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- ;;; config.el --- access configuration parameters
-
- ;; Copyright (C) 1997 Sun Microsystems, Inc.
-
- ;; Author: Martin Buchholz
- ;; Keywords: configure
-
- ;; This file is part of XEmacs.
-
- ;; XEmacs 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.
-
- ;; XEmacs 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 XEmacs; see the file COPYING. If not, write to the
- ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
- ;;; Synched up with: not in FSF.
-
- ;;; Commentary:
-
- ;;; Code:
-
-
- (defvar config-value-file (expand-file-name "config.values" exec-directory)
- "File containing configuration parameters and their values.")
-
- (defvar config-value-hash-table nil
- "Hashtable to store configuration parameters and their values.")
-
- ;;;###autoload
- (defun config-value-hash-table ()
- "Returns hashtable of configuration parameters and their values."
- (when (null config-value-hash-table)
- (setq config-value-hash-table (make-hashtable 300))
- (save-excursion
- (let ((buf (get-buffer-create " *Config*")))
- (set-buffer buf)
- (erase-buffer)
- (insert-file-contents config-value-file)
- (goto-char (point-min))
- (condition-case nil
- (while t
- (let* ((key (read buf))
- (value (read buf))
- (prev (gethash key config-value-hash-table)))
- (cond ((null prev)
- (puthash key value config-value-hash-table))
- ((atom prev)
- (puthash key (list prev value) config-value-hash-table))
- (t
- (nconc prev (list value))))))
- (end-of-file nil)))
- (kill-buffer " *Config*")))
- config-value-hash-table)
-
- ;;;###autoload
- (defun config-value (config-symbol)
- "Return the value of the configuration parameter CONFIG_SYMBOL."
- (gethash config-symbol (config-value-hash-table)))
-
- (provide 'config)
- ;;; config.el ends here
-