internal DateTimeOffset DateFromString(string dateTimeString, XmlReader reader)
{
try
{
DateTimeOffset dateTimeOffset = default(DateTimeOffset);
var elementQualifiedName = new XmlQualifiedName(reader.LocalName, reader.NamespaceURI);
var xmlDateTimeData = new XmlDateTimeData(dateTimeString, elementQualifiedName);
object[] args = new object[] { xmlDateTimeData, dateTimeOffset };
foreach (Delegate dateTimeParser in DateTimeParser.GetInvocationList())
{
if ((bool)dateTimeParser.Method.Invoke(dateTimeParser.Target, args))
{
dateTimeOffset = (DateTimeOffset)args[args.Length - 1];
return(dateTimeOffset);
}
}
}
catch (Exception e)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(FeedUtils.AddLineInfo(reader, SR.ErrorParsingDateTime), e));
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(FeedUtils.AddLineInfo(reader, SR.ErrorParsingDateTime)));
}
public static bool DefaultRss20DateTimeParser(XmlDateTimeData XmlDateTimeData, out DateTimeOffset dateTimeOffset)
{
string dateTimeString = XmlDateTimeData.DateTimeString;
// First check if DateTimeOffset default parsing can parse the date
if (DateTimeOffset.TryParse(dateTimeString, out dateTimeOffset))
{
return(true);
}
// RSS specifies RFC822
if (Rfc822DateTimeParser(dateTimeString, out dateTimeOffset))
{
return(true);
}
// Event though RCS3339 is for Atom, someone might be using this for RSS
if (Rfc3339DateTimeParser(dateTimeString, out dateTimeOffset))
{
return(true);
}
return(false);
}
public static bool DefaultAtom10DateTimeParser(XmlDateTimeData XmlDateTimeData, out DateTimeOffset dateTimeOffset)
{
return(Rfc3339DateTimeParser(XmlDateTimeData.DateTimeString, out dateTimeOffset));
}
private bool NotImplementedDateTimeParser(XmlDateTimeData XmlDateTimeData, out DateTimeOffset dateTimeOffset)
{
dateTimeOffset = default;
return(false);
}