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;*=====================================================================*/
;* serrano/prgm/project/skribe/src/bigloo/configure.bgl */
;* ------------------------------------------------------------- */
;* Author : Manuel Serrano */
;* Creation : Wed Jul 23 18:42:21 2003 */
;* Last change : Mon Feb 9 06:51:11 2004 (serrano) */
;* Copyright : 2003-04 Manuel Serrano */
;* ------------------------------------------------------------- */
;* The general configuration options. */
;*=====================================================================*/
;*---------------------------------------------------------------------*/
;* The module */
;*---------------------------------------------------------------------*/
(module skribe_configure
(export (skribe-release)
(skribe-url)
(skribe-doc-dir)
(skribe-ext-dir)
(skribe-default-path)
(skribe-scheme)
(skribe-configure . opt)
(skribe-enforce-configure . opt)))
;*---------------------------------------------------------------------*/
;* skribe-configuration ... */
;*---------------------------------------------------------------------*/
(define (skribe-configuration)
`((: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-configuration)))
(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)))
(error 'skribe-enforce-configure
"Illegal enforcement"
opt))
((skribe-configure (car o) (cadr o))
(loop (cddr o)))
(else
(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)))))))))
|
