public PackType PeekNextType()
{
var markerByte = _in.PeekByte();
var markerHighNibble = (byte)(markerByte & 0xF0);
switch (markerHighNibble)
{
case TINY_STRING:
return(PackType.String);
case TINY_LIST:
return(PackType.List);
case TINY_MAP:
return(PackType.Map);
case TINY_STRUCT:
return(PackType.Struct);
}
if ((sbyte)markerByte >= MINUS_2_TO_THE_4)
{
return(PackType.Integer);
}
switch (markerByte)
{
case NULL:
return(PackType.Null);
case TRUE:
case FALSE:
return(PackType.Boolean);
case FLOAT_64:
return(PackType.Float);
case BYTES_8:
case BYTES_16:
case BYTES_32:
return(PackType.Bytes);
case STRING_8:
case STRING_16:
case STRING_32:
return(PackType.String);
case LIST_8:
case LIST_16:
case LIST_32:
return(PackType.List);
case MAP_8:
case MAP_16:
case MAP_32:
return(PackType.Map);
case STRUCT_8:
case STRUCT_16:
return(PackType.Struct);
case INT_8:
case INT_16:
case INT_32:
case INT_64:
return(PackType.Integer);
default:
throw new ArgumentOutOfRangeException(nameof(markerByte), markerByte,
$"Unknown type 0x{markerByte.ToString("X2")}");
}
}