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Provide an easier/safer way to manage hsRefCnt subclasses

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This commit is contained in:
Michael Hansen
2014-04-09 00:20:16 -07:00
parent 7a3ac456a2
commit aa2a1de5d0
2 changed files with 99 additions and 126 deletions
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56
Sources/Plasma/CoreLib/hsRefCnt.h
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@ -87,4 +87,60 @@ public:
void TransferRef(const char* oldTag, const char* newTag);
};
template <class _Ref>
class hsRef
{
public:
hsRef() : fObj(nullptr) { }
hsRef(nullptr_t) : fObj(nullptr) { }
hsRef(_Ref *obj) : fObj(obj) { if (fObj) fObj->Ref(); }
hsRef(const hsRef<_Ref> &copy) : fObj(copy.fObj) { if (fObj) fObj->Ref(); }
hsRef(hsRef<_Ref> &&move) : fObj(move.fObj) { move.fObj = nullptr; }
~hsRef() { if (fObj) fObj->UnRef(); }
hsRef<_Ref> &operator=(_Ref *obj)
{
if (obj)
obj->Ref();
if (fObj)
fObj->UnRef();
fObj = obj;
return *this;
}
hsRef<_Ref> &operator=(const hsRef<_Ref> &copy) { return operator=(copy.fObj); }
hsRef<_Ref> &operator=(hsRef<_Ref> &&move)
{
if (fObj)
fObj->UnRef();
fObj = move.fObj;
move.fObj = nullptr;
return *this;
}
hsRef<_Ref> &operator=(nullptr_t)
{
if (fObj)
fObj->UnRef();
fObj = nullptr;
}
bool operator==(const hsRef<_Ref> &other) const { return fObj == other.fObj; }
bool operator!=(const hsRef<_Ref> &other) const { return fObj != other.fObj; }
bool operator> (const hsRef<_Ref> &other) const { return fObj > other.fObj; }
bool operator< (const hsRef<_Ref> &other) const { return fObj < other.fObj; }
bool operator>=(const hsRef<_Ref> &other) const { return fObj >= other.fObj; }
bool operator<=(const hsRef<_Ref> &other) const { return fObj <= other.fObj; }
bool operator==(_Ref *other) const { return fObj == other; }
bool operator!=(_Ref *other) const { return fObj != other; }
_Ref &operator*() const { return *fObj; }
_Ref *const operator->() const { return fObj; }
operator _Ref *const() const { return fObj; }
private:
_Ref *fObj;
};
#endif