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 7.55 1996/07/11 15:26:54 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 ;;; @ 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")
74 (iso-2022-jp-2 7 "base64")
75 (iso-2022-int-1 7 "base64")
78 (defun mime/encoding-name (transfer-level &optional not-omit)
79 (cond ((> transfer-level 8) "binary")
80 ((= transfer-level 8) "8bit")
84 (defun mime/make-charset-default-encoding-alist (transfer-level)
86 (lambda (charset-type)
87 (let ((charset (upcase (symbol-name (car charset-type))))
88 (type (nth 1 charset-type))
89 (encoding (nth 2 charset-type))
91 (if (<= type transfer-level)
92 (cons charset (mime/encoding-name type))
93 (cons charset encoding)
95 mime-charset-type-list))
101 (defvar mime/charset-coding-system-alist
103 (f (if (and running-xemacs-20 (featurep 'mule))
105 (setq csl (coding-system-list))
108 (if (memq (cdr cell) csl)
113 (let ((sym (symbol-concat "*" (cdr cell) "*")))
115 (cons (cons (car cell) (symbol-value sym)) a)
119 '(("ISO-2022-JP" . junet)
120 ("ISO-2022-KR" . iso-2022-kr)
122 ("GB2312" . euc-china)
123 ("ISO-8859-1" . ctext)
124 ("ISO-8859-2" . iso-8859-2)
125 ("ISO-8859-3" . iso-8859-3)
126 ("ISO-8859-4" . iso-8859-4)
127 ("ISO-8859-5" . iso-8859-5)
129 ("ISO-8859-7" . iso-8859-7)
130 ("ISO-8859-8" . iso-8859-8)
131 ("ISO-8859-9" . iso-8859-9)
132 ("ISO-2022-JP-2" . iso-2022-ss2-7)
133 ("X-ISO-2022-JP-2" . iso-2022-ss2-7)
134 ("ISO-2022-INT-1" . iso-2022-int-1)
136 ("X-SHIFTJIS" . sjis)
140 (defvar mime/default-coding-system *ctext*)
142 (defun mime-charset-decode-string (str charset)
143 (let ((cs (assoc charset mime/charset-coding-system-alist)))
145 (character-decode-string str (cdr cs))
148 (defun mime-charset-decode-region (beg end charset &optional encoding)
150 (if (stringp charset)
151 (cdr (assoc (upcase charset) mime/charset-coding-system-alist))
152 mime/default-coding-system)))
154 (character-decode-region beg end ct)
161 (defun tm:set-face-region (b e face)
162 (let ((overlay (tl:make-overlay b e)))
163 (tl:overlay-put overlay 'face face)
166 (setq tm:button-face 'bold)
167 (setq tm:mouse-face 'highlight)
169 (defun tm:add-button (from to func &optional data)
170 "Create a button between FROM and TO with callback FUNC and data DATA."
172 (tl:overlay-put (tl:make-overlay from to) 'face tm:button-face))
173 (tl:add-text-properties from to
174 (append (and tm:mouse-face
175 (list 'mouse-face tm:mouse-face))
176 (list 'tm-callback func)
177 (and data (list 'tm-data data))
181 (defvar tm:mother-button-dispatcher nil)
183 (defun tm:button-dispatcher (event)
184 "Select the button under point."
