--- /dev/null
+;;; mmdual.el --- MIME entity module for dual buffers
+
+;; Copyright (C) 1998,1999 Free Software Foundation, Inc.
+;; Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
+;; Licensed to the Free Software Foundation.
+
+;; 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)
+
+(eval-and-compile
+ (luna-define-class mime-dual-entity (mime-entity)
+ (header-buffer
+ body-buffer))
+
+ (luna-define-internal-accessors 'mime-dual-entity)
+ )
+
+(luna-define-method initialize-instance :after ((entity mime-dual-entity)
+ &rest init-args)
+ (let (buf)
+ (setq buf (mime-dual-entity-header-buffer-internal entity))
+ (if buf
+ (with-current-buffer buf
+ (if (mime-root-entity-p entity)
+ (setq mime-message-structure entity))
+ (or (mime-entity-content-type-internal entity)
+ (mime-entity-set-content-type-internal
+ entity
+ (let ((str (std11-fetch-field "Content-Type")))
+ (if str
+ (mime-parse-Content-Type str)
+ ))))))
+ (setq buf (mime-dual-entity-body-buffer-internal entity))
+ (if buf
+ (with-current-buffer buf
+ (if (mime-root-entity-p entity)
+ (setq mime-message-structure entity))))
+ ) entity)
+
+(luna-define-method mime-entity-name ((entity mime-dual-entity))
+ (buffer-name (mime-dual-entity-header-buffer-internal entity))
+ )
+
+
+(defun mime-visible-field-p (field-name visible-fields invisible-fields)
+ (or (catch 'found
+ (while visible-fields
+ (let ((regexp (car visible-fields)))
+ (if (string-match regexp field-name)
+ (throw 'found t)
+ ))
+ (setq visible-fields (cdr visible-fields))
+ ))
+ (catch 'found
+ (while invisible-fields
+ (let ((regexp (car invisible-fields)))
+ (if (string-match regexp field-name)
+ (throw 'found nil)
+ ))
+ (setq invisible-fields (cdr invisible-fields))
+ )
+ t)))
+
+(defun mime-insert-header-from-buffer (buffer start end
+ &optional invisible-fields
+ visible-fields)
+ (let ((the-buf (current-buffer))
+ (mode-obj (mime-find-field-presentation-method 'wide))
+ field-decoder
+ f-b p f-e field-name len field field-body)
+ (save-excursion
+ (set-buffer buffer)
+ (save-restriction
+ (narrow-to-region start end)
+ (goto-char start)
+ (while (re-search-forward std11-field-head-regexp nil t)
+ (setq f-b (match-beginning 0)
+ p (match-end 0)
+ field-name (buffer-substring f-b p)
+ len (string-width field-name)
+ f-e (std11-field-end))
+ (when (mime-visible-field-p field-name
+ visible-fields invisible-fields)
+ (setq field (intern
+ (capitalize (buffer-substring f-b (1- p))))
+ field-body (buffer-substring p f-e)
+ field-decoder (inline (mime-find-field-decoder-internal
+ field mode-obj)))
+ (with-current-buffer the-buf
+ (insert field-name)
+ (insert (if field-decoder
+ (funcall field-decoder field-body len)
+ ;; Don't decode
+ field-body))
+ (insert "\n")
+ )))))))
+
+(luna-define-method mime-insert-header ((entity mime-dual-entity)
+ &optional invisible-fields
+ visible-fields)
+ (let* ((buf (mime-dual-entity-header-buffer-internal entity))
+ header-start header-end)
+ (with-current-buffer buf
+ (setq header-start (point-min)
+ header-end (point-max)))
+ (mime-insert-header-from-buffer buf header-start header-end
+ invisible-fields visible-fields)
+ ))
+
+(luna-define-method mime-entity-content ((entity mime-dual-entity))
+ (mime-decode-string
+ (with-current-buffer (mime-dual-entity-body-buffer-internal entity)
+ (buffer-string))
+ (mime-entity-encoding entity)))
+
+(luna-define-method mime-entity-fetch-field :around
