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comparison lisp/tm/tm-def.el @ 4:b82b59fe008d r19-15b3

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date Mon, 13 Aug 2007 08:46:56 +0200
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3:30df88044ec6 4:b82b59fe008d
1 ;;; tm-def.el --- definition module for tm
2
3 ;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
4
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Version: $Id: tm-def.el,v 1.1.1.1 1996/12/18 03:55:31 steve Exp $
7 ;; Keywords: mail, news, MIME, multimedia, definition
8
9 ;; This file is part of tm (Tools for MIME).
10
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.
15
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.
20
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.
25
26 ;;; Code:
27
28 (require 'emu)
29
30
31 ;;; @ variables
32 ;;;
33
34 (defvar mime/tmp-dir (or (getenv "TM_TMP_DIR") "/tmp/"))
35
36 (defvar mime/use-multi-frame
37 (and (>= emacs-major-version 19) window-system))
38
39 (defvar mime/find-file-function
40 (if mime/use-multi-frame
41 (function find-file-other-frame)
42 (function find-file)
43 ))
44
45 (defvar mime/output-buffer-window-is-shared-with-bbdb t
46 "*If t, mime/output-buffer window is shared with BBDB window.")
47
48
49 ;;; @ constants
50 ;;;
51
52 (defconst mime/output-buffer-name "*MIME-out*")
53 (defconst mime/temp-buffer-name " *MIME-temp*")
54
55
56 ;;; @ charset and encoding
57 ;;;
58
59 (defvar mime-charset-type-list
60 '((us-ascii 7 nil)
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")
72 (euc-kr 8 "base64")
73 (gb2312 8 "quoted-printable")
74 (big5 8 "base64")
75 (iso-2022-jp-2 7 "base64")
76 (iso-2022-int-1 7 "base64")
77 ))
78
79 (defun mime/encoding-name (transfer-level &optional not-omit)
80 (cond ((> transfer-level 8) "binary")
81 ((= transfer-level 8) "8bit")
82 (not-omit "7bit")
83 ))
84
85 (defun mime/make-charset-default-encoding-alist (transfer-level)
86 (mapcar (function
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))
91 )
92 (if (<= type transfer-level)
93 (cons charset (mime/encoding-name type))
94 (cons charset encoding)
95 ))))
96 mime-charset-type-list))
97
98
99 ;;; @ button
100 ;;;
101
102 (defun tm:set-face-region (b e face)
103 (let ((overlay (tl:make-overlay b e)))
104 (tl:overlay-put overlay 'face face)
105 ))
106
107 (setq tm:button-face 'bold)
108 (setq tm:mouse-face 'highlight)
109
110 (defun tm:add-button (from to func &optional data)
111 "Create a button between FROM and TO with callback FUNC and data DATA."
112 (and tm:button-face
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))
119 ))
120 )
121
122 (defvar tm:mother-button-dispatcher nil)
123
124 (defun tm:button-dispatcher (event)
125 "Select the button under point."
126 (interactive "e")
127 (let (buf point func data)
128 (save-window-excursion
129 (mouse-set-point event)
130 (setq buf (current-buffer)
131 point (point)
132 func (get-text-property (point) 'tm-callback)
133 data (get-text-property (point) 'tm-data)
134 )
135 )
136 (save-excursion
137 (set-buffer buf)
138 (goto-char point)
139 (if func
140 (apply func data)
141 (if (fboundp tm:mother-button-dispatcher)
142 (funcall tm:mother-button-dispatcher event)
143 )
144 ))))
145
146
147 ;;; @ for URL
148 ;;;
149
150 (defvar tm:URL-regexp
151 "\\(http\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-a-zA-Z0-9_=?#$@~`%&*+|\\/.,]*[-a-zA-Z0-9_=#$@~`%&*+|\\/]")
152
153 (defvar browse-url-browser-function nil)
154
155 (defun tm:browse-url (&optional url)
156 (if (fboundp browse-url-browser-function)
157 (if url
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)
162 )
163 ))
164
165
166 ;;; @ definitions about MIME
167 ;;;
168
169 (defconst mime/tspecials "][\000-\040()<>@,\;:\\\"/?.=")
170 (defconst mime/token-regexp (concat "[^" mime/tspecials "]+"))
171 (defconst mime/charset-regexp mime/token-regexp)
172
173 (defconst mime/content-type-subtype-regexp
174 (concat mime/token-regexp "/" mime/token-regexp))
175
176 (defconst mime/disposition-type-regexp mime/token-regexp)
177
178
179 ;;; @@ Base64
180 ;;;
181
182 (defconst base64-token-regexp "[A-Za-z0-9+/=]")
183 (defconst base64-token-padding-regexp "[A-Za-z0-9+/=]")
184
185 (defconst mime/B-encoded-text-regexp
186 (concat "\\(\\("
187 base64-token-regexp
188 base64-token-regexp
189 base64-token-regexp
190 base64-token-regexp
191 "\\)*"
192 base64-token-regexp
193 base64-token-regexp
194 base64-token-padding-regexp
195 base64-token-padding-regexp
196 "\\)"))
197
198 (defconst mime/B-encoding-and-encoded-text-regexp
199 (concat "\\(B\\)\\?" mime/B-encoded-text-regexp))
200
201
202 ;;; @@ Quoted-Printable
203 ;;;
204
205 (defconst quoted-printable-hex-chars "0123456789ABCDEF")
206 (defconst quoted-printable-octet-regexp
207 (concat "=[" quoted-printable-hex-chars
208 "][" quoted-printable-hex-chars "]"))
209
210 (defconst mime/Q-encoded-text-regexp
211 (concat "\\([^=?]\\|" quoted-printable-octet-regexp "\\)+"))
212 (defconst mime/Q-encoding-and-encoded-text-regexp
213 (concat "\\(Q\\)\\?" mime/Q-encoded-text-regexp))
214
215
216 ;;; @ rot13-47
217 ;;;
218 ;; caesar-region written by phr@prep.ai.mit.edu Nov 86
219 ;; modified by tower@prep Nov 86
220 ;; gnus-caesar-region
221 ;; Modified by umerin@flab.flab.Fujitsu.JUNET for ROT47.
