nekolib/include/neko/platform.hpp
2019-06-22 10:00:54 -04:00

74 lines
1.8 KiB
C++

/*
* Nekolib: An extention to the standard libraries for ease of use
* Copyright (C) 2018 Rebekah Rowe
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <stdexcept>
namespace neko::plat {
constexpr bool kLinux =
#if defined(__linux__)
true
#else
false
#endif
;
constexpr bool kWindows =
#if defined(_WIN32)
true
#else
false
#endif
;
constexpr bool kApple =
#if defined(__APPLE__)
true
#else
false
#endif
;
// This is for offsets to functions in vtable on multiple platforms.
template <typename T>
constexpr T Switch(T _linux = 0, T _windows = 0, T _osx = 0) {
if constexpr (kLinux)
return _linux;
else if constexpr (kWindows)
return _windows;
else if constexpr (kApple)
return _osx;
throw std::runtime_error("Unknown Platform");
}
// String corrections
template <const char*>
constexpr const char* Switch(const char* _linux = "", const char* _windows = "",
const char* _osx = "") {
if constexpr (kLinux)
return _linux;
else if constexpr (kWindows)
return _windows;
else if constexpr (kApple)
return _osx;
throw std::runtime_error("Unknown Platform");
}
} // namespace neko::plat