1 ;;; mime-def.el --- definition module for SEMI
3 ;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Version: $Id: mime-def.el,v 0.6 1997-02-24 08:57:49 tmorioka Exp $
7 ;; Keywords: definition, MIME, multimedia, mail, news
9 ;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
11 ;; This program is free software; you can redistribute it and/or
12 ;; modify it under the terms of the GNU General Public License as
13 ;; published by the Free Software Foundation; either version 2, or (at
14 ;; your option) any later version.
16 ;; This program is distributed in the hope that it will be useful, but
17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ;; General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
34 (defvar mime/tmp-dir (or (getenv "TM_TMP_DIR") "/tmp/"))
36 (defvar mime/use-multi-frame
37 (and (>= emacs-major-version 19) window-system))
39 (defvar mime/find-file-function
40 (if mime/use-multi-frame
41 (function find-file-other-frame)
45 (defvar mime/output-buffer-window-is-shared-with-bbdb t
46 "*If t, mime/output-buffer window is shared with BBDB window.")
52 (defconst mime/output-buffer-name "*MIME-out*")
53 (defconst mime/temp-buffer-name " *MIME-temp*")
56 ;;; @ charset and encoding
59 (defvar mime-charset-type-list
61 (iso-8859-1 8 "quoted-printable")
62 (iso-8859-2 8 "quoted-printable")
63 (iso-8859-3 8 "quoted-printable")
64 (iso-8859-4 8 "quoted-printable")
65 (iso-8859-5 8 "quoted-printable")
66 (koi8-r 8 "quoted-printable")
67 (iso-8859-7 8 "quoted-printable")
68 (iso-8859-8 8 "quoted-printable")
69 (iso-8859-9 8 "quoted-printable")
70 (iso-2022-jp 7 "base64")
71 (iso-2022-kr 7 "base64")
73 (gb2312 8 "quoted-printable")
75 (iso-2022-jp-2 7 "base64")
76 (iso-2022-int-1 7 "base64")
79 (defun mime/encoding-name (transfer-level &optional not-omit)
80 (cond ((> transfer-level 8) "binary")
81 ((= transfer-level 8) "8bit")
85 (defun mime/make-charset-default-encoding-alist (transfer-level)
87 (lambda (charset-type)
88 (let ((charset (upcase (symbol-name (car charset-type))))
89 (type (nth 1 charset-type))
90 (encoding (nth 2 charset-type))
92 (if (<= type transfer-level)
93 (cons charset (mime/encoding-name type))
94 (cons charset encoding)
96 mime-charset-type-list))
102 (defun tm:set-face-region (b e face)
103 (let ((overlay (tl:make-overlay b e)))
104 (tl:overlay-put overlay 'face face)
107 (defvar tm:button-face 'bold
108 "Face used for content-button or URL-button of MIME-Preview buffer.
111 (defvar tm:mouse-face 'highlight
112 "Face used for MIME-preview buffer mouse highlighting. [mime-def.el]")
114 (defvar tm:warning-face nil
115 "Face used for invalid encoded-word.")
117 (defun tm:add-button (from to func &optional data)
118 "Create a button between FROM and TO with callback FUNC and data DATA."
120 (tl:overlay-put (tl:make-overlay from to) 'face tm:button-face))
121 (tl:add-text-properties from to
122 (append (and tm:mouse-face
123 (list 'mouse-face tm:mouse-face))
124 (list 'mime-callback func)
125 (and data (list 'mime-data data))
129 (defvar tm:mother-button-dispatcher nil)
131 (defun tm:button-dispatcher (event)
132 "Select the button under point."
134 (let (buf point func data)
135 (save-window-excursion
136 (mouse-set-point event)
137 (setq buf (current-buffer)
139 func (get-text-property (point) 'mime-callback)
140 data (get-text-property (point) 'mime-data)
148 (if (fboundp tm:mother-button-dispatcher)
149 (funcall tm:mother-button-dispatcher event)
157 (defvar tm:URL-regexp
158 "\\(http\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-a-zA-Z0-9_=?#$@~`%&*+|\\/.,]*[-a-zA-Z0-9_=#$@~`%&*+|\\/]")
160 (defvar browse-url-browser-function nil)
162 (defun tm:browse-url (&optional url)
163 (if (fboundp browse-url-browser-function)
165 (funcall browse-url-browser-function url)
166 (call-interactively browse-url-browser-function))
167 (if (fboundp tm:mother-button-dispatcher)
168 (call-interactively tm:mother-button-dispatcher)
176 (defvar pgp-function-alist
179 (verify mc-verify "mc-toplev")
180 (decrypt mc-decrypt "mc-toplev")
181 (fetch-key mc-pgp-fetch-key "mc-pgp")
182 (snarf-keys mc-snarf-keys "mc-toplev")
184 (mime-sign tm:mc-pgp-sign-region "mime-edit-mc")
185 (traditional-sign mc-pgp-sign-region "mc-pgp")
186 (encrypt tm:mc-pgp-encrypt-region "mime-edit-mc")
187 (insert-key mc-insert-public-key "mc-toplev")
189 "Alist of service names vs. corresponding functions and its filenames.
