file.h revision 1.1.2.2
1 1.1.2.2 bouyer /* -*-C++-*- $NetBSD: file.h,v 1.1.2.2 2001/02/11 19:09:50 bouyer Exp $ */ 2 1.1.2.2 bouyer 3 1.1.2.2 bouyer /*- 4 1.1.2.2 bouyer * Copyright (c) 1996, 2001 The NetBSD Foundation, Inc. 5 1.1.2.2 bouyer * All rights reserved. 6 1.1.2.2 bouyer * 7 1.1.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 bouyer * by Matthias Drochner. and UCHIYAMA Yasushi. 9 1.1.2.2 bouyer * 10 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 12 1.1.2.2 bouyer * are met: 13 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 19 1.1.2.2 bouyer * must display the following acknowledgement: 20 1.1.2.2 bouyer * This product includes software developed by the NetBSD 21 1.1.2.2 bouyer * Foundation, Inc. and its contributors. 22 1.1.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.2.2 bouyer * contributors may be used to endorse or promote products derived 24 1.1.2.2 bouyer * from this software without specific prior written permission. 25 1.1.2.2 bouyer * 26 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 37 1.1.2.2 bouyer */ 38 1.1.2.2 bouyer 39 1.1.2.2 bouyer #ifndef _HPCBOOT_FILE_H_ 40 1.1.2.2 bouyer #define _HPCBOOT_FILE_H_ 41 1.1.2.2 bouyer 42 1.1.2.2 bouyer #include <hpcboot.h> 43 1.1.2.2 bouyer 44 1.1.2.2 bouyer class Console; 45 1.1.2.2 bouyer struct z_stream_s; 46 1.1.2.2 bouyer 47 1.1.2.2 bouyer class File { 48 1.1.2.2 bouyer protected: 49 1.1.2.2 bouyer Console *&_cons; 50 1.1.2.2 bouyer BOOL _debug; 51 1.1.2.2 bouyer BOOL _to_ascii(char *, const TCHAR *, size_t); 52 1.1.2.2 bouyer char _ascii_filename[MAX_PATH]; 53 1.1.2.2 bouyer 54 1.1.2.2 bouyer public: 55 1.1.2.2 bouyer File(Console *&cons) : _cons(cons) { /* NO-OP */ } 56 1.1.2.2 bouyer virtual ~File() { /* NO-OP */ } 57 1.1.2.2 bouyer BOOL &setDebug(void) { return _debug; } 58 1.1.2.2 bouyer 59 1.1.2.2 bouyer virtual BOOL setRoot(TCHAR *) = 0; 60 1.1.2.2 bouyer virtual BOOL open(const TCHAR *, u_int32_t = OPEN_EXISTING) = 0; 61 1.1.2.2 bouyer virtual size_t size(void) = 0; 62 1.1.2.2 bouyer virtual BOOL close(void) = 0; 63 1.1.2.2 bouyer virtual size_t read(void *, size_t, off_t = -1) = 0; 64 1.1.2.2 bouyer virtual size_t write(const void *, size_t, off_t = -1) = 0; 65 1.1.2.2 bouyer virtual BOOL seek(off_t) = 0; 66 1.1.2.2 bouyer }; 67 1.1.2.2 bouyer 68 1.1.2.2 bouyer class FileManager : public File { 69 1.1.2.2 bouyer // GZIP staff 70 1.1.2.2 bouyer #define Z_BUFSIZE 1024 71 1.1.2.2 bouyer private: 72 1.1.2.2 bouyer enum flags { 73 1.1.2.2 bouyer ASCII_FLAG = 0x01, /* bit 0 set: file probably ascii text */ 74 1.1.2.2 bouyer HEAD_CRC = 0x02, /* bit 1 set: header CRC present */ 75 1.1.2.2 bouyer EXTRA_FIELD = 0x04, /* bit 2 set: extra field present */ 76 1.1.2.2 bouyer ORIG_NAME = 0x08, /* bit 3 set: original file name present */ 77 1.1.2.2 bouyer COMMENT = 0x10, /* bit 4 set: file comment present */ 78 1.1.2.2 bouyer RESERVED = 0xE0 /* bits 5..7: reserved */ 79 1.1.2.2 bouyer }; 80 1.1.2.2 bouyer 81 1.1.2.2 bouyer struct z_stream_s *_stream; 82 1.1.2.2 bouyer int _gz_magic[2]; 83 1.1.2.2 bouyer int _z_err; /* error code for last stream operation */ 84 1.1.2.2 bouyer int _z_eof; /* set if end of input file */ 85 1.1.2.2 bouyer u_int8_t _inbuf[Z_BUFSIZE]; /* input buffer */ 86 1.1.2.2 bouyer u_int32_t _crc; /* crc32 of uncompressed data */ 87 1.1.2.2 bouyer BOOL _compressed; 88 1.1.2.2 bouyer 89 1.1.2.2 bouyer void _reset(void); 90 1.1.2.2 bouyer int _get_byte(void); 91 1.1.2.2 bouyer u_int32_t _get_long(void); 92 1.1.2.2 bouyer void _check_header(void); 93 1.1.2.2 bouyer 94 1.1.2.2 bouyer off_t _cur_ofs; 95 1.1.2.2 bouyer 96 1.1.2.2 bouyer private: 97 1.1.2.2 bouyer File *_file; 98 1.1.2.2 bouyer 99 1.1.2.2 bouyer public: 100 1.1.2.2 bouyer FileManager(Console *&, enum FileOps); 101 1.1.2.2 bouyer virtual ~FileManager(void); 102 1.1.2.2 bouyer 103 1.1.2.2 bouyer BOOL setRoot(TCHAR *); 104 1.1.2.2 bouyer BOOL open(const TCHAR *, u_int32_t); 105 1.1.2.2 bouyer size_t size(void); 106 1.1.2.2 bouyer BOOL close(void); 107 1.1.2.2 bouyer size_t read(void *, size_t, off_t = -1); 108 1.1.2.2 bouyer size_t write(const void *, size_t, off_t = -1); 109 1.1.2.2 bouyer BOOL seek(off_t); 110 1.1.2.2 bouyer size_t _read(void *, size_t); 111 1.1.2.2 bouyer }; 112 1.1.2.2 bouyer 113 1.1.2.2 bouyer #endif //_HPCBOOT_FILE_H_ 114
Indexes created Wed Sep 24 05:09:52 GMT 2025