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+/*
+ * Copyright (c) 2017-2018 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_UTILS_SIMPLEOPTION
+#define ARM_COMPUTE_UTILS_SIMPLEOPTION
+
+#include "Option.h"
+
+#include <sstream>
+#include <stdexcept>
+#include <string>
+
+namespace arm_compute
+{
+namespace utils
+{
+/** Implementation of an option that accepts a single value. */
+template <typename T>
+class SimpleOption : public Option
+{
+public:
+ using Option::Option;
+
+ /** Construct the option with the given default value.
+ *
+ * @param[in] name Name of the option.
+ * @param[in] default_value Default value.
+ */
+ SimpleOption(std::string name, T default_value);
+
+ /** Parses the given string.
+ *
+ * @param[in] value String representation as passed on the command line.
+ *
+ * @return True if the value could be parsed by the specific subclass.
+ */
+ bool parse(std::string value) override;
+
+ /** Help message for the option.
+ *
+ * @return String representing the help message for the specific subclass.
+ */
+ std::string help() const override;
+
+ /** Get the option value.
+ *
+ * @return the option value.
+ */
+ const T &value() const;
+
+protected:
+ T _value{};
+};
+
+template <typename T>
+inline SimpleOption<T>::SimpleOption(std::string name, T default_value)
+ : Option{ std::move(name), false, true }, _value{ std::move(default_value) }
+{
+}
+
+template <typename T>
+bool SimpleOption<T>::parse(std::string value)
+{
+ try
+ {
+ std::stringstream stream{ std::move(value) };
+ stream >> _value;
+ _is_set = !stream.fail();
+ return _is_set;
+ }
+ catch(const std::invalid_argument &)
+ {
+ return false;
+ }
+}
+
+template <>
+inline bool SimpleOption<std::string>::parse(std::string value)
+{
+ _value = std::move(value);
+ _is_set = true;
+ return true;
+}
+
+template <typename T>
+inline std::string SimpleOption<T>::help() const
+{
+ return "--" + name() + "=VALUE - " + _help;
+}
+
+template <typename T>
+inline const T &SimpleOption<T>::value() const
+{
+ return _value;
+}
+} // namespace utils
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_UTILS_SIMPLEOPTION */