;;; mail-utils.el --- utility functions used both by rmail and rnews
-;; Copyright (C) 1985, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007 Free Software Foundation, Inc.
+;; Copyright (C) 1985, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
+;; 2009, 2010 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: mail, news
;; 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
;; 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:
(require 'lisp-mode)
;;;###autoload
-(defcustom mail-use-rfc822 nil "\
-*If non-nil, use a full, hairy RFC822 parser on mail addresses.
+(defcustom mail-use-rfc822 nil
+ "If non-nil, use a full, hairy RFC822 parser on mail addresses.
Otherwise, (the default) use a smaller, somewhat faster, and
often correct parser."
:type 'boolean
;; Returns t if file FILE is an Rmail file.
;;;###autoload
(defun mail-file-babyl-p (file)
- (let ((buf (generate-new-buffer " *rmail-file-p*")))
- (unwind-protect
- (save-excursion
- (set-buffer buf)
- (insert-file-contents file nil 0 100)
- (looking-at "BABYL OPTIONS:"))
- (kill-buffer buf))))
+ "Return non-nil if FILE is a Babyl file."
+ (with-temp-buffer
+ (insert-file-contents file nil 0 100)
+ (looking-at "BABYL OPTIONS:")))
(defun mail-string-delete (string start end)
"Returns a string containing all of STRING except the part
"?=")
(concat result (substring string i))))))
+;;;###autoload
+(defun mail-quote-printable-region (beg end &optional wrapper)
+ "Convert the region to the \"quoted printable\" Q encoding.
+If the optional argument WRAPPER is non-nil,
+we add the wrapper characters =?ISO-8859-1?Q?....?=."
+ (interactive "r\nP")
+ (save-match-data
+ (save-excursion
+ (goto-char beg)
+ (save-restriction
+ (narrow-to-region beg end)
+ (while (re-search-forward "[?=\"\200-\377]" nil t)
+ (replace-match (upcase (format "=%02x" (preceding-char)))
+ t t))
+ (when wrapper
+ (goto-char beg)
+ (insert "=?ISO-8859-1?Q?")
+ (goto-char end)
+ (insert "?="))))))
+
(defun mail-unquote-printable-hexdigit (char)
(setq char (upcase char))
(if (>= char ?A)
(setq i (match-end 0)))
(apply 'concat (nreverse (cons (substring string i) strings))))))
+;; FIXME Gnus for some reason has `quoted-printable-decode-region' in qp.el.
;;;###autoload
(defun mail-unquote-printable-region (beg end &optional wrapper noerror
unibyte)
"Undo the \"quoted printable\" encoding in buffer from BEG to END.
If the optional argument WRAPPER is non-nil,
we expect to find and remove the wrapper characters =?ISO-8859-1?Q?....?=.
-If NOERROR is non-nil, return t if successful.
+On encountering malformed quoted-printable text, exits with an error,
+unless NOERROR is non-nil, in which case it continues, and returns nil
+when finished. Returns non-nil on successful completion.
If UNIBYTE is non-nil, insert converted characters as unibyte.
That is useful if you are going to character code decoding afterward,
as Rmail does."
+ ;; FIXME: `unibyte' should always be non-nil, and the iso-latin-1
+ ;; specific handling should be removed (or moved elsewhere and generalized).
(interactive "r\nP")
(let (failed)
(save-match-data
(if unibyte
(progn
(replace-match "")
- ;; insert-char will insert this as unibyte,
- (insert-char char 1))
+ ;; insert-byte will insert this as a
+ ;; corresponding eight-bit character.
+ (insert-byte char 1))
(replace-match (make-string 1 char) t t))))
(noerror
(setq failed t))
"Prune addresses from DESTINATIONS, a list of recipient addresses.
All addresses matching `rmail-dont-reply-to-names' are removed from
the comma-separated list. The pruned list is returned."
+ ;; FIXME this (setting a user option the first time a command is used)
+ ;; is somewhat strange. Normally one would never set the option,
+ ;; but instead fall back to the default so long as it was nil.
+ ;; Or just set the default directly in the defcustom.
(if (null rmail-dont-reply-to-names)
(setq rmail-dont-reply-to-names
(concat (if rmail-default-dont-reply-to-names
;;;###autoload
(defun mail-fetch-field (field-name &optional last all list)
"Return the value of the header field whose type is FIELD-NAME.
-The buffer is expected to be narrowed to just the header of the message.
If second arg LAST is non-nil, use the last field of type FIELD-NAME.
If third arg ALL is non-nil, concatenate all such fields with commas between.
-If 4th arg LIST is non-nil, return a list of all such fields."
+If 4th arg LIST is non-nil, return a list of all such fields.
+The buffer should be narrowed to just the header, else false
+matches may be returned from the message body."
(save-excursion
(goto-char (point-min))
(let ((case-fold-search t)
(substring s (match-beginning 3) (match-end 3)) " "
(mail-rfc822-time-zone time))))
+(defun mail-mbox-from ()
+ "Return an mbox \"From \" line for the current message.
+The buffer should be narrowed to just the header."
+ (let ((from (or (mail-fetch-field "from")
+ (mail-fetch-field "really-from")
+ (mail-fetch-field "sender")
+ "unknown"))
+ (date (mail-fetch-field "date")))
+ (format "From %s %s\n" (mail-strip-quoted-names from)
+ (or (and date
+ (ignore-errors
+ (current-time-string (date-to-time date))))
+ (current-time-string)))))
+
(provide 'mail-utils)
-;;; arch-tag: b24aec2f-fd65-4ceb-9e39-3cc2827036fd
+;; arch-tag: b24aec2f-fd65-4ceb-9e39-3cc2827036fd
;;; mail-utils.el ends here