mmdbuffer.el

   1 ;;; mmdual.el --- MIME entity module for dual buffers
   2
   3 ;; Copyright (C) 1998,1999,2000 Free Software Foundation, Inc.
   4
   5 ;; Author: MORIOKA Tomohiko <tomo@m17n.org>
   6 ;; Keywords: MIME, multimedia, mail, news
   7
   8 ;; This file is part of FLIM (Faithful Library about Internet Message).
   9
  10 ;; This program is free software; you can redistribute it and/or
  11 ;; modify it under the terms of the GNU General Public License as
  12 ;; published by the Free Software Foundation; either version 2, or (at
  13 ;; your option) any later version.
  14
  15 ;; This program is distributed in the hope that it will be useful, but
  16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18 ;; General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 ;; Boston, MA 02111-1307, USA.
  24
  25 ;;; Code:
  26
  27 (require 'mime)
  28
  29 (eval-and-compile
  30   (luna-define-class mime-dual-entity (mime-entity)
  31                      (header-buffer
  32                       body-buffer))
  33
  34   (luna-define-internal-accessors 'mime-dual-entity)
  35   )
  36
  37 (luna-define-method initialize-instance :after ((entity mime-dual-entity)
  38                                                 &rest init-args)
  39   (let (buf)
  40     (setq buf (mime-dual-entity-header-buffer-internal entity))
  41     (if buf
  42         (with-current-buffer buf
  43           (if (mime-root-entity-p entity)
  44               (setq mime-message-structure entity))
  45           (or (mime-entity-content-type-internal entity)
  46               (mime-entity-set-content-type-internal
  47                entity
  48                (let ((str (std11-fetch-field "Content-Type")))
  49                  (if str
  50                      (mime-parse-Content-Type str)
  51                    ))))))
  52     (setq buf (mime-dual-entity-body-buffer-internal entity))
  53     (if buf
  54         (with-current-buffer buf
  55           (if (mime-root-entity-p entity)
  56               (setq mime-message-structure entity))))
  57     ) entity)
  58
  59 (luna-define-method mime-entity-name ((entity mime-dual-entity))
  60   (buffer-name (mime-dual-entity-header-buffer-internal entity))
  61   )
  62
  63
  64 (luna-define-method mime-insert-header ((entity mime-dual-entity)
  65                                         &optional invisible-fields
  66                                         visible-fields)
  67   (let* ((buf (mime-dual-entity-header-buffer-internal entity))
  68          header-start header-end)
  69     (with-current-buffer buf
  70       (setq header-start (point-min)
  71             header-end (point-max)))
  72     (mime-insert-header-from-buffer buf header-start header-end
  73                                     invisible-fields visible-fields)
  74     ))
  75
  76 (luna-define-method mime-entity-content ((entity mime-dual-entity))
  77   (mime-decode-string
  78    (with-current-buffer (mime-dual-entity-body-buffer-internal entity)
  79      (buffer-string))
  80    (mime-entity-encoding entity)))
  81
  82 (luna-define-method mime-entity-fetch-field :around
  83   ((entity mime-dual-entity) field-name)
  84   (or (luna-call-next-method)
  85       (with-current-buffer (mime-dual-entity-header-buffer-internal entity)
  86         (let ((ret (std11-fetch-field field-name)))
  87           (when ret
  88             (or (symbolp field-name)
  89                 (setq field-name
  90                       (intern (capitalize (capitalize field-name)))))
  91             (mime-entity-set-original-header-internal
  92              entity
  93              (put-alist field-name ret
  94                         (mime-entity-original-header-internal entity)))
  95             ret)))))
  96
  97 (luna-define-method mime-insert-entity-content ((entity mime-dual-entity))
  98   (insert
  99    (mime-decode-string
 100     (with-current-buffer (mime-dual-entity-body-buffer-internal entity)
 101       (buffer-substring (point-min)(point-max)))
 102     (mime-entity-encoding entity))))
 103
 104 (luna-define-method mime-write-entity-content ((entity mime-dual-entity)
 105                                                filename)
 106   (with-current-buffer (mime-dual-entity-body-buffer-internal entity)
 107     (mime-write-decoded-region (point-min)
 108                                (point-max)
 109                                filename
 110                                (or (mime-entity-encoding entity) "7bit"))))
 111
 112 (luna-define-method mime-insert-entity ((entity mime-dual-entity))
 113   (let (buf)
 114     (setq buf (mime-dual-entity-header-buffer-internal entity))
 115     (when buf
 116       (insert-buffer (mime-dual-entity-header-buffer-internal entity))
 117       (setq buf (mime-dual-entity-body-buffer-internal entity))
 118       (when buf
 119         (insert "\n")
 120         (insert-buffer buf)))))
 121
 122 (luna-define-method mime-write-entity ((entity mime-dual-entity) filename)
 123   (let (buf)
 124     (setq buf (mime-dual-entity-header-buffer-internal entity))
 125     (if (null buf)
 126         (error "No header buffer.")
