| /* |
| * Copyright (c) 2017-2020 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_STRINGSUPPORT |
| #define ARM_COMPUTE_TEST_STRINGSUPPORT |
| |
| #include <cassert> |
| #include <memory> |
| #include <sstream> |
| #include <string> |
| |
| namespace arm_compute |
| { |
| namespace support |
| { |
| namespace cpp11 |
| { |
| enum class NumericBase |
| { |
| BASE_10, |
| BASE_16 |
| }; |
| |
| /** Convert string values to integer. |
| * |
| * @note This function implements the same behaviour as std::stoi. The latter |
| * is missing in some Android toolchains. |
| * |
| * @param[in] str String to be converted to int. |
| * @param[in] pos If idx is not a null pointer, the function sets the value of pos to the position of the first character in str after the number. |
| * @param[in] base Numeric base used to interpret the string. |
| * |
| * @return Integer representation of @p str. |
| */ |
| inline int stoi(const std::string &str, std::size_t *pos = 0, NumericBase base = NumericBase::BASE_10) |
| { |
| assert(base == NumericBase::BASE_10 || base == NumericBase::BASE_16); |
| unsigned int x; |
| std::stringstream ss; |
| if(base == NumericBase::BASE_16) |
| { |
| ss << std::hex; |
| } |
| ss << str; |
| ss >> x; |
| |
| if(pos) |
| { |
| std::string s; |
| std::stringstream ss_p; |
| |
| ss_p << x; |
| ss_p >> s; |
| *pos = s.length(); |
| } |
| |
| return x; |
| } |
| |
| /** Convert string values to unsigned long. |
| * |
| * @note This function implements the same behaviour as std::stoul. The latter |
| * is missing in some Android toolchains. |
| * |
| * @param[in] str String to be converted to unsigned long. |
| * @param[in] pos If idx is not a null pointer, the function sets the value of pos to the position of the first character in str after the number. |
| * @param[in] base Numeric base used to interpret the string. |
| * |
| * @return Unsigned long representation of @p str. |
| */ |
| inline unsigned long stoul(const std::string &str, std::size_t *pos = 0, NumericBase base = NumericBase::BASE_10) |
| { |
| assert(base == NumericBase::BASE_10 || base == NumericBase::BASE_16); |
| std::stringstream stream; |
| unsigned long value = 0; |
| if(base == NumericBase::BASE_16) |
| { |
| stream << std::hex; |
| } |
| stream << str; |
| stream >> value; |
| |
| if(pos) |
| { |
| std::string s; |
| std::stringstream ss_p; |
| |
| ss_p << value; |
| ss_p >> s; |
| *pos = s.length(); |
| } |
| |
| return value; |
| } |
| |
| #if(__ANDROID__ || BARE_METAL) |
| /** Convert integer and float values to string. |
| * |
| * @note This function implements the same behaviour as std::to_string. The |
| * latter is missing in some Android toolchains. |
| * |
| * @param[in] value Value to be converted to string. |
| * |
| * @return String representation of @p value. |
| */ |
| template <typename T, typename std::enable_if<std::is_arithmetic<typename std::decay<T>::type>::value, int>::type = 0> |
| inline std::string to_string(T && value) |
| { |
| std::stringstream stream; |
| stream << std::forward<T>(value); |
| return stream.str(); |
| } |
| |
| /** Convert string values to float. |
| * |
| * @note This function implements the same behaviour as std::stof. The latter |
| * is missing in some Android toolchains. |
| * |
| * @param[in] str String to be converted to float. |
| * |
| * @return Float representation of @p str. |
| */ |
| inline float stof(const std::string &str) |
| { |
| std::stringstream stream(str); |
| float value = 0.f; |
| stream >> value; |
| return value; |
| } |
| |
| #else /* (__ANDROID__ || BARE_METAL) */ |
| /** Convert integer and float values to string. |
| * |
| * @note This function acts as a convenience wrapper around std::to_string. The |
| * latter is missing in some Android toolchains. |
| * |
| * @param[in] value Value to be converted to string. |
| * |
| * @return String representation of @p value. |
| */ |
| template <typename T> |
| inline std::string to_string(T &&value) |
| { |
| return ::std::to_string(std::forward<T>(value)); |
| } |
| |
| /** Convert string values to float. |
| * |
| * @note This function acts as a convenience wrapper around std::stof. The |
| * latter is missing in some Android toolchains. |
| * |
| * @param[in] args Arguments forwarded to std::stof. |
| * |
| * @return Float representation of input string. |
| */ |
| template <typename... Ts> |
| int stof(Ts &&... args) |
| { |
| return ::std::stof(std::forward<Ts>(args)...); |
| } |
| |
| #endif /* (__ANDROID__ || BARE_METAL) */ |
| |
| inline std::string to_string(bool value) |
| { |
| std::stringstream str; |
| str << std::boolalpha << value; |
| return str.str(); |
| } |
| |
| } // namespace cpp11 |
| } // namespace support |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_TEST_STRINGSUPPORT */ |