mirror of
https://github.com/MacPaw/XADMaster.git
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50 lines
1.6 KiB
Objective-C
50 lines
1.6 KiB
Objective-C
/*
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* XADLZSSHandle.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 "CSByteStreamHandle.h"
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#define XADLZSSMatch -1
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#define XADLZSSEnd -2
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@interface XADLZSSHandle:CSByteStreamHandle
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{
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int (*nextliteral_ptr)(id,SEL,int *,int *,off_t);
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@public
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uint8_t *windowbuffer;
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int windowmask,matchlength,matchoffset;
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}
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-(id)initWithInputBufferForHandle:(CSHandle *)handle windowSize:(int)windowsize;
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-(id)initWithInputBufferForHandle:(CSHandle *)handle length:(off_t)length windowSize:(int)windowsize;
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-(void)dealloc;
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-(void)resetByteStream;
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-(uint8_t)produceByteAtOffset:(off_t)pos;
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-(void)resetLZSSHandle;
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-(int)nextLiteralOrOffset:(int *)offset andLength:(int *)length atPosition:(off_t)pos;
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@end
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static inline uint8_t XADLZSSByteFromWindow(XADLZSSHandle *self,off_t absolutepos)
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{
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return self->windowbuffer[absolutepos&self->windowmask];
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}
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