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68 lines
2.6 KiB
C++
68 lines
2.6 KiB
C++
// sol2
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// The MIT License (MIT)
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// Copyright (c) 2013-2021 Rapptz, ThePhD and contributors
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SOL_PROXY_BASE_HPP
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#define SOL_PROXY_BASE_HPP
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#include <sol/reference.hpp>
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#include <sol/tuple.hpp>
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#include <sol/stack.hpp>
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namespace sol {
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struct proxy_base_tag { };
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namespace detail {
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template <typename T>
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using proxy_key_t = meta::conditional_t<meta::is_specialization_of_v<meta::unqualified_t<T>, std::tuple>, T,
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std::tuple<meta::conditional_t<std::is_array_v<meta::unqualified_t<T>>, std::remove_reference_t<T>&, meta::unqualified_t<T>>>>;
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}
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template <typename Super>
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struct proxy_base : public proxy_base_tag {
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lua_State* lua_state() const {
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const Super& super = *static_cast<const Super*>(static_cast<const void*>(this));
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return super.lua_state();
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}
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operator std::string() const {
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const Super& super = *static_cast<const Super*>(static_cast<const void*>(this));
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return super.template get<std::string>();
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}
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template <typename T, meta::enable<meta::neg<meta::is_string_constructible<T>>, is_proxy_primitive<meta::unqualified_t<T>>> = meta::enabler>
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operator T() const {
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const Super& super = *static_cast<const Super*>(static_cast<const void*>(this));
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return super.template get<T>();
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}
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template <typename T,
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meta::enable<meta::neg<meta::is_string_constructible<T>>, meta::neg<is_proxy_primitive<meta::unqualified_t<T>>>> = meta::enabler>
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operator T&() const {
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const Super& super = *static_cast<const Super*>(static_cast<const void*>(this));
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return super.template get<T&>();
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}
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};
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} // namespace sol
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#endif // SOL_PROXY_BASE_HPP
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