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111 lines
3.2 KiB
EmacsLisp
111 lines
3.2 KiB
EmacsLisp
;;; url-ns.el --- Various netscape-ish functions for proxy definitions
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;; Copyright (C) 1997-1999, 2004-2020 Free Software Foundation, Inc.
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;; Keywords: comm, data, processes, hypermedia
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;; Obsolete-since: 27.1
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This file is obsolete. For more information, see:
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;; https://debbugs.gnu.org/19822
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;;; Code:
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(require 'url-gw)
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;;;###autoload
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(defun isPlainHostName (host)
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(not (string-match "\\." host)))
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;;;###autoload
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(defun dnsDomainIs (host dom)
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(string-match (concat (regexp-quote dom) "$") host))
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;;;###autoload
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(defun dnsResolve (host)
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(url-gateway-nslookup-host host))
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;;;###autoload
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(defun isResolvable (host)
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(if (string-match "^[0-9.]+$" host)
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t
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(not (string= host (url-gateway-nslookup-host host)))))
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;;;###autoload
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(defun isInNet (ip net mask)
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(let ((netc (split-string ip "\\."))
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(ipc (split-string net "\\."))
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(maskc (split-string mask "\\.")))
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(if (or (/= (length netc) (length ipc))
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(/= (length ipc) (length maskc)))
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nil
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(setq netc (mapcar 'string-to-number netc)
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ipc (mapcar 'string-to-number ipc)
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maskc (mapcar 'string-to-number maskc))
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(and
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(= (logand (nth 0 netc) (nth 0 maskc))
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(logand (nth 0 ipc) (nth 0 maskc)))
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(= (logand (nth 1 netc) (nth 1 maskc))
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(logand (nth 1 ipc) (nth 1 maskc)))
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(= (logand (nth 2 netc) (nth 2 maskc))
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(logand (nth 2 ipc) (nth 2 maskc)))
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(= (logand (nth 3 netc) (nth 3 maskc))
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(logand (nth 3 ipc) (nth 3 maskc)))))))
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;; Netscape configuration file parsing
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(defvar url-ns-user-prefs nil
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"Internal, do not use.")
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;;;###autoload
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(defun url-ns-prefs (&optional file)
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(if (not file)
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(setq file (expand-file-name "~/.netscape/preferences.js")))
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(if (not (and (file-exists-p file)
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(file-readable-p file)))
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(message "Could not open %s for reading" file)
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(save-excursion
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(let ((false nil)
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(true t))
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(setq url-ns-user-prefs (make-hash-table :size 13 :test 'equal))
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(set-buffer (get-buffer-create " *ns-parse*"))
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(erase-buffer)
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(insert-file-contents file)
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(goto-char (point-min))
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(while (re-search-forward "^//" nil t)
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(replace-match ";;"))
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(goto-char (point-min))
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(while (re-search-forward "^user_pref(" nil t)
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(replace-match "(url-ns-set-user-pref "))
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(goto-char (point-min))
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(while (re-search-forward "\"," nil t)
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(replace-match "\""))
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(goto-char (point-min))
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(eval-buffer)))))
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(defun url-ns-set-user-pref (key val)
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(puthash key val url-ns-user-prefs))
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;;;###autoload
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(defun url-ns-user-pref (key &optional default)
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(gethash key url-ns-user-prefs default))
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(provide 'url-ns)
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;;; url-ns.el ends here
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