1 ;;; Click --- Command Line Interface Creation Kit for GNU Guile
2 ;;; Copyright © 2021 Javier Sancho <jsf@jsancho.org>
4 ;;; This file is part of Click.
6 ;;; Click is free software; you can redistribute it and/or modify it
7 ;;; under the terms of the GNU General Public License as published by
8 ;;; the Free Software Foundation; either version 3 of the License, or
9 ;;; (at your option) any later version.
11 ;;; Click is distributed in the hope that it will be useful, but
12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 ;;; General Public License for more details.
16 ;;; You should have received a copy of the GNU General Public License
17 ;;; along with Click. If not, see <http://www.gnu.org/licenses/>.
20 (define-module (click util)
21 #:use-module (ice-9 getopt-long)
22 #:use-module (ice-9 readline)
23 #:use-module (click constant)
24 #:export (getopt-long-option-spec
25 get-option-default-value
33 (define %program-name (make-fluid "guile"))
34 (define (program-name)
35 (fluid-ref %program-name))
37 (define (getopt-long-option-spec option-spec)
40 (cons (list 'value (not (option-property option 'flag)))
41 (filter (lambda (property)
42 (not (memq (car property) CLICK_PROPERTIES)))
46 (define* (option-property option property-name #:optional (default #f))
47 (let ((property (assq property-name (cdr option))))
52 (define (get-values option-spec values)
53 "Return an associated list with values for all the options in option-spec"
54 (cond ((null? option-spec)
57 (let* ((option (car option-spec))
58 (option-name (car option))
59 (value (or (option-ref values option-name #f)
60 (get-option-default-value option))))
61 (cons (cons option-name value)
62 (get-values (cdr option-spec) values))))))
65 (define* (get-option-default-value option #:optional (no-prompt #f))
66 "Get value for option, asking user if prompt property is set"
67 (let ((default (option-property option 'default)))
69 (let ((prompt (option-property option 'prompt)))
71 (readline (format #f "~a: " prompt))