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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_USER_CONFIGURATION_H__
+#define __ARM_COMPUTE_TEST_USER_CONFIGURATION_H__
+
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Types.h"
+
+#include <random>
+#include <string>
+
+namespace arm_compute
+{
+namespace test
+{
+class ProgramOptions;
+
+/** Container providing easy access to runtime options provided by the user. */
+struct UserConfiguration
+{
+protected:
+ /** Wrapper around options to store if an option has been set. */
+ template <typename T>
+ class Option
+ {
+ public:
+ /** Initialise the option to its default (C++) value and mark it as 'not set'. */
+ Option();
+
+ /** Initialise the option to the given @p value and mark it as 'set'. */
+ Option(const T &value);
+
+ /** Assign the given @p value and mark it as 'set'. */
+ Option<T> &operator=(const T &value);
+
+ /** Query if the option has been set. */
+ constexpr bool is_set() const;
+
+ /** Return the underlying value as constant. */
+ T get() const;
+
+ /** Return the underlying value. */
+ T &get();
+
+ /** Implicitly return the underlying value. */
+ operator T() const;
+
+ private:
+ T _value;
+ bool _is_set;
+ };
+
+public:
+ UserConfiguration() = default;
+
+ /** Initialise the configuration according to the program options.
+ *
+ * @param[in] options Parsed command line options.
+ */
+ UserConfiguration(const ProgramOptions &options);
+
+ Option<std::string> path{};
+ Option<std::random_device::result_type> seed{};
+ Option<unsigned int> threads{};
+};
+
+template <typename T>
+UserConfiguration::Option<T>::Option()
+ : _value{}, _is_set{ false }
+{
+}
+
+template <typename T>
+UserConfiguration::Option<T>::Option(const T &value)
+ : _value{ value }, _is_set{ true }
+{
+}
+
+template <typename T>
+UserConfiguration::Option<T> &UserConfiguration::Option<T>::operator=(const T &value)
+{
+ _value = value;
+ _is_set = true;
+
+ return *this;
+}
+
+template <typename T>
+constexpr bool UserConfiguration::Option<T>::is_set() const
+{
+ return _is_set;
+}
+
+template <typename T>
+T UserConfiguration::Option<T>::get() const
+{
+ ARM_COMPUTE_ERROR_ON(!is_set());
+ return _value;
+}
+
+template <typename T>
+T &UserConfiguration::Option<T>::get()
+{
+ return _value;
+}
+
+template <typename T>
+UserConfiguration::Option<T>::operator T() const
+{
+ ARM_COMPUTE_ERROR_ON(!is_set());
+ return _value;
+}
+} // namespace test
+} // namespace arm_compute
+#endif