private static bool TryParseExactMultipleNumberSpan(string input, string[] formats, IFormatProvider formatProvider, NumberSpanStyles styles, ref NumberSpanResult result)
{
if (input == null)
{
result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, "input");
return false;
}
if (formats == null)
{
result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, "formats");
return false;
}
if (input.Length == 0)
{
result.SetFailure(ParseFailureKind.Format, "Format_BadNumberSpan");
return false;
}
if (formats.Length == 0)
{
result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
return false;
}
for (int i = 0; i < formats.Length; i++)
{
if (formats[i] == null || formats[i].Length == 0)
{
result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
return false;
}
NumberSpanResult result2 = new NumberSpanResult();
result2.Init(NumberSpanThrowStyle.None);
if (TryParseExactNumberSpan(input, formats[i], formatProvider, styles, ref result2))
{
result._parsedNumberSpan = result2._parsedNumberSpan;
return true;
}
}
result.SetFailure(ParseFailureKind.Format, "Format_BadNumberSpan");
return false;
}
internal static bool TryParseExactMultiple(string input, string[] formats, IFormatProvider formatProvider, NumberSpanStyles styles, out NumberSpan result)
{
NumberSpanResult result2 = new NumberSpanResult();
result2.Init(NumberSpanThrowStyle.None);
if (TryParseExactMultipleNumberSpan(input, formats, formatProvider, styles, ref result2))
{
result = result2._parsedNumberSpan;
return true;
}
result = new NumberSpan();
return false;
}
internal static void ValidateStyles(NumberSpanStyles style, string parameterName)
{
if (style != NumberSpanStyles.None && style != NumberSpanStyles.AssumeNegative)
throw new ArgumentException("Argument_InvalidNumberSpanStyles", parameterName);
}
internal static NumberSpan ParseExactMultiple(string input, string[] formats, IFormatProvider formatProvider, NumberSpanStyles styles)
{
NumberSpanResult result = new NumberSpanResult();
result.Init(NumberSpanThrowStyle.All);
if (!TryParseExactMultipleNumberSpan(input, formats, formatProvider, styles, ref result))
throw result.GetNumberSpanParseException();
return result._parsedNumberSpan;
}
private static bool TryParseExactNumberSpan(string input, string format, IFormatProvider formatProvider, NumberSpanStyles styles, ref NumberSpanResult result)
{
if (input == null)
{
result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, "input");
return false;
}
if (format == null)
{
result.SetFailure(ParseFailureKind.ArgumentNull, "ArgumentNull_String", null, "format");
return false;
}
if (format.Length == 0)
{
result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
return false;
}
//if (format.Length != 1)
// return TryParseByFormat(input, format, styles, ref result);
NumberSpanStandardStyles none = NumberSpanStandardStyles.None;
if (format[0] == 'c' || format[0] == 't' || format[0] == 'T')
return TryParseNumberSpanConstant(input, ref result);
if (format[0] == 'g')
none = NumberSpanStandardStyles.Localized;
else if (format[0] == 'G')
none = NumberSpanStandardStyles.RequireFull | NumberSpanStandardStyles.Localized;
else
{
result.SetFailure(ParseFailureKind.Format, "Format_BadFormatSpecifier");
return false;
}
return TryParseNumberSpan(input, none, formatProvider, ref result);
}
