| /* |
| * 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_ENUMLISTOPTION |
| #define ARM_COMPUTE_UTILS_ENUMLISTOPTION |
| |
| #include "Option.h" |
| |
| #include <initializer_list> |
| #include <set> |
| #include <sstream> |
| #include <stdexcept> |
| #include <string> |
| #include <vector> |
| |
| namespace arm_compute |
| { |
| namespace utils |
| { |
| /** Implementation of an option that accepts any number of values from a fixed set. */ |
| template <typename T> |
| class EnumListOption : public Option |
| { |
| public: |
| /** Construct option with allowed values. |
| * |
| * @param[in] name Name of the option. |
| * @param[in] allowed_values Set of allowed values for the option. |
| */ |
| EnumListOption(std::string name, std::set<T> allowed_values); |
| |
| /** Construct option with allowed values, a fixed number of accepted values and default values for the option. |
| * |
| * @param[in] name Name of the option. |
| * @param[in] allowed_values Set of allowed values for the option. |
| * @param[in] default_values Default values. |
| */ |
| EnumListOption(std::string name, std::set<T> allowed_values, std::initializer_list<T> &&default_values); |
| |
| bool parse(std::string value) override; |
| std::string help() const override; |
| |
| /** Get the values of the option. |
| * |
| * @return a list of the selected option values. |
| */ |
| const std::vector<T> &value() const; |
| |
| private: |
| std::vector<T> _values{}; |
| std::set<T> _allowed_values{}; |
| }; |
| |
| template <typename T> |
| inline EnumListOption<T>::EnumListOption(std::string name, std::set<T> allowed_values) |
| : Option{ std::move(name) }, _allowed_values{ std::move(allowed_values) } |
| { |
| } |
| |
| template <typename T> |
| inline EnumListOption<T>::EnumListOption(std::string name, std::set<T> allowed_values, std::initializer_list<T> &&default_values) |
| : Option{ std::move(name), false, true }, _values{ std::forward<std::initializer_list<T>>(default_values) }, _allowed_values{ std::move(allowed_values) } |
| { |
| } |
| |
| template <typename T> |
| bool EnumListOption<T>::parse(std::string value) |
| { |
| // Remove default values |
| _values.clear(); |
| _is_set = true; |
| |
| std::stringstream stream{ value }; |
| std::string item; |
| |
| while(!std::getline(stream, item, ',').fail()) |
| { |
| try |
| { |
| std::stringstream item_stream(item); |
| T typed_value{}; |
| |
| item_stream >> typed_value; |
| |
| if(!item_stream.fail()) |
| { |
| if(_allowed_values.count(typed_value) == 0) |
| { |
| _is_set = false; |
| continue; |
| } |
| |
| _values.emplace_back(typed_value); |
| } |
| |
| _is_set = _is_set && !item_stream.fail(); |
| } |
| catch(const std::invalid_argument &) |
| { |
| _is_set = false; |
| } |
| } |
| |
| return _is_set; |
| } |
| |
| template <typename T> |
| std::string EnumListOption<T>::help() const |
| { |
| std::stringstream msg; |
| msg << "--" + name() + "={"; |
| |
| for(const auto &value : _allowed_values) |
| { |
| msg << value << ","; |
| } |
| |
| msg << "}[,{...}[,...]] - " << _help; |
| |
| return msg.str(); |
| } |
| |
| template <typename T> |
| inline const std::vector<T> &EnumListOption<T>::value() const |
| { |
| return _values; |
| } |
| } // namespace utils |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_UTILS_ENUMLISTOPTION */ |