;;; mm-decode.el --- Functions for decoding MIME things
;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; 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 3, 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:
(unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
(require 'mail-parse)
-(require 'mailcap)
(require 'mm-bodies)
-(require 'gnus-util)
(eval-when-compile (require 'cl)
(require 'term))
-(eval-and-compile
- (autoload 'mm-inline-partial "mm-partial")
- (autoload 'mm-inline-external-body "mm-extern")
- (autoload 'mm-extern-cache-contents "mm-extern")
- (autoload 'mm-insert-inline "mm-view"))
+(autoload 'gnus-map-function "gnus-util")
+(autoload 'gnus-replace-in-string "gnus-util")
+(autoload 'gnus-read-shell-command "gnus-util")
+
+(autoload 'mm-inline-partial "mm-partial")
+(autoload 'mm-inline-external-body "mm-extern")
+(autoload 'mm-extern-cache-contents "mm-extern")
+(autoload 'mm-insert-inline "mm-view")
(defvar gnus-current-window-configuration)
,disposition ,description ,cache ,id))
(defcustom mm-text-html-renderer
- (cond ((executable-find "w3m")
- (if (locate-library "w3m")
- 'w3m
- 'w3m-standalone))
+ (cond ((fboundp 'libxml-parse-html-region) 'mm-shr)
+ ((executable-find "w3m") 'gnus-article-html)
((executable-find "links") 'links)
((executable-find "lynx") 'lynx)
((locate-library "w3") 'w3)
"Render of HTML contents.
It is one of defined renderer types, or a rendering function.
The defined renderer types are:
+`gnus-article-html' : use Gnus renderer based on w3m;
`w3m' : use emacs-w3m;
`w3m-standalone': use w3m;
`links': use links;
`w3' : use Emacs/W3;
`html2text' : use html2text;
nil : use external viewer (default web browser)."
- :version "23.0" ;; No Gnus
- :type '(choice (const w3)
- (const w3m :tag "emacs-w3m")
+ :version "24.1"
+ :type '(choice (const gnus-article-html)
+ (const w3)
+ (const w3m :tag "emacs-w3m")
(const w3m-standalone :tag "standalone w3m" )
(const links)
(const lynx)
:group 'mime-display)
(defcustom mm-inline-large-images nil
- "If non-nil, then all images fit in the buffer."
- :type 'boolean
+ "If t, then all images fit in the buffer.
+If 'resize, try to resize the images so they fit."
+ :type '(radio
+ (const :tag "Inline large images as they are." t)
+ (const :tag "Resize large images." resize)
+ (const :tag "Do not inline large images." nil))
:group 'mime-display)
(defcustom mm-file-name-rewrite-functions
(message "Destroying external MIME viewers")
(mm-destroy-parts mm-postponed-undisplay-list)))
+(autoload 'message-fetch-field "message")
+
(defun mm-dissect-buffer (&optional no-strict-mime loose-mime from)
"Dissect the current buffer and return a list of MIME handles."
(save-excursion
ctl (and ct (mail-header-parse-content-type ct))
cte (mail-fetch-field "content-transfer-encoding")
cd (mail-fetch-field "content-disposition")
- description (mail-fetch-field "content-description")
+ ;; Newlines in description should be stripped so as
+ ;; not to break the MIME tag into two or more lines.
+ description (message-fetch-field "content-description")
id (mail-fetch-field "content-id"))
(unless from
(setq from (mail-fetch-field "from")))
(goto-char (point-max)))
(mapcar 'mm-display-parts handle))))
+(autoload 'mailcap-parse-mailcaps "mailcap")
+(autoload 'mailcap-mime-info "mailcap")
+
(defun mm-display-part (handle &optional no-default)
"Display the MIME part represented by HANDLE.
Returns nil if the part is removed; inline if displayed inline;
handle 'mailcap-save-binary-file)))))))))
(declare-function gnus-configure-windows "gnus-win" (setting &optional force))
+(defvar mailcap-mime-extensions) ; mailcap-mime-info autoloads
(defun mm-display-external (handle method)
"Display HANDLE using METHOD."
;; time to adjust it, since we know at this point that it should
;; be unibyte.
`(let* ((handle ,handle))
- (with-temp-buffer
- (mm-disable-multibyte)
- (insert-buffer-substring (mm-handle-buffer handle))
- (mm-decode-content-transfer-encoding
- (mm-handle-encoding handle)
- (mm-handle-media-type handle))
- ,@forms)))
+ (when (and (mm-handle-buffer handle)
+ (buffer-name (mm-handle-buffer handle)))
+ (with-temp-buffer
+ (mm-disable-multibyte)
+ (insert-buffer-substring (mm-handle-buffer handle))
+ (mm-decode-content-transfer-encoding
+ (mm-handle-encoding handle)
+ (mm-handle-media-type handle))
+ ,@forms))))
(put 'mm-with-part 'lisp-indent-function 1)
(put 'mm-with-part 'edebug-form-spec '(body))
(setq filename (gnus-map-function mm-file-name-rewrite-functions
(file-name-nondirectory filename))))
(setq file
- (read-file-name (or prompt "Save MIME part to: ")
+ (read-file-name (or prompt
+ (format "Save MIME part to (default %s): "
+ (or filename "")))
(or mm-default-directory default-directory)
- nil nil (or filename "")))
+ (or filename "")))
+ (when (file-directory-p file)
+ (setq file (expand-file-name filename file)))
(setq mm-default-directory (file-name-directory file))
(and (or (not (file-exists-p file))
(yes-or-no-p (format "File %s already exists; overwrite? "
(mm-save-part-to-file handle file)
file))))
-(defun mm-add-meta-html-tag (handle &optional charset)
+(defun mm-add-meta-html-tag (handle &optional charset force-charset)
"Add meta html tag to specify CHARSET of HANDLE in the current buffer.
