// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#pragma once
#include <memory>
#include <type_traits>
#include <utility>
namespace arrow {
namespace internal {
template <typename OutputType, typename InputType>
inline OutputType checked_cast(InputType&& value) {
static_assert(std::is_class<typename std::remove_pointer<
typename std::remove_reference<InputType>::type>::type>::value,
"checked_cast input type must be a class");
static_assert(std::is_class<typename std::remove_pointer<
typename std::remove_reference<OutputType>::type>::type>::value,
"checked_cast output type must be a class");
#ifdef NDEBUG
return static_cast<OutputType>(value);
#else
return dynamic_cast<OutputType>(value);
#endif
}
template <class T, class U>
std::shared_ptr<T> checked_pointer_cast(std::shared_ptr<U> r) noexcept {
#ifdef NDEBUG
return std::static_pointer_cast<T>(std::move(r));
#else
return std::dynamic_pointer_cast<T>(std::move(r));
#endif
}
template <class T, class U>
std::unique_ptr<T> checked_pointer_cast(std::unique_ptr<U> r) noexcept {
#ifdef NDEBUG
return std::unique_ptr<T>(static_cast<T*>(r.release()));
#else
return std::unique_ptr<T>(dynamic_cast<T*>(r.release()));
#endif
}
} // namespace internal
} // namespace arrow