1 // OutBuffer.cs

     2 

     3 namespace 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 }