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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_COMMANDLINEPARSER
+#define ARM_COMPUTE_TEST_COMMANDLINEPARSER
+
+#include "../Utils.h"
+#include "Option.h"
+
+#include <map>
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
+namespace arm_compute
+{
+namespace test
+{
+namespace framework
+{
+/** Class to parse command line arguments. */
+class CommandLineParser final
+{
+public:
+ /** Default constructor. */
+ CommandLineParser() = default;
+
+ /** Function to add a new option to the parser.
+ *
+ * @param[in] name Name of the option. Will be available under --name=VALUE.
+ * @param[in] args Option specific configuration arguments.
+ *
+ * @return Pointer to the option. The option is owned by the parser.
+ */
+ template <typename T, typename... As>
+ T *add_option(const std::string &name, As &&... args);
+
+ /** Function to add a new positional argument to the parser.
+ *
+ * @param[in] args Option specific configuration arguments.
+ *
+ * @return Pointer to the option. The option is owned by the parser.
+ */
+ template <typename T, typename... As>
+ T *add_positional_option(As &&... args);
+
+ /** Parses the command line arguments and updates the options accordingly.
+ *
+ * @param[in] argc Number of arguments.
+ * @param[in] argv Arguments.
+ */
+ void parse(int argc, char **argv);
+
+ /** Validates the previously parsed command line arguments.
+ *
+ * Validation fails if not all required options are provided. Additionally
+ * warnings are generated for options that have illegal values or unknown
+ * options.
+ *
+ * @return True if all required options have been provided.
+ */
+ bool validate() const;
+
+ /** Prints a help message for all configured options.
+ *
+ * @param[in] program_name Name of the program to be used in the help message.
+ */
+ void print_help(const std::string &program_name) const;
+
+private:
+ using OptionsMap = std::map<std::string, std::unique_ptr<Option>>;
+ using PositionalOptionsVector = std::vector<std::unique_ptr<Option>>;
+
+ OptionsMap _options{};
+ PositionalOptionsVector _positional_options{};
+ std::vector<std::string> _unknown_options{};
+ std::vector<std::string> _invalid_options{};
+};
+
+template <typename T, typename... As>
+inline T *CommandLineParser::add_option(const std::string &name, As &&... args)
+{
+ auto result = _options.emplace(name, support::cpp14::make_unique<T>(name, std::forward<As>(args)...));
+ return static_cast<T *>(result.first->second.get());
+}
+
+template <typename T, typename... As>
+inline T *CommandLineParser::add_positional_option(As &&... args)
+{
+ _positional_options.emplace_back(support::cpp14::make_unique<T>(std::forward<As>(args)...));
+ return static_cast<T *>(_positional_options.back().get());
+}
+} // namespace framework
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_COMMANDLINEPARSER */