1 ;;; tm-def.el --- definition module for tm
3 ;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Version: $Id: tm-def.el,v 7.65 1996/10/28 08:43:40 morioka Exp $
7 ;; Keywords: mail, news, MIME, multimedia, definition
9 ;; This file is part of tm (Tools for MIME).
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 (setq tm:button-face 'bold)
108 (setq tm:mouse-face 'highlight)
110 (defun tm:add-button (from to func &optional data)
111 "Create a button between FROM and TO with callback FUNC and data DATA."
113 (tl:overlay-put (tl:make-overlay from to) 'face tm:button-face))
114 (tl:add-text-properties from to
115 (append (and tm:mouse-face
116 (list 'mouse-face tm:mouse-face))
117 (list 'tm-callback func)
118 (and data (list 'tm-data data))
122 (defvar tm:mother-button-dispatcher nil)
124 (defun tm:button-dispatcher (event)
125 "Select the button under point."
127 (let (buf point func data)
128 (save-window-excursion
129 (mouse-set-point event)
130 (setq buf (current-buffer)
132 func (get-text-property (point) 'tm-callback)
133 data (get-text-property (point) 'tm-data)
141 (if (fboundp tm:mother-button-dispatcher)
142 (funcall tm:mother-button-dispatcher event)
150 (defvar tm:URL-regexp
151 "\\(http\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-a-zA-Z0-9_=?#$@~`%&*+|\\/.,]*[-a-zA-Z0-9_=#$@~`%&*+|\\/]")
153 (defvar browse-url-browser-function nil)
155 (defun tm:browse-url (&optional url)
156 (if (fboundp browse-url-browser-function)
158 (funcall browse-url-browser-function url)
159 (call-interactively browse-url-browser-function))
160 (if (fboundp tm:mother-button-dispatcher)
161 (call-interactively tm:mother-button-dispatcher)
166 ;;; @ definitions about MIME
169 (defconst mime/tspecials "][\000-\040()<>@,\;:\\\"/?.=")
170 (defconst mime/token-regexp (concat "[^" mime/tspecials "]+"))
171 (defconst mime/charset-regexp mime/token-regexp)
173 (defconst mime/content-type-subtype-regexp
174 (concat mime/token-regexp "/" mime/token-regexp))
176 (defconst mime/disposition-type-regexp mime/token-regexp)
182 (defconst base64-token-regexp "[A-Za-z0-9+/=]")
184 (defconst mime/B-encoded-text-regexp
191 (defconst mime/B-encoding-and-encoded-text-regexp
192 (concat "\\(B\\)\\?" mime/B-encoded-text-regexp))
195 ;;; @@ Quoted-Printable
198 (defconst quoted-printable-hex-chars "0123456789ABCDEF")
199 (defconst quoted-printable-octet-regexp
200 (concat "=[" quoted-printable-hex-chars
201 "][" quoted-printable-hex-chars "]"))
203 (defconst mime/Q-encoded-text-regexp
204 (concat "\\([^=?]\\|" quoted-printable-octet-regexp "\\)+"))
205 (defconst mime/Q-encoding-and-encoded-text-regexp
206 (concat "\\(Q\\)\\?" mime/Q-encoded-text-regexp))
211 ;; caesar-region written by phr@prep.ai.mit.edu Nov 86
212 ;; modified by tower@prep Nov 86
213 ;; gnus-caesar-region
214 ;; Modified by umerin@flab.flab.Fujitsu.JUNET for ROT47.
215 (defun tm:caesar-region (&optional n)
216 "Caesar rotation of region by N, default 13, for decrypting netnews.
217 ROT47 will be performed for Japanese text in any case."
218 (interactive (if current-prefix-arg ; Was there a prefix arg?
219 (list (prefix-numeric-value current-prefix-arg))
221 (cond ((not (numberp n)) (setq n 13))
222 (t (setq n (mod n 26)))) ;canonicalize N
223 (if (not (zerop n)) ; no action needed for a rot of 0
225 (if (or (not (boundp 'caesar-translate-table))
226 (/= (aref caesar-translate-table ?a) (+ ?a n)))
227 (let ((i 0) (lower "abcdefghijklmnopqrstuvwxyz") upper)
228 (message "Building caesar-translate-table...")
229 (setq caesar-translate-table (make-vector 256 0))
231 (aset caesar-translate-table i i)
233 (setq lower (concat lower lower) upper (upcase lower) i 0)
235 (aset caesar-translate-table (+ ?a i) (aref lower (+ i n)))
236 (aset caesar-translate-table (+ ?A i) (aref upper (+ i n)))
238 ;; ROT47 for Japanese text.
239 ;; Thanks to ichikawa@flab.fujitsu.junet.
241 (let ((t1 (logior ?O 128))
243 (t3 (logior ?~ 128)))
245 (aset caesar-translate-table i
246 (let ((v (aref caesar-translate-table i)))
247 (if (<= v t1) (if (< v t2) v (+ v 47))
248 (if (<= v t3) (- v 47) v))))
250 (message "Building caesar-translate-table...done")))
251 (let ((from (region-beginning))
254 (setq str (buffer-substring from to))
255 (setq len (length str))
257 (aset str i (aref caesar-translate-table (aref str i)))
260 (delete-region from to)
267 (defun tm:set-fields (sym field-list &optional regexp-sym)
270 (let ((name (symbol-name sym)))
272 (concat (if (string-match "\\(.*\\)-list" name)
273 (substring name 0 (match-end 1))
280 (concat "^" (apply (function regexp-or) field-list) ":"))
283 (defun tm:add-fields (sym field-list &optional regexp-sym)
286 (let ((name (symbol-name sym)))
288 (concat (if (string-match "\\(.*\\)-list" name)
289 (substring name 0 (match-end 1))
294 (let ((fields (eval sym)))
297 (or (member field fields)
298 (setq fields (cons field fields))
304 (concat "^" (apply (function regexp-or) fields) ":"))
308 (defun tm:delete-fields (sym field-list &optional regexp-sym)
311 (let ((name (symbol-name sym)))
313 (concat (if (string-match "\\(.*\\)-list" name)
314 (substring name 0 (match-end 1))
319 (let ((fields (eval sym)))
322 (setq fields (delete field fields))
326 (concat "^" (apply (function regexp-or) fields) ":"))
336 ;;; tm-def.el ends here