void List<T>::splice(ContextType ctx, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count_at_least(argc, 1);
auto list = get_internal<T, ListClass<T>>(this_object);
size_t size = list->size();
long index = std::min<long>(Value::to_number(ctx, arguments[0]), size);
if (index < 0) {
index = std::max<long>(size + index, 0);
}
size_t remove;
if (argc < 2) {
remove = size - index;
}
else {
remove = std::max<long>(Value::to_number(ctx, arguments[1]), 0);
remove = std::min<long>(remove, size - index);
}
std::vector<ValueType> removed_objects;
removed_objects.reserve(remove);
for (size_t i = 0; i < remove; i++) {
auto realm_object = realm::Object(list->get_realm(), list->get_object_schema(), list->get(index));
removed_objects.push_back(RealmObject<T>::create_instance(ctx, realm_object));
list->remove(index);
}
for (size_t i = 2; i < argc; i++) {
list->insert(ctx, arguments[i], index + i - 2);
}
return_value.set(Object::create_array(ctx, removed_objects));
}
void List<T>::unshift(ContextType ctx, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count_at_least(argc, 1);
auto list = get_internal<T, ListClass<T>>(this_object);
for (size_t i = 0; i < argc; i++) {
list->insert(ctx, arguments[i], i);
}
return_value.set((uint32_t)list->size());
}
void ListClass<T>::unshift(ContextType ctx, FunctionType, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count_at_least(argc, 1);
auto list = get_internal<T, ListClass<T>>(this_object);
NativeAccessor<T> accessor(ctx, list->get_realm(), list->get_object_schema());
for (size_t i = 0; i < argc; i++) {
list->insert(accessor, i, arguments[i]);
}
return_value.set((uint32_t)list->size());
}
void List<T>::filtered(ContextType ctx, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count_at_least(argc, 1);
auto list = get_internal<T, ListClass<T>>(this_object);
return_value.set(Results<T>::create_filtered(ctx, *list, argc, arguments));
}