public void TestBitArray()
{
BitArray bits = new BitArray(64);
bits[0] = true;
bits[21] = true;
byte[] bytes = new byte[8];
bits.CopyTo(bytes, 0);
//ulong dataValue = BitConverter.ToUInt64(bytes, 0) << 0;
ulong dataValue = 1 << 20;
Console.WriteLine($"{dataValue:x2}");
Console.WriteLine($"{Convert.ToString((long) dataValue, 2)}");
var stream = new MemoryStream();
VarInt.WriteUInt64(stream, dataValue);
byte[] array = stream.ToArray();
Console.WriteLine($"{Package.HexDump(array)}");
//var result = VarInt.ReadUInt64(new MemoryStream(array));
var result = VarInt.ReadUInt64(new MemoryStream(new byte[] { 0x80, 0x80, 0x80, 0x11 }));
Console.WriteLine($"{Convert.ToString((long) result, 2)}");
//Assert.AreEqual(dataValue, result);
Console.WriteLine($"{dataValue:x2}");
//81808080808080808001 .
}
public void Add(ReadOnlySpan <byte> key, ReadOnlySpan <byte> data)
{
if (key == ReadOnlySpan <byte> .Empty || key == null || key.Length == 0)
{
throw new ArgumentException("Empty key");
}
//if (key == ReadOnlySpan<byte>.Empty || key == null || key.Length == 0) return;
int sharedLen = 0;
if (_restartCounter < 16)
{
sharedLen = CountSharedBytes(_lastKey, key);
}
else
{
_restarts.Add((uint)_stream.Position);
_restartCounter = 0;
}
// An entry for a particular key/value pair has the form:
// shared_bytes: varint32
VarInt.WriteUInt64(_stream, (ulong)sharedLen);
// unshared_bytes: varint32
VarInt.WriteUInt64(_stream, (ulong)(key.Length - sharedLen));
// value_length: varint32
VarInt.WriteUInt64(_stream, (ulong)data.Length);
// key_delta: char[unshared_bytes]
_stream.Write(key.Slice(sharedLen));
// data: char[unshared_bytes]
_stream.Write(data);
_lastKey = key.ToArray();
_restartCounter++;
}
public void WriteUnsignedVarLong(long value)
{
// Need to fix this to ulong later
VarInt.WriteUInt64(_buffer, (ulong)value);
}