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// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/nekernel-org/nekernel
#ifndef NEKIT_OWNPTR_H
#define NEKIT_OWNPTR_H
#include <NeKit/Config.h>
#include <NeKit/ErrorOr.h>
#include <NeKit/KernelPanic.h>
#include <NeKit/Ref.h>
namespace Kernel {
template <typename T>
class OwnPtr;
template <typename T>
class NonNullRefPtr;
template <typename T>
class OwnPtr final {
public:
OwnPtr() : fCls(nullptr) {}
~OwnPtr() { this->Reset(); }
OwnPtr& operator=(const OwnPtr&) = default;
OwnPtr(const OwnPtr&) = default;
public:
template <typename... Args>
bool New(Args&&... arg) {
if (fCls) {
return false;
}
fCls = new T(arg...);
return fCls;
}
void Reset() {
if (fCls) delete fCls;
fCls = nullptr;
}
T* operator->() const { return fCls; }
T* Raw() { return fCls; }
Ref<T> AsRef() { return Ref<T>(fCls); }
explicit operator bool() { return fCls; }
private:
T* fCls{nullptr};
};
template <typename T>
using OwnOr = ErrorOr<OwnPtr<T>>;
template <typename T, typename... Args>
inline OwnPtr<T> make_ptr(Args&&... args) {
OwnPtr<T> ret;
ret.template New<Args...>(forward(args)...);
return ret;
}
} // namespace Kernel
#endif
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