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https://github.com/KhronosGroup/OpenCL-CTS.git
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e92140f82d
In C++17 the return type of std::filesystem::path::u8string() is std::string, but in C++20 the return type changed to std::u8string. Add a helper to copy a std::u8string to a std::string, to be used when a std::string is required. This fixes the build for C++20.
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
//
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// Copyright (c) 2023 The Khronos Group Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef STRING_HELPERS_H
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#define STRING_HELPERS_H
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#include <memory>
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#include <stdexcept>
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#include <string>
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inline std::string concat_kernel(const char *sstr[], int num)
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{
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std::string res;
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for (int i = 0; i < num; i++) res += std::string(sstr[i]);
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return res;
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}
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template <typename... Args>
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inline std::string str_sprintf(const std::string &str, Args... args)
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{
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int str_size = std::snprintf(nullptr, 0, str.c_str(), args...) + 1;
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if (str_size <= 0) throw std::runtime_error("Formatting error.");
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size_t s = static_cast<size_t>(str_size);
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std::unique_ptr<char[]> buffer(new char[s]);
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std::snprintf(buffer.get(), s, str.c_str(), args...);
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return std::string(buffer.get(), buffer.get() + s - 1);
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}
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// Returns the argument, converted to std::string.
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// The return type of std::filesystem::path::u8string() was
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// std::string in C++17, but became std::u8string in C++20.
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// Use this method to wrap the result when a std::string
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// is desired.
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//
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// Use a template with a specialization for std::string,
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// so the generic template applies when std::u8string exists
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// and is used.
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template <typename STRING_TYPE>
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inline std::string to_string(const STRING_TYPE &str)
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{
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return std::string(str.begin(), str.end());
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}
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inline std::string to_string(const std::string &str) { return str; }
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#endif // STRING_HELPERS_H
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