Source/Pointer.h

   1 // Pointer.h: interface for the Pointer class.
   2 //
   3 //////////////////////////////////////////////////////////////////////
   4
   5 #ifndef _POINTER_H
   6 #define _POINTER_H
   7
   8 template <class T>
   9 class Pointer
  10 {
  11 private:
  12         void Destroy()
  13         {
  14                 p = NULL;
  15                 GC::Collect();
  16         }
  17
  18 public:
  19     T* p;
  20
  21     Pointer( T* p_ = NULL ) : p( p_ )
  22         {
  23         }
  24
  25     ~Pointer()
  26         {
  27                 GC::SetTotalBytesAllocated( GC::GetTotalBytesAllocated() - sizeof( *p ) );
  28
  29                 p->~T(); // Explicitely call the destructor
  30
  31                 Destroy();
  32
  33         }
  34
  35     Pointer& operator = ( Pointer<T>& p_ )
  36         {
  37                 return operator = ( ( T* ) p_);
  38         }
  39
  40         Pointer& operator = ( T* p_ )
  41         {
  42                 Destroy();
  43                 p = p_;
  44                 return *this;
  45     }
  46
  47     operator T*()
  48         {
  49                 return p;
  50         }
  51
  52         T& operator*()
  53         {
  54                 return *p;
  55         }
  56
  57         T* operator->()
  58         {
  59                 return p;
  60         }
  61
  62 // For automatic type conversion during new call
  63         operator void**()
  64         {
  65                 return ( void** ) & p;
  66         }
  67 };
  68
  69
  70 #endif
  71