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 7.12 1996/01/12 13:59:13 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 (defun tm:set-face-region (b e face)
107 (let ((overlay (tl:make-overlay b e)))
108 (tl:overlay-put overlay 'face face)
111 (setq tm:button-face 'bold)
112 (setq tm:mouse-face 'highlight)
114 (defun tm:add-button (from to func &optional data)
115 "Create a button between FROM and TO with callback FUNC and data DATA."
117 (tl:overlay-put (tl:make-overlay from to) 'face tm:button-face))
118 (tl:add-text-properties from to
119 (append (and tm:mouse-face
120 (list 'mouse-face tm:mouse-face))
121 (list 'tm-callback func)
122 (and data (list 'tm-data data))
126 (defvar tm:mother-button-dispatcher nil)
128 (defun tm:button-dispatcher (event)
129 "Select the button under point."
131 (mouse-set-point event)
132 (let ((func (get-text-property (point) 'tm-callback))
133 (data (get-text-property (point) 'tm-data))
137 (if (fboundp tm:mother-button-dispatcher)
138 (funcall tm:mother-button-dispatcher event)
146 (defvar tm:URL-regexp
147 "\\(http\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-a-zA-Z0-9_=?#$@~`%&*+|\\/.,]*[-a-zA-Z0-9_=#$@~`%&*+|\\/]")
149 (defvar browse-url-browser-function nil)
151 (defun tm:browse-url (&optional url)
152 (if (fboundp browse-url-browser-function)
153 (call-interactively browse-url-browser-function)
154 (if (fboundp tm:mother-button-dispatcher)
155 (call-interactively tm:mother-button-dispatcher)
160 ;;; @ definitions about MIME
163 (defconst mime/tspecials "][\000-\040()<>@,\;:\\\"/?.=")
164 (defconst mime/token-regexp (concat "[^" mime/tspecials "]+"))
165 (defconst mime/charset-regexp mime/token-regexp)
167 (defconst mime/content-type-subtype-regexp
168 (concat mime/token-regexp "/" mime/token-regexp))
169 (defconst mime/content-parameter-value-regexp
171 rfc822/quoted-string-regexp
174 (defconst mime/disposition-type-regexp mime/token-regexp)
180 (defconst base64-token-regexp "[A-Za-z0-9+/=]")
182 (defconst mime/B-encoded-text-regexp
189 (defconst mime/B-encoding-and-encoded-text-regexp
190 (concat "\\(B\\)\\?" mime/B-encoded-text-regexp))
193 ;;; @@ Quoted-Printable
196 (defconst quoted-printable-hex-chars "0123456789ABCDEF")
197 (defconst quoted-printable-octet-regexp
198 (concat "=[" quoted-printable-hex-chars
199 "][" quoted-printable-hex-chars "]"))
201 (defconst mime/Q-encoded-text-regexp
202 (concat "\\([^=?]\\|" quoted-printable-octet-regexp "\\)+"))
203 (defconst mime/Q-encoding-and-encoded-text-regexp
204 (concat "\\(Q\\)\\?" mime/Q-encoded-text-regexp))
209 ;; caesar-region written by phr@prep.ai.mit.edu Nov 86
210 ;; modified by tower@prep Nov 86
211 ;; gnus-caesar-region
212 ;; Modified by umerin@flab.flab.Fujitsu.JUNET for ROT47.
213 (defun tm:caesar-region (&optional n)
214 "Caesar rotation of region by N, default 13, for decrypting netnews.
215 ROT47 will be performed for Japanese text in any case."
216 (interactive (if current-prefix-arg ; Was there a prefix arg?
217 (list (prefix-numeric-value current-prefix-arg))
219 (cond ((not (numberp n)) (setq n 13))
220 (t (setq n (mod n 26)))) ;canonicalize N
221 (if (not (zerop n)) ; no action needed for a rot of 0
223 (if (or (not (boundp 'caesar-translate-table))
224 (/= (aref caesar-translate-table ?a) (+ ?a n)))
225 (let ((i 0) (lower "abcdefghijklmnopqrstuvwxyz") upper)
226 (message "Building caesar-translate-table...")
227 (setq caesar-translate-table (make-vector 256 0))
229 (aset caesar-translate-table i i)
231 (setq lower (concat lower lower) upper (upcase lower) i 0)
233 (aset caesar-translate-table (+ ?a i) (aref lower (+ i n)))
234 (aset caesar-translate-table (+ ?A i) (aref upper (+ i n)))
236 ;; ROT47 for Japanese text.
237 ;; Thanks to ichikawa@flab.fujitsu.junet.
239 (let ((t1 (logior ?O 128))
241 (t3 (logior ?~ 128)))
243 (aset caesar-translate-table i
244 (let ((v (aref caesar-translate-table i)))
245 (if (<= v t1) (if (< v t2) v (+ v 47))
246 (if (<= v t3) (- v 47) v))))
248 (message "Building caesar-translate-table...done")))
249 (let ((from (region-beginning))
252 (setq str (buffer-substring from to))
253 (setq len (length str))
255 (aset str i (aref caesar-translate-table (aref str i)))
258 (delete-region from to)
265 (defun tm:set-fields (sym field-list &optional regexp-sym)
268 (let ((name (symbol-name sym)))
270 (concat (if (string-match "\\(.*\\)-list" name)
271 (substring name 0 (match-end 1))
278 (concat "^" (apply (function regexp-or) field-list) ":"))
281 (defun tm:add-fields (sym field-list &optional regexp-sym)
284 (let ((name (symbol-name sym)))
286 (concat (if (string-match "\\(.*\\)-list" name)
287 (substring name 0 (match-end 1))
292 (let ((fields (eval sym)))
295 (or (member field fields)
296 (setq fields (cons field fields))
302 (concat "^" (apply (function regexp-or) fields) ":"))
306 (defun tm:delete-fields (sym field-list &optional regexp-sym)
309 (let ((name (symbol-name sym)))
311 (concat (if (string-match "\\(.*\\)-list" name)
312 (substring name 0 (match-end 1))
317 (let ((fields (eval sym)))
320 (setq fields (delete field fields))
324 (concat "^" (apply (function regexp-or) fields) ":"))
334 ;;; tm-def.el ends here