include/ext/pointer.h

29  * Provides reusable _Pointer_adapter for assisting in the development of
47    * @brief A storage policy for use with _Pointer_adapter<> which yields a
88    * @brief A storage policy for use with _Pointer_adapter<> which stores
203    * _Pointer_adapter for cases of void*, const void*, and so on.
275    * _Tp*             == _Pointer_adapter<_Std_pointer_impl<_Tp> >;
276    * const _Tp*       == _Pointer_adapter<_Std_pointer_impl<const _Tp> >;
277    * _Tp* const       == const _Pointer_adapter<_Std_pointer_impl<_Tp> >;
278    * const _Tp* const == const _Pointer_adapter<_Std_pointer_impl<const _Tp> >;
281     class _Pointer_adapter : public _Storage_policy
290       typedef _Pointer_adapter                               pointer;
298       _Pointer_adapter(element_type* __arg = 0)
301       // Copy constructor from _Pointer_adapter of same type.
302       _Pointer_adapter(const _Pointer_adapter& __arg)
307         _Pointer_adapter(_Up* __arg)
310       // Conversion from another _Pointer_adapter if _Up if static cast is
313         _Pointer_adapter(const _Pointer_adapter<_Up>& __arg)
317       ~_Pointer_adapter() { }
320       _Pointer_adapter&
321       operator=(const _Pointer_adapter& __arg)
328         _Pointer_adapter&
329         operator=(const _Pointer_adapter<_Up>& __arg)
336         _Pointer_adapter&
360       typedef element_type*(_Pointer_adapter::*__unspecified_bool_type)() const;
366                          &_Pointer_adapter::operator->;
376       operator-(const _Pointer_adapter& __lhs, element_type* __rhs)
380       operator-(element_type* __lhs, const _Pointer_adapter& __rhs)
385         operator-(const _Pointer_adapter& __lhs, _Up* __rhs)
390         operator-(_Up* __lhs, const _Pointer_adapter& __rhs)
395         operator-(const _Pointer_adapter<_Up>& __rhs) const
402       // tends to "steal" the recognition of _Pointer_adapter's own operator+
406       inline friend _Pointer_adapter \
407       operator+(const _Pointer_adapter& __lhs, INT_TYPE __offset) \
408       { return _Pointer_adapter(__lhs.get() + __offset); } \
410       inline friend _Pointer_adapter \
411       operator+(INT_TYPE __offset, const _Pointer_adapter& __rhs) \
412       { return _Pointer_adapter(__rhs.get() + __offset); } \
414       inline friend _Pointer_adapter \
415       operator-(const _Pointer_adapter& __lhs, INT_TYPE __offset) \
416       { return _Pointer_adapter(__lhs.get() - __offset); } \
418       inline _Pointer_adapter& \
425       inline _Pointer_adapter& \
442       inline _Pointer_adapter&
449       inline _Pointer_adapter
452         _Pointer_adapter tmp(*this);
457       inline _Pointer_adapter&
464       inline _Pointer_adapter
467         _Pointer_adapter tmp(*this);
472     }; // class _Pointer_adapter
478     operator OPERATOR(const _Pointer_adapter<_Tp1>& __lhs, _Tp2 __rhs) \
483     operator OPERATOR(_Tp1 __lhs, const _Pointer_adapter<_Tp2>& __rhs) \
488     operator OPERATOR(const _Pointer_adapter<_Tp1>& __lhs, \
489                               const _Pointer_adapter<_Tp2>& __rhs) \
505     operator==(const _Pointer_adapter<_Tp>& __lhs, int __rhs)
510     operator==(int __lhs, const _Pointer_adapter<_Tp>& __rhs)
515     operator!=(const _Pointer_adapter<_Tp>& __lhs, int __rhs)
520     operator!=(int __lhs, const _Pointer_adapter<_Tp>& __rhs)
524    * Comparison operators for _Pointer_adapter defer to the base class'es
529     operator==(const _Pointer_adapter<_Tp>& __lhs,
530                const _Pointer_adapter<_Tp>& __rhs)
535     operator<=(const _Pointer_adapter<_Tp>& __lhs,
536                const _Pointer_adapter<_Tp>& __rhs)
541     operator!=(const _Pointer_adapter<_Tp>& __lhs,
542                const _Pointer_adapter<_Tp>& __rhs)
547     operator>(const _Pointer_adapter<_Tp>& __lhs,
548               const _Pointer_adapter<_Tp>& __rhs)
553     operator>=(const _Pointer_adapter<_Tp>& __lhs,
554                const _Pointer_adapter<_Tp>& __rhs)
560                const _Pointer_adapter<_StoreT>& __p)