X-Git-Url: http://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Frfc2231.el;h=48aa89c975721a897c59afc04ca2975ad0773029;hb=5beb390633ce1e32cdf319c6ba19926244bbfdf2;hp=05a3440e22aaba2fd4f4239a28e1d521e5d5d3d4;hpb=8982d6bef0da4b9d53d2e62f8aef7fb75cd581fb;p=gnus diff --git a/lisp/rfc2231.el b/lisp/rfc2231.el index 05a3440e2..48aa89c97 100644 --- a/lisp/rfc2231.el +++ b/lisp/rfc2231.el @@ -1,25 +1,22 @@ ;;; rfc2231.el --- Functions for decoding rfc2231 headers -;; Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2005, -;; 2006 Free Software Foundation, Inc. +;; Copyright (C) 1998-2012 Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen ;; 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 . ;;; Commentary: @@ -61,7 +58,7 @@ must never cause a Lisp error." ;; 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) @@ -162,14 +159,14 @@ must never cause a Lisp error." (buffer-substring (point) (progn - (forward-sexp) - ;; We might not have reached at the end of - ;; the value because of non-ascii chars, - ;; so we should jump over them if any. - (while (and (not (eobp)) - (> (char-after) ?\177)) + ;; Jump over asterisk, non-ASCII + ;; and non-boundary characters. + (while (and c + (or (eq c ?*) + (> c ?\177) + (not (eq (char-syntax c) ? )))) (forward-char 1) - (forward-sexp)) + (setq c (char-after))) (point))))) (t (error "Invalid header: %s" string))) @@ -187,11 +184,19 @@ must never cause a Lisp error." 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) @@ -216,11 +221,11 @@ These look like: (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) @@ -298,5 +303,4 @@ the result of this function." (provide 'rfc2231) -;;; arch-tag: c3ab751d-d108-406a-b301-68882ad8cd63 ;;; rfc2231.el ends here