--- /dev/null
+;;; mmexternal.el --- MIME entity module for external buffer
+
+;; Copyright (C) 1998,1999,2000 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
+;; Keywords: MIME, multimedia, mail, news
+
+;; This file is part of FLIM (Faithful Library about Internet Message).
+
+;; This program 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.
+
+;; This program 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.
+
+;;; Code:
+
+(require 'mime)
+(require 'pces)
+
+(eval-and-compile
+ (luna-define-class mime-external-entity (mime-entity)
+ (body-buffer
+ body-file))
+ (luna-define-internal-accessors 'mime-external-entity)
+
+ ;; In an external entity, information of media-type or other
+ ;; information which are represented in a header in a non-external
+ ;; entity are in the body of the parent entity.
+ )
+
+(luna-define-method mime-entity-name ((entity mime-external-entity))
+ (concat "child of "
+ (mime-entity-name
+ (mime-entity-parent-internal entity))))
+
+
+(defun mmexternal-require-file-name (entity)
+ (condition-case nil
+ (or (mime-external-entity-body-file-internal entity)
+ (let* ((ct (mime-entity-content-type
+ (mime-entity-parent-internal entity)))
+ (access-type
+ (mime-content-type-parameter ct "access-type")))
+ (if (and access-type
+ (string= access-type "anon-ftp"))
+ (let ((site (mime-content-type-parameter ct "site"))
+ (directory
+ (mime-content-type-parameter ct "directory"))
+ (name (mime-content-type-parameter ct "name")))
+ (mime-external-entity-set-body-file-internal
+ entity
+ (expand-file-name
+ name
+ (concat "/anonymous@" site ":"
+ (file-name-as-directory directory))))))))
+ (error (message "Can't make file-name of external-body."))))
+
+(defun mmexternal-require-buffer (entity)
+ (unless (and (mime-external-entity-body-buffer-internal entity)
+ (buffer-live-p
+ (mime-external-entity-body-buffer-internal entity)))
+ (condition-case nil
+ (progn
+ (mmexternal-require-file-name entity)
+ (mime-external-entity-set-body-buffer-internal
+ entity
+ (with-current-buffer (get-buffer-create
+ (concat " *Body of "
+ (mime-entity-name entity)
+ "*"))
+ (insert-file-contents-as-binary
+ (mime-external-entity-body-file-internal entity))
+ (current-buffer))))
+ (error (message "Can't get external-body.")))))
+
+
+;;; @ entity
+;;;
+
+(luna-define-method mime-insert-entity ((entity mime-external-entity))
+ (mime-insert-entity-body (mime-entity-parent-internal entity))
+ (insert "\n")
+ (mime-insert-entity-body entity))
+
+(luna-define-method mime-write-entity ((entity mime-external-entity) filename)
+ (with-temp-buffer
+ (mime-insert-entity entity)
+ (write-region-as-raw-text-CRLF (point-min) (point-max) filename)))
+
+
+;;; @ entity header
+;;;
+
+
+;;; @ entity body
+;;;
+
+(luna-define-method mime-entity-body ((entity mime-external-entity))
+ (mmexternal-require-buffer entity)
+ (with-current-buffer (mime-external-entity-body-buffer-internal entity)
+ (buffer-string)))
+
+(luna-define-method mime-insert-entity-body ((entity mime-external-entity))
+ (mmexternal-require-buffer entity)
+ (insert-buffer-substring
+ (mime-external-entity-body-buffer-internal entity)))
+
+(luna-define-method mime-write-entity-body ((entity mime-external-entity)
+ filename)
+ (mmexternal-require-buffer entity)
+ (with-current-buffer (mime-external-entity-body-buffer-internal entity)
+ (write-region-as-binary (point-min) (point-max) filename)))
+
+
+;;; @ entity content
+;;;
+
+(luna-define-method mime-entity-content ((entity mime-external-entity))
+ (let ((ret (mime-entity-body entity)))
+ (if ret
+ (mime-decode-string ret (mime-entity-encoding entity))
+ (message "Cannot get content")
+ nil)))
+
+(luna-define-method mime-insert-entity-content ((entity mime-external-entity))
+ (insert (mime-entity-content entity)))
+
+(luna-define-method mime-write-entity-content ((entity mime-external-entity)
+ filename)
+ (mmexternal-require-buffer entity)
+ (with-current-buffer (mime-external-entity-body-buffer-internal entity)
+ (mime-write-decoded-region (point-min) (point-max)
+ filename
+ (or (mime-entity-encoding entity) "7bit"))))
+
+
+;;; @ header field
+;;;
+
+(luna-define-method mime-entity-fetch-field :around
+ ((entity mime-external-entity) field-name)
+ (or (luna-call-next-method)
+ (with-temp-buffer
+ (mime-insert-entity-body (mime-entity-parent-internal entity))
+ (let ((ret (std11-fetch-field field-name)))
+ (when ret
+ (or (symbolp field-name)
+ (setq field-name
+ (intern (capitalize (capitalize field-name)))))
+ (mime-entity-set-original-header-internal
+ entity
+ (put-alist field-name ret
+ (mime-entity-original-header-internal entity)))
+ ret)))))
+
+(luna-define-method mime-insert-header ((entity mime-external-entity)
+ &optional invisible-fields
+ visible-fields)
+ (let ((the-buf (current-buffer))
+ buf p-min p-max)
+ (with-temp-buffer
+ (mime-insert-entity-body (mime-entity-parent-internal entity))
+ (setq buf (current-buffer)
+ p-min (point-min)
+ p-max (point-max))
+ (set-buffer the-buf)
+ (mime-insert-header-from-buffer buf p-min p-max
+ invisible-fields visible-fields))))
+
+
+;;; @ end
+;;;
+
+(provide 'mmexternal)
+
+;;; mmexternal.el ends here
projects / elisp / flim.git / blobdiff