186 (save-window-excursion
187 (mouse-set-point event)
188 (let ((func (get-text-property (point) 'tm-callback))
189 (data (get-text-property (point) 'tm-data))
193 (if (fboundp tm:mother-button-dispatcher)
194 (funcall tm:mother-button-dispatcher event)
202 (defvar tm:URL-regexp
203 "\\(http\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-a-zA-Z0-9_=?#$@~`%&*+|\\/.,]*[-a-zA-Z0-9_=#$@~`%&*+|\\/]")
205 (defvar browse-url-browser-function nil)
207 (defun tm:browse-url (&optional url)
208 (if (fboundp browse-url-browser-function)
210 (funcall browse-url-browser-function url)
211 (call-interactively browse-url-browser-function))
212 (if (fboundp tm:mother-button-dispatcher)
213 (call-interactively tm:mother-button-dispatcher)
218 ;;; @ definitions about MIME
221 (defconst mime/tspecials "][\000-\040()<>@,\;:\\\"/?.=")
222 (defconst mime/token-regexp (concat "[^" mime/tspecials "]+"))
223 (defconst mime/charset-regexp mime/token-regexp)
225 (defconst mime/content-type-subtype-regexp
226 (concat mime/token-regexp "/" mime/token-regexp))
227 (defconst mime/content-parameter-value-regexp
229 rfc822/quoted-string-regexp
232 (defconst mime/disposition-type-regexp mime/token-regexp)
238 (defconst base64-token-regexp "[A-Za-z0-9+/=]")
240 (defconst mime/B-encoded-text-regexp
247 (defconst mime/B-encoding-and-encoded-text-regexp
248 (concat "\\(B\\)\\?" mime/B-encoded-text-regexp))
251 ;;; @@ Quoted-Printable
254 (defconst quoted-printable-hex-chars "0123456789ABCDEF")
255 (defconst quoted-printable-octet-regexp
256 (concat "=[" quoted-printable-hex-chars
257 "][" quoted-printable-hex-chars "]"))
259 (defconst mime/Q-encoded-text-regexp
260 (concat "\\([^=?]\\|" quoted-printable-octet-regexp "\\)+"))
261 (defconst mime/Q-encoding-and-encoded-text-regexp
262 (concat "\\(Q\\)\\?" mime/Q-encoded-text-regexp))
267 ;; caesar-region written by phr@prep.ai.mit.edu Nov 86
268 ;; modified by tower@prep Nov 86
269 ;; gnus-caesar-region
270 ;; Modified by umerin@flab.flab.Fujitsu.JUNET for ROT47.
271 (defun tm:caesar-region (&optional n)
272 "Caesar rotation of region by N, default 13, for decrypting netnews.
273 ROT47 will be performed for Japanese text in any case."
274 (interactive (if current-prefix-arg ; Was there a prefix arg?
275 (list (prefix-numeric-value current-prefix-arg))
277 (cond ((not (numberp n)) (setq n 13))
278 (t (setq n (mod n 26)))) ;canonicalize N
279 (if (not (zerop n)) ; no action needed for a rot of 0
281 (if (or (not (boundp 'caesar-translate-table))
282 (/= (aref caesar-translate-table ?a) (+ ?a n)))
283 (let ((i 0) (lower "abcdefghijklmnopqrstuvwxyz") upper)
284 (message "Building caesar-translate-table...")
285 (setq caesar-translate-table (make-vector 256 0))
287 (aset caesar-translate-table i i)
289 (setq lower (concat lower lower) upper (upcase lower) i 0)
291 (aset caesar-translate-table (+ ?a i) (aref lower (+ i n)))
292 (aset caesar-translate-table (+ ?A i) (aref upper (+ i n)))
294 ;; ROT47 for Japanese text.
295 ;; Thanks to ichikawa@flab.fujitsu.junet.
297 (let ((t1 (logior ?O 128))
299 (t3 (logior ?~ 128)))
301 (aset caesar-translate-table i
302 (let ((v (aref caesar-translate-table i)))
303 (if (<= v t1) (if (< v t2) v (+ v 47))
304 (if (<= v t3) (- v 47) v))))
306 (message "Building caesar-translate-table...done")))
307 (let ((from (region-beginning))
310 (setq str (buffer-substring from to))
311 (setq len (length str))
313 (aset str i (aref caesar-translate-table (aref str i)))
316 (delete-region from to)
323 (defun tm:set-fields (sym field-list &optional regexp-sym)
326 (let ((name (symbol-name sym)))
328 (concat (if (string-match "\\(.*\\)-list" name)
329 (substring name 0 (match-end 1))
336 (concat "^" (apply (function regexp-or) field-list) ":"))
339 (defun tm:add-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 (or (member field fields)
354 (setq fields (cons field fields))
360 (concat "^" (apply (function regexp-or) fields) ":"))
364 (defun tm:delete-fields (sym field-list &optional regexp-sym)
367 (let ((name (symbol-name sym)))
369 (concat (if (string-match "\\(.*\\)-list" name)
370 (substring name 0 (match-end 1))
375 (let ((fields (eval sym)))
378 (setq fields (delete field fields))
382 (concat "^" (apply (function regexp-or) fields) ":"))
392 ;;; tm-def.el ends here