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/*
* Copyright (c) 2017-2021 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_TEST_DATASET_CONTAINER
#define ARM_COMPUTE_TEST_DATASET_CONTAINER
#include "Dataset.h"
#include "support/StringSupport.h"
#include <string>
#include <tuple>
#include <type_traits>
#include <utility>
#include <vector>
namespace arm_compute
{
namespace test
{
namespace framework
{
namespace dataset
{
/** Base case. Nothing is a container. */
template <typename T>
struct is_container : public std::false_type
{
};
/** Vector is considered a container. */
template <typename V, typename A>
struct is_container<std::vector<V, A>> : public std::true_type
{
};
/** Implementation of a dataset created from a container. */
template <typename T>
class ContainerDataset : public NamedDataset
{
private:
using container_value_type = typename T::value_type;
using container_const_iterator = typename T::const_iterator;
public:
/** Construct dataset with given name and values from the container.
*
* @param[in] name Description of the values.
* @param[in] container Values for the dataset.
*/
ContainerDataset(std::string name, T &&container)
: NamedDataset{ std::move(name) }, _container(std::forward<T>(container))
{
}
/** Allow instances of this class to be copy constructed */
ContainerDataset(const ContainerDataset &) = default;
/** Allow instances of this class to be move constructed */
ContainerDataset(ContainerDataset &&) = default;
/** Type of the dataset. */
using type = std::tuple<container_value_type>;
/** Iterator for the dataset. */
struct iterator
{
/** Construct iterator
*
* @param[in] name Description of the values.
* @param[in] iterator Iterator for the values.
*/
iterator(std::string name, container_const_iterator iterator)
: _name{ name }, _iterator{ iterator }
{
}
/** Get a description of the current value.
*
* @return a description.
*/
std::string description() const
{
using support::cpp11::to_string;
return _name + "=" + to_string(*_iterator);
}
/** Get the current value.
*
* @return the current value.
*/
ContainerDataset::type operator*() const
{
return std::make_tuple(*_iterator);
}
/** Increment the iterator.
*
* @return this.
*/
iterator &operator++()
{
++_iterator;
return *this;
}
private:
std::string _name;
container_const_iterator _iterator;
};
/** Iterator pointing at the begin of the dataset.
*
* @return Iterator for the dataset.
*/
iterator begin() const
{
return iterator(name(), _container.cbegin());
}
/** Size of the dataset.
*
* @return Number of values in the dataset.
*/
int size() const
{
return _container.size();
}
private:
T _container;
};
/** Helper function to create a @ref ContainerDataset.
*
* @param[in] name Name of the dataset.
* @param[in] values Container.
*
* @return A container dataset.
*/
template <typename T>
typename std::enable_if<is_container<T>::value, ContainerDataset<T>>::type make(std::string name, T &&values)
{
return ContainerDataset<T>(std::move(name), std::forward<T>(values));
}
} // namespace dataset
} // namespace framework
} // namespace test
} // namespace arm_compute
#endif /* ARM_COMPUTE_TEST_DATASET_CONTAINER */
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