Panda3D
Public Types | Public Member Functions | Protected Member Functions | Protected Attributes

PointerTo< T > Class Template Reference

PointerTo is a template class which implements a smart pointer to an object derived from ReferenceCount. More...

#include "pointerTo.h"

Inheritance diagram for PointerTo< T >:
PointerToBase< T > PointerToVoid MemoryBase

List of all members.

Public Types

typedef PointerToBase< T >::To To

Public Member Functions

 PointerTo (To *ptr=(To *) NULL)
 PointerTo (const PointerTo< T > &copy)
void clear ()
 A convenient way to set the PointerTo object to NULL.
size_t get_hash () const
bool is_null () const
 Returns true if the PointerTo is a NULL pointer, false otherwise.
void operator delete (void *ptr)
void operator delete (void *ptr, void *)
void operator delete[] (void *, void *)
void operator delete[] (void *ptr)
void * operator new (size_t size)
void * operator new (size_t size, void *ptr)
void * operator new[] (size_t size, void *ptr)
void * operator new[] (size_t size)
 operator T * () const
 We also have the typecast operator to automatically convert PointerTo's to the required kind of actual pointer.
bool operator!= (const PointerToVoid &other) const
To & operator* () const
To * operator-> () const
bool operator< (const PointerToVoid &other) const
bool operator< (const void *other) const
PointerTo< T > & operator= (const PointerTo< T > &copy)
PointerTo< T > & operator= (To *ptr)
bool operator== (const PointerToVoid &other) const
void output (ostream &out) const
 A handy function to output PointerTo's as a hex pointer followed by a reference count.
To * p () const
 Returns an ordinary pointer instead of a PointerTo.

Protected Member Functions

void reassign (To *ptr)
 This is the main work of the PointerTo family.
void reassign (const PointerToBase< To > &copy)

Protected Attributes

void * _void_ptr

Detailed Description

template<class T>
class PointerTo< T >

PointerTo is a template class which implements a smart pointer to an object derived from ReferenceCount.

Definition at line 79 of file pointerTo.h.


Member Function Documentation

template<class T>
void PointerTo< T >::clear ( ) [inline]

A convenient way to set the PointerTo object to NULL.

(Assignment to a NULL pointer also works, of course.)

Reimplemented from PointerToBase< T >.

Definition at line 117 of file pointerTo.h.

template<class T>
bool PointerTo< T >::is_null ( ) const [inline]

Returns true if the PointerTo is a NULL pointer, false otherwise.

(Direct comparison to a NULL pointer also works.)

Reimplemented from PointerToVoid.

Definition at line 116 of file pointerTo.h.

template<class T >
PointerTo< T >::operator T * ( ) const [inline]

We also have the typecast operator to automatically convert PointerTo's to the required kind of actual pointer.

This introduces ambiguities which the compiler will resolve one way or the other, but we don't care which way it goes because either will be correct.

Definition at line 82 of file pointerTo.I.

template<class T >
void PointerToBase< T >::output ( ostream &  out) const [inline, inherited]

A handy function to output PointerTo's as a hex pointer followed by a reference count.

Definition at line 138 of file pointerToBase.I.

template<class T >
PointerTo< T >::To * PointerTo< T >::p ( ) const [inline]

Returns an ordinary pointer instead of a PointerTo.

Useful to work around compiler problems, particularly for implicit upcasts.

Definition at line 95 of file pointerTo.I.

template<class T >
void PointerToBase< T >::reassign ( To *  ptr) [inline, protected, inherited]

This is the main work of the PointerTo family.

When the pointer is reassigned, decrement the old reference count and increment the new one.

Definition at line 58 of file pointerToBase.I.


The documentation for this class was generated from the following files:
 All Classes Functions Variables Enumerations