vtkPDataSetReader.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkPDataSetReader.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.
 
=========================================================================*/
#ifndef vtkPDataSetReader_h
#define vtkPDataSetReader_h
 
#include "vtkIOParallelModule.h" // For export macro
#include "vtkDataSetAlgorithm.h"
 
class vtkDataSet;
 
class VTKIOPARALLEL_EXPORT vtkPDataSetReader : public vtkDataSetAlgorithm
{
public:
  void PrintSelf(ostream& os, vtkIndent indent);
  vtkTypeMacro(vtkPDataSetReader,vtkDataSetAlgorithm);
  static vtkPDataSetReader *New();
 
 
  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);
 
 
  vtkGetMacro(DataType, int);
 
  int CanReadFile(const char* filename);
 
protected:
  vtkPDataSetReader();
  ~vtkPDataSetReader();
 
  virtual int RequestDataObject(vtkInformation* request,
                                vtkInformationVector** inputVector,
                                vtkInformationVector* outputVector);
  void ReadPVTKFileInformation(ifstream *fp,
                               vtkInformation* request,
                               vtkInformationVector** inputVector,
                               vtkInformationVector* outputVector);
  void ReadVTKFileInformation(ifstream *fp,
                               vtkInformation* request,
                               vtkInformationVector** inputVector,
                               vtkInformationVector* outputVector);
 
  virtual int RequestInformation(vtkInformation*,
                                 vtkInformationVector**,
                                 vtkInformationVector*);
 
  virtual int RequestData(vtkInformation*,
                          vtkInformationVector**,
                          vtkInformationVector*);
  int PolyDataExecute(vtkInformation*,
                      vtkInformationVector**,
                      vtkInformationVector*);
  int UnstructuredGridExecute(vtkInformation*,
                              vtkInformationVector**,
                              vtkInformationVector*);
  int ImageDataExecute(vtkInformation*,
                       vtkInformationVector**,
                       vtkInformationVector*);
  int StructuredGridExecute(vtkInformation*,
                            vtkInformationVector**,
                            vtkInformationVector*);
 
  void CoverExtent(int ext[6], int *pieceMask);
 
  vtkDataSet *CheckOutput();
  void SetNumberOfPieces(int num);
 
//BTX
  ifstream *OpenFile(const char *);
//ETX
  int ReadXML(ifstream *file, char **block, char **param, char **value);
  void SkipFieldData(ifstream *file);
 
  int VTKFileFlag;
  int StructuredFlag;
  char *FileName;
  int DataType;
  int NumberOfPieces;
  char **PieceFileNames;
  int **PieceExtents;
 
private:
  vtkPDataSetReader(const vtkPDataSetReader&); // Not implemented
  void operator=(const vtkPDataSetReader&); // Not implemented
};
 
#endif