2 ;;; tm-def.el --- definition module for tm
4 ;;; Copyright (C) 1995 Free Software Foundation, Inc.
5 ;;; Copyright (C) 1995,1996 MORIOKA Tomohiko
7 ;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
9 ;;; $Id: tm-def.el,v 7.13 1996/01/25 02:31:19 morioka Exp $
10 ;;; Keywords: mail, news, MIME, multimedia, definition
12 ;;; This file is part of tm (Tools for MIME).
14 ;;; This program is free software; you can redistribute it and/or
15 ;;; modify it under the terms of the GNU General Public License as
16 ;;; published by the Free Software Foundation; either version 2, or
17 ;;; (at your option) any later version.
19 ;;; This program is distributed in the hope that it will be useful,
20 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 ;;; General Public License for more details.
24 ;;; You should have received a copy of the GNU General Public License
25 ;;; along with This program. If not, write to the Free Software
26 ;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
37 (defvar mime/tmp-dir (or (getenv "TM_TMP_DIR") "/tmp/"))
39 (defvar mime/use-multi-frame
40 (and (>= emacs-major-version 19) window-system))
42 (defvar mime/find-file-function
43 (if mime/use-multi-frame
44 (function find-file-other-frame)
52 (defconst mime/output-buffer-name "*MIME-out*")
53 (defconst mime/temp-buffer-name " *MIME-temp*")
56 ;;; @ for various Emacs variants
59 (cond ((boundp 'MULE) (require 'tm-mule))
60 ((boundp 'NEMACS)(require 'tm-nemacs))
61 (t (require 'tm-orig))
65 ;;; @ charset and encoding
68 (defun mime/find-charset (lcl)
70 (or (cdr (some-element
73 (subsetp lcl (car elt))
75 mime/lc-charset-alist)
80 (defun mime/find-charset-region (beg end)
81 (mime/find-charset (cons lc-ascii (find-charset-region beg end)))
84 (defvar mime/charset-default-encoding-alist
86 ("ISO-8859-1" . "quoted-printable")
87 ("ISO-8859-2" . "quoted-printable")
88 ("ISO-8859-3" . "quoted-printable")
89 ("ISO-8859-4" . "quoted-printable")
90 ;;; ("ISO-8859-5" . "quoted-printable")
91 ("KOI8-R" . "quoted-printable")
92 ("ISO-8859-7" . "quoted-printable")
93 ("ISO-8859-8" . "quoted-printable")
94 ("ISO-8859-9" . "quoted-printable")
98 ("ISO-2022-JP-2" . nil)
99 ("ISO-2022-INT-1" . nil)
106 (defvar mime/default-coding-system *ctext*)
112 (defun tm:set-face-region (b e face)
113 (let ((overlay (tl:make-overlay b e)))
114 (tl:overlay-put overlay 'face face)
117 (setq tm:button-face 'bold)
118 (setq tm:mouse-face 'highlight)
120 (defun tm:add-button (from to func &optional data)
121 "Create a button between FROM and TO with callback FUNC and data DATA."
123 (tl:overlay-put (tl:make-overlay from to) 'face tm:button-face))
124 (tl:add-text-properties from to
125 (append (and tm:mouse-face
126 (list 'mouse-face tm:mouse-face))
127 (list 'tm-callback func)
128 (and data (list 'tm-data data))
132 (defvar tm:mother-button-dispatcher nil)
134 (defun tm:button-dispatcher (event)
135 "Select the button under point."
