/usr/include/ITK-4.5/itkDOMNodeXMLWriter.h is in libinsighttoolkit4-dev 4.5.0-3.
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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
* \brief Class to write a DOM object to an XML file or an output stream.
*
* This class takes a user DOM object and write it to a destination such as file, string, console, etc.
* Before using this class, the DOM object should have been generated from a user object.
*
* We do not recommend to directly use this class for user object writing, because the user has to handle
* both DOM object generation from the user object and XML output from the intermediate DOM object.
* Users should derive from the DOMWriter, because it performs the latter step automatically and lets the users
* concentrate on the former step, thus implementation of such a writer is simplified.
*
* Note: Though this class behaves similar to ProcessObject, it is not derived from ProcessObject. This is
* because the input of this class, i.e. a DOMNode object, is not a DataObject, thus this class cannot
* be connected to an ITK process pipeline.
*
* The following code snippet demonstrates how to write a DOM object to an XML file:
*
* itk::DOMNode::Pointer input_dom_object = ...
* const char* output_xml_file_name = ...
* itk::DOMNodeXMLWriter::Pointer writer = itk::DOMNodeXMLWriter::New();
* writer->SetInput( input_dom_object );
* writer->SetFileName( output_xml_file_name );
* writer->Update();
*
* \sa DOMWriter
* \sa DOMNode
*
* \ingroup ITKIOXML
*/
class DOMNodeXMLWriter : public Object
{
public:
/** Standard class typedefs. */
typedef DOMNodeXMLWriter Self;
typedef Object Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(DOMNodeXMLWriter, Object);
typedef DOMNode InputType;
typedef InputType::ConstPointer ConstInputPointer;
/** Set the output XML filename. */
itkSetStringMacro(FileName);
/** Get the output XML filename. */
itkGetStringMacro(FileName);
/** Get/Set the input DOM object to be written. */
itkSetConstObjectMacro( Input, InputType );
itkGetConstObjectMacro(Input, InputType );
/**
* Function called by Update() or end-users to write the input DOM object
* to an output stream such as file, string, console, etc.
*/
void Update( std::ostream& os, std::string indent = "" );
/**
* Function called by end-users to write the input DOM object to the output XML file.
*/
virtual void Update();
protected:
DOMNodeXMLWriter();
private:
DOMNodeXMLWriter(const Self &); //purposely not implemented
void operator=(const Self &); //purposely not implemented
/** Variable to hold the output XML file name. */
std::string m_FileName;
/** Variable to hold the input DOM object. */
ConstInputPointer m_Input;
/** Variable to hold the indentation (i.e. number of white spaces) for a child node w.r.t. its parent. */
std::string m_IndentStep;
};
} // namespace itk
/** The operator "<<" is overloaded such that a DOM object can be conveniently write to an output stream. */
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
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