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https://github.com/ThePhD/sol2.git
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112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
// The MIT License (MIT)
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// Copyright (c) 2013-2015 Danny Y., Rapptz
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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_HPP
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#define SOL_PROXY_HPP
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#include "traits.hpp"
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#include "object.hpp"
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#include "function.hpp"
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namespace sol {
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template<typename Table, typename Key>
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struct proxy {
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private:
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Table& tbl;
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If<std::is_array<Unqualified<Key>>, Key&, Unqualified<Key>> key;
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public:
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template<typename T>
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proxy(Table& table, T&& key) : tbl(table), key(std::forward<T>(key)) {}
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template<typename T>
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proxy& set(T&& item) {
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tbl.set(key, std::forward<T>(item));
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return *this;
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}
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template<typename... Args>
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proxy& set_function(Args&&... args) {
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tbl.set_function(key, std::forward<Args>(args)...);
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return *this;
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}
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template<typename U, EnableIf<Function<Unqualified<U>>> = 0>
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proxy& operator=(U&& other) {
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tbl.set_function(key, std::forward<U>(other));
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return *this;
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}
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template<typename U, DisableIf<Function<Unqualified<U>>> = 0>
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proxy& operator=(U&& other) {
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tbl.set(key, std::forward<U>(other));
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return *this;
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}
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template<typename T>
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T get() const {
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return tbl.template get<T>( key );
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}
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operator const char* () const {
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return get<const char*>();
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}
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template<typename T, EnableIf<Not<std::is_same<Unqualified<T>, const char*>>, Not<std::is_same<Unqualified<T>, char>>, Not<std::is_same<Unqualified<T>, std::string>>, Not<std::is_same<Unqualified<T>, std::initializer_list<char>>>> = 0>
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operator T () const {
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return get<T>();
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}
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template<typename... Ret, typename... Args>
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stack::get_return_or<function_result, Ret...> call(Args&&... args) {
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return tbl.template get<function>(key)(types<Ret...>(), std::forward<Args>(args)...);
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}
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template<typename... Args>
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function_result operator()(Args&&... args) {
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return tbl.template get<function>(key)(std::forward<Args>(args)...);
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}
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};
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template<typename Table, typename Key, typename T>
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inline bool operator==(T&& left, const proxy<Table, Key>& right) {
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return left == right.template get<Decay<T>>();
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}
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template<typename Table, typename Key, typename T>
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inline bool operator==(const proxy<Table, Key>& right, T&& left) {
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return right.template get<Decay<T>>() == left;
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}
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template<typename Table, typename Key, typename T>
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inline bool operator!=(T&& left, const proxy<Table, Key>& right) {
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return right.template get<Decay<T>>() != left;
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}
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template<typename Table, typename Key, typename T>
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inline bool operator!=(const proxy<Table, Key>& right, T&& left) {
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return right.template get<Decay<T>>() != left;
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}
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} // sol
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#endif // SOL_PROXY_HPP
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