CHARSET defaults to the one HANDLE specifies. Existing meta tag that
-specifies charset will not be modified. Return t if meta tag is added
-or replaced."
+specifies charset will not be modified unless FORCE-CHARSET is non-nil.
+Return t if meta tag is added or replaced."
(when (equal (mm-handle-media-type handle) "text/html")
(when (or charset
(setq charset (mail-content-type-get (mm-handle-type handle)
(goto-char (point-min))
(if (re-search-forward "\
<meta\\s-+http-equiv=[\"']?content-type[\"']?\\s-+content=[\"']\
-text/\\(\\sw+\\)\\(?:\;\\s-*charset=\\(.+?\\)\\)?[\"'][^>]*>" nil t)
- (if (and (match-beginning 2)
+text/\\(\\sw+\\)\\(?:\;\\s-*charset=\\(.+\\)\\)?[\"'][^>]*>" nil t)
+ (if (and (not force-charset)
+ (match-beginning 2)
(string-match "\\`html\\'" (match-string 1)))
;; Don't modify existing meta tag.
nil
(mm-write-region (point-min) (point-max) file nil nil nil 'binary t)
(set-default-file-modes current-file-modes)))))
-(defun mm-pipe-part (handle)
- "Pipe HANDLE to a process."
- (let* ((name (mail-content-type-get (mm-handle-type handle) 'name))
- (command
- (read-string "Shell command on MIME part: " mm-last-shell-command)))
+(defun mm-pipe-part (handle &optional cmd)
+ "Pipe HANDLE to a process.
+Use CMD as the process."
+ (let ((name (mail-content-type-get (mm-handle-type handle) 'name))
+ (command (or cmd
+ (gnus-read-shell-command
+ "Shell command on MIME part: " mm-last-shell-command))))
(mm-with-unibyte-buffer
(mm-insert-part handle)
(mm-add-meta-html-tag handle)
"Display HANDLE using METHOD."
(let* ((type (mm-handle-media-type handle))
(methods
- (mapcar (lambda (i) (list (cdr (assoc 'viewer i))))
+ (mapcar (lambda (i) (cdr (assoc 'viewer i)))
(mailcap-mime-info type 'all)))
(method (let ((minibuffer-local-completion-map
mm-viewer-completion-map))
- (completing-read "Viewer: " methods))))
+ (gnus-completing-read "Viewer" methods))))
(when (string= method "")
(error "No method given"))
(if (string-match "^[^% \t]+$" method)
(intern type))
:data (buffer-string)))))))
+(declare-function image-size "image.c" (spec &optional pixels frame))
+
(defun mm-image-fit-p (handle)
"Say whether the image in HANDLE will fit the current window."
(let ((image (mm-get-image handle)))
;; Handle XEmacs
((fboundp 'valid-image-instantiator-format-p)
(valid-image-instantiator-format-p format))
- ;; Handle Emacs 21
+ ;; Handle Emacs
((fboundp 'image-type-available-p)
(and (display-graphic-p)
(image-type-available-p format)))
(and (eq (mm-body-7-or-8) '7bit)
(not (mm-long-lines-p 76))))))
+(declare-function libxml-parse-html-region "xml.c"
+ (start end &optional base-url))
+(declare-function shr-insert-document "shr" (dom))
+
+(defun mm-shr (handle)
+ ;; Require since we bind its variables.
+ (require 'shr)
+ (let ((article-buffer (current-buffer))
+ (shr-blocked-images (with-current-buffer gnus-summary-buffer
+ gnus-blocked-images))
+ (shr-content-function (lambda (id)
+ (let ((handle (mm-get-content-id id)))
+ (when handle
+ (mm-with-part handle
+ (buffer-string))))))
+ charset)
+ (unless handle
+ (setq handle (mm-dissect-buffer t)))
+ (setq charset (mail-content-type-get (mm-handle-type handle) 'charset))
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (shr-insert-document
+ (mm-with-part handle
+ (when (and charset
+ (setq charset (mm-charset-to-coding-system charset))
+ (not (eq charset 'ascii)))
+ (insert (prog1
+ (mm-decode-coding-string (buffer-string) charset)
+ (erase-buffer)
+ (mm-enable-multibyte))))
+ (libxml-parse-html-region (point-min) (point-max)))))))
+
(provide 'mm-decode)
-;; arch-tag: 4f35d360-56b8-4030-9388-3ed82d359b9b
;;; mm-decode.el ends here
projects / gnus / blobdiff