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84 lines
1.4 KiB
C++
Executable File
84 lines
1.4 KiB
C++
Executable File
// LZOutWindow.cpp
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#include "StdAfx.h"
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#include "LZOutWindow.h"
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void CLZOutWindow::Create(UINT32 windowSize)
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{
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_pos = 0;
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_streamPos = 0;
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UINT32 newBlockSize = windowSize;
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const UINT32 kMinBlockSize = 1;
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if (newBlockSize < kMinBlockSize)
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newBlockSize = kMinBlockSize;
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if (_buffer != 0 && _windowSize == newBlockSize)
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return;
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delete []_buffer;
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_buffer = 0;
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_windowSize = newBlockSize;
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_buffer = new BYTE[_windowSize];
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}
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CLZOutWindow::~CLZOutWindow()
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{
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// ReleaseStream();
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delete []_buffer;
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}
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/*
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void CLZOutWindow::SetWindowSize(UINT32 windowSize)
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{
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_windowSize = windowSize;
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}
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*/
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void CLZOutWindow::Init(ISequentialOutStream *stream, bool solid)
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{
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// ReleaseStream();
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_stream = stream;
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// _stream->AddRef();
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if(!solid)
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{
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_streamPos = 0;
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_pos = 0;
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}
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}
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/*
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void CLZOutWindow::ReleaseStream()
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{
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if(_stream != 0)
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{
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// Flush(); // Test it
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_stream->Release();
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_stream = 0;
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}
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}
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*/
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void CLZOutWindow::FlushWithCheck()
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{
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HRESULT result = Flush();
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if (result != S_OK)
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throw CLZOutWindowException(result);
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}
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HRESULT CLZOutWindow::Flush()
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{
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UINT32 size = _pos - _streamPos;
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if(size == 0)
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return S_OK;
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UINT32 processedSize;
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HRESULT result = _stream->Write(_buffer + _streamPos, size, &processedSize);
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if (result != S_OK)
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return result;
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if (size != processedSize)
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return E_FAIL;
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if (_pos >= _windowSize)
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_pos = 0;
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_streamPos = _pos;
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return S_OK;
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}
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