1 ;;; mmbuffer.el --- MIME entity module for binary buffer
3 ;; Copyright (C) 1998 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
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.
29 (mm-define-backend buffer (generic))
31 (mm-define-method initialize-instance ((entity buffer))
32 (mime-entity-set-buffer-internal
33 entity (mime-entity-location-internal entity))
35 (set-buffer (mime-entity-buffer-internal entity))
36 (setq mime-message-structure entity)
37 (let ((header-start (point-min))
40 (body-end (point-max)))
41 (goto-char header-start)
42 (if (re-search-forward "^$" nil t)
43 (setq header-end (match-end 0)
44 body-start (if (= header-end body-end)
47 (setq header-end (point-min)
48 body-start (point-min)))
50 (narrow-to-region header-start header-end)
51 (mime-entity-set-content-type-internal
53 (let ((str (std11-fetch-field "Content-Type")))
55 (mime-parse-Content-Type str)
58 (mime-entity-set-header-start-internal entity header-start)
59 (mime-entity-set-header-end-internal entity header-end)
60 (mime-entity-set-body-start-internal entity body-start)
61 (mime-entity-set-body-end-internal entity body-end)
64 ;;; redefine to speed up
66 (mm-define-method entity-point-min ((entity buffer))
67 (mime-entity-header-start-internal entity))
69 (mm-define-method entity-point-max ((entity buffer))
70 (mime-entity-body-end-internal entity))
72 (mm-define-method fetch-field ((entity buffer) field-name)
74 (set-buffer (mime-entity-buffer-internal entity))
76 (narrow-to-region (mime-entity-header-start-internal entity)
77 (mime-entity-header-end-internal entity))
78 (std11-fetch-field field-name)
81 (mm-define-method entity-content ((entity buffer))
83 (set-buffer (mime-entity-buffer-internal entity))
85 (buffer-substring (mime-entity-body-start-internal entity)
86 (mime-entity-body-end-internal entity))
87 (mime-entity-encoding entity))))
89 (mm-define-method write-entity-content ((entity buffer) filename)
91 (set-buffer (mime-entity-buffer-internal entity))
92 (mime-write-decoded-region (mime-entity-body-start-internal entity)
93 (mime-entity-body-end-internal entity)
95 (or (mime-entity-encoding entity) "7bit"))
98 (mm-define-method write-entity ((entity buffer) filename)
100 (set-buffer (mime-entity-buffer-internal entity))
101 (write-region-as-raw-text-CRLF (mime-entity-header-start-internal entity)
102 (mime-entity-body-end-internal entity)
106 (mm-define-method write-entity-body ((entity buffer) filename)
108 (set-buffer (mime-entity-buffer-internal entity))
109 (write-region-as-binary (mime-entity-body-start-internal entity)
110 (mime-entity-body-end-internal entity)
120 ;;; mmbuffer.el ends here