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#ifndef __JIN_COMMON_SHARED_H
#define __JIN_COMMON_SHARED_H
namespace JinEngine
{
namespace Lua
{
class SharedBase
{
public:
void retain()
{
++count;
}
void release()
{
if (--count <= 0)
delete this;
}
// Object type string.
const char* const type;
void setUserdata(void* data)
{
userdata = data;
}
void* getUserdata()
{
return userdata;
}
protected:
SharedBase(void* obj, const char* t)
: count(1)
, object(obj)
, type(t)
{
}
SharedBase(const SharedBase&);
virtual ~SharedBase()
{
}
void* object;
int count;
void* userdata;
};
template<class T>
class Shared : public SharedBase
{
public:
Shared(T* obj, const char* type)
: SharedBase(obj, type)
{
}
T* operator->()
{
return static_cast<T*>(object);
}
T* getObject()
{
return static_cast<T*>(object);
}
private:
// Disable copy constructor.
Shared(const Shared<T>& shared);
// Make shared only be able created with new.
~Shared()
{
T* obj = static_cast<T*>(object);
delete obj;
}
};
} // namespace Lua
} // namespace JinEngine
#endif
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