f69251d87e
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@7245 212acab6-be3b-0410-9dea-997c60f758d6
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
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* IMatchFinder.h
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*
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* This file is a part of LZMA compression module for NSIS.
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*
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* Original LZMA SDK Copyright (C) 1999-2006 Igor Pavlov
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* Modifications Copyright (C) 2003-2021 Amir Szekely <kichik@netvision.net.il>
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*
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* Licensed under the Common Public License version 1.0 (the "License");
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* you may not use this file except in compliance with the License.
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*
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* Licence details can be found in the file COPYING.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty.
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*/
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#ifndef __IMATCHFINDER_H
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#define __IMATCHFINDER_H
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struct IInWindowStream: public IUnknown
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{
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STDMETHOD(SetStream)(ISequentialInStream *inStream) PURE;
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STDMETHOD_(void, ReleaseStream)() PURE;
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STDMETHOD(Init)() PURE;
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STDMETHOD_(Byte, GetIndexByte)(Int32 index) PURE;
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STDMETHOD_(UInt32, GetMatchLen)(Int32 index, UInt32 distance, UInt32 limit) PURE;
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STDMETHOD_(UInt32, GetNumAvailableBytes)() PURE;
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STDMETHOD_(const Byte *, GetPointerToCurrentPos)() PURE;
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STDMETHOD_(Int32, NeedChangeBufferPos)(UInt32 numCheckBytes) PURE;
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STDMETHOD_(void, ChangeBufferPos)() PURE;
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};
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struct IMatchFinder: public IInWindowStream
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{
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STDMETHOD(Create)(UInt32 historySize, UInt32 keepAddBufferBefore,
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UInt32 matchMaxLen, UInt32 keepAddBufferAfter) PURE;
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STDMETHOD(GetMatches)(UInt32 *distances) PURE;
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STDMETHOD(Skip)(UInt32 num) PURE;
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};
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struct IMatchFinderSetNumPasses
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{
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virtual void SetNumPasses(UInt32 numPasses) PURE;
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};
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#endif
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