itkDOMReader.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.
 *
 *=========================================================================*/

#ifndef itkDOMReader_h
#define itkDOMReader_h

#include "itkDOMNodeXMLReader.h"
#include "itkObject.h"
#include "itkLogger.h"

namespace itk
{

template< typename TOutput >
class DOMReader : public Object
{
public:

  typedef DOMReader Self;

  itkTypeMacro(DOMReader, Object);

  typedef TOutput                       OutputType;

  typedef DOMNode                       DOMNodeType;
  typedef typename DOMNodeType::Pointer DOMNodePointer;

  typedef Logger                        LoggerType;
  typedef typename LoggerType::Pointer  LoggerPointer;

  itkSetStringMacro(FileName);

  itkGetStringMacro(FileName);

  virtual void SetOutput( OutputType* output );

  OutputType* GetOutput();

  const OutputType* GetOutput() const;

  itkGetConstMacro( Logger, LoggerType* );

  void Update( const DOMNodeType* inputdom, const void* userdata = ITK_NULLPTR );

  virtual void Update();

protected:
  DOMReader();

  virtual void GenerateData( const DOMNodeType* inputdom, const void* userdata ) = 0;

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

  itkSetObjectMacro( IntermediateDOM, DOMNodeType );
  itkGetModifiableObjectMacro(IntermediateDOM, DOMNodeType );

  std::string m_FileName;

  OutputType* m_Output;

  typename LightObject::Pointer m_OutputHolder;

  DOMNodePointer m_IntermediateDOM;

  mutable LoggerPointer m_Logger;
};

} // namespace itk

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

#endif // itkDOMReader_h