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;;; url-ns.el --- Various netscape-ish functions for proxy definitions
;; Author: $Author: fx $
;; Created: $Date: 2000/12/20 21:08:02 $
;; Version: $Revision: 1.2 $
;; Keywords: comm, data, processes, hypermedia
;;; Copyright (c) 1997 - 1999 Free Software Foundation, Inc.
;;; This file is part of GNU Emacs.
;;; GNU Emacs is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 2, or (at your option)
;;; any later version.
;;; GNU Emacs is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; GNU General Public License for more details.
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Emacs; see the file COPYING. If not, write to the
;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;;; Boston, MA 02111-1307, USA.
(require 'url-gw)
(defun isPlainHostName (host)
(not (string-match "\\." host)))
(defun dnsDomainIs (host dom)
(string-match (concat (regexp-quote dom) "$") host))
(defun dnsResolve (host)
(url-gateway-nslookup-host host))
(defun isResolvable (host)
(if (string-match "^[0-9.]+$" host)
(not (string= host (url-gateway-nslookup-host host)))))
(defun isInNet (ip net mask)
(let ((netc (split-string ip "\\."))
(ipc (split-string net "\\."))
(maskc (split-string mask "\\.")))
(if (or (/= (length netc) (length ipc))
(/= (length ipc) (length maskc)))
(setq netc (mapcar 'string-to-int netc)
ipc (mapcar 'string-to-int ipc)
maskc (mapcar 'string-to-int maskc))
(= (logand (nth 0 netc) (nth 0 maskc))
(logand (nth 0 ipc) (nth 0 maskc)))
(= (logand (nth 1 netc) (nth 1 maskc))
(logand (nth 1 ipc) (nth 1 maskc)))
(= (logand (nth 2 netc) (nth 2 maskc))
(logand (nth 2 ipc) (nth 2 maskc)))
(= (logand (nth 3 netc) (nth 3 maskc))
(logand (nth 3 ipc) (nth 3 maskc)))))))
;; Netscape configuration file parsing
(defvar url-ns-user-prefs nil
"Internal, do not use.")
(defun url-ns-prefs (&optional file)
(if (not file)
(setq file (expand-file-name "~/.netscape/preferences.js")))
(if (not (and (file-exists-p file)
(file-readable-p file)))
(message "Could not open %s for reading" file)
(let ((false nil)
(true t))
(setq url-ns-user-prefs (make-hash-table :size 13 :test 'equal))
(set-buffer (get-buffer-create " *ns-parse*"))
(insert-file-contents file)
(goto-char (point-min))
(while (re-search-forward "^//" nil t)
(replace-match ";;"))
(goto-char (point-min))
(while (re-search-forward "^user_pref(" nil t)
(replace-match "(url-ns-set-user-pref "))
(goto-char (point-min))
(while (re-search-forward "\"," nil t)
(replace-match "\""))
(goto-char (point-min))
(defun url-ns-set-user-pref (key val)
(puthash key val url-ns-user-prefs))
(defun url-ns-user-pref (key &optional default)
(gethash key url-ns-user-prefs default))
(provide 'url-ns)