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);
            }
Exemple #2
0
 private static ExtendedType FromTypeInternal(Type type, TypeCache cache) =>
 Helper.IsSchemaType(type)
         ? SchemaType.FromType(type, cache)
         : SystemType.FromType(type, cache);