/// <summary>
/// Read in a sequence of characters that are all valid in JSON numbers. Does
/// not do a complete regex check to validate that this is actually a number.
/// </summary>
private async ValueTask <string> ReadJsonNumericCharsAsync(CancellationToken cancellationToken)
{
var strbld = new StringBuilder();
while (true)
{
//TODO: workaround for primitive types with TJsonProtocol, think - how to rewrite into more easy form without exceptions
try
{
var ch = await Reader.PeekAsync(cancellationToken);
if (!TJSONProtocolHelper.IsJsonNumeric(ch))
{
break;
}
var c = (char)await Reader.ReadAsync(cancellationToken);
strbld.Append(c);
}
catch (TTransportException)
{
break;
}
}
return(strbld.ToString());
}
public void IsJsonNumeric_Test()
{
// input/output
var correctJsonNumeric = "+-.0123456789Ee";
var incorrectJsonNumeric = "AaBcDd/*\\";
var sets = correctJsonNumeric.Select(ch => new Tuple <byte, bool>((byte)ch, true)).ToList();
sets.AddRange(incorrectJsonNumeric.Select(ch => new Tuple <byte, bool>((byte)ch, false)));
foreach (var t in sets)
{
Assert.IsTrue(TJSONProtocolHelper.IsJsonNumeric(t.Item1) == t.Item2, $"Wrong mapping of Char {t.Item1} to bool: {t.Item2}");
}
}
