lisp/gnus/rfc2045.el

   1 ;;; rfc2045.el --- Functions for decoding rfc2045 headers
   2
   3 ;; Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004,
   4 ;;   2005 Free Software Foundation, Inc.
   5
   6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software; you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation; either version 2, or (at your option)
  12 ;; any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  21 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22 ;; Boston, MA 02110-1301, USA.
  23
  24 ;; RFC 2045 is: "Multipurpose Internet Mail Extensions (MIME) Part
  25 ;; One:  Format of Internet Message Bodies".
  26
  27 ;;; Commentary:
  28
  29 ;;; Code:
  30
  31 (require 'ietf-drums)
  32
  33 (defun rfc2045-encode-string (param value)
  34   "Return and PARAM=VALUE string encoded according to RFC2045."
  35   (if (or (string-match (concat "[" ietf-drums-no-ws-ctl-token "]") value)
  36           (string-match (concat "[" ietf-drums-tspecials "]") value)
  37           (string-match "[ \n\t]" value)
  38           (not (string-match (concat "[" ietf-drums-text-token "]") value)))
  39       (concat param "=" (format "%S" value))
  40     (concat param "=" value)))
  41
  42 (provide 'rfc2045)
  43
  44 ;;; arch-tag: 9ca54127-97bc-432c-b6e2-8c59cadba306
  45 ;;; rfc2045.el ends here