unsafe int GetViewIndex(int node, int inputTokenStart, int binaryTokenStart)
{
if (node == -1)
{
return(-1);
}
var data = m_BinaryStream.GetUnsafeData();
if (node >= inputTokenStart)
{
// This is a newly written token.
// Since we know tokens are written in order; we can simply compute the offset.
var offset = m_Parser.TokenNextIndex - node;
return(data->TokenNextIndex - offset);
}
// This is a previously written token.
// Since we know we can never discard an incomplete token.
// We must walk up the tree the same number of times for both streams to find the correct token.
var binaryIndex = binaryTokenStart;
var binaryTokens = m_BinaryStream.GetUnsafeData()->Tokens;
while (inputTokenStart != node)
{
inputTokenStart = m_Tokenizer.Tokens[inputTokenStart].Parent;
binaryIndex = binaryTokens[binaryIndex].Parent;
}
return(binaryIndex);
}
internal unsafe SerializedValueView GetView(int index)
{
var data = m_Stream.GetUnsafeData();
if ((uint)index >= (uint)data->TokenNextIndex)
{
throw new IndexOutOfRangeException();
}
var token = data->Tokens[index];
var handle = data->Handles[token.HandleIndex];
return(new SerializedValueView(m_Stream, new Handle {
Index = token.HandleIndex, Version = handle.DataVersion
}));
}