lw-char-stream.lisp - clic - Clic is an command line interactive client for gopher written in Common LISP (HTM) git clone git://bitreich.org/clic/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/clic/ (DIR) Log (DIR) Files (DIR) Refs (DIR) Tags (DIR) README (DIR) LICENSE --- lw-char-stream.lisp (3652B) --- 1 ;;; -*- Mode: LISP; Syntax: COMMON-LISP; Package: FLEXI-STREAMS; Base: 10 -*- 2 ;;; $Header: /usr/local/cvsrep/flexi-streams/lw-char-stream.lisp,v 1.1 2008/05/23 14:43:09 edi Exp $ 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 (defclass flexi-char-output-stream (flexi-output-stream) 33 () 34 (:documentation "This class is for output streams where the 35 underlying stream is bivalent but not binary. It exists solely for 36 the purpose of optimizing output to binary streams on LispWorks. See 37 WRITE-BYTE*.")) 38 39 (defclass flexi-char-input-stream (flexi-input-stream) 40 () 41 (:documentation "This class is for input streams where the 42 underlying stream is bivalent but not binary. It exists solely for 43 the purpose of optimizing input to binary streams on LispWorks. See 44 READ-BYTE*.")) 45 46 (defclass flexi-char-io-stream (flexi-char-input-stream flexi-char-output-stream flexi-io-stream) 47 () 48 (:documentation "This class is for bidirectional streams where the 49 underlying stream is bivalent but not binary. It exists solely for 50 the purpose of optimizing input and output from/to binary streams on 51 LispWorks. See READ-BYTE* and WRITE-BYTE*.")) 52 53 (defmethod initialize-instance :after ((flexi-stream flexi-output-stream) &rest initargs) 54 "Might change the class of FLEXI-STREAM for optimization purposes. 55 Only needed for LispWorks." 56 (declare #.*standard-optimize-settings*) 57 (declare (ignore initargs)) 58 (with-accessors ((stream flexi-stream-stream)) 59 flexi-stream 60 (unless (subtypep (stream-element-type stream) 'octet) 61 (change-class flexi-stream 62 (typecase flexi-stream 63 (flexi-io-stream 'flexi-char-io-stream) 64 (otherwise 'flexi-char-output-stream)))))) 65 66 (defmethod initialize-instance :after ((flexi-stream flexi-input-stream) &rest initargs) 67 "Might change the class of FLEXI-STREAM for optimization purposes. 68 Only needed for LispWorks." 69 (declare #.*standard-optimize-settings*) 70 (declare (ignore initargs)) 71 (with-accessors ((stream flexi-stream-stream)) 72 flexi-stream 73 (unless (subtypep (stream-element-type stream) 'octet) 74 (change-class flexi-stream 75 (typecase flexi-stream 76 (flexi-io-stream 'flexi-char-io-stream) 77 (otherwise 'flexi-char-input-stream))))))