public async ValueTask <bool> MoveNextAsync()
{
var result = false;
var ptdList = new List <PTurnData>();
result = await ChunksEnumerator.MoveNextAsync();
while (result && ptdList.Count < ChunkSize)
{
var c = ChunksEnumerator.Current;
var cStr = TheLastLine + Encoding.UTF8.GetString(c);
NewLine = GetEmbeddedNewLineChars(cStr) ?? throw new InvalidOperationException("Invalid format");
var lines = cStr.Split(NewLine);
if (CurrentArr == null && (lines.Length == 0 || !ValidateHeader(lines[0])))
{
throw new InvalidOperationException("Invalid format");
}
if (lines.Length == 1)
{
result = false; break;
}
for (int i = 0; i < lines.Length - 1; i++)
{
if (CurrentArr == null && i == 0)
{
continue;
}
ptdList.Add(GetPTurnData(lines[i]));
}
result = await ChunksEnumerator.MoveNextAsync();
if (result)
{
TheLastLine = lines[^ 1];
