1;;; url-nfs.el --- NFS URL interface
2
3;; Copyright (C) 1996, 1997, 1998, 1999, 2004,
4;;   2005, 2006, 2007 Free Software Foundation, Inc.
5
6;; Keywords: comm, data, processes
7
8;; This file is part of GNU Emacs.
9;;
10;; GNU Emacs is free software; you can redistribute it and/or modify
11;; it under the terms of the GNU General Public License as published by
12;; the Free Software Foundation; either version 2, or (at your option)
13;; any later version.
14;;
15;; GNU Emacs is distributed in the hope that it will be useful,
16;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18;; GNU General Public License for more details.
19;;
20;; You should have received a copy of the GNU General Public License
21;; along with GNU Emacs; see the file COPYING.  If not, write to the
22;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
23;; Boston, MA 02110-1301, USA.
24
25;;; Commentary:
26
27;;; Code:
28
29(eval-when-compile (require 'cl))
30(require 'url-parse)
31(require 'url-file)
32
33(defvar url-nfs-automounter-directory-spec
34  "file:/net/%h%f"
35  "*How to invoke the NFS automounter.  Certain % sequences are recognized.
36
37%h -- the hostname of the NFS server
38%n -- the port # of the NFS server
39%u -- the username to use to authenticate
40%p -- the password to use to authenticate
41%f -- the filename on the remote server
42%% -- a literal %
43
44Each can be used any number of times.")
45
46(defun url-nfs-unescape (format host port user pass file)
47  (save-excursion
48    (set-buffer (get-buffer-create " *nfs-parse*"))
49    (erase-buffer)
50    (insert format)
51    (goto-char (point-min))
52    (while (re-search-forward "%\\(.\\)" nil t)
53       (let ((escape (aref (match-string 1) 0)))
54	 (replace-match "" t t)
55	 (case escape
56	   (?% (insert "%"))
57	   (?h (insert host))
58	   (?n (insert (or port "")))
59	   (?u (insert (or user "")))
60	   (?p (insert (or pass "")))
61	   (?f (insert (or file "/"))))))
62    (buffer-string)))
63
64(defun url-nfs-build-filename (url)
65  (let* ((host (url-host url))
66	 (port (url-port url))
67	 (pass (url-password url))
68	 (user (url-user url))
69	 (file (url-filename url)))
70    (url-generic-parse-url
71     (url-nfs-unescape url-nfs-automounter-directory-spec
72		       host port user pass file))))
73
74(defun url-nfs (url callback cbargs)
75  (url-file (url-nfs-build-filename url) callback cbargs))
76
77(defmacro url-nfs-create-wrapper (method args)
78  `(defun ,(intern (format "url-nfs-%s" method)) ,args
79     ,(format "NFS URL wrapper around `%s' call." method)
80     (setq url (url-nfs-build-filename url))
81     (and url (,(intern (format "url-file-%s" method))
82	       ,@(remove '&rest (remove '&optional args))))))
83
84(url-nfs-create-wrapper file-exists-p (url))
85(url-nfs-create-wrapper file-attributes (url &optional id-format))
86(url-nfs-create-wrapper file-symlink-p (url))
87(url-nfs-create-wrapper file-readable-p (url))
88(url-nfs-create-wrapper file-writable-p (url))
89(url-nfs-create-wrapper file-executable-p (url))
90(url-nfs-create-wrapper directory-files (url &optional full match nosort))
91(url-nfs-create-wrapper file-truename (url &optional counter prev-dirs))
92
93(provide 'url-nfs)
94
95;; arch-tag: cdf9c9ba-b7d2-4c29-8b48-7ae9bbc0d437
96;;; url-nfs.el ends here
97