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;;; simple.scm --- The R6RS simple I/O library
;; Copyright (C) 2010, 2011, 2014, 2018 Free Software Foundation, Inc.
;;
;; This library is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public
;; License as published by the Free Software Foundation; either
;; version 3 of the License, or (at your option) any later version.
;;
;; This library 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
;; Lesser General Public License for more details.
;;
;; You should have received a copy of the GNU Lesser General Public
;; License along with this library; if not, write to the Free Software
;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
(library (rnrs io simple (6))
(export eof-object
eof-object?
call-with-input-file
call-with-output-file
input-port?
output-port?
current-input-port
current-output-port
current-error-port
with-input-from-file
with-output-to-file
open-input-file
open-output-file
close-input-port
close-output-port
read-char
peek-char
read
write-char
newline
display
write
&i/o make-i/o-error i/o-error?
&i/o-read make-i/o-read-error i/o-read-error?
&i/o-write make-i/o-write-error i/o-write-error?
&i/o-invalid-position
make-i/o-invalid-position-error
i/o-invalid-position-error?
i/o-error-position
&i/o-filename
make-i/o-filename-error
i/o-filename-error?
i/o-error-filename
&i/o-file-protection
make-i/o-file-protection-error
i/o-file-protection-error?
&i/o-file-is-read-only
make-i/o-file-is-read-only-error
i/o-file-is-read-only-error?
&i/o-file-already-exists
make-i/o-file-already-exists-error
i/o-file-already-exists-error?
&i/o-file-does-not-exist
make-i/o-file-does-not-exist-error
i/o-file-does-not-exist-error?
&i/o-port
make-i/o-port-error
i/o-port-error?
i/o-error-port)
(import (only (rnrs io ports)
call-with-port
close-port
open-file-input-port
open-file-output-port
eof-object
eof-object?
file-options
buffer-mode
native-transcoder
get-char
lookahead-char
get-datum
put-char
put-datum
input-port?
output-port?)
(only (guile)
@@
current-input-port
current-output-port
current-error-port
define*
with-input-from-port
with-output-to-port)
(rnrs base (6))
(rnrs files (6)) ;for the condition types
)
(define display (@@ (rnrs io ports) display))
(define (call-with-input-file filename proc)
(call-with-port (open-input-file filename) proc))
(define (call-with-output-file filename proc)
(call-with-port (open-output-file filename) proc))
(define (with-input-from-file filename thunk)
(call-with-input-file filename
(lambda (port) (with-input-from-port port thunk))))
(define (with-output-to-file filename thunk)
(call-with-output-file filename
(lambda (port) (with-output-to-port port thunk))))
(define (open-input-file filename)
(open-file-input-port filename
(file-options)
(buffer-mode block)
(native-transcoder)))
(define (open-output-file filename)
(open-file-output-port filename
(file-options)
(buffer-mode block)
(native-transcoder)))
(define close-input-port close-port)
(define close-output-port close-port)
(define* (read-char #:optional (port (current-input-port)))
(get-char port))
(define* (peek-char #:optional (port (current-input-port)))
(lookahead-char port))
(define* (read #:optional (port (current-input-port)))
(get-datum port))
(define* (write-char char #:optional (port (current-output-port)))
(put-char port char))
(define* (newline #:optional (port (current-output-port)))
(put-char port #\newline))
(define* (write object #:optional (port (current-output-port)))
(put-datum port object))
)
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