factory_trait.hh
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/* -*- mia-c++ -*-
*
* This file is part of MIA - a toolbox for medical image analysis
* Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
*
* MIA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MIA; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef mia_core_factory_trait_hh
#define mia_core_factory_trait_hh
#include <mia/core/defines.hh>
#include <memory>
NS_MIA_BEGIN
template <class T>
class FactoryTrait
{
typedef typename T::must_create_trait_using_FACTORY_TRAIT type;
};
template <class T>
class FactoryTrait<std::shared_ptr<T>>
{
public:
typedef typename FactoryTrait<T>::type type;
};
#define FACTORY_TRAIT(F) \
template <> \
class FactoryTrait< F::Instance::ProductPtr::element_type > { \
public: \
typedef F type; \
};
NS_MIA_END
#endif
FactoryTrait< std::shared_ptr< T > >::type
FactoryTrait< T >::type type
the typetrait type
Definition factory_trait.hh:61
FactoryTrait
Type trait to enable the use of a factory product as command line option.
Definition factory_trait.hh:43
defines.hh
NS_MIA_BEGIN
#define NS_MIA_BEGIN
conveniance define to start the mia namespace
Definition defines.hh:33
NS_MIA_END
#define NS_MIA_END
conveniance define to end the mia namespace
Definition defines.hh:36
std
Definition gsl_iterator.hh:324