request_info_result.cpp

来自「这是广泛使用的通信开源项目,对于大容量,高并发的通讯要求完全能够胜任,他广泛可用」· C++ 代码 · 共 296 行

//
// request_info_result.cpp,v 1.8 2002/09/25 16:25:35 parsons Exp
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    request_info_result.cpp
//
// = DESCRIPTION
//    Visitor that generates the Dyanmic::ParameterList
//
// = AUTHOR
//    Kirthika Parameswaran  <[e-mail]>
//
// ============================================================================

ACE_RCSID (be_visitor_argument, 
           request_info_result, 
           "request_info_result.cpp,v 1.8 2002/09/25 16:25:35 parsons Exp")


// ************************************************************
// be_visitor_args_request_info_result for generating the result as
// stored in the request info for interceptors
// ************************************************************

be_visitor_args_request_info_result::be_visitor_args_request_info_result (
    be_visitor_context *ctx
  )
  : be_visitor_args (ctx)
{
}

be_visitor_args_request_info_result::~be_visitor_args_request_info_result (
    void
  )
{
}

int be_visitor_args_request_info_result::visit_argument (be_argument *node)
{
  TAO_OutStream *os = this->ctx_->stream ();
  this->ctx_->node (node);

  os->indent ();
  be_type *bt = be_type::narrow_from_decl (node->field_type ());

  if (!bt)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "be_visitor_args_::"
                         "visit_argument - "
                         "Bad return type\n"),
                        -1);
    }

    if (bt->accept (this) == -1)
      {
        ACE_ERROR_RETURN ((LM_ERROR,
                           "be_visitor_args_vardecl_ss::"
                           "visit_argument - "
                           "cannot accept visitor\n"),
                          -1);
      }

  *os << be_nl;

  // Set the appropriate mode for each parameter.
  return 0;
}

int be_visitor_args_request_info_result::visit_array (be_array *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  be_type *bt;

  if (this->ctx_->alias ())
    {
      bt = this->ctx_->alias ();
    }
  else
    {
      bt = node;
    }

  os->indent ();

  *os << bt->name () <<  "_forany _tao_forany_result"
      << " (this->result_);" << be_nl
      << "this->result_val_ <<= _tao_forany_result;" << be_nl;

  return 0;
}

int be_visitor_args_request_info_result::visit_enum (be_enum *)
{
  TAO_OutStream *os = this->ctx_->stream ();

  os->indent ();
  *os << "this->result_val_ <<= this->result_;";

  return 0;
}

int be_visitor_args_request_info_result::visit_interface (be_interface *)
{
  TAO_OutStream *os = this->ctx_->stream ();

  os->indent ();
  *os << "this->result_val_ <<= this->result_;";

  return 0;
}

int be_visitor_args_request_info_result::visit_interface_fwd (
    be_interface_fwd *
  )
{
  TAO_OutStream *os = this->ctx_->stream ();

  os->indent ();
  *os << "this->result_val_ <<= this->result_;";

  return 0;
}

int be_visitor_args_request_info_result::visit_valuetype (be_valuetype *)
{
  TAO_OutStream *os = this->ctx_->stream ();

  os->indent ();
  *os << "this->result_val_ <<= this->result_;";

  return 0;
}

int be_visitor_args_request_info_result::visit_valuetype_fwd (
    be_valuetype_fwd *
  )
{
  TAO_OutStream *os = this->ctx_->stream ();

  os->indent ();
  *os << "this->result_val_ <<= this->result_;";

  return 0;
}

int
be_visitor_args_request_info_result::visit_predefined_type (
    be_predefined_type *node
  )
{
  TAO_OutStream *os = this->ctx_->stream ();
  os->indent ();

  *os << "this->result_val_ <<= ";

  switch (node->pt ())
    {
    case AST_PredefinedType::PT_boolean:
      *os << "CORBA::Any::from_boolean (this->result_);" << be_nl;

      break;
    case AST_PredefinedType::PT_char:
      *os << "CORBA::Any::from_char (this->result_);"<<be_nl;

      break;
    case AST_PredefinedType::PT_wchar:
      *os << "CORBA::Any::from_wchar (this->result_);"<<be_nl;

      break;
    case AST_PredefinedType::PT_octet:
      *os << "CORBA::Any::from_octet (this->result_);"<<be_nl;

      break;
    default:
      *os << "this->result_;"<<be_nl;

      break;
    }

  return 0;
}

int be_visitor_args_request_info_result::visit_sequence (be_sequence *)
{
  TAO_OutStream *os = this->ctx_->stream ();
  os->indent ();

  *os << "this->result_val_ <<= this->result_;";

  return 0;
}

int
be_visitor_args_request_info_result::visit_string (be_string *node)
{
  TAO_OutStream *os = this->ctx_->stream ();
  os->indent ();

  *os << "this->result_val_ <<= ";

  // We need to make a distinction between bounded and unbounded strings.
  if (node->max_size ()->ev ()->u.ulval != 0)
    {
      if (node->width () == (long) sizeof (char))
        {
          *os << "CORBA::Any::from_string ((char *)";
        }
      else
        {
          *os << "CORBA::Any::from_wstring ((CORBA::WChar *)";
        }

      *os <<"this->result_, "
          << node->max_size ()->ev ()->u.ulval
          << ");";
    }
  else
    {
      *os << "this->result_; ";
    }

  return 0;
}

int be_visitor_args_request_info_result::visit_structure (be_structure *)
{
  TAO_OutStream *os = this->ctx_->stream ();
  os->indent ();

  *os << "this->result_val_ <<= this->result_;";

  return 0;
}

int be_visitor_args_request_info_result::visit_union (be_union *)
{
  TAO_OutStream *os = this->ctx_->stream ();
  os->indent ();

  *os << "this->result_val_ <<= this->result_;";

  return 0;
}

int be_visitor_args_request_info_result::visit_typedef (be_typedef *)
{
  TAO_OutStream *os = this->ctx_->stream ();
  os->indent ();

  *os << "this->result_val_ <<= this->result_;";

  return 0;
}

int
be_visitor_args_request_info_result::visit_component (
    be_component *node
  )
{
  return this->visit_interface (node);
}

int
be_visitor_args_request_info_result::visit_component_fwd (
    be_component_fwd *node
  )
{
  return this->visit_interface_fwd (node);
}

int
be_visitor_args_request_info_result::visit_eventtype (
    be_eventtype *node
  )
{
  return this->visit_valuetype (node);
}

int
be_visitor_args_request_info_result::visit_eventtype_fwd (
    be_eventtype_fwd *node
  )
{
  return this->visit_valuetype_fwd (node);
}