 127       (with-current-buffer buf
 128         (write-region-as-raw-text-CRLF
 129          (point-min)(point-max) filename))
 130       (setq buf (mime-dual-entity-body-buffer-internal entity))
 131       (when buf
 132         (with-temp-buffer
 133           (insert "\n")
 134           (write-region-as-raw-text-CRLF
 135            (point-min)(point-max)
 136            filename 'append))
 137         (with-current-buffer buf
 138           (write-region-as-raw-text-CRLF
 139            (point-min)(point-max)
 140            filename 'append))))))
 141
 142 (luna-define-method mime-write-entity-body ((entity mime-dual-entity) filename)
 143   (with-current-buffer (mime-dual-entity-body-buffer-internal entity)
 144     (write-region-as-binary (point-min)(point-max)
 145                             filename)))
 146
 147
 148 ;;; @ buffer
 149 ;;;
 150
 151 (luna-define-method mime-entity-header-buffer ((entity mime-dual-entity))
 152   (mime-dual-entity-header-buffer-internal entity))
 153
 154 (luna-define-method mime-entity-body-buffer ((entity mime-dual-entity))
 155   (mime-dual-entity-body-buffer-internal entity))
 156
 157 (luna-define-method mime-entity-buffer ((entity mime-dual-entity))
 158   (message "mime-dual-entity does not have mime-entity-buffer.")
 159   nil)
 160
 161 (luna-define-method mime-entity-body-start-point ((entity mime-dual-entity))
 162   (with-current-buffer (mime-entity-body-buffer entity)
 163     (point-min)))
 164
 165 (luna-define-method mime-entity-body-end-point ((entity mime-dual-entity))
 166   (with-current-buffer (mime-entity-body-buffer entity)
 167     (point-max)))
 168
 169 (luna-define-method mime-entity-point-min ((entity mime-dual-entity))
 170   (message "mime-dual-entity does not have mime-entity-point-min.")
 171   nil)
 172
 173 (luna-define-method mime-entity-point-max ((entity mime-dual-entity))
 174   (message "mime-dual-entity does not have mime-entity-point-max.")
 175   nil)
 176
 177 (luna-define-method mime-goto-header-start-point ((entity mime-dual-entity))
 178   (set-buffer (mime-dual-entity-header-buffer-internal entity))
 179   (goto-char (point-min)))
 180
 181 (luna-define-method mime-goto-body-start-point ((entity mime-dual-entity))
 182   (set-buffer (mime-dual-entity-body-buffer-internal entity))
 183   (goto-char (point-min)))
 184
 185 (luna-define-method mime-goto-body-end-point ((entity mime-dual-entity))
 186   (set-buffer (mime-dual-entity-body-buffer-internal entity))
 187   (goto-char (point-max)))
 188
 189
 190 ;;; @ end
 191 ;;;
 192
 193 (provide 'mmdual)
 194
 195 ;;; mmdual.el ends here