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// sol2
// The MIT License (MIT)
// Copyright (c) 2013-2022 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_STACK_PROBE_HPP
#define SOL_STACK_PROBE_HPP
#include <sol/stack_core.hpp>
#include <sol/stack_field.hpp>
#include <sol/stack_check.hpp>
namespace sol { namespace stack {
template <typename T, typename P, bool b, bool raw, typename>
struct probe_field_getter {
template <typename Key>
probe get(lua_State* L, Key&& key, int tableindex = -2) {
if constexpr (!b) {
if (!maybe_indexable(L, tableindex)) {
return probe(false, 0);
}
}
get_field<b, raw>(L, std::forward<Key>(key), tableindex);
return probe(check<P>(L), 1);
}
};
template <typename A, typename B, typename P, bool b, bool raw, typename C>
struct probe_field_getter<std::pair<A, B>, P, b, raw, C> {
template <typename Keys>
probe get(lua_State* L, Keys&& keys, int tableindex = -2) {
if (!b && !maybe_indexable(L, tableindex)) {
return probe(false, 0);
}
get_field<b, raw>(L, std::get<0>(keys), tableindex);
if (!maybe_indexable(L)) {
return probe(false, 1);
}
get_field<false, raw>(L, std::get<1>(keys), tableindex);
return probe(check<P>(L), 2);
}
};
template <typename... Args, typename P, bool b, bool raw, typename C>
struct probe_field_getter<std::tuple<Args...>, P, b, raw, C> {
template <std::size_t I, typename Keys>
probe apply(std::index_sequence<I>, int sofar, lua_State* L, Keys&& keys, int tableindex) {
get_field<(I < 1) && b, raw>(L, std::get<I>(keys), tableindex);
return probe(check<P>(L), sofar);
}
template <std::size_t I, std::size_t I1, std::size_t... In, typename Keys>
probe apply(std::index_sequence<I, I1, In...>, int sofar, lua_State* L, Keys&& keys, int tableindex) {
get_field < I<1 && b, raw>(L, std::get<I>(keys), tableindex);
if (!maybe_indexable(L)) {
return probe(false, sofar);
}
return apply(std::index_sequence<I1, In...>(), sofar + 1, L, std::forward<Keys>(keys), -1);
}
template <typename Keys>
probe get(lua_State* L, Keys&& keys, int tableindex = -2) {
if constexpr (!b) {
if (!maybe_indexable(L, tableindex)) {
return probe(false, 0);
}
return apply(std::index_sequence_for<Args...>(), 1, L, std::forward<Keys>(keys), tableindex);
}
else {
return apply(std::index_sequence_for<Args...>(), 1, L, std::forward<Keys>(keys), tableindex);
}
}
};
}} // namespace sol::stack
#endif // SOL_STACK_PROBE_HPP
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