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+;;; url-nfs.el --- NFS URL interface
+
+;; Copyright (c) 1996,97,98,1999,2004  Free Software Foundation, Inc.
+;; Copyright (c) 1996 by William M. Perry <wmperry@cs.indiana.edu>
+
+;; Keywords: comm, data, processes
+
+;; 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
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; 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.
+
+;;; Commentary:
+
+;;; Code:
+
+(eval-when-compile (require 'cl))
+(require 'url-parse)
+(require 'url-file)
+
+(defvar url-nfs-automounter-directory-spec
+  "file:/net/%h%f"
+  "*How to invoke the NFS automounter.  Certain % sequences are recognized.
+
+%h -- the hostname of the NFS server
+%n -- the port # of the NFS server
+%u -- the username to use to authenticate
+%p -- the password to use to authenticate
+%f -- the filename on the remote server
+%% -- a literal %
+
+Each can be used any number of times.")
+
+(defun url-nfs-unescape (format host port user pass file)
+  (save-excursion
+    (set-buffer (get-buffer-create " *nfs-parse*"))
+    (erase-buffer)
+    (insert format)
+    (goto-char (point-min))
+    (while (re-search-forward "%\\(.\\)" nil t)
+       (let ((escape (aref (match-string 1) 0)))
+	 (replace-match "" t t)
+	 (case escape
+	   (?% (insert "%"))
+	   (?h (insert host))
+	   (?n (insert (or port "")))
+	   (?u (insert (or user "")))
+	   (?p (insert (or pass "")))
+	   (?f (insert (or file "/"))))))
+    (buffer-string)))
+
+(defun url-nfs-build-filename (url)
+  (let* ((host (url-host url))
+	 (port (string-to-int (url-port url)))
+	 (pass (url-password url))
+	 (user (url-user url))
+	 (file (url-filename url)))
+    (url-generic-parse-url
+     (url-nfs-unescape url-nfs-automounter-directory-spec
+		       host port user pass file))))
+
+(defun url-nfs (url callback cbargs)
+  (url-file (url-nfs-build-filename url) callback cbargs))
+
+(defmacro url-nfs-create-wrapper (method args)
+  `(defun ,(intern (format "url-nfs-%s" method)) ,args
+     ,(format "NFS URL wrapper around `%s' call." method)
+     (setq url (url-nfs-build-filename url))
+     (and url (,(intern (format "url-file-%s" method))
+	       ,@(remove '&rest (remove '&optional args))))))
+
+(url-nfs-create-wrapper file-exists-p (url))
+(url-nfs-create-wrapper file-attributes (url &optional id-format))
+(url-nfs-create-wrapper file-symlink-p (url))
+(url-nfs-create-wrapper file-readable-p (url))
+(url-nfs-create-wrapper file-writable-p (url))
+(url-nfs-create-wrapper file-executable-p (url))
+(if (featurep 'xemacs)
+    (progn
+      (url-nfs-create-wrapper directory-files (url &optional full match nosort files-only))
+      (url-nfs-create-wrapper file-truename (url &optional default)))
+  (url-nfs-create-wrapper directory-files (url &optional full match nosort))
+  (url-nfs-create-wrapper file-truename (url &optional counter prev-dirs)))
+
+(provide 'url-nfs)
+
+;; arch-tag: cdf9c9ba-b7d2-4c29-8b48-7ae9bbc0d437
+;;; url-nfs.el ends here