1 ;;; mime-def.el --- definition module about MIME
3 ;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Keywords: definition, MIME, multimedia, mail, news
8 ;; This file is part of FLIM (Faithful Library about Internet Message).
10 ;; This program is free software; you can redistribute it and/or
11 ;; modify it under the terms of the GNU General Public License as
12 ;; published by the Free Software Foundation; either version 2, or (at
13 ;; your option) any later version.
15 ;; This program is distributed in the hope that it will be useful, but
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ;; General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 (defconst mime-spadework-module-version-string
28 "FLIM 1.2.1 - \"Kamitobaguchi\"")
37 "Emacs MIME Interfaces"
41 (custom-handle-keyword 'default-mime-charset :group 'mime
44 (defcustom mime-temp-directory (or (getenv "MIME_TMP_DIR")
50 "*Directory for temporary files."
55 ;;; @ required functions
58 (unless (fboundp 'butlast)
59 (defun butlast (x &optional n)
60 "Returns a copy of LIST with the last N elements removed."
61 (if (and n (<= n 0)) x
62 (nbutlast (copy-sequence x) n)))
64 (defun nbutlast (x &optional n)
65 "Modifies LIST to remove the last N elements."
70 (if (> n 0) (setcdr (nthcdr (- (1- m) n) x) nil))
74 (defsubst eliminate-top-spaces (string)
75 "Eliminate top sequence of space or tab in STRING."
76 (if (string-match "^[ \t]+" string)
77 (substring string (match-end 0))
81 ;;; @ definitions about MIME
84 (defconst mime-tspecials "][()<>@,\;:\\\"/?=")
85 (defconst mime-token-regexp (concat "[^" mime-tspecials "\000-\040]+"))
86 (defconst mime-charset-regexp mime-token-regexp)
88 (defconst mime-media-type/subtype-regexp
89 (concat mime-token-regexp "/" mime-token-regexp))
92 ;;; @@ Quoted-Printable
95 (defconst quoted-printable-hex-chars "0123456789ABCDEF")
97 (defconst quoted-printable-octet-regexp
98 (concat "=[" quoted-printable-hex-chars
99 "][" quoted-printable-hex-chars "]"))
105 (defsubst mime-type/subtype-string (type &optional subtype)
106 "Return type/subtype string from TYPE and SUBTYPE."
109 (format "%s/%s" type subtype)
110 (format "%s" type))))
118 ;;; mime-def.el ends here