COMPMID-415: New framework - datasets [2/5]
Change-Id: Ice4e5d73f40ba2f105663924393afcc88db07973
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/79756
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/framework/datasets/SingletonDataset.h b/framework/datasets/SingletonDataset.h
new file mode 100644
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+++ b/framework/datasets/SingletonDataset.h
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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 final : 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 */