private ScanState ScanNextPrivate()
{
reader.StartNewAtom();
if (!reader.ReadNext(out char c))
{
return(ScanState.Error);
}
switch (c)
{
case '"':
case '\'':
return(ScanDelimitedString(c));
case '.':
if (reader.CheckNext(char.IsDigit))
{
reader.UndoRead();
return(ScanDecimal());
}
return(ScanState.Error);
case '-':
reader.UndoRead();
return(ScanDecimal());
case ',':
currentToken = JsonToken.Comma;
return(ScanState.HasValue);
case ':':
currentToken = JsonToken.Colon;
return(ScanState.HasValue);
case '{':
currentToken = JsonToken.BeginObject;
return(ScanState.HasValue);
case '}':
currentToken = JsonToken.EndObject;
return(ScanState.HasValue);
case '[':
currentToken = JsonToken.BeginArray;
return(ScanState.HasValue);
case ']':
currentToken = JsonToken.EndArray;
return(ScanState.HasValue);
default:
if (char.IsWhiteSpace(c))
{
reader.AdvanceWhile(char.IsWhiteSpace, condition: true);
return(ScanNextPrivate());
}
if (char.IsDigit(c))
{
if (c == '0' && reader.ReadNextIfEquals('x', 'X'))
{
return(ScanHexNumber());
}
reader.UndoRead();
return(ScanDecimal());
}
return(ScanUnquotedString());
}
}