137 (mouse-set-point event)
138 (let ((func (get-text-property (point) 'tm-callback))
139 (data (get-text-property (point) 'tm-data))
143 (if (fboundp tm:mother-button-dispatcher)
144 (funcall tm:mother-button-dispatcher event)
152 (defvar tm:URL-regexp
153 "\\(http\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-a-zA-Z0-9_=?#$@~`%&*+|\\/.,]*[-a-zA-Z0-9_=#$@~`%&*+|\\/]")
155 (defvar browse-url-browser-function nil)
157 (defun tm:browse-url (&optional url)
158 (if (fboundp browse-url-browser-function)
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))
175 (defconst mime/content-parameter-value-regexp
177 rfc822/quoted-string-regexp
180 (defconst mime/disposition-type-regexp mime/token-regexp)
186 (defconst base64-token-regexp "[A-Za-z0-9+/=]")
188 (defconst mime/B-encoded-text-regexp
195 (defconst mime/B-encoding-and-encoded-text-regexp
196 (concat "\\(B\\)\\?" mime/B-encoded-text-regexp))
199 ;;; @@ Quoted-Printable
202 (defconst quoted-printable-hex-chars "0123456789ABCDEF")
203 (defconst quoted-printable-octet-regexp
204 (concat "=[" quoted-printable-hex-chars
205 "][" quoted-printable-hex-chars "]"))
207 (defconst mime/Q-encoded-text-regexp
208 (concat "\\([^=?]\\|" quoted-printable-octet-regexp "\\)+"))
209 (defconst mime/Q-encoding-and-encoded-text-regexp
210 (concat "\\(Q\\)\\?" mime/Q-encoded-text-regexp))
215 ;; caesar-region written by phr@prep.ai.mit.edu Nov 86
216 ;; modified by tower@prep Nov 86
217 ;; gnus-caesar-region
218 ;; Modified by umerin@flab.flab.Fujitsu.JUNET for ROT47.
219 (defun tm:caesar-region (&optional n)
220 "Caesar rotation of region by N, default 13, for decrypting netnews.
221 ROT47 will be performed for Japanese text in any case."
222 (interactive (if current-prefix-arg ; Was there a prefix arg?
223 (list (prefix-numeric-value current-prefix-arg))
225 (cond ((not (numberp n)) (setq n 13))
226 (t (setq n (mod n 26)))) ;canonicalize N
227 (if (not (zerop n)) ; no action needed for a rot of 0
229 (if (or (not (boundp 'caesar-translate-table))
230 (/= (aref caesar-translate-table ?a) (+ ?a n)))
231 (let ((i 0) (lower "abcdefghijklmnopqrstuvwxyz") upper)
232 (message "Building caesar-translate-table...")
233 (setq caesar-translate-table (make-vector 256 0))
235 (aset caesar-translate-table i i)
237 (setq lower (concat lower lower) upper (upcase lower) i 0)
239 (aset caesar-translate-table (+ ?a i) (aref lower (+ i n)))
240 (aset caesar-translate-table (+ ?A i) (aref upper (+ i n)))
242 ;; ROT47 for Japanese text.
243 ;; Thanks to ichikawa@flab.fujitsu.junet.
245 (let ((t1 (logior ?O 128))
247 (t3 (logior ?~ 128)))
249 (aset caesar-translate-table i
250 (let ((v (aref caesar-translate-table i)))
251 (if (<= v t1) (if (< v t2) v (+ v 47))
252 (if (<= v t3) (- v 47) v))))
254 (message "Building caesar-translate-table...done")))
255 (let ((from (region-beginning))
258 (setq str (buffer-substring from to))
259 (setq len (length str))
261 (aset str i (aref caesar-translate-table (aref str i)))
264 (delete-region from to)
271 (defun tm:set-fields (sym field-list &optional regexp-sym)
274 (let ((name (symbol-name sym)))
276 (concat (if (string-match "\\(.*\\)-list" name)
277 (substring name 0 (match-end 1))
284 (concat "^" (apply (function regexp-or) field-list) ":"))
287 (defun tm:add-fields (sym field-list &optional regexp-sym)
290 (let ((name (symbol-name sym)))
292 (concat (if (string-match "\\(.*\\)-list" name)
293 (substring name 0 (match-end 1))
298 (let ((fields (eval sym)))
301 (or (member field fields)
302 (setq fields (cons field fields))
308 (concat "^" (apply (function regexp-or) fields) ":"))
312 (defun tm:delete-fields (sym field-list &optional regexp-sym)
315 (let ((name (symbol-name sym)))
317 (concat (if (string-match "\\(.*\\)-list" name)
318 (substring name 0 (match-end 1))
323 (let ((fields (eval sym)))
326 (setq fields (delete field fields))
330 (concat "^" (apply (function regexp-or) fields) ":"))
340 ;;; tm-def.el ends here