mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-23 10:34:07 +00:00
170 lines
5.4 KiB
EmacsLisp
170 lines
5.4 KiB
EmacsLisp
;;; mm-extern.el --- showing message/external-body
|
|
|
|
;; Copyright (C) 2000, 2001, 2002, 2003, 2004,
|
|
;; 2005, 2006, 2007 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 3, 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., 51 Franklin Street, Fifth Floor,
|
|
;; Boston, MA 02110-1301, USA.
|
|
|
|
;;; Commentary:
|
|
|
|
;;; Code:
|
|
|
|
(eval-when-compile (require 'cl))
|
|
|
|
(require 'mm-util)
|
|
(require 'mm-decode)
|
|
(require 'mm-url)
|
|
|
|
(defvar gnus-article-mime-handles)
|
|
|
|
(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 "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-extern-cache-contents (handle)
|
|
"Put the external-body part of HANDLE into its cache."
|
|
(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)))
|
|
buf handles)
|
|
(unless func
|
|
(error "Access type (%s) is not supported" access-type))
|
|
(mm-with-part handle
|
|
(goto-char (point-max))
|
|
(insert "\n\n")
|
|
;; It should be just a single MIME handle.
|
|
(setq handles (mm-dissect-buffer t)))
|
|
(unless (bufferp (car handles))
|
|
(mm-destroy-parts handles)
|
|
(error "Multipart external body is not supported"))
|
|
(save-excursion
|
|
(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))))
|
|
|
|
;;;###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."
|
|
(unless (mm-handle-cache handle)
|
|
(mm-extern-cache-contents handle))
|
|
(unless no-display
|
|
(save-excursion
|
|
(save-restriction
|
|
(narrow-to-region (point) (point))
|
|
(mm-display-part (mm-handle-cache handle))))
|
|
;; Move undisplayer added to the cached handle to the parent.
|
|
(mm-handle-set-undisplayer
|
|
handle (mm-handle-undisplayer (mm-handle-cache handle)))
|
|
(mm-handle-set-undisplayer (mm-handle-cache handle) nil)))
|
|
|
|
(provide 'mm-extern)
|
|
|
|
;;; arch-tag: 9653808e-14d9-4172-86e6-adceaa05378e
|
|
;;; mm-extern.el ends here
|