mirror of
https://github.com/ThePhD/sol2.git
synced 2024-03-22 13:10:44 +08:00
96 lines
4.0 KiB
C++
96 lines
4.0 KiB
C++
// sol3
|
|
|
|
// The MIT License (MIT)
|
|
|
|
// Copyright (c) 2013-2018 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_TABLE_HPP
|
|
#define SOL_TABLE_HPP
|
|
|
|
#include "table_core.hpp"
|
|
#include "usertype.hpp"
|
|
|
|
namespace sol {
|
|
typedef table_core<false> table;
|
|
|
|
template <bool is_global, typename base_type>
|
|
template <typename Class, typename Key>
|
|
usertype<Class> basic_table_core<is_global, base_type>::new_usertype(Key&& key) {
|
|
automagic_enrollments enrollments;
|
|
return this->new_usertype<Class>(std::forward<Key>(key), std::move(enrollments));
|
|
}
|
|
|
|
template <bool is_global, typename base_type>
|
|
template <typename Class, typename Key>
|
|
usertype<Class> basic_table_core<is_global, base_type>::new_usertype(Key&& key, automagic_enrollments enrollments) {
|
|
int mt_index = u_detail::register_usertype<Class>(this->lua_state(), std::move(enrollments));
|
|
usertype<Class> mt(this->lua_state(), -mt_index);
|
|
lua_pop(this->lua_state(), 1);
|
|
set(std::forward<Key>(key), mt);
|
|
return mt;
|
|
}
|
|
|
|
template <bool is_global, typename base_type>
|
|
template <typename Class, typename Key, typename Arg, typename... Args, typename>
|
|
usertype<Class> basic_table_core<is_global, base_type>::new_usertype(Key&& key, Arg&& arg, Args&&... args) {
|
|
automagic_enrollments enrollments;
|
|
enrollments.default_constructor = !detail::any_is_constructor_v<Arg, Args...>;
|
|
enrollments.destructor = !detail::any_is_destructor_v<Arg, Args...>;
|
|
usertype<Class> ut = this->new_usertype<Class>(std::forward<Key>(key), std::move(enrollments));
|
|
static_assert(sizeof...(Args) % 2 == static_cast<std::size_t>(!detail::any_is_constructor_v<Arg>),
|
|
"you must pass an even number of arguments to new_usertype after first passing a constructor");
|
|
if constexpr (detail::any_is_constructor_v<Arg>) {
|
|
ut.set(meta_function::construct, std::forward<Arg>(arg));
|
|
ut.tuple_set(std::make_index_sequence<(sizeof...(Args)) / 2>(), std::forward_as_tuple(std::forward<Args>(args)...));
|
|
}
|
|
else {
|
|
ut.tuple_set(std::make_index_sequence<(sizeof...(Args) + 1) / 2>(), std::forward_as_tuple(std::forward<Arg>(arg), std::forward<Args>(args)...));
|
|
}
|
|
return ut;
|
|
}
|
|
|
|
template <typename base_type>
|
|
template <typename Key, typename Value>
|
|
void basic_metatable<base_type>::set(Key&& key, Value&& value) {
|
|
optional<u_detail::usertype_storage_base&> maybe_uts = u_detail::maybe_get_usertype_storage_base(this->lua_state());
|
|
if (maybe_uts) {
|
|
u_detail::usertype_storage_base& uts = *maybe_uts;
|
|
uts.set(std::forward<Key>(key), std::forward<Value>(value));
|
|
}
|
|
else {
|
|
base_t::set(std::forward<Key>(key), std::forward<Value>(value));
|
|
}
|
|
}
|
|
|
|
namespace stack {
|
|
template <>
|
|
struct unqualified_getter<metatable_t> {
|
|
static table get(lua_State* L, int index = -1) {
|
|
if (lua_getmetatable(L, index) == 0) {
|
|
return table(L, ref_index(LUA_REFNIL));
|
|
}
|
|
return table(L, -1);
|
|
}
|
|
};
|
|
} // namespace stack
|
|
} // namespace sol
|
|
|
|
#endif // SOL_TABLE_HPP
|