Commit | Line | Data |
---|---|---|
23f87bed | 1 | ;;; mm-extern.el --- showing message/external-body |
e84b4b86 TTN |
2 | |
3 | ;; Copyright (C) 2000, 2001, 2002, 2003, 2004, | |
e3fe4da0 | 4 | ;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
23f87bed MB |
5 | |
6 | ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu> | |
7 | ;; Keywords: message external-body | |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published | |
5a9dffec | 13 | ;; by the Free Software Foundation; either version 3, or (at your |
23f87bed MB |
14 | ;; option) any later version. |
15 | ||
16 | ;; GNU Emacs 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. | |
20 | ||
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 | |
3a35cf56 LK |
23 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
24 | ;; Boston, MA 02110-1301, USA. | |
23f87bed MB |
25 | |
26 | ;;; Commentary: | |
27 | ||
28 | ;;; Code: | |
29 | ||
f72f1503 GM |
30 | ;; For Emacs < 22.2. |
31 | (eval-and-compile | |
32 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))) | |
33 | ||
23f87bed MB |
34 | (eval-when-compile (require 'cl)) |
35 | ||
36 | (require 'mm-util) | |
37 | (require 'mm-decode) | |
38 | (require 'mm-url) | |
39 | ||
0654efe0 JB |
40 | (defvar gnus-article-mime-handles) |
41 | ||
23f87bed MB |
42 | (defvar mm-extern-function-alist |
43 | '((local-file . mm-extern-local-file) | |
44 | (url . mm-extern-url) | |
45 | (anon-ftp . mm-extern-anon-ftp) | |
46 | (ftp . mm-extern-ftp) | |
47 | ;;; (tftp . mm-extern-tftp) | |
48 | (mail-server . mm-extern-mail-server) | |
49 | ;;; (afs . mm-extern-afs)) | |
50 | )) | |
51 | ||
52 | (defvar mm-extern-anonymous "anonymous") | |
53 | ||
54 | (defun mm-extern-local-file (handle) | |
55 | (erase-buffer) | |
56 | (let ((name (cdr (assq 'name (cdr (mm-handle-type handle))))) | |
57 | (coding-system-for-read mm-binary-coding-system)) | |
58 | (unless name | |
59 | (error "The filename is not specified")) | |
60 | (mm-disable-multibyte) | |
61 | (if (file-exists-p name) | |
62 | (mm-insert-file-contents name nil nil nil nil t) | |
d7cd3710 | 63 | (error "File %s is gone" name)))) |
23f87bed MB |
64 | |
65 | (defun mm-extern-url (handle) | |
66 | (erase-buffer) | |
67 | (let ((url (cdr (assq 'url (cdr (mm-handle-type handle))))) | |
68 | (name buffer-file-name) | |
69 | (coding-system-for-read mm-binary-coding-system)) | |
70 | (unless url | |
71 | (error "URL is not specified")) | |
72 | (mm-with-unibyte-current-buffer | |
73 | (mm-url-insert-file-contents url)) | |
74 | (mm-disable-multibyte) | |
75 | (setq buffer-file-name name))) | |
76 | ||
77 | (defun mm-extern-anon-ftp (handle) | |
78 | (erase-buffer) | |
79 | (let* ((params (cdr (mm-handle-type handle))) | |
80 | (name (cdr (assq 'name params))) | |
81 | (site (cdr (assq 'site params))) | |
82 | (directory (cdr (assq 'directory params))) | |
83 | (mode (cdr (assq 'mode params))) | |
84 | (path (concat "/" (or mm-extern-anonymous | |
85 | (read-string (format "ID for %s: " site))) | |
86 | "@" site ":" directory "/" name)) | |
87 | (coding-system-for-read mm-binary-coding-system)) | |
88 | (unless name | |
89 | (error "The filename is not specified")) | |
90 | (mm-disable-multibyte) | |
91 | (mm-insert-file-contents path nil nil nil nil t))) | |
92 | ||
93 | (defun mm-extern-ftp (handle) | |
94 | (let (mm-extern-anonymous) | |