+ ((entity mime-dual-entity) field-name)
+ (or (luna-call-next-method)
+ (with-current-buffer (mime-dual-entity-header-buffer-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-entity-content ((entity mime-dual-entity))
+ (insert
+ (mime-decode-string
+ (with-current-buffer (mime-dual-entity-body-buffer-internal entity)
+ (buffer-substring (point-min)(point-max)))
+ (mime-entity-encoding entity))))
+
+(luna-define-method mime-write-entity-content ((entity mime-dual-entity)
+ filename)
+ (with-current-buffer (mime-dual-entity-body-buffer-internal entity)
+ (mime-write-decoded-region (point-min)
+ (point-max)
+ filename
+ (or (mime-entity-encoding entity) "7bit"))))
+
+(luna-define-method mime-insert-entity ((entity mime-dual-entity))
+ (let (buf)
+ (setq buf (mime-dual-entity-header-buffer-internal entity))
+ (when buf
+ (insert-buffer (mime-dual-entity-header-buffer-internal entity))
+ (setq buf (mime-dual-entity-body-buffer-internal entity))
+ (when buf
+ (insert "\n")
+ (insert-buffer buf)))))
+
+(luna-define-method mime-write-entity ((entity mime-dual-entity) filename)
+ (let (buf)
+ (setq buf (mime-dual-entity-header-buffer-internal entity))
+ (if (null buf)
+ (error "No header buffer.")
+ (with-current-buffer buf
+ (write-region-as-raw-text-CRLF
+ (point-min)(point-max) filename))
+ (setq buf (mime-dual-entity-body-buffer-internal entity))
+ (when buf
+ (with-temp-buffer
+ (insert "\n")
+ (write-region-as-raw-text-CRLF
+ (point-min)(point-max)
+ filename 'append))
+ (with-current-buffer buf
+ (write-region-as-raw-text-CRLF
+ (point-min)(point-max)
+ filename 'append))))))
+
+(luna-define-method mime-write-entity-body ((entity mime-dual-entity) filename)
+ (with-current-buffer (mime-dual-entity-body-buffer-internal entity)
+ (write-region-as-binary (point-min)(point-max)
+ filename)))
+
+
+;;; @ buffer
+;;;
+
+(luna-define-method mime-entity-header-buffer ((entity mime-dual-entity))
+ (mime-dual-entity-header-buffer-internal entity))
+
+(luna-define-method mime-entity-body-buffer ((entity mime-dual-entity))
+ (mime-dual-entity-body-buffer-internal entity))
+
+(luna-define-method mime-entity-buffer ((entity mime-dual-entity))
+ (message "mime-dual-entity does not have mime-entity-buffer.")
+ nil)
+
+(luna-define-method mime-entity-body-start-point ((entity mime-dual-entity))
+ (with-current-buffer (mime-entity-body-buffer entity)
+ (point-min)))
+
+(luna-define-method mime-entity-body-end-point ((entity mime-dual-entity))
+ (with-current-buffer (mime-entity-body-buffer entity)
+ (point-max)))
+
+(luna-define-method mime-entity-point-min ((entity mime-dual-entity))
+ (message "mime-dual-entity does not have mime-entity-point-min.")
+ nil)
+
+(luna-define-method mime-entity-point-max ((entity mime-dual-entity))
+ (message "mime-dual-entity does not have mime-entity-point-max.")
+ nil)
+
+(luna-define-method mime-goto-header-start-point ((entity mime-dual-entity))
+ (set-buffer (mime-dual-entity-header-buffer-internal entity))
+ (goto-char (point-min)))
+
+(luna-define-method mime-goto-body-start-point ((entity mime-dual-entity))
+ (set-buffer (mime-dual-entity-body-buffer-internal entity))
+ (goto-char (point-min)))
+
+(luna-define-method mime-goto-body-end-point ((entity mime-dual-entity))
+ (set-buffer (mime-dual-entity-body-buffer-internal entity))
+ (goto-char (point-max)))
+
+
+;;; @ end
+;;;
+
+(provide 'mmdual)
+
+;;; mmdual.el ends here
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