protected void UpdateOriginalGenericArguments(ref int nullableFlagsIndex)
{
if (_originalGenericArguments == null)
{
lock (this)
{
if (_originalGenericArguments == null)
{
var arguments = new List <CachedType>();
#if NET40
foreach (var type in OriginalType.GetGenericArguments())
#else
foreach (var type in OriginalType.GenericTypeArguments)
#endif
{
arguments.Add(GetCachedType(type, ref nullableFlagsIndex));
}
if (arguments.Count == 0)
{
var elementType = OriginalType.GetElementType();
if (elementType != null)
{
_elementType = GetCachedType(elementType, ref nullableFlagsIndex);
}
}
_originalGenericArguments = arguments.ToArray();
_isNullableType = OriginalType.Name == "Nullable`1";
_genericArguments = _isNullableType ? arguments[0]._originalGenericArguments : _originalGenericArguments;
_type = _isNullableType ? ((IEnumerable)_originalGenericArguments).Cast <CachedType>().First().OriginalType : OriginalType;
}
}
}
}
private void DeterminePropertyInfo()
{
// for example for string PropertyType.GetInterface("IEnumerable`1")
// is not null, so we must check if type has sub type
IsCollection =
OriginalType.GetInterface("IEnumerable`1") != null &&
OriginalType.GetGenericArguments().Any();
if (IsCollection)
{
var subType = OriginalType.GetGenericArguments().Single();
OriginalType = subType;
}
IsSystemType = OriginalType.Namespace.StartsWith("System");
}