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#pragma once
#include "compat/assert.hpp"
#include "compat/defs.hpp"
#include <type_traits>
#include <Corrade/Tags.h>
#include <Corrade/Utility/Move.h>
namespace floormat {
template<typename T>
class safe_ptr final
{
T* ptr;
public:
template<typename... Ts>
requires requires (Ts&&... xs) {
new T{Utility::forward<Ts>(xs)...};
}
safe_ptr(InPlaceInitT, Ts&&... args) noexcept:
ptr{new T{Utility::forward<Ts>(args)...}}
{}
explicit safe_ptr(T*&& ptr) noexcept: ptr{ptr}
{
fm_assert(ptr != nullptr);
ptr = nullptr;
}
~safe_ptr() noexcept
{
if (ptr) [[likely]]
delete ptr;
ptr = (T*)0xbadcafedeadbabe;
}
explicit safe_ptr(safe_ptr&& other) noexcept: ptr{other.ptr}
{
other.ptr = nullptr;
}
explicit safe_ptr() noexcept:
ptr{new T{}}
{}
safe_ptr& operator=(safe_ptr&& other) noexcept
{
fm_assert(this != &other);
if (ptr) [[likely]]
delete ptr;
ptr = other.ptr;
other.ptr = nullptr;
return *this;
}
fm_DECLARE_DELETED_COPY_ASSIGNMENT(safe_ptr);
//explicit operator bool() const noexcept { return ptr != nullptr; }
const T& operator*() const noexcept { return *ptr; }
T& operator*() noexcept { return *ptr; }
const T* operator->() const noexcept { return ptr; }
T* operator->() noexcept { return ptr; }
};
} // namespace floormat
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