itkDOMNodeXMLWriter.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 __itkDOMNodeXMLWriter_h
#define __itkDOMNodeXMLWriter_h

#include "itkDOMNode.h"
#include "itkObject.h"

#include <ostream>

namespace itk
{

class DOMNodeXMLWriter : public Object
{
public:

  typedef DOMNodeXMLWriter            Self;
  typedef Object                      Superclass;
  typedef SmartPointer< Self >        Pointer;
  typedef SmartPointer< const Self >  ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(DOMNodeXMLWriter, Object);

  typedef DOMNode                 InputType;
  typedef InputType::ConstPointer ConstInputPointer;

  itkSetStringMacro(FileName);

  itkGetStringMacro(FileName);

  itkSetConstObjectMacro( Input, InputType );

  itkGetConstObjectMacro( Input, InputType );

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

  virtual void Update();

protected:
  DOMNodeXMLWriter();

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

  std::string m_FileName;

  ConstInputPointer m_Input;

  std::string m_IndentStep;
};

} // namespace itk

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

#endif // __itkDOMNodeXMLWriter_h