t)
107 (setq buffer-file-name msg-filename)
109 (mime-view-mode nil nil nil
110 aname (concat "show-" folder))
111 (goto-char (point-min))
113 (let ((clean-message-header mh-clean-message-header)
114 (invisible-headers mh-invisible-headers)
115 (visible-headers mh-visible-headers)
118 ;; modified by ARIURA <ariura@cc.tuat.ac.jp>
121 (mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear"
122 (if (stringp mhl-formfile)
123 (list "-form" mhl-formfile))
125 (insert-file-contents msg-filename))
127 (goto-char (point-min))
128 (cond (clean-message-header
129 (mh-clean-msg-header (point-min)
132 (goto-char (point-min)))
134 (mh-start-of-uncleaned-message)))
135 (if emh-decode-encoded-word
136 (eword-decode-header)
138 (set-buffer-modified-p nil)
139 (setq buffer-read-only t)
140 (setq buffer-file-name msg-filename)
143 (or (eq buffer-undo-list t) ;don't save undo info for prev msgs
144 (setq buffer-undo-list nil))
145 ;;; Added by itokon (02/19/96)
146 (setq buffer-file-name msg-filename)
149 (setq mode-line-buffer-identification
150 (list (format mh-show-buffer-mode-line-buffer-id
153 (setq mh-showing-with-headers nil)))))
155 (defun emh-view-message (&optional msg)
156 "MIME decode and play this message."
158 (if (or (null emh-automatic-mime-preview)
159 (null (get-buffer mh-show-buffer))
161 (set-buffer mh-show-buffer)
162 (not (eq major-mode 'mime-view-mode))
164 (let ((emh-automatic-mime-preview t))
165 (mh-invalidate-show-buffer)
168 (pop-to-buffer mh-show-buffer)
171 (defun emh-toggle-decoding-mode (arg)
172 "Toggle MIME processing mode.
173 With arg, turn MIME processing on if arg is positive."
175 (setq emh-automatic-mime-preview
177 (not emh-automatic-mime-preview)
180 (set-buffer mh-show-buffer)
181 (if (null emh-automatic-mime-preview)
182 (if (and mime-raw-buffer
183 (get-buffer mime-raw-buffer))
184 (kill-buffer mime-raw-buffer)
186 (mh-invalidate-show-buffer)
187 (mh-show (mh-get-msg-num t))
190 (defun emh-show (&optional message)
192 (mh-invalidate-show-buffer)
196 (defun emh-header-display ()
198 (mh-invalidate-show-buffer)
199 (let ((mime-view-ignored-field-regexp "^:$")
200 emh-decode-encoded-word)
204 (defun emh-raw-display ()
206 (mh-invalidate-show-buffer)
207 (let (emh-automatic-mime-preview
208 emh-decode-encoded-word)
212 (defun emh-burst-multipart/digest ()
213 "Burst apart the current message, which should be a multipart/digest.
214 The message is replaced by its table of contents and the letters from the
215 digest are inserted into the folder after that message."
217 (let ((digest (mh-get-msg-num t)))
218 (mh-process-or-undo-commands mh-current-folder)
219 (mh-set-folder-modified-p t) ; lock folder while bursting
220 (message "Bursting digest...")
221 (mh-exec-cmd "mhn" "-store" mh-current-folder digest)
222 (mh-scan-folder mh-current-folder (format "%d-last" mh-first-msg-num))
223 (message "Bursting digest...done")
230 (set-alist 'mime-raw-buffer-coding-system-alist
231 'mh-show-mode 'no-conversion)
233 (set-alist 'mime-text-decoder-alist
234 'mh-show-mode 'mime-text-decode-buffer)
236 (defvar emh-content-header-filter-hook
238 '(emh-highlight-header)
240 "Hook for header filtering.")
242 (autoload 'emh-highlight-header "emh-face")
244 (defun emh-content-header-filter ()
245 "Header filter for mime-view.
246 It is registered to variable `mime-view-content-header-filter-alist'."
247 (goto-char (point-min))
248 (mime-view-cut-header)
249 (eword-decode-header default-mime-charset)
250 (run-hooks 'emh-content-header-filter-hook)
253 (set-alist 'mime-view-content-header-filter-alist
255 (function emh-content-header-filter))
257 (defun emh-quitting-method ()
258 (let ((buf (current-buffer)))
259 (mime-maybe-hide-echo-buffer)
261 (let ((name (buffer-name buf)))
264 (if (not emh-automatic-mime-preview)
265 (mh-invalidate-show-buffer)
267 (mh-show (mh-get-msg-num t))
270 (set-alist 'mime-preview-quitting-method-alist
271 'mh-show-mode #'emh-quitting-method)
272 (set-alist 'mime-view-show-summary-method
274 (function emh-quitting-method))
276 (defun emh-following-method (buf)
279 (goto-char (point-max))
280 (setq mh-show-buffer buf)
281 (apply (function mh-send)
282 (std11-field-bodies '("From" "cc" "Subject") ""))
283 (setq mh-sent-from-folder buf)
284 (setq mh-sent-from-msg 1)
285 (let ((last (point)))
290 (set-alist 'mime-view-following-method-alist
292 (function emh-following-method))
295 ;;; @@ for mime-partial
298 (autoload 'mime-method-to-combine-message/partial-pieces
300 "Internal method to combine message/partial messages automatically.")
302 (ctree-set-calist-strictly
303 'mime-acting-condition
304 '((type . message)(subtype . partial)
305 (method . mime-method-to-combine-message/partial-pieces)
306 (major-mode . mh-show-mode)
308 . (and (or (string-match "^article-\\(.+\\)$"
310 (string-match "^show-\\(.+\\)$" article-buffer))
311 (substring article-buffer
312 (match-beginning 1) (match-end 1))
316 (set-alist 'mime-view-partial-message-method-alist
320 (let ((emh-automatic-mime-preview t))
328 (define-key mh-folder-mode-map "v" (function emh-view-message))
329 (define-key mh-folder-mode-map "\et" (function emh-toggle-decoding-mode))
330 (define-key mh-folder-mode-map "." (function emh-show))
331 (define-key mh-folder-mode-map "," (function emh-header-display))
332 (define-key mh-folder-mode-map "\e," (function emh-raw-display))
333 (define-key mh-folder-mode-map "\C-c\C-b"
334 (function emh-burst-multipart/digest))
336 (defun emh-summary-before-quit ()
337 (let ((buf (get-buffer mh-show-buffer)))
339 (let ((the-buf (current-buffer)))
340 (switch-to-buffer buf)
341 (if (and mime-preview-buffer
342 (setq buf (get-buffer mime-preview-buffer))
345 (switch-to-buffer the-buf)
348 (switch-to-buffer the-buf)
352 (add-hook 'mh-before-quit-hook (function emh-summary-before-quit))
358 (eval-after-load "bbdb" '(require 'mime-bbdb))
366 (run-hooks 'emh-load-hook)