1 ;;; url-ns.el --- Various netscape-ish functions for proxy definitions
3 ;; Copyright (C) 1997-1999, 2004-2012 Free Software Foundation, Inc.
5 ;; Keywords: comm, data, processes, hypermedia
7 ;; This file is part of GNU Emacs.
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 3 of the License, or
12 ;; (at your option) any later version.
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.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
27 (defun isPlainHostName (host)
28 (not (string-match "\\." host
)))
31 (defun dnsDomainIs (host dom
)
32 (string-match (concat (regexp-quote dom
) "$") host
))
35 (defun dnsResolve (host)
36 (url-gateway-nslookup-host host
))
39 (defun isResolvable (host)
40 (if (string-match "^[0-9.]+$" host
)
42 (not (string= host
(url-gateway-nslookup-host host
)))))
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
)))
52 (setq netc
(mapcar 'string-to-number netc
)
53 ipc
(mapcar 'string-to-number ipc
)
54 maskc
(mapcar 'string-to-number maskc
))
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
)))))))
65 ;; Netscape configuration file parsing
66 (defvar url-ns-user-prefs nil
67 "Internal, do not use.")
70 (defun url-ns-prefs (&optional 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
)
79 (setq url-ns-user-prefs
(make-hash-table :size
13 :test
'equal
))
80 (set-buffer (get-buffer-create " *ns-parse*"))
82 (insert-file-contents file
)
83 (goto-char (point-min))
84 (while (re-search-forward "^//" nil t
)
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
)
92 (goto-char (point-min))
95 (defun url-ns-set-user-pref (key val
)
96 (puthash key val url-ns-user-prefs
))
99 (defun url-ns-user-pref (key &optional default
)
100 (gethash key url-ns-user-prefs default
))
104 ;;; url-ns.el ends here