public void Read(BionReader reader)
{
_index.Clear();
reader.Read(BionToken.StartArray);
// Read the Container Index
long lastEndPosition = 0;
while (reader.Read())
{
if (reader.TokenType != BionToken.Integer)
{
break;
}
long endPosition = lastEndPosition + reader.CurrentInteger();
reader.Read(BionToken.Integer);
long byteLength = reader.CurrentInteger();
_index.Add(new ContainerEntry(endPosition - byteLength, endPosition, _index.Count));
lastEndPosition = endPosition;
}
// Reconstruct the hierarchy
for (int i = _index.Count - 2; i >= 0; --i)
{
ContainerEntry current = _index[i];
// Find the parent - the first container which starts before this one
int parentIndex = i + 1;
while (parentIndex != -1)
{
if (_index[parentIndex].StartByteOffset < current.StartByteOffset)
{
current.ParentIndex = parentIndex;
_index[i] = current;
break;
}
parentIndex = _index[parentIndex].ParentIndex;
}
}
// Size exact
_index.Capacity = _index.Count;
}
public BionSyntaxException(BionReader reader, string expected)
: this($"@{reader.BytesRead:n0}, expected {expected} but found {reader.TokenType}.")
{
}
