;;; mm-decode.el --- Functions for decoding MIME things
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
-;; Free Software Foundation, Inc.
+
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+;; 2005 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; 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., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
(autoload 'mm-inline-external-body "mm-extern")
(autoload 'mm-insert-inline "mm-view"))
+(defvar gnus-current-window-configuration)
+
(add-hook 'gnus-exit-gnus-hook 'mm-destroy-postponed-undisplay-list)
(defgroup mime-display ()
`lynx' : use lynx;
`html2text' : use html2text;
nil : use external viewer."
- :version "21.4"
+ :version "22.1"
:type '(choice (const w3)
(const w3m)
(const w3m-standalone)
"If non-nil, Gnus will allow retrieving images in HTML contents with
the <img> tags. It has no effect on Emacs/w3. See also the
documentation for the `mm-w3m-safe-url-regexp' variable."
- :version "21.4"
+ :version "22.1"
:type 'boolean
:group 'mime-display)
matches parts embedded to the Multipart/Related type MIME contents and
Gnus will never connect to the spammer's site arbitrarily. You may
set this variable to nil if you consider all urls to be safe."
- :version "21.4"
+ :version "22.1"
:type '(choice (regexp :tag "Regexp")
(const :tag "All URLs are safe" nil))
:group 'mime-display)
(defcustom mm-inline-text-html-with-w3m-keymap t
"If non-nil, use emacs-w3m command keys in the article buffer."
- :version "21.4"
+ :version "22.1"
:type 'boolean
:group 'mime-display)
If t, all defined external MIME handlers are used. If nil, files are saved by
`mailcap-save-binary-file'. If it is the symbol `ask', you are prompted
before the external MIME handler is invoked."
- :version "21.4"
+ :version "22.1"
:type '(choice (const :tag "Always" t)
(const :tag "Never" nil)
(const :tag "Ask" ask))
("text/richtext" mm-inline-text identity)
("text/x-patch" mm-display-patch-inline
(lambda (handle)
- (locate-library "diff-mode")))
+ ;; If the diff-mode.el package is installed, the function is
+ ;; autoloaded. Checking (locate-library "diff-mode") would be trying
+ ;; to cater to broken installations. OTOH checking the function
+ ;; makes it possible to install another package which provides an
+ ;; alternative implementation of diff-mode. --Stef
+ (fboundp 'diff-mode)))
("application/emacs-lisp" mm-display-elisp-inline identity)
("application/x-emacs-lisp" mm-display-elisp-inline identity)
("text/dns" mm-display-dns-inline identity)
"application/pdf" "application/x-dvi")
"List of media types for which the external viewer will not be killed
when selecting a different article."
- :version "21.4"
+ :version "22.1"
:type '(repeat string)
:group 'mime-display)
(defcustom mm-automatic-display
- '("text/plain" "text/enriched" "text/richtext" "text/html"
+ '("text/plain" "text/enriched" "text/richtext" "text/html" "text/x-verbatim"
"text/x-vcard" "image/.*" "message/delivery-status" "multipart/.*"
"message/rfc822" "text/x-patch" "text/dns" "application/pgp-signature"
"application/emacs-lisp" "application/x-emacs-lisp"
(defcustom mm-attachment-file-modes 384
"Set the mode bits of saved attachments to this integer."
- :version "21.4"
+ :version "22.1"
:type 'integer
:group 'mime-display)
(defcustom mm-external-terminal-program "xterm"
"The program to start an external terminal."
- :version "21.4"
+ :version "22.1"
:type 'string
:group 'mime-display)
"Option of verifying signed parts.
`never', not verify; `always', always verify;
`known', only verify known protocols. Otherwise, ask user."
- :version "21.4"
+ :version "22.1"
:type '(choice (item always)
(item never)
(item :tag "only known protocols" known)
"Option of decrypting encrypted parts.
`never', not decrypt; `always', always decrypt;
`known', only decrypt known protocols. Otherwise, ask user."
- :version "21.4"
+ :version "22.1"
:type '(choice (item always)
(item never)
(item :tag "only known protocols" known)
(defvar mm-viewer-completion-map
(let ((map (make-sparse-keymap 'mm-viewer-completion-map)))
(set-keymap-parent map minibuffer-local-completion-map)
+ ;; Should we bind other key to minibuffer-complete-word?
+ (define-key map " " 'self-insert-command)
map)
"Keymap for input viewer with completion.")
-;; Should we bind other key to minibuffer-complete-word?
-(define-key mm-viewer-completion-map " " 'self-insert-command)
-
(defvar mm-viewer-completion-map
(let ((map (make-sparse-keymap 'mm-viewer-completion-map)))
(set-keymap-parent map minibuffer-local-completion-map)
+ ;; Should we bind other key to minibuffer-complete-word?
+ (define-key map " " 'self-insert-command)
map)
"Keymap for input viewer with completion.")
-;; Should we bind other key to minibuffer-complete-word?
-(define-key mm-viewer-completion-map " " 'self-insert-command)
-
;;; The functions.
(defun mm-alist-to-plist (alist)
(message "Destroying external MIME viewers")
(mm-destroy-parts mm-postponed-undisplay-list)))
-(defun mm-dissect-buffer (&optional no-strict-mime loose-mime)
+(defun mm-dissect-buffer (&optional no-strict-mime loose-mime from)
"Dissect the current buffer and return a list of MIME handles."
