|
175
|
1 ;;; config.el --- access configuration parameters
|
|
|
2
|
|
|
3 ;; Copyright (C) 1997 Sun Microsystems, Inc.
|
|
|
4
|
|
|
5 ;; Author: Martin Buchholz
|
|
|
6 ;; Keywords: configure
|
|
|
7
|
|
|
8 ;; This file is part of XEmacs.
|
|
|
9
|
|
|
10 ;; XEmacs 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 ;; XEmacs 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 XEmacs; see the file COPYING. If not, write to the
|
|
|
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
23 ;; Boston, MA 02111-1307, USA.
|
|
|
24
|
|
|
25 ;;; Synched up with: not in FSF.
|
|
|
26
|
|
|
27 ;;; Commentary:
|
|
|
28
|
|
|
29 ;;; Code:
|
|
|
30
|
|
|
31
|
|
|
32 (defvar config-value-file (expand-file-name "config.values" exec-directory)
|
|
|
33 "File containing configuration parameters and their values.")
|
|
|
34
|
|
|
35 (defvar config-value-hash-table nil
|
|
|
36 "Hashtable to store configuration parameters and their values.")
|
|
|
37
|
|
|
38 ;;;###autoload
|
|
|
39 (defun config-value-hash-table ()
|
|
|
40 "Returns hashtable of configuration parameters and their values."
|
|
|
41 (when (null config-value-hash-table)
|
|
|
42 (setq config-value-hash-table (make-hashtable 300))
|
|
|
43 (save-excursion
|
|
|
44 (let ((buf (get-buffer-create " *Config*")))
|
|
|
45 (set-buffer buf)
|
|
|
46 (erase-buffer)
|
|
|
47 (insert-file-contents config-value-file)
|
|
|
48 (goto-char (point-min))
|
|
|
49 (condition-case nil
|
|
|
50 (while t
|
|
179
|
51 (let* ((key (read buf))
|
|
|
52 (value (read buf))
|
|
|
53 (prev (gethash key config-value-hash-table)))
|
|
|
54 (cond ((null prev)
|
|
|
55 (puthash key value config-value-hash-table))
|
|
|
56 ((atom prev)
|
|
|
57 (puthash key (list prev value) config-value-hash-table))
|
|
|
58 (t
|
|
|
59 (nconc prev (list value))))))
|
|
175
|
60 (end-of-file nil)))
|
|
|
61 (kill-buffer " *Config*")))
|
|
|
62 config-value-hash-table)
|
|
|
63
|
|
|
64 ;;;###autoload
|
|
|
65 (defun config-value (config-symbol)
|
|
|
66 "Return the value of the configuration parameter CONFIG_SYMBOL."
|
|
|
67 (gethash config-symbol (config-value-hash-table)))
|
|
|
68
|
|
|
69 (provide 'config)
|
|
|
70 ;;; config.el ends here
|
