private static bool ParseISO8601(ref DateTimeRawInfo raw, ref __DTString str, DateTimeStyles styles, ref DateTimeResult result)
{
if (raw.year >= 0 && raw.GetNumber(0) >= 0)
{
raw.GetNumber(1);
}
str.Index--;
int second = 0;
double num = 0.0;
str.SkipWhiteSpaces();
int hour;
if (!DateTimeParse.ParseDigits(ref str, 2, out hour))
{
result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
return false;
}
str.SkipWhiteSpaces();
if (!str.Match(':'))
{
result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
return false;
}
str.SkipWhiteSpaces();
int minute;
if (!DateTimeParse.ParseDigits(ref str, 2, out minute))
{
result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
return false;
}
str.SkipWhiteSpaces();
if (str.Match(':'))
{
str.SkipWhiteSpaces();
if (!DateTimeParse.ParseDigits(ref str, 2, out second))
{
result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
return false;
}
if (str.Match('.'))
{
if (!DateTimeParse.ParseFraction(ref str, out num))
{
result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
return false;
}
str.Index--;
}
str.SkipWhiteSpaces();
}
if (str.GetNext())
{
char @char = str.GetChar();
if (@char == '+' || @char == '-')
{
result.flags |= ParseFlags.TimeZoneUsed;
if (!DateTimeParse.ParseTimeZone(ref str, ref result.timeZoneOffset))
{
result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
return false;
}
}
else
{
if (@char == 'Z' || @char == 'z')
{
result.flags |= ParseFlags.TimeZoneUsed;
result.timeZoneOffset = TimeSpan.Zero;
result.flags |= ParseFlags.TimeZoneUtc;
}
else
{
str.Index--;
}
}
str.SkipWhiteSpaces();
if (str.Match('#'))
{
if (!DateTimeParse.VerifyValidPunctuation(ref str))
{
result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
return false;
}
str.SkipWhiteSpaces();
}
if (str.Match('\0') && !DateTimeParse.VerifyValidPunctuation(ref str))
{
result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
return false;
}
if (str.GetNext())
{
result.SetFailure(ParseFailureKind.Format, "Format_BadDateTime", null);
return false;
}
}
Calendar defaultInstance = GregorianCalendar.GetDefaultInstance();
DateTime parsedDate;
if (!defaultInstance.TryToDateTime(raw.year, raw.GetNumber(0), raw.GetNumber(1), hour, minute, second, 0, result.era, out parsedDate))
{
result.SetFailure(ParseFailureKind.FormatBadDateTimeCalendar, "Format_BadDateTimeCalendar", null);
return false;
}
parsedDate = parsedDate.AddTicks((long)Math.Round(num * 10000000.0));
result.parsedDate = parsedDate;
return DateTimeParse.DetermineTimeZoneAdjustments(ref result, styles, false);
}