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 0.10 1997-02-25 06:21:00 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*")
59 (defun tm:set-face-region (b e face)
60 (let ((overlay (tl:make-overlay b e)))
61 (tl:overlay-put overlay 'face face)
64 (defvar tm:button-face 'bold
65 "Face used for content-button or URL-button of MIME-Preview buffer.
68 (defvar tm:mouse-face 'highlight
69 "Face used for MIME-preview buffer mouse highlighting. [mime-def.el]")
71 (defvar tm:warning-face nil
72 "Face used for invalid encoded-word.")
74 (defun tm:add-button (from to func &optional data)
75 "Create a button between FROM and TO with callback FUNC and data DATA."
77 (tl:overlay-put (tl:make-overlay from to) 'face tm:button-face))
78 (tl:add-text-properties from to
79 (append (and tm:mouse-face
80 (list 'mouse-face tm:mouse-face))
81 (list 'mime-callback func)
82 (and data (list 'mime-data data))
86 (defvar tm:mother-button-dispatcher nil)
88 (defun tm:button-dispatcher (event)
89 "Select the button under point."
91 (let (buf point func data)
92 (save-window-excursion
93 (mouse-set-point event)
94 (setq buf (current-buffer)
96 func (get-text-property (point) 'mime-callback)
97 data (get-text-property (point) 'mime-data)
105 (if (fboundp tm:mother-button-dispatcher)
106 (funcall tm:mother-button-dispatcher event)
114 (defvar tm:URL-regexp
115 "\\(http\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-a-zA-Z0-9_=?#$@~`%&*+|\\/.,]*[-a-zA-Z0-9_=#$@~`%&*+|\\/]")
117 (defvar browse-url-browser-function nil)
119 (defun tm:browse-url (&optional url)
120 (if (fboundp browse-url-browser-function)
122 (funcall browse-url-browser-function url)
123 (call-interactively browse-url-browser-function))
124 (if (fboundp tm:mother-button-dispatcher)
125 (call-interactively tm:mother-button-dispatcher)
133 (defvar pgp-function-alist
136 (verify mc-verify "mc-toplev")
137 (decrypt mc-decrypt "mc-toplev")
138 (fetch-key mc-pgp-fetch-key "mc-pgp")
139 (snarf-keys mc-snarf-keys "mc-toplev")
141 (mime-sign tm:mc-pgp-sign-region "mime-edit-mc")
142 (traditional-sign mc-pgp-sign-region "mc-pgp")
143 (encrypt tm:mc-pgp-encrypt-region "mime-edit-mc")
144 (insert-key mc-insert-public-key "mc-toplev")
146 "Alist of service names vs. corresponding functions and its filenames.
147 Each element looks like (SERVICE FUNCTION FILE).
149 SERVICE is a symbol of PGP processing. It allows `verify', `decrypt',
150 `fetch-key', `snarf-keys', `mime-sign', `traditional-sign', `encrypt'
153 Function is a symbol of function to do specified SERVICE.
155 FILE is string of filename which has definition of corresponding
158 (defmacro pgp-function (method)
159 "Return function to do service METHOD."
160 (` (car (cdr (assq (, method) (symbol-value 'pgp-function-alist)))))
165 (autoload (second method)(third method))
170 ;;; @ definitions about MIME
173 (defconst mime/tspecials "][\000-\040()<>@,\;:\\\"/?.=")
174 (defconst mime/token-regexp (concat "[^" mime/tspecials "]+"))
175 (defconst mime-charset-regexp mime/token-regexp)
177 (defconst mime/content-type-subtype-regexp
178 (concat mime/token-regexp "/" mime/token-regexp))
180 (defconst mime/disposition-type-regexp mime/token-regexp)
185 ;; caesar-region written by phr@prep.ai.mit.edu Nov 86
186 ;; modified by tower@prep Nov 86
187 ;; gnus-caesar-region
188 ;; Modified by umerin@flab.flab.Fujitsu.JUNET for ROT47.
189 (defun tm:caesar-region (&optional n)
190 "Caesar rotation of region by N, default 13, for decrypting netnews.
191 ROT47 will be performed for Japanese text in any case."
192 (interactive (if current-prefix-arg ; Was there a prefix arg?
193 (list (prefix-numeric-value current-prefix-arg))
195 (cond ((not (numberp n)) (setq n 13))
196 (t (setq n (mod n 26)))) ;canonicalize N
197 (if (not (zerop n)) ; no action needed for a rot of 0
199 (if (or (not (boundp 'caesar-translate-table))
200 (/= (aref caesar-translate-table ?a) (+ ?a n)))
201 (let ((i 0) (lower "abcdefghijklmnopqrstuvwxyz") upper)
202 (message "Building caesar-translate-table...")
203 (setq caesar-translate-table (make-vector 256 0))
205 (aset caesar-translate-table i i)
207 (setq lower (concat lower lower) upper (upcase lower) i 0)
209 (aset caesar-translate-table (+ ?a i) (aref lower (+ i n)))
210 (aset caesar-translate-table (+ ?A i) (aref upper (+ i n)))
212 ;; ROT47 for Japanese text.
213 ;; Thanks to ichikawa@flab.fujitsu.junet.
215 (let ((t1 (logior ?O 128))
217 (t3 (logior ?~ 128)))
219 (aset caesar-translate-table i
220 (let ((v (aref caesar-translate-table i)))
221 (if (<= v t1) (if (< v t2) v (+ v 47))
222 (if (<= v t3) (- v 47) v))))
224 (message "Building caesar-translate-table...done")))
225 (let ((from (region-beginning))
228 (setq str (buffer-substring from to))
229 (setq len (length str))
231 (aset str i (aref caesar-translate-table (aref str i)))
234 (delete-region from to)
241 (defun tm:set-fields (sym field-list &optional regexp-sym)
244 (let ((name (symbol-name sym)))
246 (concat (if (string-match "\\(.*\\)-list" name)
247 (substring name 0 (match-end 1))
254 (concat "^" (apply (function regexp-or) field-list) ":"))
257 (defun tm:add-fields (sym field-list &optional regexp-sym)
260 (let ((name (symbol-name sym)))
262 (concat (if (string-match "\\(.*\\)-list" name)
263 (substring name 0 (match-end 1))
268 (let ((fields (eval sym)))
271 (or (member field fields)
272 (setq fields (cons field fields))
278 (concat "^" (apply (function regexp-or) fields) ":"))
282 (defun tm:delete-fields (sym field-list &optional regexp-sym)
285 (let ((name (symbol-name sym)))
287 (concat (if (string-match "\\(.*\\)-list" name)
288 (substring name 0 (match-end 1))
293 (let ((fields (eval sym)))
296 (setq fields (delete field fields))
300 (concat "^" (apply (function regexp-or) fields) ":"))
308 (defsubst get-version-string (id)
309 "Return a version-string from RCS ID."
310 (and (string-match ",v \\([0-9][0-9.][0-9.]+\\)" id)
311 (substring id (match-beginning 1)(match-end 1))
320 ;;; mime-def.el ends here