117 lines
2.5 KiB
C++
117 lines
2.5 KiB
C++
/* **************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* shared_ptr.ipp :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2024/01/20 10:17:18 by maldavid #+# #+# */
|
|
/* Updated: 2024/01/20 10:17:18 by maldavid ### ########.fr */
|
|
/* */
|
|
/* **************************************************************************** */
|
|
|
|
namespace unstd
|
|
{
|
|
template <typename T>
|
|
SharedPtr<T>::SharedPtr(T* ptr) : _ptr(ptr)
|
|
{
|
|
_ref = new bits::RefCount(1, 0);
|
|
}
|
|
|
|
template <typename T>
|
|
SharedPtr<T>::SharedPtr(const SharedPtr<T>& rhs) : _ptr(rhs._ptr), _ref(rhs._ref)
|
|
{
|
|
if (_ptr && _ref)
|
|
++_ref->shared;
|
|
}
|
|
|
|
template <typename T>
|
|
SharedPtr<T>& SharedPtr<T>::operator=(const SharedPtr<T>& rhs)
|
|
{
|
|
if (_ptr == rhs._ptr)
|
|
return *this;
|
|
|
|
safeRelease();
|
|
_ptr = rhs._ptr;
|
|
_ref = rhs._ref;
|
|
_ref->shared++;
|
|
return *this;
|
|
}
|
|
|
|
template <typename T>
|
|
SharedPtr<T>::operator bool() const
|
|
{
|
|
return _ptr != NULL;
|
|
}
|
|
|
|
template <typename T>
|
|
bool SharedPtr<T>::operator==(const SharedPtr<T>& rhs)
|
|
{
|
|
return _ptr == rhs._ptr;
|
|
}
|
|
|
|
template <typename T>
|
|
bool SharedPtr<T>::operator==(T* ptr)
|
|
{
|
|
return _ptr == ptr;
|
|
}
|
|
|
|
template <typename T>
|
|
T& SharedPtr<T>::operator*()
|
|
{
|
|
return *_ptr;
|
|
}
|
|
|
|
template <typename T>
|
|
T* SharedPtr<T>::operator->()
|
|
{
|
|
return _ptr;
|
|
}
|
|
|
|
template <typename T>
|
|
T* SharedPtr<T>::get() const
|
|
{
|
|
return _ptr;
|
|
}
|
|
|
|
template <typename T>
|
|
void SharedPtr<T>::swap(SharedPtr<T>& rhs)
|
|
{
|
|
T* tmptr = _ptr;
|
|
bits::RefCount* tmpref = _ref;
|
|
_ptr = rhs._ptr;
|
|
_ref = rhs._ref;
|
|
rhs._ptr = tmptr;
|
|
rhs._ref = tmpref;
|
|
}
|
|
|
|
template <typename T>
|
|
void SharedPtr<T>::reset(T* ptr)
|
|
{
|
|
safeRelease();
|
|
_ptr = ptr;
|
|
_ref = new bits::RefCount(1, 0);
|
|
}
|
|
|
|
template <typename T>
|
|
void SharedPtr<T>::safeRelease()
|
|
{
|
|
if (_ref == NULL)
|
|
return ;
|
|
_ref->shared--;
|
|
if (_ref->shared <= 0)
|
|
{
|
|
delete _ptr;
|
|
_ptr = NULL;
|
|
delete _ref;
|
|
_ref = NULL;
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
SharedPtr<T>::~SharedPtr()
|
|
{
|
|
safeRelease();
|
|
}
|
|
}
|