(save-excursion
- (let (ct ctl type subtype cte cd description id result from)
+ (let (ct ctl type subtype cte cd description id result)
(save-restriction
(mail-narrow-to-head)
(when (or no-strict-mime
cte (mail-fetch-field "content-transfer-encoding")
cd (mail-fetch-field "content-disposition")
description (mail-fetch-field "content-description")
- from (mail-fetch-field "from")
id (mail-fetch-field "content-id"))
+ (unless from
+ (setq from (mail-fetch-field "from")))
;; FIXME: In some circumstances, this code is running within
;; an unibyte macro. mail-extract-address-components
;; creates unibyte buffers. This `if', though not a perfect
;; what really needs to be done here is a way to link a
;; MIME handle back to it's parent MIME handle (in a multilevel
;; MIME article). That would probably require changing
- ;; the mm-handle API so we simply store the multipart buffert
+ ;; the mm-handle API so we simply store the multipart buffer
;; name as a text property of the "multipart/whatever" string.
(add-text-properties 0 (length (car ctl))
(list 'buffer (mm-copy-to-buffer)
'from from
'start start)
(car ctl))
- (cons (car ctl) (mm-dissect-multipart ctl))))
+ (cons (car ctl) (mm-dissect-multipart ctl from))))
(t
(mm-possibly-verify-or-decrypt
(mm-dissect-singlepart
(mm-make-handle
(mm-copy-to-buffer) ctl cte nil cdl description nil id)))
-(defun mm-dissect-multipart (ctl)
+(defun mm-dissect-multipart (ctl from)
(goto-char (point-min))
(let* ((boundary (concat "\n--" (mail-content-type-get ctl 'boundary)))
(close-delimiter (concat (regexp-quote boundary) "--[ \t]*$"))
(save-excursion
(save-restriction
(narrow-to-region start (point))
- (setq parts (nconc (list (mm-dissect-buffer t)) parts)))))
+ (setq parts (nconc (list (mm-dissect-buffer t nil from)) parts)))))
(end-of-line 2)
(or (looking-at boundary)
(forward-line 1))
(save-excursion
(save-restriction
(narrow-to-region start end)
- (setq parts (nconc (list (mm-dissect-buffer t)) parts)))))
+ (setq parts (nconc (list (mm-dissect-buffer t nil from)) parts)))))
(mm-possibly-verify-or-decrypt (nreverse parts) ctl)))
(defun mm-copy-to-buffer ()
(mm-mailcap-command
method file (mm-handle-type handle)))
(if (buffer-live-p buffer)
- (save-excursion
- (set-buffer buffer)
+ (with-current-buffer buffer
(buffer-string))))
(progn
(ignore-errors (delete-file file))
(let ((command (mm-mailcap-command
method file (mm-handle-type handle))))
(unwind-protect
- (start-process "*display*"
- (setq buffer
- (generate-new-buffer " *mm*"))
- shell-file-name
- shell-command-switch command)
+ (progn
+ (start-process "*display*"
+ (setq buffer
+ (generate-new-buffer " *mm*"))
+ shell-file-name
+ shell-command-switch command)
+ (set-process-sentinel
+ (get-buffer-process buffer)
+ `(lambda (process state)
+ (when (eq 'exit (process-status process))
+ ;; Don't use `ignore-errors'.
+ (condition-case nil
+ (delete-file ,file)
+ (error))
+ (condition-case nil
+ (delete-directory ,(file-name-directory file))
+ (error))
+ (condition-case nil
+ (kill-buffer ,buffer)
+ (error))
+ (condition-case nil
+ ,(macroexpand (list 'mm-handle-set-undisplayer
+ (list 'quote handle)
+ nil))
+ (error))
+ (message "Displaying %s...done" ,command)))))
(mm-handle-set-external-undisplayer
handle (cons file buffer)))
(message "Displaying %s..." command))
(defun mm-insert-part (handle)
"Insert the contents of HANDLE in the current buffer."
- (let ((cur (current-buffer)))
- (save-excursion
- (if (member (mm-handle-media-supertype handle) '("text" "message"))
- (with-temp-buffer
- (insert-buffer-substring (mm-handle-buffer handle))
- (prog1
- (mm-decode-content-transfer-encoding
- (mm-handle-encoding handle)
- (mm-handle-media-type handle))
- (let ((temp (current-buffer)))
- (set-buffer cur)
- (insert-buffer-substring temp))))
- (mm-with-unibyte-buffer
- (insert-buffer-substring (mm-handle-buffer handle))
- (prog1
- (mm-decode-content-transfer-encoding
- (mm-handle-encoding handle)
- (mm-handle-media-type handle))
- (let ((temp (current-buffer)))
- (set-buffer cur)
- (insert-buffer-substring temp))))))))
+ (save-excursion
+ (insert
+ (cond ((eq (mail-content-type-get (mm-handle-type handle) 'charset)
+ 'gnus-decoded)
+ (with-current-buffer (mm-handle-buffer handle)
+ (buffer-string)))
+ ((mm-multibyte-p)
+ (mm-string-as-multibyte (mm-get-part handle)))
+ (t
+ (mm-get-part handle))))))
(defun mm-file-name-delete-whitespace (file-name)
"Remove all whitespace characters from FILE-NAME."
(setq filename (gnus-replace-in-string filename "[<>|]" ""))
(gnus-replace-in-string filename "^[.-]+" ""))
-(defun mm-save-part (handle)
- "Write HANDLE to a file."
+(defun mm-save-part (handle &optional prompt)
+ "Write HANDLE to a file.
+PROMPT overrides the default one used to ask user for a file name."
(let* ((name (mail-content-type-get (mm-handle-type handle) 'name))
(filename (mail-content-type-get
(mm-handle-disposition handle) 'filename))
(file-name-nondirectory filename))))
(setq file
(mm-with-multibyte
- (read-file-name "Save MIME part to: "
+ (read-file-name (or prompt "Save MIME part to: ")
(or mm-default-directory default-directory)
nil nil (or filename name ""))))
(setq mm-default-directory (file-name-directory file))
projects / gnus / blobdiff