text: /*=========================================================================
   *
   *  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.
   *
   *=========================================================================*/
  #ifndef itkTransformIOFactory_h
  #define itkTransformIOFactory_h
  
  #include "ITKIOTransformBaseExport.h"
  
  #include "itkObject.h"
  #include "itkTransformIOBase.h"
  
  namespace itk
  {
  
  /** Mode in which the files is intended to be used */
  typedef enum { ReadMode, WriteMode } TransformIOFactoryFileModeType;
  
  /** \class TransformIOFactoryTemplate
   * \brief Create instances of TransformIO objects using an object factory.
   * \ingroup ITKIOTransformBase
   */
  template<typename TParametersValueType>
  class ITK_TEMPLATE_EXPORT TransformIOFactoryTemplate:public Object
  {
  public:
    ITK_DISALLOW_COPY_AND_ASSIGN(TransformIOFactoryTemplate);
  
    /** Standard class type aliases. */
    using Self = TransformIOFactoryTemplate;
    using Superclass = Object;
    using Pointer = SmartPointer<Self>;
    using ConstPointer = SmartPointer<const Self>;
  
    /** Class Methods used to interface with the registered factories */
  
    /** Run-time type information (and related methods). */
    itkTypeMacro(TransformIOFactoryTemplate, Object);
  
    /** Convenient type alias. */
    using TransformIOBasePointer = typename TransformIOBaseTemplate<TParametersValueType>::Pointer;
  
    /** Create the appropriate TransformIO depending on
     *  the particulars of the file.
     */
    static TransformIOBasePointer
    CreateTransformIO(const char *path, TransformIOFactoryFileModeType mode);
  
  protected:
    TransformIOFactoryTemplate();
    ~TransformIOFactoryTemplate() override;
  };
  
  /** This helps to meet backward compatibility */
  using TransformIOFactory = TransformIOFactoryTemplate<double>;
  
  } // end namespace itk
  
  // Note: Explicit instantiation is done in itkTransformIOFactory.cxx
  
  #endif
  
  /** Explicit instantiations */
  #ifndef ITK_TEMPLATE_EXPLICIT_TransformIOFactory
  // Explicit instantiation is required to ensure correct dynamic_cast
  // behavior across shared libraries.
  //
  // IMPORTANT: Since within the same compilation unit,
  //            ITK_TEMPLATE_EXPLICIT_<classname> defined and undefined states
  //            need to be considered. This code *MUST* be *OUTSIDE* the header
  //            guards.
  //
  #  if defined( ITKIOTransformBase_EXPORTS )
  //   We are building this library
  #    define ITKIOTransformBase_EXPORT_EXPLICIT ITK_FORWARD_EXPORT
  #  else
  //   We are using this library
  #    define ITKIOTransformBase_EXPORT_EXPLICIT ITKIOTransformBase_EXPORT
  #  endif
  namespace itk
  {
  
  ITK_GCC_PRAGMA_DIAG_PUSH()
  ITK_GCC_PRAGMA_DIAG(ignored "-Wattributes")
  
  extern template class ITKIOTransformBase_EXPORT_EXPLICIT TransformIOFactoryTemplate< double >;
  extern template class ITKIOTransformBase_EXPORT_EXPLICIT TransformIOFactoryTemplate< float >;
  
  ITK_GCC_PRAGMA_DIAG_POP()
  
  } // end namespace itk
  #  undef ITKIOTransformBase_EXPORT_EXPLICIT
  #endif
  