;;; rfc2231.el --- Functions for decoding rfc2231 headers
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-;; 2006, 2007 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2012 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; The most likely cause of an error is unbalanced parentheses
;; or double-quotes. If all parentheses and double-quotes are
;; quoted meaninglessly with backslashes, removing them might
- ;; make it parseable. Let's try...
+ ;; make it parsable. Let's try...
(error
(let (mod)
(when (and (string-match "\\\\\"" string)
in (sort parameters (lambda (e1 e2)
(< (or (caddr e1) 0)
(or (caddr e2) 0))))
- do (if (or (not (setq elem (assq attribute cparams)))
- (and (numberp part)
- (zerop part)))
- (push (list attribute value encoded) cparams)
- (setcar (cdr elem) (concat (cadr elem) value))))
+ do (cond
+ ;; First part.
+ ((or (not (setq elem (assq attribute cparams)))
+ (and (numberp part)
+ (zerop part)))
+ (push (list attribute value encoded) cparams))
+ ;; Repetition of a part; do nothing.
+ ((and elem
+ (null number))
+ )
+ ;; Concatenate continuation parts.
+ (t
+ (setcar (cdr elem) (concat (cadr elem) value)))))
;; Finally decode encoded values.
(cons type (mapcar
(lambda (elem)
(mm-with-unibyte-buffer
(insert value)
(goto-char (point-min))
- (while (search-forward "%" nil t)
+ (while (re-search-forward "%\\([0-9A-Fa-f][0-9A-Fa-f]\\)" nil t)
(insert
(prog1
- (string-to-number (buffer-substring (point) (+ (point) 2)) 16)
- (delete-region (1- (point)) (+ (point) 2)))))
+ (string-to-number (match-string 1) 16)
+ (delete-region (match-beginning 0) (match-end 0)))))
;; Decode using the charset, if any.
(if (memq coding-system '(nil ascii))
(buffer-string)
(provide 'rfc2231)
-;;; arch-tag: c3ab751d-d108-406a-b301-68882ad8cd63
;;; rfc2231.el ends here