GopherProxy

	tio.lisp - clic - Clic is an command line interactive client for gopher written…
	git clone git://bitreich.org/clic/ git://hg6vgqziawt5s4dj.onion/clic/
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	tio.lisp (4612B)
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	1 ;;; -*- Mode: LISP; Syntax: COMMON-LISP; Package: FLEXI-STREAMS; Base: 1…
	2 ;;; $Header: /usr/local/cvsrep/flexi-streams/io.lisp,v 1.2 2008/05/20 23…
	3
	4 ;;; Copyright (c) 2005-2008, Dr. Edmund Weitz. All rights reserved.
	5
	6 ;;; Redistribution and use in source and binary forms, with or without
	7 ;;; modification, are permitted provided that the following conditions
	8 ;;; are met:
	9
	10 ;;; * Redistributions of source code must retain the above copyright
	11 ;;; notice, this list of conditions and the following disclaimer.
	12
	13 ;;; * Redistributions in binary form must reproduce the above
	14 ;;; copyright notice, this list of conditions and the following
	15 ;;; disclaimer in the documentation and/or other materials
	16 ;;; provided with the distribution.
	17
	18 ;;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
	19 ;;; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	20 ;;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	21 ;;; ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
	22 ;;; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	23 ;;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
	24 ;;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	25 ;;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	26 ;;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
	27 ;;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	28 ;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	29
	30 (in-package :flexi-streams)
	31
	32 (defmethod reset-input-state ((flexi-io-stream flexi-io-stream))
	33 "This method is used to clear any state associated with previous
	34 input before output is attempted on the stream. It can fail if the
	35 octet stack is not empty and the stream can't be `rewound'."
	36 (declare #.standard-optimize-settings)
	37 (with-accessors ((last-char-code flexi-stream-last-char-code)
	38 (last-octet flexi-stream-last-octet)
	39 (octet-stack flexi-stream-octet-stack)
	40 (stream flexi-stream-stream))
	41 flexi-io-stream
	42 (when octet-stack
	43 (unless (maybe-rewind stream (length octet-stack))
	44 (error 'flexi-stream-out-of-sync-error
	45 :stream flexi-io-stream))
	46 (setq octet-stack nil))
	47 (setq last-octet nil
	48 last-char-code nil)))
	49
	50 (defmethod stream-write-byte :before ((stream flexi-io-stream) byte)
	51 (declare #.standard-optimize-settings)
	52 (declare (ignore byte))
	53 (reset-input-state stream))
	54
	55 (defmethod stream-write-char :before ((stream flexi-io-stream) char)
	56 (declare #.standard-optimize-settings)
	57 (declare (ignore char))
	58 (reset-input-state stream))
	59
	60 (defmethod stream-write-sequence :before ((stream flexi-io-stream) seque…
	61 (declare #.standard-optimize-settings)
	62 (declare (ignore sequence start end))
	63 (reset-input-state stream))
	64
	65 (defmethod stream-clear-output :before ((stream flexi-io-stream))
	66 (declare #.standard-optimize-settings)
	67 (reset-input-state stream))
	68
	69 (defmethod reset-output-state ((flexi-io-stream flexi-io-stream))
	70 "This method is used to clear any state associated with previous
	71 output before the stream is used for input."
	72 (declare #.standard-optimize-settings)
	73 (with-accessors ((column flexi-stream-column))
	74 flexi-io-stream
	75 (setq column nil)))
	76
	77 (defmethod stream-read-byte :before ((stream flexi-io-stream))
	78 (declare #.standard-optimize-settings)
	79 (reset-output-state stream))
	80
	81 (defmethod stream-read-char :before ((stream flexi-io-stream))
	82 (declare #.standard-optimize-settings)
	83 (reset-output-state stream))
	84
	85 (defmethod stream-read-sequence :before ((stream flexi-io-stream) sequen…
	86 (declare #.standard-optimize-settings)
	87 (declare (ignore sequence start end))
	88 (reset-output-state stream))
	89
	90 (defmethod stream-unread-char :before ((stream flexi-io-stream) char)
	91 (declare #.standard-optimize-settings)
	92 (declare (ignore char))
	93 (reset-output-state stream))
	94
	95 (defmethod unread-byte :before (byte (stream flexi-io-stream))
	96 (declare #.standard-optimize-settings)
	97 (declare (ignore byte))
	98 (reset-output-state stream))
	99
	100 (defmethod stream-clear-input :before ((stream flexi-io-stream))
	101 (declare #.standard-optimize-settings)
	102 (reset-output-state stream))
	103
	104 (defmethod write-byte* :after (byte (stream flexi-io-stream))
	105 "Keep POSITION slot up to date even when performing output."
	106 (declare #.standard-optimize-settings)
	107 (declare (ignore byte))
	108 (with-accessors ((position flexi-stream-position))
	109 stream
	110