release/src-rt-6.x/linux/linux-2.6/scripts/squashfs/lzma/CS/7zip/Common/OutBuffer.cs

   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 }