1 ;;; mmbuffer.el --- MIME entity module for binary buffer
3 ;; Copyright (C) 1998,1999,2000 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <tomo@m17n.org>
6 ;; Keywords: MIME, multimedia, mail, news
8 ;; This file is part of FLIM (Faithful Library about Internet Message).
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.
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.
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.
31 (luna-define-class mime-buffer-entity (mime-entity)
38 (luna-define-internal-accessors 'mime-buffer-entity)
41 (luna-define-method initialize-instance :after ((entity mime-buffer-entity)
43 (or (mime-buffer-entity-buffer-internal entity)
44 (mime-buffer-entity-set-buffer-internal
45 entity (mime-entity-location-internal entity)))
47 (set-buffer (mime-buffer-entity-buffer-internal entity))
49 (or (mime-buffer-entity-header-start-internal entity)
50 (mime-buffer-entity-set-header-start-internal
52 (header-end (mime-buffer-entity-header-end-internal entity))
53 (body-start (mime-buffer-entity-body-start-internal entity))
55 (or (mime-buffer-entity-body-end-internal entity)
56 (mime-buffer-entity-set-body-end-internal entity (point-max)))))
57 (goto-char header-start)
58 (unless (and header-end body-start)
59 (if (re-search-forward "^$" body-end t)
60 (setq header-end (match-end 0)
61 body-start (if (= header-end body-end)
64 (setq header-end (point-min)
65 body-start (point-min)))
66 (mime-buffer-entity-set-header-end-internal entity header-end)
67 (mime-buffer-entity-set-body-start-internal entity body-start)
69 (or (mime-entity-content-type-internal entity)
71 (narrow-to-region header-start header-end)
72 (mime-entity-set-content-type-internal
74 (let ((str (std11-fetch-field "Content-Type")))
76 (mime-parse-Content-Type str)
82 (luna-define-method mime-entity-name ((entity mime-buffer-entity))
83 (buffer-name (mime-buffer-entity-buffer-internal entity))
87 (luna-define-method mime-insert-header ((entity mime-buffer-entity)
88 &optional invisible-fields
90 (mime-insert-header-from-buffer
91 (mime-buffer-entity-buffer-internal entity)
92 (mime-buffer-entity-header-start-internal entity)
93 (mime-buffer-entity-header-end-internal entity)
94 invisible-fields visible-fields)
97 (luna-define-method mime-entity-content ((entity mime-buffer-entity))
99 (set-buffer (mime-buffer-entity-buffer-internal entity))
101 (buffer-substring (mime-buffer-entity-body-start-internal entity)
102 (mime-buffer-entity-body-end-internal entity))
103 (mime-entity-encoding entity))))
105 (luna-define-method mime-entity-body ((entity mime-buffer-entity))
107 (set-buffer (mime-buffer-entity-buffer-internal entity))
108 (buffer-substring (mime-buffer-entity-body-start-internal entity)
109 (mime-buffer-entity-body-end-internal entity))))
111 (luna-define-method mime-entity-fetch-field :around
112 ((entity mime-buffer-entity) field-name)
113 (or (luna-call-next-method)
115 (set-buffer (mime-buffer-entity-buffer-internal entity))
117 (narrow-to-region (mime-buffer-entity-header-start-internal entity)
118 (mime-buffer-entity-header-end-internal entity))
119 (let ((ret (std11-fetch-field field-name)))
121 (or (symbolp field-name)
123 (intern (capitalize (capitalize field-name)))))
124 (mime-entity-set-original-header-internal
126 (put-alist field-name ret
127 (mime-entity-original-header-internal entity)))
130 (mm-define-method insert-entity-content ((entity buffer))
131 (insert (with-current-buffer (mime-buffer-entity-buffer-internal entity)
133 (buffer-substring (mime-buffer-entity-body-start-internal entity)
134 (mime-buffer-entity-body-end-internal entity))
135 (mime-entity-encoding entity)))))
137 (mm-define-method write-entity-content ((entity buffer) filename)
139 (set-buffer (mime-buffer-entity-buffer-internal entity))
140 (mime-write-decoded-region (mime-buffer-entity-body-start-internal entity)
141 (mime-buffer-entity-body-end-internal entity)
143 (or (mime-entity-encoding entity) "7bit"))
146 (mm-define-method insert-entity ((entity buffer))
147 (insert-buffer-substring (mime-buffer-entity-buffer-internal entity)
148 (mime-buffer-entity-header-start-internal entity)
149 (mime-buffer-entity-body-end-internal entity))
152 (mm-define-method write-entity ((entity buffer) filename)
154 (set-buffer (mime-buffer-entity-buffer-internal entity))
155 (write-region-as-raw-text-CRLF
156 (mime-buffer-entity-header-start-internal entity)
157 (mime-buffer-entity-body-end-internal entity)
161 (mm-define-method write-entity-body ((entity buffer) filename)
163 (set-buffer (mime-buffer-entity-buffer-internal entity))
164 (write-region-as-binary (mime-buffer-entity-body-start-internal entity)
165 (mime-buffer-entity-body-end-internal entity)
173 (luna-define-method mime-entity-header-buffer ((entity mime-buffer-entity))
174 (mime-buffer-entity-buffer-internal entity)
177 (luna-define-method mime-goto-header-start-point ((entity mime-buffer-entity))
178 (set-buffer (mime-buffer-entity-buffer-internal entity))
179 (goto-char (mime-buffer-entity-header-start-internal entity))
182 (luna-define-method mime-entity-header-start-point ((entity
184 (mime-buffer-entity-header-start-internal entity)
187 (luna-define-method mime-entity-header-end-point ((entity
189 (mime-buffer-entity-header-end-internal entity)
196 (luna-define-method mime-entity-body-buffer ((entity mime-buffer-entity))
197 (mime-buffer-entity-buffer-internal entity)
200 (luna-define-method mime-goto-body-start-point ((entity mime-buffer-entity))
201 (set-buffer (mime-buffer-entity-buffer-internal entity))
202 (goto-char (mime-buffer-entity-body-start-internal entity))
205 (luna-define-method mime-goto-body-end-point ((entity mime-buffer-entity))
206 (set-buffer (mime-buffer-entity-buffer-internal entity))
207 (goto-char (mime-buffer-entity-body-end-internal entity))
210 (luna-define-method mime-entity-body-start-point ((entity mime-buffer-entity))
211 (mime-buffer-entity-body-start-internal entity)
214 (luna-define-method mime-entity-body-end-point ((entity mime-buffer-entity))
215 (mime-buffer-entity-body-end-internal entity)
219 ;;; @ buffer (obsolete)
222 (luna-define-method mime-entity-buffer ((entity mime-buffer-entity))
223 (mime-buffer-entity-buffer-internal entity)
226 (luna-define-method mime-entity-point-min ((entity mime-buffer-entity))
227 (mime-buffer-entity-header-start-internal entity)
230 (luna-define-method mime-entity-point-max ((entity mime-buffer-entity))
231 (mime-buffer-entity-body-end-internal entity)
240 ;;; mmbuffer.el ends here