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// $Id$
#ifndef TAO_STRUCT_TYPECODE_CPP
#define TAO_STRUCT_TYPECODE_CPP
#include "tao/AnyTypeCode/Struct_TypeCode.h"
#include "tao/AnyTypeCode/TypeCode_Struct_Field.h"
#include "tao/AnyTypeCode/TypeCode_Traits.h"
#include "tao/ORB_Core.h"
#include "tao/TypeCodeFactory_Adapter.h"
#include "tao/CDR.h"
#include "tao/SystemException.h"
#ifndef __ACE_INLINE__
# include "tao/AnyTypeCode/Struct_TypeCode.inl"
#endif /* !__ACE_INLINE__ */
#include "ace/Dynamic_Service.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
bool
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::tao_marshal (TAO_OutputCDR & cdr,
CORBA::ULong offset) const
{
// A tk_struct TypeCode has a "complex" parameter list type (see
// Table 15-2 in Section 15.3.5.1 "TypeCode" in the CDR section of
// the CORBA specification), meaning that it must be marshaled into
// a CDR encapsulation.
// Create a CDR encapsulation.
TAO_OutputCDR enc;
// Account for the encoded CDR encapsulation length and byte order.
//
// Aligning on an octet since the next value after the CDR
// encapsulation length will always be the byte order octet/boolean
// in this case.
offset = ACE_align_binary (offset + 4,
ACE_CDR::OCTET_ALIGN);
bool const success =
(enc << TAO_OutputCDR::from_boolean (TAO_ENCAP_BYTE_ORDER))
&& (enc << TAO_OutputCDR::from_string (this->base_attributes_.id (), 0))
&& (enc << TAO_OutputCDR::from_string (this->base_attributes_.name (), 0))
&& (enc << this->nfields_);
if (!success)
return false;
Struct_Field<StringType, TypeCodeType> const * const begin =
&this->fields_[0];
Struct_Field<StringType, TypeCodeType> const * const end =
begin + this->nfields_;
for (Struct_Field<StringType, TypeCodeType> const * i = begin; i != end; ++i)
{
Struct_Field<StringType, TypeCodeType> const & field = *i;
if (!(enc << TAO_OutputCDR::from_string (
Traits<StringType>::get_string (field.name), 0))
|| !marshal (enc,
Traits<StringType>::get_typecode (field.type),
offset + enc.total_length ()))
return false;
}
return
cdr << static_cast<CORBA::ULong> (enc.total_length ())
&& cdr.write_octet_array_mb (enc.begin ());
}
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
void
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::tao_duplicate (void)
{
this->RefCountPolicy::add_ref ();
}
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
void
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::tao_release (void)
{
this->RefCountPolicy::remove_ref ();
}
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
const FieldArrayType&
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::fields (void) const
{
return fields_;
}
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
CORBA::Boolean
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::equal_i (CORBA::TypeCode_ptr tc) const
{
// This call shouldn't throw since CORBA::TypeCode::equal() verified
// that the TCKind is the same as our's prior to invoking this
// method, meaning that member_count() is supported.
CORBA::ULong const tc_nfields =
tc->member_count ();
if (tc_nfields != this->nfields_)
return false;
for (CORBA::ULong i = 0; i < this->nfields_; ++i)
{
Struct_Field<StringType, TypeCodeType> const & lhs_field =
this->fields_[i];
char const * const lhs_name =
Traits<StringType>::get_string (lhs_field.name);
char const * const rhs_name = tc->member_name (i);
if (ACE_OS::strcmp (lhs_name, rhs_name) != 0)
return false;
CORBA::TypeCode_ptr const lhs_tc =
Traits<StringType>::get_typecode (lhs_field.type);
CORBA::TypeCode_var const rhs_tc =
tc->member_type (i);
CORBA::Boolean const equal_members =
lhs_tc->equal (rhs_tc.in ());
if (!equal_members)
return false;
}
return true;
}
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
CORBA::Boolean
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::equivalent_i (
CORBA::TypeCode_ptr tc) const
{
// Perform a structural comparison, excluding the name() and
// member_name() operations.
CORBA::ULong const tc_nfields =
tc->member_count ();
if (tc_nfields != this->nfields_)
return false;
for (CORBA::ULong i = 0; i < this->nfields_; ++i)
{
CORBA::TypeCode_ptr const lhs =
Traits<StringType>::get_typecode (this->fields_[i].type);
CORBA::TypeCode_var const rhs =
tc->member_type (i);
CORBA::Boolean const equiv_members =
lhs->equivalent (rhs.in ());
if (!equiv_members)
return false;
}
return true;
}
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
CORBA::TypeCode_ptr
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::get_compact_typecode_i (void) const
{
ACE_Array_Base<Struct_Field<CORBA::String_var,
CORBA::TypeCode_var> >
tc_fields (this->nfields_);
if (this->nfields_ > 0)
{
// Dynamically construct a new array of fields stripped of
// member names.
static char const empty_name[] = "";
for (CORBA::ULong i = 0; i < this->nfields_; ++i)
{
// Member names will be stripped, i.e. not embedded within
// the compact TypeCode.
tc_fields[i].name = empty_name;
tc_fields[i].type =
Traits<StringType>::get_typecode (
this->fields_[i].type)->get_compact_typecode ();
}
}
TAO_TypeCodeFactory_Adapter * const adapter =
ACE_Dynamic_Service<TAO_TypeCodeFactory_Adapter>::instance (
TAO_ORB_Core::typecodefactory_adapter_name ());
if (adapter == 0)
{
throw ::CORBA::INTERNAL ();
}
return
adapter->create_struct_except_tc (this->kind_,
this->base_attributes_.id (),
"" /* empty name */,
tc_fields,
this->nfields_);
}
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
char const *
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::id_i (void) const
{
// Ownership is retained by the TypeCode, as required by the C++
// mapping.
return this->base_attributes_.id ();
}
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
char const *
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::name_i (void) const
{
// Ownership is retained by the TypeCode, as required by the C++
// mapping.
return this->base_attributes_.name ();
}
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
CORBA::ULong
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::member_count_i (void) const
{
return this->nfields_;
}
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
char const *
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::member_name_i (CORBA::ULong index) const
{
// Ownership is retained by the TypeCode, as required by the C++
// mapping.
if (index >= this->nfields_)
throw ::CORBA::TypeCode::Bounds ();
return Traits<StringType>::get_string (this->fields_[index].name);
}
template <typename StringType,
typename TypeCodeType,
class FieldArrayType,
class RefCountPolicy>
CORBA::TypeCode_ptr
TAO::TypeCode::Struct<StringType,
TypeCodeType,
FieldArrayType,
RefCountPolicy>::member_type_i (CORBA::ULong index) const
{
if (index >= this->nfields_)
throw ::CORBA::TypeCode::Bounds ();
return
CORBA::TypeCode::_duplicate (
Traits<StringType>::get_typecode (this->fields_[index].type));
}
TAO_END_VERSIONED_NAMESPACE_DECL
#endif /* TAO_STRUCT_TYPECODE_CPP */
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