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openmw/extern/sol3/sol/proxy_base.hpp

69 lines
2.6 KiB
C++

// sol2
// The MIT License (MIT)
// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
// 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 SOL_PROXY_BASE_HPP
#define SOL_PROXY_BASE_HPP
#include <sol/reference.hpp>
#include <sol/tuple.hpp>
#include <sol/stack.hpp>
namespace sol {
struct proxy_base_tag { };
namespace detail {
template <typename T>
using proxy_key_t = meta::conditional_t<meta::is_specialization_of_v<meta::unqualified_t<T>, std::tuple>, T,
std::tuple<meta::conditional_t<std::is_array_v<meta::unqualified_t<T>>, std::remove_reference_t<T>&, meta::unqualified_t<T>>>>;
}
template <typename Super>
struct proxy_base : public proxy_base_tag {
lua_State* lua_state() const {
const Super& super = *static_cast<const Super*>(static_cast<const void*>(this));
return super.lua_state();
}
operator std::string() const {
const Super& super = *static_cast<const Super*>(static_cast<const void*>(this));
return super.template get<std::string>();
}
template <typename T, meta::enable<meta::neg<meta::is_string_constructible<T>>, is_proxy_primitive<meta::unqualified_t<T>>> = meta::enabler>
operator T() const {
const Super& super = *static_cast<const Super*>(static_cast<const void*>(this));
return super.template get<T>();
}
template <typename T,
meta::enable<meta::neg<meta::is_string_constructible<T>>, meta::neg<is_proxy_primitive<meta::unqualified_t<T>>>> = meta::enabler>
operator T&() const {
const Super& super = *static_cast<const Super*>(static_cast<const void*>(this));
return super.template get<T&>();
}
};
} // namespace sol
#endif // SOL_PROXY_BASE_HPP