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/* This file is part of SevenZipSharp.
SevenZipSharp is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
SevenZipSharp is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with SevenZipSharp. If not, see <http://www.gnu.org/licenses/>.
*/
using System.IO;
namespace SevenZip.Sdk.Buffer
{
internal class OutBuffer
{
private readonly byte[] m_Buffer;
private readonly uint m_BufferSize;
private uint m_Pos;
private ulong m_ProcessedSize;
private Stream m_Stream;
/// <summary>
/// Initializes a new instance of the OutBuffer class
/// </summary>
/// <param name="bufferSize"></param>
public OutBuffer(uint bufferSize)
{
m_Buffer = new byte[bufferSize];
m_BufferSize = bufferSize;
}
public void SetStream(Stream stream)
{
m_Stream = stream;
}
public void FlushStream()
{
m_Stream.Flush();
}
public void CloseStream()
{
m_Stream.Close();
}
public void ReleaseStream()
{
m_Stream = null;
}
public void Init()
{
m_ProcessedSize = 0;
m_Pos = 0;
}
public void WriteByte(byte b)
{
m_Buffer[m_Pos++] = b;
if (m_Pos >= m_BufferSize)
FlushData();
}
public void FlushData()
{
if (m_Pos == 0)
return;
m_Stream.Write(m_Buffer, 0, (int) m_Pos);
m_Pos = 0;
}
public ulong GetProcessedSize()
{
return m_ProcessedSize + m_Pos;
}
}
}
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