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48 lines
1.5 KiB
Objective-C
48 lines
1.5 KiB
Objective-C
/*
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* XADNowCompressHandle.h
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*
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* Copyright (c) 2017-present, MacPaw Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#import "CSBlockStreamHandle.h"
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@interface XADNowCompressHandle:CSBlockStreamHandle
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{
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NSMutableArray *files;
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int nextfile;
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struct
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{
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uint32_t offset,length;
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int flags;
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} *blocks;
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int maxblocks,numblocks,nextblock;
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uint8_t inblock[0x8000],outblock[0x10000],dictionarycache[0x8000];
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}
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-(id)initWithHandle:(CSHandle *)handle files:(NSMutableArray *)filesarray;
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-(void)resetBlockStream;
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-(BOOL)parseAndCheckFileHeaderWithHeaderOffset:(uint32_t)headeroffset
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firstOffset:(uint32_t)firstoffset delta:(int32_t)delta;
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-(int)findFileHeaderDeltaWithHeaderOffset:(uint32_t)headeroffset firstOffset:(uint32_t)firstoffset;
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-(BOOL)readNextFileHeader;
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-(int)produceBlockAtOffset:(off_t)pos;
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@end
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