Revision: miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-523

Merge from emacs--gnus--5.10, gnus--rel--5.10

Patches applied:

 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--base-0
   tag of miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-464

 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-1
   Import from CVS branch gnus-5_10-branch

 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-2
   Merge from lorentey@elte.hu--2004/emacs--multi-tty--0, emacs--cvs-trunk--0

 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-3
   Merge from gnus--rel--5.10

 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-4
   Merge from gnus--rel--5.10

 * miles@gnu.org--gnu-2004/gnus--rel--5.10--patch-18
   Update from CVS

 * miles@gnu.org--gnu-2004/gnus--rel--5.10--patch-19
   Remove autoconf-generated files from archive

 * miles@gnu.org--gnu-2004/gnus--rel--5.10--patch-20
   Update from CVS

1 files changed, 169 insertions, 0 deletions

diff --git a/lisp/gnus/mm-extern.el b/lisp/gnus/mm-extern.el
new file mode 100644
index 00000000000..994dd1d9c02
--- /dev/null
+++ b/lisp/gnus/mm-extern.el
@@ -0,0 +1,169 @@
+;;; mm-extern.el --- showing message/external-body
+;; Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.
+
+;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
+;; Keywords: message external-body
+
+;; This file is part of GNU Emacs.
+
+;; 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.
+
+;; 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 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., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
+
+;;; Code:
+
+(eval-when-compile (require 'cl))
+
+(require 'mm-util)
+(require 'mm-decode)
+(require 'mm-url)
+
+(defvar mm-extern-function-alist
+  '((local-file . mm-extern-local-file)
+    (url . mm-extern-url)
+    (anon-ftp . mm-extern-anon-ftp)
+    (ftp . mm-extern-ftp)
+;;;     (tftp . mm-extern-tftp)
+    (mail-server . mm-extern-mail-server)
+;;;     (afs . mm-extern-afs))
+    ))
+
+(defvar mm-extern-anonymous "anonymous")
+
+(defun mm-extern-local-file (handle)
+  (erase-buffer)
+  (let ((name (cdr (assq 'name (cdr (mm-handle-type handle)))))
+	(coding-system-for-read mm-binary-coding-system))
+    (unless name
+      (error "The filename is not specified"))
+    (mm-disable-multibyte)
+    (if (file-exists-p name)
+	(mm-insert-file-contents name nil nil nil nil t)
+      (error (format "File %s is gone" name)))))
+
+(defun mm-extern-url (handle)
+  (erase-buffer)
+  (let ((url (cdr (assq 'url (cdr (mm-handle-type handle)))))
+	(name buffer-file-name)
+	(coding-system-for-read mm-binary-coding-system))
+    (unless url
+      (error "URL is not specified"))
+    (mm-with-unibyte-current-buffer
+      (mm-url-insert-file-contents url))
+    (mm-disable-multibyte)
+    (setq buffer-file-name name)))
+
+(defun mm-extern-anon-ftp (handle)
+  (erase-buffer)
+  (let* ((params (cdr (mm-handle-type handle)))
+	 (name (cdr (assq 'name params)))
+	 (site (cdr (assq 'site params)))
+	 (directory (cdr (assq 'directory params)))
+	 (mode (cdr (assq 'mode params)))
+	 (path (concat "/" (or mm-extern-anonymous
+			       (read-string (format "ID for %s: " site)))
+		       "@" site ":" directory "/" name))
+	 (coding-system-for-read mm-binary-coding-system))
+    (unless name
+      (error "The filename is not specified"))
+    (mm-disable-multibyte)
+    (mm-insert-file-contents path nil nil nil nil t)))
+
+(defun mm-extern-ftp (handle)
+  (let (mm-extern-anonymous)
+    (mm-extern-anon-ftp handle)))
+
+(defun mm-extern-mail-server (handle)
+  (require 'message)
+  (let* ((params (cdr (mm-handle-type handle)))
+	 (server (cdr (assq 'server params)))
+	 (subject (or (cdr (assq 'subject params)) "none"))
+	 (buf (current-buffer))
+	 info)
+    (if (y-or-n-p (format "Send a request message to %s?" server))
+	(save-window-excursion
+	  (message-mail server subject)
+	  (message-goto-body)
+	  (delete-region (point) (point-max))
+	  (insert-buffer-substring buf)
+	  (message "Requesting external body...")
+	  (message-send-and-exit)
+	  (setq info "Request is sent.")
+	  (message info))
+      (setq info "Request is not sent."))
+    (goto-char (point-min))
+    (insert "[" info "]\n\n")))
+
+;;;###autoload
+(defun mm-inline-external-body (handle &optional no-display)
+  "Show the external-body part of HANDLE.
+This function replaces the buffer of HANDLE with a buffer contains
+the entire message.
+If NO-DISPLAY is nil, display it. Otherwise, do nothing after replacing."
+  (let* ((access-type (cdr (assq 'access-type
+				 (cdr (mm-handle-type handle)))))
+	 (func (cdr (assq (intern
+			   (downcase
+			    (or access-type
+				(error "Couldn't find access type"))))
+			  mm-extern-function-alist)))
+	 gnus-displaying-mime buf
+	 handles)
+    (unless (mm-handle-cache handle)
+      (unless func
+	(error (format "Access type (%s) is not supported" access-type)))
+      (with-temp-buffer
+	(mm-insert-part handle)
+	(goto-char (point-max))
+	(insert "\n\n")
+	(setq handles (mm-dissect-buffer t)))
+      (unless (bufferp (car handles))
+	(mm-destroy-parts handles)
+	(error "Multipart external body is not supported"))
+      (save-excursion ;; single part
+	(set-buffer (setq buf (mm-handle-buffer handles)))
+	(let (good)
+	  (unwind-protect
+	      (progn
+		(funcall func handle)
+		(setq good t))
+	    (unless good
+	      (mm-destroy-parts handles))))
+	(mm-handle-set-cache handle handles))
+      (setq gnus-article-mime-handles
+	    (mm-merge-handles gnus-article-mime-handles handles)))
+    (unless no-display
+      (save-excursion
+	(save-restriction
+	  (narrow-to-region (point) (point))
+	  (gnus-display-mime (mm-handle-cache handle))
+	  (mm-handle-set-undisplayer
+	   handle
+	   `(lambda ()
+	      (let (buffer-read-only)
+		(condition-case nil
+		    ;; This is only valid on XEmacs.
+		    (mapcar (lambda (prop)
+			    (remove-specifier
+			     (face-property 'default prop) (current-buffer)))
+			    '(background background-pixmap foreground))
+		  (error nil))
+		(delete-region ,(point-min-marker) ,(point-max-marker))))))))))
+
+(provide 'mm-extern)
+
+;;; arch-tag: 9653808e-14d9-4172-86e6-adceaa05378e
+;;; mm-extern.el ends here