-;;; Click --- Command Line Interface Creation Kit for GNU Guile
-;;; Copyright © 2021 Javier Sancho <jsf@jsancho.org>
-;;;
-;;; This file is part of Click.
-;;;
-;;; Click 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 3 of the License, or
-;;; (at your option) any later version.
-;;;
-;;; Click 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 Click. If not, see <http://www.gnu.org/licenses/>.
-
-
-(define-module (click value)
- #:use-module (ice-9 getopt-long)
- #:use-module (ice-9 readline)
- #:use-module (click util)
- #:export (get-option-default-value
- get-values))
-
-
-(define (get-values option-spec values)
- "Return an associated list with values for all the options in option-spec"
- (cond ((null? option-spec)
- '())
- (else
- (let* ((option (car option-spec))
- (option-name (car option))
- (value (get-normalized-value values option option-name)))
- (cons (cons option-name value)
- (get-values (cdr option-spec) values))))))
-
-
-(define (get-normalized-value values option option-name)
- "Get value for option, converting from string to the appropriate value"
- (let ((convert-proc (assoc-ref (option-type option) 'convert))
- (value (option-ref values option-name #f)))
- (cond ((and value (not (option-property option 'flag)))
- (convert-proc value))
- (value
- value)
- (else
- (get-option-default-value option)))))
-
-
-(define* (get-option-default-value option #:optional (no-prompt #f))
- "Get default value for option, asking user if prompt property is set"
- (let ((default (option-property option 'default)))
- (if (not default)
- (let ((prompt (option-property option 'prompt)))
- (if prompt
- (readline (format #f "~a: " prompt))
- default))
- default)))