lisp/gnus/rfc2045.el

   1 ;;; rfc2045.el --- functions for decoding rfc2045 headers
   2
   3 ;; Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
   4
   5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
   6 ;; This file is part of GNU Emacs.
   7
   8 ;; GNU Emacs is free software; you can redistribute it and/or modify
   9 ;; it under the terms of the GNU General Public License as published by
  10 ;; the Free Software Foundation; either version 2, or (at your option)
  11 ;; any later version.
  12
  13 ;; GNU Emacs is distributed in the hope that it will be useful,
  14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;; GNU General Public License for more details.
  17
  18 ;; You should have received a copy of the GNU General Public License
  19 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  20 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  21 ;; Boston, MA 02111-1307, USA.
  22
  23 ;; RFC 2045 is: "Multipurpose Internet Mail Extensions (MIME) Part
  24 ;; One:  Format of Internet Message Bodies".
  25
  26 ;;; Commentary:
  27
  28 ;;; Code:
  29
  30 (require 'ietf-drums)
  31
  32 (defun rfc2045-encode-string (param value)
  33   "Return and PARAM=VALUE string encoded according to RFC2045."
  34   (if (or (string-match (concat "[" ietf-drums-no-ws-ctl-token "]") value)
  35           (string-match (concat "[" ietf-drums-tspecials "]") value)
  36           (string-match "[ \n\t]" value)
  37           (not (string-match (concat "[" ietf-drums-text-token "]") value)))
  38       (concat param "=" (format "%S" value))
  39     (concat param "=" value)))
  40
  41 (provide 'rfc2045)
  42
  43 ;;; rfc2045.el ends here