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// -*- C++ -*-
//=============================================================================
/**
* @file VarOut_T.h
*
* $Id$
*
* @author Jeff Parsons
*/
//=============================================================================
#ifndef TAO_VAROUT_T_H
#define TAO_VAROUT_T_H
#include /**/ "ace/pre.h"
#include "ace/OS_Memory.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class TAO_Var_Base_T
*
* @brief Parametrized implementation of _var base class for structs,
* unions and exceptions.
*
*/
template<typename T>
class TAO_Var_Base_T
{
public:
TAO_Var_Base_T (void);
TAO_Var_Base_T (T *);
TAO_Var_Base_T (const TAO_Var_Base_T<T> &);
~TAO_Var_Base_T (void);
T * operator-> (void);
const T * operator-> (void) const;
typedef const T & _in_type;
typedef T & _inout_type;
// Common mapping for fixed and variable size types.
_in_type in (void) const;
_inout_type inout (void);
// TAO extension.
T * ptr (void) const;
protected:
T * ptr_;
};
/**
* @class TAO_Fixed_Var_T
*
* @brief Parametrized implementation of _var class for structs, unions,
* and exceptions with members of fixed size.
*
*/
template<typename T>
class TAO_Fixed_Var_T : public TAO_Var_Base_T<T>
{
public:
TAO_Fixed_Var_T (void);
TAO_Fixed_Var_T (T *);
TAO_Fixed_Var_T (const TAO_Fixed_Var_T<T> &);
// Fixed-size types only.
TAO_Fixed_Var_T (const T &);
TAO_Fixed_Var_T & operator= (T *);
TAO_Fixed_Var_T & operator= (const TAO_Fixed_Var_T<T> &);
// Fixed-size types only.
TAO_Fixed_Var_T & operator= (const T &);
operator const T & () const;
operator T & ();
operator T & () const;
typedef T & _out_type;
typedef T _retn_type;
// Mapping for fixed size types.
_out_type out (void);
_retn_type _retn (void);
};
/**
* @class TAO_Var_Var_T
*
* @brief Parametrized implementation of _var class for structs, unions,
* and exceptions with members of variable size.
*
*/
template<typename T>
class TAO_Var_Var_T : public TAO_Var_Base_T<T>
{
public:
TAO_Var_Var_T (void);
TAO_Var_Var_T (T *);
TAO_Var_Var_T (const TAO_Var_Var_T<T> &);
TAO_Var_Var_T & operator= (T *);
TAO_Var_Var_T & operator= (const TAO_Var_Var_T<T> &);
// Variable size types only.
operator T *& ();
operator const T & () const;
operator T & ();
operator T & () const;
typedef T *& _out_type;
typedef T * _retn_type;
// Mapping for variable size types.
_out_type out (void);
_retn_type _retn (void);
};
/**
* @class TAO_Out_T
*
* @brief Parametrized implementation of _out class for structs, unions
* and exceptions..
*
*/
template<typename T>
class TAO_Out_T
{
public:
typedef typename T::_var_type T_var;
TAO_Out_T (T *&);
TAO_Out_T (T_var &);
TAO_Out_T (const TAO_Out_T<T> &);
TAO_Out_T &operator= (const TAO_Out_T<T> &);
TAO_Out_T &operator= (T *);
operator T *& ();
T *& ptr (void);
T * operator-> (void);
private:
T *& ptr_;
/// Assignment from T_var not allowed.
void operator= (const T_var &);
};
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "tao/VarOut_T.inl"
#endif /* __ACE_INLINE__ */
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "tao/VarOut_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("VarOut_T.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#include /**/ "ace/post.h"
#endif /* TAO_VAROUT_T_H */
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