/// <summary>
/// Read Bytes Routine
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="pos">The position.</param>
/// <param name="len">The length.</param>
/// <param name="endOfFile">if set to <c>true</c> [end of file].</param>
/// <returns></returns>
protected override int ReadBytes(byte[] buffer, int pos, int len, out bool endOfFile)
{
len = len > _readRemain ? (int)_readRemain : len;
_readRemain -= (uint)len;
endOfFile = _readRemain == 0;
_readFile.Read(buffer, pos, len);
_readCrc32 = CRC32.Checksum(_readCrc32, buffer, pos, len);
return(len);
}
////////////////////////////////////////////////////////////////////
// Write Bytes Routine
////////////////////////////////////////////////////////////////////
public override void WriteBytes
(
Byte[] Buffer,
Int32 Pos,
Int32 Len
)
{
WriteCRC32 = CRC32.Checksum(WriteCRC32, Buffer, Pos, Len);
WriteFile.Write(Buffer, Pos, Len);
return;
}
////////////////////////////////////////////////////////////////////
// Read Bytes Routine
////////////////////////////////////////////////////////////////////
public override Int32 ReadBytes
(
Byte[] Buffer,
Int32 Pos,
Int32 Len,
out Boolean EndOfFile
)
{
Len = Len > ReadRemain ? (Int32)ReadRemain : Len;
ReadRemain -= (UInt32)Len;
EndOfFile = ReadRemain == 0;
ReadFile.Read(Buffer, Pos, Len);
ReadCRC32 = CRC32.Checksum(ReadCRC32, Buffer, Pos, Len);
return(Len);
}
/// <summary>
/// Write Bytes Routine
/// </summary>
/// <param name="buffer">The buffer.</param>
/// <param name="pos">The position.</param>
/// <param name="len">The length.</param>
protected override void WriteBytes(Byte[] buffer, int pos, int len)
{
_writeCrc32 = CRC32.Checksum(_writeCrc32, buffer, pos, len);
_writeFile.Write(buffer, pos, len);
}