TAO/tao/DynamicAny/DynAnyUtils_T.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file    DynAnyUtils_T.h
   6  *
   7  *  Declaration of templatized common code used in Dynamic Any
   8  *
   9  *  @author Jeff Parsons <j.parsons@vanderbilt.edu>
  10  */
  11 //=============================================================================
  12
  13 #ifndef TAO_DYNANYUTILS_T_H
  14 #define TAO_DYNANYUTILS_T_H
  15
  16 #include /**/ "ace/pre.h"
  17
  18 #include "tao/DynamicAny/DynamicAny.h"
  19
  20 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  21 # pragma once
  22 #endif /* ACE_LACKS_PRAGMA_ONCE */
  23
  24 #include "tao/AnyTypeCode/BasicTypeTraits.h"
  25
  26 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
  27
  28 class TAO_DynCommon;
  29
  30 namespace TAO
  31 {
  32   // Encapsulates common code for inserting and extracting basic
  33   // types, parameterized on the basic type.
  34   template<typename T>
  35   struct DynAnyBasicTypeUtils
  36   {
  37     static void
  38     insert_value (const T &val,
  39                   TAO_DynCommon *the_dynany);
  40
  41     static typename BasicTypeTraits<T>::return_type
  42     get_value (TAO_DynCommon *the_dynany);
  43   };
  44
  45   // Encapsulates code that would otherwise be repeated in
  46   // TAO_DynCommon::set_flag(). Parameterized on the type
  47   // of dynany impl class that underlies the DynAny arg.
  48   template<typename T>
  49   struct DynAnyFlagUtils
  50   {
  51     static void
  52     set_flag_t (DynamicAny::DynAny_ptr component,
  53                 CORBA::Boolean destroying);
  54   };
  55
  56   // Used by MakeDynAnyUtils below, parameterized on the type of
  57   // impl class and on {Any | TypeCode | inputCDR}.
  58   template<typename DA_IMPL, typename ANY_TC>
  59   struct CreateDynAnyUtils
  60   {
  61     static DynamicAny::DynAny_ptr
  62       create_dyn_any_t (
  63         ANY_TC any_tc,
  64         CORBA::Boolean allow_truncation= true);
  65
  66     static DynamicAny::DynAny_ptr
  67       create_dyn_any_t (
  68         CORBA::TypeCode_ptr tc,
  69         ANY_TC any_tc,
  70         CORBA::Boolean allow_truncation= true);
  71   };
  72
  73   // Code common to DynAnyFactory create_* calls, parameterized on
  74   // {Any | TypeCode | inputCDR}.
  75   namespace MakeDynAnyUtils
  76   {
  77     template<typename ANY_TC>
  78     DynamicAny::DynAny_ptr
  79       make_dyn_any_t (
  80         CORBA::TypeCode_ptr tc,
  81         ANY_TC any_tc,
  82         CORBA::Boolean allow_truncation= true);
  83   }
  84 }
  85
  86 TAO_END_VERSIONED_NAMESPACE_DECL
  87
  88 #if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
  89 #include "tao/DynamicAny/DynAnyUtils_T.cpp"
  90 #endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
  91
  92 #if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
  93 #pragma implementation ("tao/DynamicAny/DynAnyUtils_T.cpp")
  94 #endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
  95
  96 #include /**/ "ace/post.h"
  97
  98 #endif /* TAO_DYNANYUTILS_T_H */