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8c8b8430 | 1 | ;;; url-ns.el --- Various netscape-ish functions for proxy definitions |
00eef4de LH |
2 | |
3 | ;; Copyright (c) 1997 - 1999 Free Software Foundation, Inc. | |
4 | ||
8c8b8430 SM |
5 | ;; Keywords: comm, data, processes, hypermedia |
6 | ||
00eef4de LH |
7 | ;; This file is part of GNU Emacs. |
8 | ||
9 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
10 | ;; it under the terms of the GNU General Public License as published by | |
11 | ;; the Free Software Foundation; either version 2, or (at your option) | |
12 | ;; any later version. | |
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 | |
20 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
4fc5845f LK |
21 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
22 | ;; Boston, MA 02110-1301, USA. | |
00eef4de LH |
23 | |
24 | ;;; Code: | |
8c8b8430 SM |
25 | |
26 | (require 'url-gw) | |
27 | ||
28 | ;;;###autoload | |
29 | (defun isPlainHostName (host) | |
30 | (not (string-match "\\." host))) | |
31 | ||
32 | ;;;###autoload | |
33 | (defun dnsDomainIs (host dom) | |
34 | (string-match (concat (regexp-quote dom) "$") host)) | |
35 | ||
36 | ;;;###autoload | |
37 | (defun dnsResolve (host) | |
38 | (url-gateway-nslookup-host host)) | |
39 | ||
40 | ;;;###autoload | |
41 | (defun isResolvable (host) | |
42 | (if (string-match "^[0-9.]+$" host) | |
43 | t | |
44 | (not (string= host (url-gateway-nslookup-host host))))) | |
45 | ||
46 | ;;;###autoload | |
47 | (defun isInNet (ip net mask) | |
48 | (let ((netc (split-string ip "\\.")) | |
49 | (ipc (split-string net "\\.")) | |
50 | (maskc (split-string mask "\\."))) | |
51 | (if (or (/= (length netc) (length ipc)) | |
52 | (/= (length ipc) (length maskc))) | |
53 | nil | |
216d3806 JB |
54 | (setq netc (mapcar 'string-to-number netc) |
55 | ipc (mapcar 'string-to-number ipc) | |
56 | maskc (mapcar 'string-to-number maskc)) | |
8c8b8430 SM |
57 | (and |
58 | (= (logand (nth 0 netc) (nth 0 maskc)) | |
59 | (logand (nth 0 ipc) (nth 0 maskc))) | |
60 | (= (logand (nth 1 netc) (nth 1 maskc)) | |
61 | (logand (nth 1 ipc) (nth 1 maskc))) | |
62 | (= (logand (nth 2 netc) (nth 2 maskc)) | |
63 | (logand (nth 2 ipc) (nth 2 maskc))) | |
64 | (= (logand (nth 3 netc) (nth 3 maskc)) | |
65 | (logand (nth 3 ipc) (nth 3 maskc))))))) | |
66 | ||
67 | ;; Netscape configuration file parsing | |
68 | (defvar url-ns-user-prefs nil | |
69 | "Internal, do not use.") | |
70 | ||
71 | ;;;###autoload | |
72 | (defun url-ns-prefs (&optional file) | |
73 | (if (not file) | |
74 | (setq file (expand-file-name "~/.netscape/preferences.js"))) | |
75 | (if (not (and (file-exists-p file) | |
76 | (file-readable-p file))) | |
77 | (message "Could not open %s for reading" file) | |
78 | (save-excursion | |
79 | (let ((false nil) | |
80 | (true t)) | |
81 | (setq url-ns-user-prefs (make-hash-table :size 13 :test 'equal)) | |
82 | (set-buffer (get-buffer-create " *ns-parse*")) | |
83 | (erase-buffer) | |
84 | (insert-file-contents file) | |
85 | (goto-char (point-min)) | |
86 | (while (re-search-forward "^//" nil t) | |
87 | (replace-match ";;")) | |
88 | (goto-char (point-min)) | |
89 | (while (re-search-forward "^user_pref(" nil t) | |
90 | (replace-match "(url-ns-set-user-pref ")) | |
91 | (goto-char (point-min)) | |
92 | (while (re-search-forward "\"," nil t) | |
93 | (replace-match "\"")) | |
94 | (goto-char (point-min)) | |
95 | (eval-buffer))))) | |
96 | ||
97 | (defun url-ns-set-user-pref (key val) | |
98 | (puthash key val url-ns-user-prefs)) | |
99 | ||
100 | ;;;###autoload | |
101 | (defun url-ns-user-pref (key &optional default) | |
102 | (gethash key url-ns-user-prefs default)) | |
103 | ||
104 | (provide 'url-ns) | |
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105 | |
106 | ;;; arch-tag: 69520992-cf97-40b4-9ad1-c866d3cae5bf | |
00eef4de | 107 | ;;; url-ns.el ends here |