222 (defun tm:caesar-region (&optional n)
223 "Caesar rotation of region by N, default 13, for decrypting netnews.
224 ROT47 will be performed for Japanese text in any case."
225 (interactive (if current-prefix-arg ; Was there a prefix arg?
226 (list (prefix-numeric-value current-prefix-arg))
227 (list nil)))
228 (cond ((not (numberp n)) (setq n 13))
229 (t (setq n (mod n 26)))) ;canonicalize N
230 (if (not (zerop n)) ; no action needed for a rot of 0
231 (progn
232 (if (or (not (boundp 'caesar-translate-table))
233 (/= (aref caesar-translate-table ?a) (+ ?a n)))
234 (let ((i 0) (lower "abcdefghijklmnopqrstuvwxyz") upper)
235 (message "Building caesar-translate-table...")
236 (setq caesar-translate-table (make-vector 256 0))
237 (while (< i 256)
238 (aset caesar-translate-table i i)
239 (setq i (1+ i)))
240 (setq lower (concat lower lower) upper (upcase lower) i 0)
241 (while (< i 26)
242 (aset caesar-translate-table (+ ?a i) (aref lower (+ i n)))
243 (aset caesar-translate-table (+ ?A i) (aref upper (+ i n)))
244 (setq i (1+ i)))
245 ;; ROT47 for Japanese text.
246 ;; Thanks to ichikawa@flab.fujitsu.junet.
247 (setq i 161)
248 (let ((t1 (logior ?O 128))
249 (t2 (logior ?! 128))
250 (t3 (logior ?~ 128)))
251 (while (< i 256)
252 (aset caesar-translate-table i
253 (let ((v (aref caesar-translate-table i)))
254 (if (<= v t1) (if (< v t2) v (+ v 47))
255 (if (<= v t3) (- v 47) v))))
256 (setq i (1+ i))))
257 (message "Building caesar-translate-table...done")))
258 (let ((from (region-beginning))
259 (to (region-end))
260 (i 0) str len)
261 (setq str (buffer-substring from to))
262 (setq len (length str))
263 (while (< i len)
264 (aset str i (aref caesar-translate-table (aref str i)))
265 (setq i (1+ i)))
266 (goto-char from)
267 (delete-region from to)
268 (insert str)))))
269
270
271 ;;; @ field
272 ;;;
273
274 (defun tm:set-fields (sym field-list &optional regexp-sym)
275 (or regexp-sym
276 (setq regexp-sym
277 (let ((name (symbol-name sym)))
278 (intern
279 (concat (if (string-match "\\(.*\\)-list" name)
280 (substring name 0 (match-end 1))
281 name)
282 "-regexp")
283 )))
284 )
285 (set sym field-list)
286 (set regexp-sym
287 (concat "^" (apply (function regexp-or) field-list) ":"))
288 )
289
290 (defun tm:add-fields (sym field-list &optional regexp-sym)
291 (or regexp-sym
292 (setq regexp-sym
293 (let ((name (symbol-name sym)))
294 (intern
295 (concat (if (string-match "\\(.*\\)-list" name)
296 (substring name 0 (match-end 1))
297 name)
298 "-regexp")
299 )))
300 )
301 (let ((fields (eval sym)))
302 (mapcar (function
303 (lambda (field)
304 (or (member field fields)
305 (setq fields (cons field fields))
306 )
307 ))
308 (reverse field-list)
309 )
310 (set regexp-sym
311 (concat "^" (apply (function regexp-or) fields) ":"))
312 (set sym fields)
313 ))
314
315 (defun tm:delete-fields (sym field-list &optional regexp-sym)
316 (or regexp-sym
317 (setq regexp-sym
318 (let ((name (symbol-name sym)))
319 (intern
320 (concat (if (string-match "\\(.*\\)-list" name)
321 (substring name 0 (match-end 1))
322 name)
323 "-regexp")
324 )))
325 )
326 (let ((fields (eval sym)))
327 (mapcar (function
328 (lambda (field)
329 (setq fields (delete field fields))
330 ))
331 field-list)
332 (set regexp-sym
333 (concat "^" (apply (function regexp-or) fields) ":"))
334 (set sym fields)
335 ))
336
337
338 ;;; @ end
339 ;;;
340
341 (provide 'tm-def)
342
343 ;;; tm-def.el ends here