internal static ExtendedType?GetInnerListType(
ExtendedType type,
TypeCache cache)
{
if (IsDictionary(type.Type))
{
IExtendedType key = type.TypeArguments[0];
IExtendedType value = type.TypeArguments[1];
Type itemType = typeof(KeyValuePair <,>).MakeGenericType(key.Type, value.Type);
return(cache.GetOrCreateType(itemType, () =>
{
return new ExtendedType(
itemType,
ExtendedTypeKind.Runtime,
new[] { (ExtendedType)key, (ExtendedType)value },
isNullable: false);
}));
}
if (IsSupportedCollectionInterface(type.Type))
{
return(type.TypeArguments[0]);
}
if (type.IsInterface && type.Definition == typeof(IEnumerable <>))
{
return(type.TypeArguments[0]);
}
foreach (Type interfaceType in type.Type.GetInterfaces())
{
if (IsSupportedCollectionInterface(interfaceType))
{
Type elementType = interfaceType.GetGenericArguments()[0];
if (type.TypeArguments.Count == 1 &&
type.TypeArguments[0].Type == elementType)
{
return(type.TypeArguments[0]);
}
return(SystemType.FromType(elementType, cache));
}
}
return(null);
}
private static ExtendedType FromTypeInternal(Type type, TypeCache cache) =>
Helper.IsSchemaType(type)
? SchemaType.FromType(type, cache)
: SystemType.FromType(type, cache);