mirror of
git://git.gnupg.org/gnupg.git
synced 2024-12-22 10:19:57 +01:00
b4d25082fd
* tests/gpgscm/repl.scm (prompt-yes-no?): New function. * tests/gpgscm/tests.scm (pathsep-split): Likewise. (pathsep-join): Likewise. (with-path): Use the new function. Signed-off-by: Justus Winter <justus@g10code.com>
70 lines
2.3 KiB
Scheme
70 lines
2.3 KiB
Scheme
;; A read-evaluate-print-loop for gpgscm.
|
|
;;
|
|
;; Copyright (C) 2016 g10 Code GmbH
|
|
;;
|
|
;; This file is part of GnuPG.
|
|
;;
|
|
;; GnuPG 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.
|
|
;;
|
|
;; GnuPG 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, see <http://www.gnu.org/licenses/>.
|
|
|
|
;; Interactive repl using 'prompt' function. P must be a function
|
|
;; that given the current entered prefix returns the prompt to
|
|
;; display.
|
|
(define (repl p environment)
|
|
(call/cc
|
|
(lambda (exit)
|
|
(let loop ((prefix ""))
|
|
(let ((line (prompt (p prefix))))
|
|
(if (and (not (eof-object? line)) (= 0 (string-length line)))
|
|
(exit (loop prefix)))
|
|
(if (not (eof-object? line))
|
|
(let* ((next (string-append prefix line))
|
|
(c (catch (begin (echo "Parse error:" *error*)
|
|
(loop prefix))
|
|
(read (open-input-string next)))))
|
|
(if (not (eof-object? c))
|
|
(begin
|
|
(catch (begin
|
|
(display (car *error*))
|
|
(when (and (cadr *error*)
|
|
(not (null? (cadr *error*))))
|
|
(display ": ")
|
|
(write (cadr *error*)))
|
|
(newline)
|
|
(vm-history-print (caddr *error*)))
|
|
(echo " ===>" (eval c environment)))
|
|
(exit (loop ""))))
|
|
(exit (loop next)))))))))
|
|
|
|
(define (prompt-append-prefix prompt prefix)
|
|
(string-append prompt (if (> (string-length prefix) 0)
|
|
(string-append prefix "...")
|
|
"> ")))
|
|
|
|
;; Default repl run by main.c.
|
|
(define (interactive-repl . environment)
|
|
(repl (lambda (p) (prompt-append-prefix "gpgscm " p))
|
|
(if (null? environment) (interaction-environment) (car environment))))
|
|
|
|
;; Ask a yes/no question.
|
|
(define (prompt-yes-no? question default)
|
|
(let ((answer (prompt (string-append question "? ["
|
|
(if default "Y/n" "y/N") "] "))))
|
|
(cond
|
|
((= 0 (string-length answer))
|
|
default)
|
|
((or (equal? "y" answer) (equal? "Y" answer))
|
|
#t)
|
|
(else
|
|
#f))))
|