public int?ReadStartArray()
{
CborInitialByte header = PeekInitialByte(expectedType: CborMajorType.Array);
if (header.AdditionalInfo == CborAdditionalInfo.IndefiniteLength)
{
if (_isConformanceLevelCheckEnabled && CborConformanceLevelHelpers.RequiresDefiniteLengthItems(ConformanceLevel))
{
throw new FormatException("Indefinite-length items are not supported under the current conformance level.");
}
AdvanceBuffer(1);
PushDataItem(CborMajorType.Array, null);
return(null);
}
else
{
ulong arrayLength = ReadUnsignedInteger(_buffer.Span, header, out int additionalBytes);
if (arrayLength > (ulong)_buffer.Length)
{
throw new FormatException("Insufficient buffer size for declared definite length in CBOR data item.");
}
AdvanceBuffer(1 + additionalBytes);
PushDataItem(CborMajorType.Array, (int)arrayLength);
return((int)arrayLength);
}
}
public int?ReadStartArray()
{
CborInitialByte header = PeekInitialByte(expectedType: CborMajorType.Array);
if (header.AdditionalInfo == CborAdditionalInfo.IndefiniteLength)
{
if (_isConformanceLevelCheckEnabled && CborConformanceLevelHelpers.RequiresDefiniteLengthItems(ConformanceLevel))
{
throw new FormatException(SR.Format(SR.Cbor_ConformanceLevel_IndefiniteLengthItemsNotSupported, ConformanceLevel));
}
AdvanceBuffer(1);
PushDataItem(CborMajorType.Array, null);
return(null);
}
else
{
ReadOnlySpan <byte> buffer = GetRemainingBytes();
int arrayLength = DecodeDefiniteLength(header, buffer, out int bytesRead);
AdvanceBuffer(bytesRead);
PushDataItem(CborMajorType.Array, arrayLength);
return(arrayLength);
}
}