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/* -*- C++ -*- */
//=============================================================================
/**
* @file Auto_Ptr.h
*
* $Id$
*
* @author Doug Schmidt <schmidt@uci.edu>
* @author Irfan Pyarali <irfan@cs.wustl.edu>
* @author Jack Reeves <jack@fx.com>
* @author Dr. Harald M. Mueller <mueller@garwein.hai.siemens.co.at>
*/
//=============================================================================
#ifndef ACE_AUTO_PTR_H
#define ACE_AUTO_PTR_H
#include "ace/pre.h"
#include "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Trace.h"
/**
* @class ACE_Auto_Basic_Ptr
*
* @brief Implements the draft C++ standard auto_ptr abstraction.
* This class allows one to work on non-object (basic) types
*/
template <class X>
class ACE_Auto_Basic_Ptr
{
public:
// = Initialization and termination methods
ACE_EXPLICIT ACE_Auto_Basic_Ptr (X *p = 0) : p_ (p) {}
ACE_Auto_Basic_Ptr (ACE_Auto_Basic_Ptr<X> &ap);
ACE_Auto_Basic_Ptr<X> &operator= (ACE_Auto_Basic_Ptr<X> &rhs);
~ACE_Auto_Basic_Ptr (void);
// = Accessor methods.
X &operator *() const;
X *get (void) const;
X *release (void);
void reset (X *p = 0);
/// Dump the state of an object.
void dump (void) const;
/// Declare the dynamic allocation hooks.
ACE_ALLOC_HOOK_DECLARE;
protected:
X *p_;
};
#if !defined (ACE_LACKS_AUTO_PTR) && \
defined (ACE_HAS_STANDARD_CPP_LIBRARY) && \
(ACE_HAS_STANDARD_CPP_LIBRARY != 0)
#include <memory>
#if defined (ACE_USES_STD_NAMESPACE_FOR_STDCPP_LIB) && \
(ACE_USES_STD_NAMESPACE_FOR_STDCPP_LIB != 0)
using std::auto_ptr;
#endif /* ACE_USES_STD_NAMESPACE_FOR_STDCPP_LIB */
#else /* ACE_HAS_STANDARD_CPP_LIBRARY */
/**
* @class auto_ptr
*
* @brief Implements the draft C++ standard auto_ptr abstraction.
*/
template <class X>
class auto_ptr : public ACE_Auto_Basic_Ptr <X>
{
public:
// = Initialization and termination methods
ACE_EXPLICIT auto_ptr (X *p = 0) : ACE_Auto_Basic_Ptr<X> (p) {}
X *operator-> () const;
};
#endif /* ACE_HAS_STANDARD_CPP_LIBRARY */
/**
* @class ACE_Auto_Basic_Array_Ptr
*
* @brief Implements an extension to the draft C++ standard auto_ptr
* abstraction. This class allows one to work on non-object
* (basic) types that must be treated as an array, e.g.,
* deallocated via "delete [] foo".
*/
template<class X>
class ACE_Auto_Basic_Array_Ptr
{
public:
// = Initialization and termination methods.
ACE_EXPLICIT ACE_Auto_Basic_Array_Ptr (X *p = 0) : p_ (p) {}
ACE_Auto_Basic_Array_Ptr (ACE_Auto_Basic_Array_Ptr<X> &ap);
ACE_Auto_Basic_Array_Ptr<X> &operator= (ACE_Auto_Basic_Array_Ptr<X> &rhs);
~ACE_Auto_Basic_Array_Ptr (void);
// = Accessor methods.
X &operator* () const;
X &operator[] (int i) const;
X *get (void) const;
X *release (void);
void reset (X *p = 0);
/// Dump the state of an object.
void dump (void) const;
/// Declare the dynamic allocation hooks.
ACE_ALLOC_HOOK_DECLARE;
protected:
X *p_;
};
/**
* @class ACE_Auto_Array_Ptr
*
* @brief Implements an extension to the draft C++ standard auto_ptr
* abstraction.
*/
template<class X>
class ACE_Auto_Array_Ptr : public ACE_Auto_Basic_Array_Ptr<X>
{
public:
// = Initialization and termination methods.
ACE_EXPLICIT ACE_Auto_Array_Ptr (X *p = 0)
: ACE_Auto_Basic_Array_Ptr<X> (p) {}
X *operator-> () const;
};
// Some platforms have an older version of auto_ptr
// support, which lacks reset, and cannot be disabled
// easily. Portability to these platforms requires
// use of the following ACE_AUTO_PTR_RESET macro.
# if defined (ACE_AUTO_PTR_LACKS_RESET)
# define ACE_AUTO_PTR_RESET(X,Y,Z) \
do { \
if (Y != X.get ()) \
{ \
X.release (); \
X = auto_ptr<Z> (Y); \
} \
} while (0)
# else /* ! ACE_AUTO_PTR_LACKS_RESET */
# define ACE_AUTO_PTR_RESET(X,Y,Z) \
do { \
X.reset (Y); \
} while (0)
# endif /* ACE_AUTO_PTR_LACKS_RESET */
#if defined (__ACE_INLINE__)
#include "ace/Auto_Ptr.i"
#endif /* __ACE_INLINE__ */
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "ace/Auto_Ptr.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Auto_Ptr.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#include "ace/post.h"
#endif /* ACE_AUTO_PTR_H */
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