1 ;;; mmgnus.el --- MIME entity implementation for gnus-article
3 ;; Copyright (C) 1998 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <tomo@m17n.org>
6 ;; Keiichi Suzuki <keiichi@nanp.org>
7 ;; Keywords: MIME, multimedia, mail, news
9 ;; This file is part of Nana-gnus.
11 ;; This program is free software; you can redistribute it and/or
12 ;; modify it under the terms of the GNU General Public License as
13 ;; published by the Free Software Foundation; either version 2, or (at
14 ;; your option) any later version.
16 ;; This program is distributed in the hope that it will be useful, but
17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ;; General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
32 (require 'eword-decode)
35 (luna-define-class mmgnus-entity (mime-entity)
37 header undisplayer content-description
40 (luna-define-internal-accessors 'mmgnus-entity)
42 (luna-define-method initialize-instance ((entity mmgnus-entity)
44 (apply (car (luna-class-find-functions
45 (luna-find-class 'standard-object)
46 'initialize-instance))
49 (defun mmgnus-visible-field-p (field-name visible-fields invisible-fields)
52 (let ((regexp (car visible-fields)))
53 (if (string-match regexp field-name)
56 (setq visible-fields (cdr visible-fields))
59 (while invisible-fields
60 (let ((regexp (car invisible-fields)))
61 (if (string-match regexp field-name)
64 (setq invisible-fields (cdr invisible-fields))
68 (defun mmgnus-insert-header-from-string (string
69 &optional invisible-fields
71 (let ((the-buf (current-buffer))
72 (mode-obj (mime-find-field-presentation-method 'wide))
74 f-b p f-e field-name len field field-body buffer)
76 (setq buffer (current-buffer))
78 (goto-char (point-min))
79 (while (re-search-forward std11-field-head-regexp nil t)
80 (setq f-b (match-beginning 0)
82 field-name (buffer-substring f-b p)
83 len (string-width field-name)
84 f-e (std11-field-end))
85 (when (mmgnus-visible-field-p field-name
86 visible-fields invisible-fields)
88 (capitalize (buffer-substring f-b (1- p))))
89 field-body (buffer-substring p f-e)
90 field-decoder (inline (mime-find-field-decoder-internal
92 (with-current-buffer the-buf
94 (insert (if field-decoder
95 (funcall field-decoder field-body len)
101 (defun mmgnus-entity-body (entity)
103 ((bufferp (mmgnus-entity-body-internal entity))
104 (with-current-buffer (mmgnus-entity-body-internal entity)
107 (error "Invalid body object. %s"
108 (mmgnus-entity-body-internal entity)))))
110 (luna-define-method mime-insert-header ((entity mmgnus-entity)
111 &optional invisible-fields
113 (mmgnus-insert-header-from-string
114 (mmgnus-entity-header-internal entity)
115 invisible-fields visible-fields))
117 (luna-define-method mime-entity-content ((entity mmgnus-entity))
118 (mime-decode-string (mmgnus-entity-body entity)
119 (mime-entity-encoding entity)))
121 (luna-define-method mime-insert-entity-content ((entity mmgnus-entity))
122 (insert (mime-entity-content entity)))
124 (luna-define-method mime-write-entity-content ((entity mmgnus-entity) filename)
126 (insert (mmgnus-entity-body entity))
127 (mime-write-decoded-region (point-min) (point-max)
129 (or (mime-entity-encoding entity) "7bit"))))
131 (luna-define-method mime-insert-entity ((entity mmgnus-entity))
132 (insert (mmgnus-entity-header-internal entity)
134 (mmgnus-entity-body entity)))
136 (luna-define-method mime-write-entity ((entity mmgnus-entity) filename)
138 (mime-insert-entity entity)
139 (write-region-as-raw-text-CRLF (point-min) (point-max) filename)))
141 (luna-define-method mime-write-entity-body ((entity mmgnus-entity) filename)
143 (insert (mmgnus-entity-body entity))
144 (write-region-as-binary (point-min) (point-max) filename)))
147 (luna-define-class mime-gnus-entity (mmgnus-entity)
149 subject from date id references chars lines xref extra)))
151 (luna-define-internal-accessors 'mime-gnus-entity)
153 (luna-define-method initialize-instance ((entity mime-gnus-entity)
155 (apply (car (luna-class-find-functions
156 (luna-find-class 'standard-object)
157 'initialize-instance))
160 (luna-define-method mime-insert-header :around ((entity mime-gnus-entity)
161 &optional invisible-fields
163 (luna-call-next-method))
165 (luna-define-method mime-entity-content :around ((entity mime-gnus-entity))
166 (luna-call-next-method))
173 ;;; mmgnus.el ends here