private TimeSpan ReadValueAsTimeSpan(ContactValueSeparators? expectedSeparators)
{
this.reader.AssertValidState(ContentLineNodeType.Parameter | ContentLineNodeType.Property);
string s = this.ReadValueAsString(expectedSeparators).Trim();
this.CheckType(ContactValueType.UtcOffset);
return ContactCommon.ParseUtcOffset(s, this.reader.ComplianceTracker);
}
private static DateTime InternalParseDateTime(string s, int length, string format, int formatLength, ComplianceTracker tracker)
{
string text = string.Empty;
string text2 = string.Empty;
if (length > formatLength)
{
if (s[formatLength] == ',')
{
int num = formatLength + 1;
while (num < length && char.IsDigit(s[num]))
{
num++;
}
if (num == formatLength + 1)
{
tracker.SetComplianceStatus(ComplianceStatus.InvalidValueFormat, CalendarStrings.InvalidDateFormat);
return(ContactCommon.MinDateTime);
}
text2 = s.Substring(formatLength + 1, num - (formatLength + 1));
if (num < length)
{
text = s.Substring(num);
}
}
else
{
text = s.Substring(formatLength);
}
s = s.Substring(0, formatLength);
}
DateTime dateTime;
if (!DateTime.TryParseExact(s, format, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal, out dateTime))
{
tracker.SetComplianceStatus(ComplianceStatus.InvalidValueFormat, CalendarStrings.InvalidDateFormat);
return(ContactCommon.MinDateTime);
}
if (!string.IsNullOrEmpty(text2))
{
if (text2.Length > 3)
{
text2 = text2.Substring(0, 3);
}
int num2 = 0;
if (!int.TryParse(text2, out num2))
{
tracker.SetComplianceStatus(ComplianceStatus.InvalidValueFormat, CalendarStrings.InvalidDateFormat);
return(ContactCommon.MinDateTime);
}
for (int i = text2.Length; i < 3; i++)
{
num2 *= 10;
}
dateTime += new TimeSpan(0, 0, 0, 0, num2);
}
if (!string.IsNullOrEmpty(text) && text != "Z")
{
dateTime += ContactCommon.ParseUtcOffset(text, tracker);
}
return(dateTime);
}
