void InitBlock()
{
char magic0 = bsGetUByte();
char magic1 = bsGetUByte();
char magic2 = bsGetUByte();
char magic3 = bsGetUByte();
char magic4 = bsGetUByte();
char magic5 = bsGetUByte();
if (magic0 == 0x17 && magic1 == 0x72 && magic2 == 0x45 &&
magic3 == 0x38 && magic4 == 0x50 && magic5 == 0x90)
{
complete(); // end of file
}
else if (magic0 != 0x31 ||
magic1 != 0x41 ||
magic2 != 0x59 ||
magic3 != 0x26 ||
magic4 != 0x53 ||
magic5 != 0x59)
{
this.currentState = CState.EOF;
var msg = String.Format("bad block header at offset 0x{0:X}",
this.input.Position);
throw new IOException(msg);
}
else
{
this.storedBlockCRC = bsGetInt();
// Console.WriteLine(" stored block CRC : {0:X8}", this.storedBlockCRC);
this.blockRandomised = (GetBits(1) == 1);
// Lazily allocate data
if (this.data == null)
{
this.data = new DecompressionState(this.blockSize100k);
}
// currBlockNo++;
getAndMoveToFrontDecode();
this.crc.Reset();
this.currentState = CState.START_BLOCK;
}
}
/// <summary>
/// Close the stream.
/// </summary>
public override void Close()
{
Stream inShadow = this.input;
if (inShadow != null)
{
try
{
if (!this._leaveOpen)
{
inShadow.Close();
}
}
finally
{
this.data = null;
this.input = null;
}
}
}