public static IEnumerable <System.Attribute> ConvertAvailability(CustomAttributeData attribute)
{
string message = null;
if (attribute.NamedArguments.Any(x => x.MemberName == "Message"))
{
message = (string)attribute.NamedArguments.First(x => x.MemberName == "Message").TypedValue.Value;
}
foreach (var arg in attribute.NamedArguments)
{
switch (arg.MemberName)
{
case "Introduced": {
ParsedAvailabilityInfo availInfo = DetermineOldAvailabilityVersion(arg);
yield return(AttributeFactory.CreateNewIntroducedAttribute(availInfo.Platform, availInfo.Major, availInfo.Minor, message: message));
continue;
}
case "Deprecated": {
ParsedAvailabilityInfo availInfo = DetermineOldAvailabilityVersion(arg);
yield return(AttributeFactory.CreateDeprecatedAttribute(availInfo.Platform, availInfo.Major, availInfo.Minor, message: message));
continue;
}
case "Obsoleted": {
ParsedAvailabilityInfo availInfo = DetermineOldAvailabilityVersion(arg);
yield return(AttributeFactory.CreateObsoletedAttribute(availInfo.Platform, availInfo.Major, availInfo.Minor, message: message));
continue;
}
case "Unavailable": {
ParsedAvailabilityInfo availInfo = DetermineOldAvailabilityVersion(arg);
yield return(AttributeFactory.CreateUnavailableAttribute(availInfo.Platform, message: message));
continue;
}
case "Message":
continue;
default:
throw new NotImplementedException($"ConvertAvailability found unknown named argument {arg.MemberName}");
}
}
}