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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* 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 itkSTLContainerAdaptor_h
#define itkSTLContainerAdaptor_h
#include "itkMacro.h"
namespace itk
{
/** \class STLContainerAdaptor
* \brief An adapter object that casts a itk::XxxContainer into std::xxx
* and enables access to the underlying data structure.
*
* When the STLContainerAdaptor
* is destroyed, it automatically calls XxxContainer::Modified().
*
* Here's a usage example of STLContainerAdaptor:
*
\code
itk::STLContainerAdaptor<itk::VectorContainer<size_t, ElementType>> vecAdaptor(aContainer);
std::vector<ElementType> & vec = vecAdaptor.GetSTLContainerRef();
// do things with vec ...
// upon return from function, vecAdaptor is destroyed and aContainer is Modified()
\endcode
*
* \ingroup ITKCommon
*/
template <typename TContainer>
class STLContainerAdaptor
{
public:
ITK_DISALLOW_COPY_AND_MOVE(STLContainerAdaptor);
using AdapteeType = TContainer;
using ElementType = typename AdapteeType::Element;
using TargetType = typename AdapteeType::STLContainerType;
private:
AdapteeType & m_AdapteeRef;
public:
STLContainerAdaptor(AdapteeType & adaptee)
: m_AdapteeRef(adaptee)
{}
STLContainerAdaptor(AdapteeType * adaptee)
: m_AdapteeRef(*adaptee)
{}
~STLContainerAdaptor() { m_AdapteeRef.Modified(); }
TargetType &
GetSTLContainerRef()
{
return m_AdapteeRef.CastToSTLContainer();
}
};
} // end namespace itk
#endif
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