sol2/sol/table.hpp

// The MIT License (MIT)

// Copyright (c) 2013 Danny Y., Rapptz

// 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_TABLE_HPP
#define SOL_TABLE_HPP

#include "stack.hpp"

namespace sol {
class table : virtual public reference {
public:
    table() noexcept: reference{} {}
    table(lua_State* L, int index = -1): reference(L, index) {
        type_assert(L, index, type::table);
    }

    template<typename T, typename U>
    T get(U&& key) const {
        push();
        stack::push(state(), std::forward<U>(key));
        lua_gettable(state(), -2);
        type_assert(state(), -1, type_of<T>());
        auto result = stack::pop<T>(state());
        lua_pop(state(), 1);
        return result;
    }

    template<typename T, typename U>
    table& set(T&& key, U&& value) {
        push();
        stack::push(state(), std::forward<T>(key));
        stack::push(state(), std::forward<U>(value));
        lua_settable(state(), -3);
        lua_pop(state(), 1);
        return *this;
    }
};
} // sol

#endif // SOL_TABLE_HPP