Ptr and Pte
Ptr and Pte class templates provide a smart pointer system that cleared (assigned NULL) when pointed object is destructed. That makes it useful in situations where life-time of object cannot be precisely determined.
While Ptr class template provides smart pointers, Pte is the class which adds necessary functionality to pointed objects. Ptr could only point to objects of Pte-derived type. So to make a class "Ptr-able" you should add Pte as one of class bases, with the derived class as its parameter, e.g.:
struct Foo : Pte<Foo> {....
Pte
template <class T>
class Pte : public PteBase
This template class implements the functionality needed in the pointed object.
T Type of pointed object.
Derived from PteBase
Ptr
template <class T>
class Ptr : public PtrBase, private Moveable< Ptr<T> >
Type specific pointer.
T Type of pointed object. T class must be derived from Pte<T>.
Derived from PtrBase
Constructor Detail
Ptr()
Default constructor.
Ptr(T *ptr)
Constructs Ptr pointing to specified object ptr.
Ptr(const Ptr& ptr)
Constructs Ptr pointing to the same object as other Ptr ptr.
Public Method List
T *operator->() const
Returns a C++ pointer to pointed object or NULL if Ptr does not point to any object.
T *operator~() const
Returns a C++ pointer to pointed object or NULL if Ptr does not point to any object.
operator T*() const
Returns a C++ pointer to pointed object or NULL if Ptr does not point to any object.
Ptr& operator=(T *ptr)
Assigns new pointer. Returns *this.
Ptr& operator=(const Ptr& ptr)
Assigns other Ptr. Returns *this.
String ToString() const
Converts all information to string for diagnostic purposes
Global Operators
friend bool operator==(const Ptr& a, const T *b)
friend bool operator==(const T *a, const Ptr& b)
friend bool operator==(const Ptr& a, const Ptr& b)
friend bool operator==(const Ptr& a, T *b)
friend bool operator==(T *a, const Ptr& b)
friend bool operator!=(const Ptr& a, const T *b)
friend bool operator!=(const T *a, const Ptr& b)
friend bool operator!=(const Ptr& a, const Ptr& b)
Comparison operators.
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