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// -*- C++ -*-
//=============================================================================
/**
* @file TypeCode_Traits.h
*
* $Id$
*
* @author Ossama Othman <ossama@dre.vanderbilt.edu>
*/
//=============================================================================
#ifndef TAO_TYPECODE_TRAITS_H
#define TAO_TYPECODE_TRAITS_H
#include /**/ "ace/pre.h"
#include "tao/CORBA_String.h"
#include "tao/AnyTypeCode/TypeCode.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace TAO
{
class Null_RefCount_Policy;
class True_RefCount_Policy;
namespace TypeCode
{
// enum Storage { STATIC_TYPECODE, DYNAMIC_TYPECODE };
// template<Storage S> struct Traits;
// ----
// @@ Work around limitations in MSVC++ 6.
typedef char const * STATIC_TYPECODE;
typedef CORBA::String_var DYNAMIC_TYPECODE;
template<typename S> struct Traits;
// ----
template<>
struct Traits<STATIC_TYPECODE>
{
typedef char const * string_type;
/**
* A pointer to the @c CORBA::TypeCode_ptr rather than the
* @c CORBA::TypeCode_ptr itself is stored since that address is
* well-defined. We may not know the value of the
* @c CORBA::TypeCode_ptr when creating a static object that
* refers to it, hence the indirection.
*/
typedef CORBA::TypeCode_ptr const * typecode_type;
typedef TAO::Null_RefCount_Policy refcount_policy_type;
static char const * get_string (string_type const & str)
{
return str;
}
static CORBA::TypeCode_ptr get_typecode (typecode_type const & tc)
{
return (tc == 0 ? CORBA::TypeCode::_nil () : *tc);
}
};
template<>
struct Traits<DYNAMIC_TYPECODE>
{
typedef CORBA::String_var string_type;
typedef CORBA::TypeCode_var typecode_type;
typedef TAO::True_RefCount_Policy refcount_policy_type;
static char const * get_string (string_type const & str)
{
return str.in ();
}
static CORBA::TypeCode_ptr get_typecode (typecode_type const & tc)
{
return tc.in ();
}
};
// ---------------
// Traits based on TypeCode type template parameters.
template<>
struct Traits<Traits<STATIC_TYPECODE>::typecode_type>
{
typedef Traits<STATIC_TYPECODE>::typecode_type typecode_type;
static CORBA::TypeCode_ptr get_typecode (typecode_type const & tc)
{
return (tc == 0 ? CORBA::TypeCode::_nil () : *tc);
}
};
template<>
struct Traits<Traits<DYNAMIC_TYPECODE>::typecode_type>
{
typedef Traits<DYNAMIC_TYPECODE>::typecode_type typecode_type;
static CORBA::TypeCode_ptr get_typecode (typecode_type const & tc)
{
return tc.in ();
}
};
} // End namespace TypeCode
} // End namespace TAO
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_TYPECODE_TRAITS_H */
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