src/ozulis/core/ref-counted-object.hh

   1 #ifndef OZULIS_CORE_REF_COUNTED_OBJECT_HH
   2 # define OZULIS_CORE_REF_COUNTED_OBJECT_HH
   3
   4 # include <stdint.h>
   5
   6 namespace ozulis
   7 {
   8   namespace core
   9   {
  10     class RefCountedObject
  11     {
  12     public:
  13       inline RefCountedObject();
  14       virtual ~RefCountedObject();
  15
  16       inline uint32_t refCount() const;
  17       void use();
  18       void release();
  19
  20       template <class T>
  21       class Ptr
  22       {
  23       public:
  24         typedef T * ptr_t;
  25
  26         inline Ptr();
  27         template <class V>
  28         inline Ptr(const Ptr<V> &);
  29         inline Ptr(const Ptr<T> &);
  30         inline Ptr(T * ptr);
  31         inline ~Ptr();
  32
  33         inline T & operator*();
  34         inline const T & operator*() const;
  35
  36         inline T * operator->();
  37         inline const T * operator->() const;
  38
  39         inline void operator=(T const * ptr);
  40         template <class V>
  41         inline void operator=(V * ptr);
  42         template <class V>
  43         inline void operator=(Ptr<V> const & ptr);
  44         inline void operator=(Ptr<T> const & ptr);
  45
  46         inline operator T *();
  47         inline operator const T *() const;
  48         inline operator bool() const;
  49         template <class V>
  50         inline operator Ptr<V> ();
  51
  52         inline T * ptr();
  53         inline const T * ptr() const;
  54
  55       private:
  56         T * ptr_;
  57       };
  58
  59     private:
  60       int32_t refCount_;
  61     };
  62   }
  63 }
  64
  65 # include "ref-counted-object.hxx"
  66
  67 #endif /* !OZULIS_CORE_REF_COUNTED_OBJECT_HH */