sol2/include/sol/stack_proxy_base.hpp

99 lines
2.5 KiB
C++

// sol3
// The MIT License (MIT)
// Copyright (c) 2013-2019 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_PROXY_BASE_HPP
#define SOL_STACK_PROXY_BASE_HPP
#include <sol/stack.hpp>
#include <sol/proxy_base.hpp>
namespace sol {
struct stack_proxy_base : public proxy_base<stack_proxy_base> {
private:
lua_State* L;
int index;
public:
stack_proxy_base()
: L(nullptr), index(0) {
}
stack_proxy_base(lua_State* L, int index)
: L(L), index(index) {
}
template <typename T>
decltype(auto) get() const {
return stack::get<T>(L, stack_index());
}
template <typename T>
bool is() const {
return stack::check<T>(L, stack_index());
}
template <typename T>
decltype(auto) as() const {
return get<T>();
}
type get_type() const noexcept {
return type_of(lua_state(), stack_index());
}
int push() const {
return push(L);
}
int push(lua_State* Ls) const {
lua_pushvalue(Ls, index);
return 1;
}
lua_State* lua_state() const {
return L;
}
int stack_index() const {
return index;
}
};
namespace stack {
template <>
struct unqualified_getter<stack_proxy_base> {
static stack_proxy_base get(lua_State* L, int index = -1) {
return stack_proxy_base(L, index);
}
};
template <>
struct unqualified_pusher<stack_proxy_base> {
static int push(lua_State*, const stack_proxy_base& ref) {
return ref.push();
}
};
} // namespace stack
} // namespace sol
#endif // SOL_STACK_PROXY_BASE_HPP