itkDOMNodeXMLWriter.h

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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 itkDOMNodeXMLWriter_h
#define itkDOMNodeXMLWriter_h
 
#include "itkDOMNode.h"
#include "itkObject.h"
#include "ITKIOXMLExport.h"
 
#include <ostream>
 
namespace itk
{

class ITKIOXML_EXPORT DOMNodeXMLWriter : public Object
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(DOMNodeXMLWriter);

  using Self = DOMNodeXMLWriter;
  using Superclass = Object;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(DOMNodeXMLWriter);
 
  using InputType = DOMNode;
  using ConstInputPointer = InputType::ConstPointer;

  itkSetStringMacro(FileName);

  itkGetStringMacro(FileName);

  itkSetConstObjectMacro(Input, InputType);
  itkGetConstObjectMacro(Input, InputType);

  void
  Update(std::ostream & os, std::string indent = "");

  virtual void
  Update();
 
protected:
  DOMNodeXMLWriter();
 
private:
  std::string m_FileName{};

  ConstInputPointer m_Input{};

  std::string m_IndentStep{};
};
 
} // namespace itk

inline std::ostream &
operator<<(std::ostream & os, const itk::DOMNode & object)
{
  auto writer = itk::DOMNodeXMLWriter::New();
  writer->SetInput(&object);
  writer->Update(os);
  return os;
}

 
#endif // itkDOMNodeXMLWriter_h