X-Git-Url: https://cgit.sxemacs.org/?p=gnus;a=blobdiff_plain;f=lisp%2Fmm-extern.el;h=277932bf307e7c3d1605da3a018dd577f5925bde;hp=88d101b4ae0462b900bfaca310ab35f7fc228635;hb=d84b26f66f1975b52a15ca2caf5f10da5103e42e;hpb=673ff59b37a94e4057dda899fd156e6d09622656 diff --git a/lisp/mm-extern.el b/lisp/mm-extern.el index 88d101b4a..277932bf3 100644 --- a/lisp/mm-extern.el +++ b/lisp/mm-extern.el @@ -1,35 +1,40 @@ ;;; mm-extern.el --- showing message/external-body -;; Copyright (C) 2000 Free Software Foundation, Inc. + +;; Copyright (C) 2000-2012 Free Software Foundation, Inc. ;; Author: Shenghuo Zhu ;; 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 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 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 GNU -;; General Public License for more details. +;; 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. +;; along with GNU Emacs. If not, see . ;;; Commentary: ;;; Code: -(eval-when-compile - (require 'cl)) +;; For Emacs <22.2 and XEmacs. +(eval-and-compile + (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))) + +(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) @@ -37,33 +42,36 @@ (anon-ftp . mm-extern-anon-ftp) (ftp . mm-extern-ftp) ;;; (tftp . mm-extern-tftp) -;;; (mail-server . mm-extern-mail-server)) + (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-mule4) - (mm-insert-file-contents name nil nil nil nil t))) + (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) - (require 'url) + (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-mule4 - (url-insert-file-contents url)) - (mm-disable-multibyte-mule4) + (error "URL is not specified")) + (mm-disable-multibyte) + (mm-url-insert-file-contents url) (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))) @@ -74,66 +82,88 @@ "@" site ":" directory "/" name)) (coding-system-for-read mm-binary-coding-system)) (unless name - (error "The filename is not specified.")) - (mm-disable-multibyte-mule4) + (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))) +(declare-function message-goto-body "message" ()) + +(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))) + 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")) + (with-current-buffer (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 +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 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 - (kill-buffer (mm-handle-buffer handles)) - (set-buffer (setq buf (generate-new-buffer " *mm*"))) - (condition-case err - (funcall func handle) - (error - ;; Don't require gnus-util - (when (gnus-buffer-exists-p buf) - (kill-buffer buf)) - (error err))) - (setcar handles (current-buffer)) - (mm-handle-set-cache handle handles)) - (push handles gnus-article-mime-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)))))))))) - -;; mm-extern.el ends here + (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) + +;;; mm-extern.el ends here