public byte[] GetLeafValue(BTreeLeaf leaf, Key key)
{
var reader = new LeafReader(this, leaf);
var unpacked = DataConverter.Unpack("^i", reader.Read(4), 0);
var numKeys = (int)unpacked[0];
int discarded;
for (int i = 0; i < numKeys; i++)
{
byte[] curKey = reader.Read(KeySize);
int length = (int)VLQ.ReadVLQ(reader, out discarded);
byte[] value = reader.Read(length);
if (curKey.SequenceEqual(key.TheKey))
{
return(value);
}
}
return(null);
}
public static ulong ReadVLQ(LeafReader leafReader, out int length)
{
ulong value = 0L;
length = 0;
while (true)
{
byte tmp = leafReader.Read(1)[0];
value = (value << 7) | (ulong)(tmp & 0x7f);
length++;
if ((tmp & 0x80) == 0)
{
break;
}
}
return(value);
}