public unsafe AutomataNode SearchNext(ref byte *p, ref int rest)
{
var key = AutomataKeyGen.GetKey(ref p, ref rest);
if (count < 4)
{
// linear search
for (int i = 0; i < count; i++)
{
if (nextKeys[i] == key)
{
return(nexts[i]);
}
}
}
else
{
// binary search
var index = BinarySearch(nextKeys, 0, count, key);
if (index >= 0)
{
return(nexts[index]);
}
}
return(null);
}
public unsafe void Add(byte[] bytes, int value)
{
fixed(byte *buffer = &bytes[0])
{
var node = _root;
var p = buffer;
var rest = bytes.Length;
while (rest != 0)
{
var key = AutomataKeyGen.GetKey(ref p, ref rest);
node = rest == 0
? node.Add(key, value, Encoding.UTF8.GetString(bytes))
: node.Add(key);
}
}
}