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#ifndef SPTR_H
#define SPTR_H
#include <stdint.h>
#include <stdio.h>
template<typename T>
class SPtr
{
public:
SPtr() :
pRefCnt( NULL ),
pData( NULL )
{
}
~SPtr()
{
decCount();
}
SPtr( const SPtr<T> &src ) :
pRefCnt( src.pRefCnt ),
pData( src.pData )
{
(*pRefCnt) += 1;
}
SPtr( T *pSrc ) :
pRefCnt( NULL ),
pData( pSrc )
{
pRefCnt = new int32_t;
(*pRefCnt) = 1;
}
int32_t count()
{
return *pRefCnt;
}
T *operator->() const
{
return pData;
}
T *operator*() const
{
return pData;
}
SPtr<T> operator=( const SPtr<T> &src )
{
decCount();
pRefCnt = src.pRefCnt;
pData = src.pData;
(*pRefCnt) += 1;
return *this;
}
bool operator==( const SPtr<T> &src )
{
return pData == src.pData;
}
operator bool()
{
return pRefCnt != NULL;
}
bool isSet()
{
return pRefCnt != NULL;
}
private:
void decCount()
{
if( pRefCnt )
{
(*pRefCnt) -= 1;
if( (*pRefCnt) == 0 )
{
delete pRefCnt;
delete pData;
pRefCnt = NULL;
pData = NULL;
}
}
}
int32_t *pRefCnt;
T *pData;
};
#endif
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