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;;;;
;;;; configure.stk -- Skribe configuration options
;;;;
;;;; Copyright � 2004 Erick Gallesio - I3S-CNRS/ESSI <eg@essi.fr>
;;;;
;;;;
;;;; This program 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 of the License, or
;;;; (at your option) any later version.
;;;;
;;;; This program 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 this program; if not, write to the Free Software
;;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
;;;; USA.
;;;;
;;;; Author: Erick Gallesio [eg@essi.fr]
;;;; Creation date: 10-Feb-2004 11:47 (eg)
;;;; Last file update: 17-Feb-2004 09:43 (eg)
;;;;
(define-module SKRIBE-CONFIGURE-MODULE
(export skribe-configure skribe-enforce-configure)
(define %skribe-conf
`((:release ,(skribe-release))
(:scheme ,(skribe-scheme))
(:url ,(skribe-url))
(:doc-dir ,(skribe-doc-dir))
(:ext-dir ,(skribe-ext-dir))
(:default-path ,(skribe-default-path))))
;;;
;;; SKRIBE-CONFIGURE
;;;
(define (skribe-configure . opt)
(let ((conf %skribe-conf))
(cond
((null? opt)
conf)
((null? (cdr opt))
(let ((cell (assq (car opt) conf)))
(if (pair? cell)
(cadr cell)
'void)))
(else
(let loop ((opt opt))
(cond
((null? opt)
#t)
((not (keyword? (car opt)))
#f)
((or (null? (cdr opt)) (keyword? (cadr opt)))
#f)
(else
(let ((cell (assq (car opt) conf)))
(if (and (pair? cell)
(if (procedure? (cadr opt))
((cadr opt) (cadr cell))
(equal? (cadr opt) (cadr cell))))
(loop (cddr opt))
#f)))))))))
;;;
;;; SKRIBE-ENFORCE-CONFIGURE ...
;;;
(define (skribe-enforce-configure . opt)
(let loop ((o opt))
(when (pair? o)
(cond
((or (not (keyword? (car o)))
(null? (cdr o)))
(skribe-error 'skribe-enforce-configure "Illegal enforcement" opt))
((skribe-configure (car o) (cadr o))
(loop (cddr o)))
(else
(skribe-error 'skribe-enforce-configure
(format "Configuration mismatch: ~a" (car o))
(if (procedure? (cadr o))
(format "provided `~a'"
(skribe-configure (car o)))
(format "provided `~a', required `~a'"
(skribe-configure (car o))
(cadr o)))))))))
)
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