prime/include/Kyoto/IObj.hpp

44 lines
1.2 KiB
C++

#ifndef _IOBJ_HPP
#define _IOBJ_HPP
#include "types.h"
#include "rstl/auto_ptr.hpp"
class IObj {
public:
virtual ~IObj() {}
};
class CObjOwnerDerivedFromIObjUntyped : public IObj {
public:
template < typename T >
CObjOwnerDerivedFromIObjUntyped(T* obj) : m_objPtr(obj) {}
template < typename T >
CObjOwnerDerivedFromIObjUntyped(const rstl::auto_ptr< T >& obj) : m_objPtr(obj.release()) {}
void* GetContents() { return m_objPtr; }
protected:
void* m_objPtr;
};
template < typename T >
class TObjOwnerDerivedFromIObj : public CObjOwnerDerivedFromIObjUntyped {
public:
~TObjOwnerDerivedFromIObj() override { delete Owned(); }
T* Owned() { return static_cast< T* >(m_objPtr); }
static inline rstl::auto_ptr< TObjOwnerDerivedFromIObj< T > > GetNewDerivedObject(T* obj) {
return new TObjOwnerDerivedFromIObj< T >(obj);
}
static inline rstl::auto_ptr< TObjOwnerDerivedFromIObj< T > > GetNewDerivedObject(const rstl::auto_ptr< T >& obj) {
return new TObjOwnerDerivedFromIObj< T >(obj);
}
private:
TObjOwnerDerivedFromIObj(T* obj) : CObjOwnerDerivedFromIObjUntyped(obj) {}
TObjOwnerDerivedFromIObj(const rstl::auto_ptr< T >& obj) : CObjOwnerDerivedFromIObjUntyped(obj) {}
};
#endif