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8c8b8430 | 1 | ;;; url-ns.el --- Various netscape-ish functions for proxy definitions |
00eef4de | 2 | |
ba318903 | 3 | ;; Copyright (C) 1997-1999, 2004-2014 Free Software Foundation, Inc. |
00eef4de | 4 | |
8c8b8430 SM |
5 | ;; Keywords: comm, data, processes, hypermedia |
6 | ||
00eef4de LH |
7 | ;; This file is part of GNU Emacs. |
8 | ||
4936186e | 9 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
00eef4de | 10 | ;; it under the terms of the GNU General Public License as published by |
4936186e GM |
11 | ;; the Free Software Foundation, either version 3 of the License, or |
12 | ;; (at your option) any later version. | |
00eef4de LH |
13 | |
14 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;; GNU General Public License for more details. | |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
4936186e | 20 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
00eef4de LH |
21 | |
22 | ;;; Code: | |
8c8b8430 SM |
23 | |
24 | (require 'url-gw) | |
25 | ||
26 | ;;;###autoload | |
27 | (defun isPlainHostName (host) | |
28 | (not (string-match "\\." host))) | |
29 | ||
30 | ;;;###autoload | |
31 | (defun dnsDomainIs (host dom) | |
32 | (string-match (concat (regexp-quote dom) "$") host)) | |
33 | ||
34 | ;;;###autoload | |
35 | (defun dnsResolve (host) | |
36 | (url-gateway-nslookup-host host)) | |
37 | ||
38 | ;;;###autoload | |
39 | (defun isResolvable (host) | |
40 | (if (string-match "^[0-9.]+$" host) | |
41 | t | |
42 | (not (string= host (url-gateway-nslookup-host host))))) | |
43 | ||
44 | ;;;###autoload | |
45 | (defun isInNet (ip net mask) | |
46 | (let ((netc (split-string ip "\\.")) | |
47 | (ipc (split-string net "\\.")) | |
48 | (maskc (split-string mask "\\."))) | |
49 | (if (or (/= (length netc) (length ipc)) | |
50 | (/= (length ipc) (length maskc))) | |
51 | nil | |
216d3806 JB |
52 | (setq netc (mapcar 'string-to-number netc) |
53 | ipc (mapcar 'string-to-number ipc) | |
54 | maskc (mapcar 'string-to-number maskc)) | |
8c8b8430 SM |
55 | (and |
56 | (= (logand (nth 0 netc) (nth 0 maskc)) | |
57 | (logand (nth 0 ipc) (nth 0 maskc))) | |
58 | (= (logand (nth 1 netc) (nth 1 maskc)) | |
59 | (logand (nth 1 ipc) (nth 1 maskc))) | |
60 | (= (logand (nth 2 netc) (nth 2 maskc)) | |
61 | (logand (nth 2 ipc) (nth 2 maskc))) | |
62 | (= (logand (nth 3 netc) (nth 3 maskc)) | |
63 | (logand (nth 3 ipc) (nth 3 maskc))))))) | |
64 | ||
65 | ;; Netscape configuration file parsing | |
66 | (defvar url-ns-user-prefs nil | |
67 | "Internal, do not use.") | |
68 | ||
69 | ;;;###autoload | |
70 | (defun url-ns-prefs (&optional file) | |
71 | (if (not file) | |
72 | (setq file (expand-file-name "~/.netscape/preferences.js"))) | |
73 | (if (not (and (file-exists-p file) | |
74 | (file-readable-p file))) | |
75 | (message "Could not open %s for reading" file) | |
76 | (save-excursion | |
77 | (let ((false nil) | |
78 | (true t)) | |
79 | (setq url-ns-user-prefs (make-hash-table :size 13 :test 'equal)) | |
80 | (set-buffer (get-buffer-create " *ns-parse*")) | |
81 | (erase-buffer) | |
82 | (insert-file-contents file) | |
83 | (goto-char (point-min)) | |
84 | (while (re-search-forward "^//" nil t) | |
85 | (replace-match ";;")) | |
86 | (goto-char (point-min)) | |
87 | (while (re-search-forward "^user_pref(" nil t) | |
88 | (replace-match "(url-ns-set-user-pref ")) | |
89 | (goto-char (point-min)) | |
90 | (while (re-search-forward "\"," nil t) | |
91 | (replace-match "\"")) | |
92 | (goto-char (point-min)) | |
93 | (eval-buffer))))) | |
94 | ||
95 | (defun url-ns-set-user-pref (key val) | |
96 | (puthash key val url-ns-user-prefs)) | |
97 | ||
98 | ;;;###autoload | |
99 | (defun url-ns-user-pref (key &optional default) | |
100 | (gethash key url-ns-user-prefs default)) | |
101 | ||
102 | (provide 'url-ns) | |
e5566bd5 | 103 | |
00eef4de | 104 | ;;; url-ns.el ends here |