Program Listing for File refmacros.hpp
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/*
* Copyright 2010, Object Management Group, Inc.
* Copyright 2010, PrismTech, Corp.
* Copyright 2010, Real-Time Innovations, Inc.
* Copyright 2019, Proyectos y Sistemas de Mantenimiento SL (eProsima).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef OMG_DDS_CORE_REFMACROS_HPP_
#define OMG_DDS_CORE_REFMACROS_HPP_
// Macros
#define DECLARE_TYPE_TRAITS(TYPE) \
typedef TYPE TYPE ## _T; \
typedef typename ::dds::core::smart_ptr_traits<TYPE>::ref_type TYPE ## _REF_T; \
typedef typename ::dds::core::smart_ptr_traits<TYPE>::weak_ref_type TYPE ## _WEAK_REF_T;
/*
* This macro defines all the functions that Reference Types have to implement.
*/
// Defines all the types, functions and attributes required for a Reference type
// without default ctor.
//
#define OMG_DDS_REF_TYPE_BASE(TYPE, BASE, DELEGATE) \
public: \
typedef typename ::dds::core::smart_ptr_traits< DELEGATE >::ref_type DELEGATE_REF_T; \
typedef typename ::dds::core::smart_ptr_traits< DELEGATE >::weak_ref_type DELEGATE_WEAK_REF_T; \
\
protected: \
const typename ::dds::core::Reference< DELEGATE >::DELEGATE_REF_T& impl() const \
{ return ::dds::core::Reference< DELEGATE >::impl_; } \
typename ::dds::core::Reference< DELEGATE >::DELEGATE_REF_T& impl() \
{ return ::dds::core::Reference< DELEGATE >::impl_; } \
\
public: \
typedef BASE< DELEGATE > BASE_T; \
\
public: \
TYPE(const dds::core::null_type&) : dds::core::Reference< DELEGATE >(static_cast<DELEGATE*>(NULL)) { } \
\
TYPE& operator =( \
const dds::core::null_type& rhs) { \
*this = TYPE(rhs); \
return *this; \
} \
\
public: \
TYPE(const DELEGATE_REF_T &ref) \
: dds::core::Reference< DELEGATE >(ref) \
{ }
#define OMG_DDS_IMPLICIT_REF_BASE(TYPE) \
public: \
template<typename H__> \
TYPE(const H__ &h) \
{ \
if (h.is_nil()){ \
/* We got a null object and are not really able to do a typecheck here. */ \
/* So, just set a null object. */ \
*this = dds::core::null; \
} else { \
this->impl_ = h.delegate(); \
if (h.delegate() != this->::dds::core::Reference< DELEGATE_T >::impl_){ \
throw dds::core::IllegalOperationError(std::string( \
"Attempted invalid cast: ") + typeid(h).name() + " to " + typeid(*this).name()); \
} \
} \
} \
\
template<typename T__> \
TYPE& \
operator =( \
const T__& rhs) { \
if (this != (TYPE*)&rhs){ \
if (rhs.is_nil()){ \
/* We got a null object and are not really able to do a typecheck here. */ \
/* So, just set a null object. */ \
*this = dds::core::null; \
} else { \
TYPE other(rhs); \
/* Dont have to copy when the delegate impl is the same. */ \
if (other.delegate() != this->::dds::core::Reference< DELEGATE_T >::impl_){ \
*this = other; \
} \
} \
} \
return *this; \
}
#define OMG_DDS_EXPLICIT_REF_BASE_DECL(TYPE, FROM) \
public: \
TYPE(const FROM &h); \
\
TYPE& \
operator =( \
const FROM& rhs);
#define OMG_DDS_EXPLICIT_REF_BASE(TYPE, FROM) \
public: \
/* We need to support both const and non-const conversion explicitly, because it could */ \
/* be that the class has a constructor that takes a single non-const template argument. */ \
/* That non-const templated constructor is a closer match than TYPE(const FROM& h); when */ \
/* creating the TYPE class from a non-const FROM object. */ \
TYPE(FROM & h) { this->explicit_conversion(const_cast<const FROM&>(h)); } \
TYPE(const FROM &h) { this->explicit_conversion(h); } \
private: \
void explicit_conversion(const FROM &h) \
{ \
if (h.is_nil()){ \
/* We got a null object and are not really able to do a typecheck here. */ \
/* So, just set a null object. */ \
*this = dds::core::null; \
} else { \
this->impl_ = h.delegate(); \
if (h.delegate() != this->::dds::core::Reference< DELEGATE_T >::impl_){ \
throw dds::core::IllegalOperationError(std::string( \
"Attempted invalid cast: ") + typeid(h).name() + " to " + typeid(*this).name()); \
} \
} \
} \
\
public: \
TYPE& \
operator =( \
const FROM& rhs) { \
if (this != (TYPE*)&rhs){ \
if (rhs.is_nil()){ \
/* We got a null object and are not really able to do a typecheck here. */ \
/* So, just set a null object. */ \
*this = dds::core::null; \
} else { \
TYPE other(rhs); \
/* Dont have to copy when the delegate is the same. */ \
if (other.delegate() != this->::dds::core::Reference< DELEGATE_T >::impl_){ \
*this = other; \
} \
} \
} \
return *this; \
}
// Declares a reference type equipped with a default ctor.
//
#define OMG_DDS_REF_TYPE_PROTECTED_DC(TYPE, BASE, DELEGATE) \
public: \
typedef DELEGATE DELEGATE_T; \
OMG_DDS_REF_TYPE_BASE(TYPE, BASE, DELEGATE_T) \
protected: \
TYPE() { }
#define OMG_DDS_REF_TYPE_PROTECTED_DC_T(TYPE, BASE, T_PARAM, DELEGATE) \
public: \
typedef DELEGATE<T_PARAM> DELEGATE_T; \
OMG_DDS_REF_TYPE_BASE(TYPE, BASE, DELEGATE_T) \
protected: \
TYPE() { }
#define OMG_DDS_REF_TYPE_NO_DC(TYPE, BASE, DELEGATE) \
public: \
typedef DELEGATE DELEGATE_T; \
OMG_DDS_REF_TYPE_BASE(TYPE, BASE, DELEGATE_T)
#define OMG_DDS_REF_TYPE_DELEGATE_C(TYPE, BASE, DELEGATE) \
OMG_DDS_REF_TYPE_PROTECTED_DC(TYPE, BASE, DELEGATE) \
public: \
TYPE(DELEGATE_T * impl) : dds::core::Reference< DELEGATE_T >(impl) { }
#endif //OMG_DDS_CORE_REFMACROS_HPP_