C++系统相关操作5 - 获取C++标准的版本

#pragma once

#include <cstdint>
#include <string>

namespace cutl
{
    /**
     * @brief Get the C++ standard library version.
     *
     * @return std::string the C++ standard library version.
     */
    std::string cpp_stl_version();
} // namespace cutl

#include <map>
#include <iostream>
#include <strutil.h>
#include <cstdlib>
#include "sysutil.h"
#include "inner/logger.h"
#include "inner/system_util.h"
#include "inner/filesystem.h"

namespace cutl
{
    std::string cpp_stl_version()
    {
        static std::map<long, std::string> version_map = {
            {199711L, "C++98"},
            {201103L, "C++11"},
            {201402L, "C++14"},
            {201703L, "C++17"},
            {202002L, "C++20"},
        };

        std::string stlVersion;
        auto iter = version_map.find(__cplusplus);
        if (iter != version_map.end())
        {
            stlVersion = iter->second;
        }

        return std::to_string(__cplusplus) + " (" + stlVersion + ")";
    }
} // namespace cutl

#include "common.hpp"
#include "sysutil.h"

void TestCppStlVersion()
{
    PrintSubTitle("TestCppStlVersion");

    std::cout << "C++ STL version: " << cutl::cpp_stl_version() << std::endl;
}