/usr/include/paraview/vtkXMLPUnstructuredGridReader.h is in paraview-dev 5.0.1+dfsg1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71  | /*=========================================================================
  Program:   Visualization Toolkit
  Module:    vtkXMLPUnstructuredGridReader.h
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm 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.
=========================================================================*/
// .NAME vtkXMLPUnstructuredGridReader - Read PVTK XML UnstructuredGrid files.
// .SECTION Description
// vtkXMLPUnstructuredGridReader reads the PVTK XML UnstructuredGrid
// file format.  This reads the parallel format's summary file and
// then uses vtkXMLUnstructuredGridReader to read data from the
// individual UnstructuredGrid piece files.  Streaming is supported.
// The standard extension for this reader's file format is "pvtu".
// .SECTION See Also
// vtkXMLUnstructuredGridReader
#ifndef vtkXMLPUnstructuredGridReader_h
#define vtkXMLPUnstructuredGridReader_h
#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLPUnstructuredDataReader.h"
class vtkUnstructuredGrid;
class VTKIOXML_EXPORT vtkXMLPUnstructuredGridReader : public vtkXMLPUnstructuredDataReader
{
public:
  vtkTypeMacro(vtkXMLPUnstructuredGridReader,vtkXMLPUnstructuredDataReader);
  void PrintSelf(ostream& os, vtkIndent indent);
  static vtkXMLPUnstructuredGridReader *New();
  // Description:
  // Get the reader's output.
  vtkUnstructuredGrid *GetOutput();
  vtkUnstructuredGrid *GetOutput(int idx);
protected:
  vtkXMLPUnstructuredGridReader();
  ~vtkXMLPUnstructuredGridReader();
  const char* GetDataSetName();
  void GetOutputUpdateExtent(int& piece, int& numberOfPieces, int& ghostLevel);
  void SetupOutputTotals();
  void SetupOutputData();
  void SetupNextPiece();
  int ReadPieceData();
  void CopyArrayForCells(vtkDataArray* inArray, vtkDataArray* outArray);
  vtkXMLDataReader* CreatePieceReader();
  virtual int FillOutputPortInformation(int, vtkInformation*);
  // The index of the cell in the output where the current piece
  // begins.
  vtkIdType StartCell;
private:
  vtkXMLPUnstructuredGridReader(const vtkXMLPUnstructuredGridReader&);  // Not implemented.
  void operator=(const vtkXMLPUnstructuredGridReader&);  // Not implemented.
};
#endif
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