vtkFileSeriesReader.h

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

  Program:   ParaView
  Module:    vtkFileSeriesReader.h

  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.

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

/*
 * Copyright 2008 Sandia Corporation.
 * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
 * license for use of this work by or on behalf of the
 * U.S. Government. Redistribution and use in source and binary forms, with
 * or without modification, are permitted provided that this Notice and any
 * statement of authorship are reproduced on all copies.
 */

#ifndef vtkFileSeriesReader_h
#define vtkFileSeriesReader_h

#include "vtkMetaReader.h"
#include "vtkPVVTKExtensionsIOCoreModule.h" //needed for exports

#include <vector> // Needed for protected API

class vtkInformationIntegerKey;
class vtkInformationStringKey;
class vtkStringArray;

struct vtkFileSeriesReaderInternals;

class VTKPVVTKEXTENSIONSIOCORE_EXPORT vtkFileSeriesReader : public vtkMetaReader
{
public:
  static vtkFileSeriesReader* New();
  vtkTypeMacro(vtkFileSeriesReader, vtkMetaReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  int ProcessRequest(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

  virtual int CanReadFile(const char* filename);

  virtual void AddFileName(const char* fname);

  virtual void RemoveAllFileNames();

  virtual unsigned int GetNumberOfFileNames();

  virtual const char* GetFileName(unsigned int idx);

  const char* GetCurrentFileName();


  vtkGetMacro(UseMetaFile, int);
  vtkSetMacro(UseMetaFile, int);
  vtkBooleanMacro(UseMetaFile, int);


  vtkGetMacro(IgnoreReaderTime, bool);
  vtkSetMacro(IgnoreReaderTime, bool);
  vtkBooleanMacro(IgnoreReaderTime, bool);

  // Expose number of files, first filename and current file number as
  // information keys for potential use in the internal reader
  static vtkInformationIntegerKey* FILE_SERIES_NUMBER_OF_FILES();
  static vtkInformationIntegerKey* FILE_SERIES_CURRENT_FILE_NUMBER();
  static vtkInformationStringKey* FILE_SERIES_FIRST_FILENAME();

protected:
  vtkFileSeriesReader();
  ~vtkFileSeriesReader() override;

  int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

  virtual int RequestUpdateTime(vtkInformation*, vtkInformationVector**, vtkInformationVector*)
  {
    return 1;
  };
  virtual int RequestUpdateTimeDependentInformation(
    vtkInformation*, vtkInformationVector**, vtkInformationVector*)
  {
    return 1;
  };
  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;

  int FillOutputPortInformation(int port, vtkInformation* info) override;

  virtual int RequestInformationForInput(
    int index, vtkInformation* request = NULL, vtkInformationVector* outputVector = NULL);

  virtual int ReadMetaDataFile(const char* metafilename, vtkStringArray* filesToRead,
    std::vector<double>& timeValues, int maxFilesToRead = VTK_INT_MAX);

  int UseMetaFile;

  bool UseJsonMetaFile;

  virtual void UpdateMetaData();

  void ResetTimeRanges();

  void RemoveAllFileNamesInternal();
  void AddFileNameInternal(const char*);

  virtual void RemoveAllRealFileNamesInternal();

  void CopyRealFileNamesFromFileNames();

  bool IgnoreReaderTime;

  int ChooseInput(vtkInformation*);

private:
  vtkFileSeriesReader(const vtkFileSeriesReader&) = delete;
  void operator=(const vtkFileSeriesReader&) = delete;

  vtkFileSeriesReaderInternals* Internal;
};

#endif