;;; mm-bodies.el --- Functions for decoding MIME things
-;; Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+
+;; Copyright (C) 1998, 1999, 2000, 2001, 2003
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
(defcustom mm-body-charset-encoding-alist
'((iso-2022-jp . 7bit)
- (iso-2022-jp-2 . 7bit))
+ (iso-2022-jp-2 . 7bit)
+ ;; We MUST encode UTF-16 because it can contain \0's which is
+ ;; known to break servers.
+ (utf-16 . base64)
+ (utf-16be . base64)
+ (utf-16le . base64))
"Alist of MIME charsets to encodings.
Valid encodings are `7bit', `8bit', `quoted-printable' and `base64'."
:type '(repeat (cons (symbol :tag "charset")
charset)
(goto-char (point-min))
(let ((charsets (mm-find-mime-charset-region (point-min) (point-max)
- mm-hack-charsets))
- start)
+ mm-hack-charsets)))
(cond
;; No encoding.
((null charsets)
charsets)
;; We encode.
(t
- (setq charset (car charsets))
- (while (not (eobp))
- (if (eq (mm-charset-after) 'ascii)
- (when start
- (save-restriction
- (narrow-to-region start (point))
- (mm-encode-coding-region
- start (point) (mm-charset-to-coding-system charset))
- (goto-char (point-max)))
- (setq start nil))
- (unless start
- (setq start (point))))
- (forward-char 1))
- (when start
- (mm-encode-coding-region start (point)
- (mm-charset-to-coding-system charset))
- (setq start nil))
- charset)))))))
+ (prog1
+ (setq charset (car charsets))
+ (mm-encode-coding-region (point-min) (point-max)
+ (mm-charset-to-coding-system charset))))
+ ))))))
(defun mm-long-lines-p (length)
"Say whether any of the lines in the buffer is longer than LINES."
(defun mm-body-encoding (charset &optional encoding)
"Do Content-Transfer-Encoding and return the encoding of the current buffer."
+ (when (stringp encoding)
+ (setq encoding (intern (downcase encoding))))
(let ((bits (mm-body-7-or-8))
(longp (mm-long-lines-p 1000)))
(require 'message)
bits)
((and (not mm-use-ultra-safe-encoding)
(not longp)
+ (not (cdr (assq charset mm-body-charset-encoding-alist)))
(or (eq t (cdr message-posting-charset))
(memq charset (cdr message-posting-charset))
(eq charset mail-parse-charset)))
(require 'mm-uu)
(funcall mm-uu-binhex-decode-function (point-min) (point-max))
t)
+ ((eq encoding 'x-yenc)
+ (require 'mm-uu)
+ (funcall mm-uu-yenc-decode-function (point-min) (point-max))
+ )
((functionp encoding)
(funcall encoding (point-min) (point-max))
t)
(message "Error while decoding: %s" error)
nil))
(when (and
- (memq encoding '(base64 x-uuencode x-uue x-binhex))
+ (memq encoding '(base64 x-uuencode x-uue x-binhex x-yenc))
(equal type "text/plain"))
(goto-char (point-min))
(while (search-forward "\r\n" nil t)
(defun mm-decode-body (charset &optional encoding type)
"Decode the current article that has been encoded with ENCODING.
-The characters in CHARSET should then be decoded."
- (if (stringp charset)
- (setq charset (intern (downcase charset))))
- (if (or (not charset)
- (eq 'gnus-all mail-parse-ignored-charsets)
- (memq 'gnus-all mail-parse-ignored-charsets)
- (memq charset mail-parse-ignored-charsets))
- (setq charset mail-parse-charset))
+The characters in CHARSET should then be decoded. If FORCE is non-nil
+use the supplied charset unconditionally."
+ (when (stringp charset)
+ (setq charset (intern (downcase charset))))
+ (when (or (not charset)
+ (eq 'gnus-all mail-parse-ignored-charsets)
+ (memq 'gnus-all mail-parse-ignored-charsets)
+ (memq charset mail-parse-ignored-charsets))
+ (setq charset mail-parse-charset))
(save-excursion
(when encoding
(mm-decode-content-transfer-encoding encoding type))
(or (not (eq coding-system 'ascii))
(setq coding-system mail-parse-charset))
(not (eq coding-system 'gnus-decoded)))
- (mm-decode-coding-region (point-min) (point-max) coding-system))))))
+ (mm-decode-coding-region (point-min) (point-max)
+ coding-system))
+ (setq buffer-file-coding-system
+ (if (boundp 'last-coding-system-used)
+ (symbol-value 'last-coding-system-used)
+ coding-system))))))
(defun mm-decode-string (string charset)
"Decode STRING with CHARSET."