Servers/Filters/vtkPVXMLElement.h

Go to the documentation of this file.

/*=========================================================================

  Program:   ParaView
  Module:    $RCSfile: vtkPVXMLElement.h,v $

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef __vtkPVXMLElement_h
#define __vtkPVXMLElement_h

#include "vtkObject.h"

class vtkPVXMLParser;

class VTK_EXPORT vtkPVXMLElement : public vtkObject
{
public:
  vtkTypeRevisionMacro(vtkPVXMLElement,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
  static vtkPVXMLElement* New();


  vtkGetStringMacro(Name);


  vtkGetStringMacro(Id);

  const char* GetAttribute(const char* name);


  int GetScalarAttribute(const char* name, int* value);
  int GetScalarAttribute(const char* name, float* value);
  int GetScalarAttribute(const char* name, double* value);


  int GetVectorAttribute(const char* name, int length, int* value);
  int GetVectorAttribute(const char* name, int length, float* value);
  int GetVectorAttribute(const char* name, int length, double* value);

  vtkPVXMLElement* GetParent();

  unsigned int GetNumberOfNestedElements();

  vtkPVXMLElement* GetNestedElement(unsigned int index);

  vtkPVXMLElement* FindNestedElement(const char* id);

  vtkPVXMLElement* LookupElement(const char* id);

protected:
  vtkPVXMLElement();
  ~vtkPVXMLElement();

  char* Name;
  char* Id;

  // The raw property name/value pairs read from the XML attributes.
  char** AttributeNames;
  char** AttributeValues;
  unsigned int NumberOfAttributes;
  unsigned int AttributesSize;

  // The set of nested elements.
  unsigned int NumberOfNestedElements;
  unsigned int NestedElementsSize;
  vtkPVXMLElement** NestedElements;

  // The parent of this element.
  vtkPVXMLElement* Parent;

  // Method used by vtkPVXMLParser to setup the element.
  vtkSetStringMacro(Name);
  vtkSetStringMacro(Id);
  void ReadXMLAttributes(const char** atts);
  void AddNestedElement(vtkPVXMLElement* element);
  void AddCharacterData(const char* data, int length);

  void PrintXML(ostream& os, vtkIndent indent);

  // Internal utility methods.
  vtkPVXMLElement* LookupElementInScope(const char* id);
  vtkPVXMLElement* LookupElementUpScope(const char* id);
  void SetParent(vtkPVXMLElement* parent);

  //BTX
  friend class vtkPVXMLParser;
  //ETX

private:
  vtkPVXMLElement(const vtkPVXMLElement&);  // Not implemented.
  void operator=(const vtkPVXMLElement&);  // Not implemented.
};

#endif

---