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-rw-r--r--framework/datasets/SingletonDataset.h138
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-/*
- * Copyright (c) 2017 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_SINGLETON
-#define ARM_COMPUTE_TEST_DATASET_SINGLETON
-
-#include "ContainerDataset.h"
-#include "Dataset.h"
-#include "support/ToolchainSupport.h"
-
-#include <string>
-#include <tuple>
-#include <type_traits>
-#include <utility>
-
-namespace arm_compute
-{
-namespace test
-{
-namespace framework
-{
-namespace dataset
-{
-/** Implementation of a dataset holding a single value. */
-template <typename T>
-class SingletonDataset : public NamedDataset
-{
-public:
- /** Construct dataset with given name and value.
- *
- * @param[in] name Description of the value.
- * @param[in] value Value for the dataset.
- */
- SingletonDataset(std::string name, T &&value)
- : NamedDataset{ std::move(name) }, _value{ std::forward<T>(value) }
- {
- }
-
- SingletonDataset(SingletonDataset &&) = default;
-
- /** Type of the dataset. */
- using type = std::tuple<T>;
-
- /** Iterator for the dataset. */
- struct iterator
- {
- iterator(std::string name, const T *value)
- : _name{ name }, _value{ value }
- {
- }
-
- ~iterator() = default;
-
- iterator(const iterator &) = default;
- iterator &operator=(const iterator &) = default;
- iterator(iterator &&) = default;
- iterator &operator=(iterator &&) = default;
-
- std::string description() const
- {
- using support::cpp11::to_string;
- return _name + "=" + to_string(*_value);
- }
-
- SingletonDataset::type operator*() const
- {
- return std::make_tuple(*_value);
- }
-
- iterator &operator++()
- {
- return *this;
- }
-
- private:
- std::string _name;
- const T *_value;
- };
-
- /** Iterator pointing at the begin of the dataset.
- *
- * @return Iterator for the dataset.
- */
- iterator begin() const
- {
- return iterator(name(), &_value);
- }
-
- /** Size of the dataset.
- *
- * @return Number of values in the dataset.
- */
- int size() const
- {
- return 1;
- }
-
-private:
- T _value;
-};
-
-/** Helper function to create a @ref SingletonDataset.
- *
- * @param[in] name Name of the dataset.
- * @param[in] value Value.
- *
- * @return A singleton dataset.
- */
-template <typename T>
-typename std::enable_if < !is_container<T>::value, SingletonDataset<T >>::type make(std::string name, T &&value)
-{
- return SingletonDataset<T>(std::move(name), std::forward<T>(value));
-}
-} // namespace dataset
-} // namespace framework
-} // namespace test
-} // namespace arm_compute
-#endif /* ARM_COMPUTE_TEST_DATASET_SINGLETON */