1// OutBuffer.cs
2
3namespace SevenZip.Buffer
4{
5	public class OutBuffer
6	{
7		byte[] m_Buffer;
8		uint m_Pos;
9		uint m_BufferSize;
10		System.IO.Stream m_Stream;
11		ulong m_ProcessedSize;
12
13		public OutBuffer(uint bufferSize)
14		{
15			m_Buffer = new byte[bufferSize];
16			m_BufferSize = bufferSize;
17		}
18
19		public void SetStream(System.IO.Stream stream) { m_Stream = stream; }
20		public void FlushStream() { m_Stream.Flush(); }
21		public void CloseStream() { m_Stream.Close(); }
22		public void ReleaseStream() { m_Stream = null; }
23
24		public void Init()
25		{
26			m_ProcessedSize = 0;
27			m_Pos = 0;
28		}
29
30		public void WriteByte(byte b)
31		{
32			m_Buffer[m_Pos++] = b;
33			if (m_Pos >= m_BufferSize)
34				FlushData();
35		}
36
37		public void FlushData()
38		{
39			if (m_Pos == 0)
40				return;
41			m_Stream.Write(m_Buffer, 0, (int)m_Pos);
42			m_Pos = 0;
43		}
44
45		public ulong GetProcessedSize() { return m_ProcessedSize + m_Pos; }
46	}
47}
48