62d9a4c2f7
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@7072 212acab6-be3b-0410-9dea-997c60f758d6
98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
/*
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* BinTreeMFMain.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) 2003-2019 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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// #include "StdAfx.h"
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// #include "BinTreeMF.h"
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#include "BinTreeMain.h"
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namespace BT_NAMESPACE {
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void CInTree2::BeforeMoveBlock()
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{
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if (_callback)
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_callback->BeforeChangingBufferPos();
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CInTree::BeforeMoveBlock();
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}
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void CInTree2::AfterMoveBlock()
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{
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CInTree::AfterMoveBlock();
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if (_callback)
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_callback->AfterChangingBufferPos();
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}
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STDMETHODIMP CMatchFinderBinTree::Init(ISequentialInStream *stream)
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{ return _matchFinder.Init(stream); }
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STDMETHODIMP_(void) CMatchFinderBinTree::ReleaseStream()
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{
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// _matchFinder.ReleaseStream();
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}
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STDMETHODIMP CMatchFinderBinTree::MovePos()
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{ return _matchFinder.MovePos(); }
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STDMETHODIMP_(Byte) CMatchFinderBinTree::GetIndexByte(Int32 index)
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{ return _matchFinder.GetIndexByte(index); }
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STDMETHODIMP_(UInt32) CMatchFinderBinTree::GetMatchLen(Int32 index,
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UInt32 back, UInt32 limit)
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{ return _matchFinder.GetMatchLen(index, back, limit); }
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STDMETHODIMP_(UInt32) CMatchFinderBinTree::GetNumAvailableBytes()
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{ return _matchFinder.GetNumAvailableBytes(); }
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STDMETHODIMP CMatchFinderBinTree::Create(UInt32 sizeHistory,
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UInt32 keepAddBufferBefore, UInt32 matchMaxLen,
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UInt32 keepAddBufferAfter)
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{
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UInt32 windowReservSize = (sizeHistory + keepAddBufferBefore +
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matchMaxLen + keepAddBufferAfter) / 2 + 256;
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// try
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{
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return _matchFinder.Create(sizeHistory, keepAddBufferBefore,
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matchMaxLen, keepAddBufferAfter, windowReservSize);
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}
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/*
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catch(...)
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{
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return E_OUTOFMEMORY;
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}
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*/
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}
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STDMETHODIMP_(UInt32) CMatchFinderBinTree::GetLongestMatch(UInt32 *distances)
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{ return _matchFinder.GetLongestMatch(distances); }
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STDMETHODIMP_(void) CMatchFinderBinTree::DummyLongestMatch()
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{ _matchFinder.DummyLongestMatch(); }
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STDMETHODIMP_(const Byte *) CMatchFinderBinTree::GetPointerToCurrentPos()
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{
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return _matchFinder.GetPointerToCurrentPos();
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}
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// IMatchFinderSetCallback
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STDMETHODIMP CMatchFinderBinTree::SetCallback(IMatchFinderCallback *callback)
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{
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_matchFinder.SetCallback(callback);
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return S_OK;
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}
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}
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