95 | (mm-extern-anon-ftp handle))) | |
96 | ||
f72f1503 GM |
97 | (declare-function message-goto-body "message" (&optional interactivep)) |
98 | ||
23f87bed MB |
99 | (defun mm-extern-mail-server (handle) |
100 | (require 'message) | |
101 | (let* ((params (cdr (mm-handle-type handle))) | |
102 | (server (cdr (assq 'server params))) | |
103 | (subject (or (cdr (assq 'subject params)) "none")) | |
104 | (buf (current-buffer)) | |
105 | info) | |
5dab7628 | 106 | (if (y-or-n-p (format "Send a request message to %s? " server)) |
23f87bed MB |
107 | (save-window-excursion |
108 | (message-mail server subject) | |
109 | (message-goto-body) | |
110 | (delete-region (point) (point-max)) | |
111 | (insert-buffer-substring buf) | |
112 | (message "Requesting external body...") | |
113 | (message-send-and-exit) | |
114 | (setq info "Request is sent.") | |
115 | (message info)) | |
116 | (setq info "Request is not sent.")) | |
117 | (goto-char (point-min)) | |
118 | (insert "[" info "]\n\n"))) | |
119 | ||
120 | ;;;###autoload | |
531bedc3 MB |
121 | (defun mm-extern-cache-contents (handle) |
122 | "Put the external-body part of HANDLE into its cache." | |
23f87bed MB |
123 | (let* ((access-type (cdr (assq 'access-type |
124 | (cdr (mm-handle-type handle))))) | |
125 | (func (cdr (assq (intern | |
126 | (downcase | |
127 | (or access-type | |
128 | (error "Couldn't find access type")))) | |
129 | mm-extern-function-alist))) | |
531bedc3 MB |
130 | buf handles) |
131 | (unless func | |
132 | (error "Access type (%s) is not supported" access-type)) | |
133 | (mm-with-part handle | |
134 | (goto-char (point-max)) | |
135 | (insert "\n\n") | |
136 | ;; It should be just a single MIME handle. | |
137 | (setq handles (mm-dissect-buffer t))) | |
138 | (unless (bufferp (car handles)) | |
139 | (mm-destroy-parts handles) | |
140 | (error "Multipart external body is not supported")) | |
141 | (save-excursion | |
142 | (set-buffer (setq buf (mm-handle-buffer handles))) | |
143 | (let (good) | |
144 | (unwind-protect | |
145 | (progn | |
146 | (funcall func handle) | |
147 | (setq good t)) | |
148 | (unless good | |
149 | (mm-destroy-parts handles)))) | |
150 | (mm-handle-set-cache handle handles)) | |
151 | (setq gnus-article-mime-handles | |
152 | (mm-merge-handles gnus-article-mime-handles handles)))) | |
153 | ||
154 | ;;;###autoload | |
155 | (defun mm-inline-external-body (handle &optional no-display) | |
156 | "Show the external-body part of HANDLE. | |
157 | This function replaces the buffer of HANDLE with a buffer contains | |
158 | the entire message. | |
159 | If NO-DISPLAY is nil, display it. Otherwise, do nothing after replacing." | |
160 | (unless (mm-handle-cache handle) | |
161 | (mm-extern-cache-contents handle)) | |
162 | (unless no-display | |
163 | (save-excursion | |
164 | (save-restriction | |
165 | (narrow-to-region (point) (point)) | |
163cb72d MB |
166 | (mm-display-part (mm-handle-cache handle)))) |
167 | ;; Move undisplayer added to the cached handle to the parent. | |
168 | (mm-handle-set-undisplayer | |
169 | handle (mm-handle-undisplayer (mm-handle-cache handle))) | |
170 | (mm-handle-set-undisplayer (mm-handle-cache handle) nil))) | |
23f87bed MB |
171 | |
172 | (provide 'mm-extern) | |
173 | ||
cbee283d | 174 | ;; arch-tag: 9653808e-14d9-4172-86e6-adceaa05378e |
23f87bed | 175 | ;;; mm-extern.el ends here |