itkMetaDataObject.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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.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.
 *
 *=========================================================================*/
/*=========================================================================
 *
 *  Portions of this file are subject to the VTK Toolkit Version 3 copyright.
 *
 *  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
 *
 *  For complete copyright, license and disclaimer of warranty information
 *  please refer to the NOTICE file at the top of the ITK source tree.
 *
 *=========================================================================*/
#ifndef __itkMetaDataObject_h
#define __itkMetaDataObject_h

#include "itkMetaDataDictionary.h"
#include "itkMacro.h"
#include "itkArray.h"
#include "itkMatrix.h"

#include <cstring>

namespace itk
{
template< typename MetaDataObjectType >
class MetaDataObject:public MetaDataObjectBase
{
public:

  typedef MetaDataObject             Self;
  typedef MetaDataObjectBase         Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  itkFactorylessNewMacro(Self);

  itkTypeMacro(MetaDataObject, MetaDataObjectBase);

  virtual const char * GetMetaDataObjectTypeName() const ITK_OVERRIDE;

  virtual const std::type_info & GetMetaDataObjectTypeInfo() const ITK_OVERRIDE;

  const MetaDataObjectType & GetMetaDataObjectValue() const;

  void SetMetaDataObjectValue(const MetaDataObjectType & newValue);

  virtual void Print(std::ostream & os) const ITK_OVERRIDE;

protected:
  MetaDataObject();
  virtual ~MetaDataObject();

private:
  MetaDataObject(const Self &); // purposely not implemented
  void operator=(const Self &); // purposely not implemented

  MetaDataObjectType m_MetaDataObjectValue;
};

template< typename T >
inline void EncapsulateMetaData(MetaDataDictionary & Dictionary, const std::string & key, const T & invalue)
{
  typename MetaDataObject< T >::Pointer temp = MetaDataObject< T >::New();
  temp->SetMetaDataObjectValue(invalue);
  Dictionary[key] = temp;
}

template< typename T >
inline void EncapsulateMetaData(MetaDataDictionary & Dictionary, const char *key, const T & invalue)
{
  EncapsulateMetaData(Dictionary, std::string(key), invalue);
}

template< typename T >
inline bool ExposeMetaData(const MetaDataDictionary & Dictionary, const std::string key, T & outval)
{
  if ( !Dictionary.HasKey(key) )
    {
    return false;
    }

  const MetaDataObjectBase::ConstPointer baseObjectSmartPointer = Dictionary[key];

  MetaDataObject< T > const * const TempMetaDataObject = dynamic_cast< MetaDataObject< T > const * >( baseObjectSmartPointer.GetPointer() );
  if ( TempMetaDataObject == ITK_NULLPTR )
    {
    return false;
    }

  outval = TempMetaDataObject->GetMetaDataObjectValue();
  return true;
}

#ifndef ITK_TEMPLATE_EXPLICIT_MetaDataObject
// Explicit instantiation is required to ensure correct dynamic_cast
// behavior across shared libraries.
#if defined( ITKCommon_EXPORTS )
// don't use export
#define ITKCommon_EXPORT_EXPLICIT
#else
// only import/hidden
#define ITKCommon_EXPORT_EXPLICIT ITKCommon_EXPORT
#endif
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< bool >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< unsigned char >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< char >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< signed char >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< unsigned short >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< short >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< unsigned int >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< int >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< unsigned long >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< long >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< float >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< double >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< std::string >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< std::vector<float> >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< std::vector<double> >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< std::vector<std::vector<float> > >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< std::vector<std::vector<double> > >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< Array<char> >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< Array<int> >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< Array<float> >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< Array<double> >;
extern template class ITKCommon_EXPORT_EXPLICIT MetaDataObject< Matrix<double> >;
#undef ITKCommon_EXPORT_EXPLICIT
#endif

} // end namespace itk

#define ITK_NATIVE_TYPE_METADATAPRINT(TYPE_NAME)        \
  template< >                                       \
  void                                              \
  ::itk::MetaDataObject< TYPE_NAME >                  \
  ::Print(std::ostream & os) const                  \
    {                                               \
    os << this->m_MetaDataObjectValue << std::endl; \
    }                                               \


#define ITK_OBJECT_TYPE_METADATAPRINT_1COMMA(TYPE_NAME_PART1, TYPE_NAME_PART2) \
  template< >                                                                  \
  void                                                                         \
  itk::MetaDataObject< TYPE_NAME_PART1, TYPE_NAME_PART2 >                      \
  ::Print(std::ostream & os) const                                             \
    {                                                                          \
    this->m_MetaDataObjectValue->Print(os);                                    \
    }                                                                          \


#define ITK_IMAGE_TYPE_METADATAPRINT(STORAGE_TYPE)                             \
  ITK_OBJECT_TYPE_METADATAPRINT_1COMMA(itk::Image< STORAGE_TYPE, 1 >::Pointer) \
  ITK_OBJECT_TYPE_METADATAPRINT_1COMMA(itk::Image< STORAGE_TYPE, 2 >::Pointer) \
  ITK_OBJECT_TYPE_METADATAPRINT_1COMMA(itk::Image< STORAGE_TYPE, 3 >::Pointer) \
  ITK_OBJECT_TYPE_METADATAPRINT_1COMMA(itk::Image< STORAGE_TYPE, 4 >::Pointer) \
  ITK_OBJECT_TYPE_METADATAPRINT_1COMMA(itk::Image< STORAGE_TYPE, 5 >::Pointer) \
  ITK_OBJECT_TYPE_METADATAPRINT_1COMMA(itk::Image< STORAGE_TYPE, 6 >::Pointer) \
  ITK_OBJECT_TYPE_METADATAPRINT_1COMMA(itk::Image< STORAGE_TYPE, 7 >::Pointer) \
  ITK_OBJECT_TYPE_METADATAPRINT_1COMMA(itk::Image< STORAGE_TYPE, 8 >::Pointer) \

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkMetaDataObject.hxx"
#endif

#endif //itkMetaDataObject_h