190 Each element looks like (SERVICE FUNCTION FILE).
192 SERVICE is a symbol of PGP processing. It allows `verify', `decrypt',
193 `fetch-key', `snarf-keys', `mime-sign', `traditional-sign', `encrypt'
196 Function is a symbol of function to do specified SERVICE.
198 FILE is string of filename which has definition of corresponding
201 (defmacro pgp-function (method)
202 "Return function to do service METHOD."
203 (` (car (cdr (assq (, method) (symbol-value 'pgp-function-alist)))))
208 (autoload (second method)(third method))
213 ;;; @ definitions about MIME
216 (defconst mime/tspecials "][\000-\040()<>@,\;:\\\"/?.=")
217 (defconst mime/token-regexp (concat "[^" mime/tspecials "]+"))
218 (defconst mime-charset-regexp mime/token-regexp)
220 (defconst mime/content-type-subtype-regexp
221 (concat mime/token-regexp "/" mime/token-regexp))
223 (defconst mime/disposition-type-regexp mime/token-regexp)
226 ;;; @@ Quoted-Printable
229 (defconst quoted-printable-hex-chars "0123456789ABCDEF")
230 (defconst quoted-printable-octet-regexp
231 (concat "=[" quoted-printable-hex-chars
232 "][" quoted-printable-hex-chars "]"))
234 (defconst eword-Q-encoded-text-regexp
235 (concat "\\([^=?]\\|" quoted-printable-octet-regexp "\\)+"))
236 (defconst eword-Q-encoding-and-encoded-text-regexp
237 (concat "\\(Q\\)\\?" eword-Q-encoded-text-regexp))
242 ;; caesar-region written by phr@prep.ai.mit.edu Nov 86
243 ;; modified by tower@prep Nov 86
244 ;; gnus-caesar-region
245 ;; Modified by umerin@flab.flab.Fujitsu.JUNET for ROT47.
246 (defun tm:caesar-region (&optional n)
247 "Caesar rotation of region by N, default 13, for decrypting netnews.
248 ROT47 will be performed for Japanese text in any case."
249 (interactive (if current-prefix-arg ; Was there a prefix arg?
250 (list (prefix-numeric-value current-prefix-arg))
252 (cond ((not (numberp n)) (setq n 13))
253 (t (setq n (mod n 26)))) ;canonicalize N
254 (if (not (zerop n)) ; no action needed for a rot of 0
256 (if (or (not (boundp 'caesar-translate-table))
257 (/= (aref caesar-translate-table ?a) (+ ?a n)))
258 (let ((i 0) (lower "abcdefghijklmnopqrstuvwxyz") upper)
259 (message "Building caesar-translate-table...")
260 (setq caesar-translate-table (make-vector 256 0))
262 (aset caesar-translate-table i i)
264 (setq lower (concat lower lower) upper (upcase lower) i 0)
266 (aset caesar-translate-table (+ ?a i) (aref lower (+ i n)))
267 (aset caesar-translate-table (+ ?A i) (aref upper (+ i n)))
269 ;; ROT47 for Japanese text.
270 ;; Thanks to ichikawa@flab.fujitsu.junet.
272 (let ((t1 (logior ?O 128))
274 (t3 (logior ?~ 128)))
276 (aset caesar-translate-table i
277 (let ((v (aref caesar-translate-table i)))
278 (if (<= v t1) (if (< v t2) v (+ v 47))
279 (if (<= v t3) (- v 47) v))))
281 (message "Building caesar-translate-table...done")))
282 (let ((from (region-beginning))
285 (setq str (buffer-substring from to))
286 (setq len (length str))
288 (aset str i (aref caesar-translate-table (aref str i)))
291 (delete-region from to)
298 (defun tm:set-fields (sym field-list &optional regexp-sym)
301 (let ((name (symbol-name sym)))
303 (concat (if (string-match "\\(.*\\)-list" name)
304 (substring name 0 (match-end 1))
311 (concat "^" (apply (function regexp-or) field-list) ":"))
314 (defun tm:add-fields (sym field-list &optional regexp-sym)
317 (let ((name (symbol-name sym)))
319 (concat (if (string-match "\\(.*\\)-list" name)
320 (substring name 0 (match-end 1))
325 (let ((fields (eval sym)))
328 (or (member field fields)
329 (setq fields (cons field fields))
335 (concat "^" (apply (function regexp-or) fields) ":"))
339 (defun tm:delete-fields (sym field-list &optional regexp-sym)
342 (let ((name (symbol-name sym)))
344 (concat (if (string-match "\\(.*\\)-list" name)
345 (substring name 0 (match-end 1))
350 (let ((fields (eval sym)))
353 (setq fields (delete field fields))
357 (concat "^" (apply (function regexp-or) fields) ":"))
365 (defsubst get-version-string (id)
366 "Return a version-string from RCS ID."
367 (and (string-match ",v \\([0-9][0-9.][0-9.]+\\)" id)
368 (substring id (match-beginning 1)(match-end 1))
377 ;;; mime-def.el ends here