private static bool ProcessTerminalState(ref NumberSpanRawInfo raw, NumberSpanStandardStyles style, ref NumberSpanResult result)
{
if (raw._lastSeenTTT == TTT.Num)
{
var tok = new NumberSpanToken
{
_ttt = TTT.Sep,
_sep = string.Empty
};
if (!raw.ProcessToken(ref tok, ref result))
{
result.SetFailure(ParseFailureKind.Format, "Format_BadNumberSpan");
return false;
}
}
switch (raw._numCount)
{
case 1: return ProcessTerminal_C(ref raw, style, ref result);
case 2: return ProcessTerminal_CT(ref raw, style, ref result);
case 3: return ProcessTerminal_FULL(ref raw, style, ref result);
}
result.SetFailure(ParseFailureKind.Format, "Format_BadNumberSpan");
return false;
}
private static bool TryParseNumberSpan(string input, NumberSpanStandardStyles style, IFormatProvider formatProvider, ref NumberSpanResult result)
{
if (input == null)
{
result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, "input");
return false;
}
input = input.Trim();
if (input == string.Empty)
{
result.SetFailure(ParseFailureKind.Format, "Format_BadNumberSpan");
return false;
}
var tokenizer = new NumberSpanTokenizer();
tokenizer.Init(input);
var raw = new NumberSpanRawInfo();
raw.Init(); //DateTimeFormatInfo.GetInstance(formatProvider));
for (var token = tokenizer.GetNextToken(); token._ttt != TTT.End; token = tokenizer.GetNextToken())
if (!raw.ProcessToken(ref token, ref result))
{
result.SetFailure(ParseFailureKind.Format, "Format_BadNumberSpan");
return false;
}
if (!tokenizer.EOL)
{
result.SetFailure(ParseFailureKind.Format, "Format_BadNumberSpan");
return false;
}
if (!ProcessTerminalState(ref raw, style, ref result))
{
result.SetFailure(ParseFailureKind.Format, "Format_BadNumberSpan");
return false;
}
return true;
}