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