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

  Program:   ParaView
  Module:    vtkPVTestUtilities.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.

=========================================================================*/
/**
 * @class   vtkPVTestUtilities
 * @brief   A class to facilitate common test operations
 *
 *
*/

#ifndef vtkPVTestUtilities_h
#define vtkPVTestUtilities_h

#include "vtkObject.h"
#include "vtkPVVTKExtensionsCoreModule.h" // needed for export macro

class vtkPolyData;
class vtkDataArray;

class VTKPVVTKEXTENSIONSCORE_EXPORT vtkPVTestUtilities : public vtkObject
{
public:
  // the usual vtk stuff
  vtkTypeMacro(vtkPVTestUtilities, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkPVTestUtilities* New();

  /**
   * Initialize the object from command tail arguments.
   */
  void Initialize(int argc, char** argv);
  /**
   * Given a path relative to the Data root (provided
   * in argv by -D option), construct a OS independent path
   * to the file specified by "name". "name" should not start
   * with a path separator and if path separators are needed
   * use '/'. Be sure to delete [] the return when you are
   * finished.
   */
  char* GetDataFilePath(const char* name) { return this->GetFilePath(this->DataRoot, name); }
  /**
   * Given a path relative to the working directory (provided
   * in argv by -T option), construct a OS independent path
   * to the file specified by "name". "name" should not start
   * with a path separator and if path separators are needed
   * use '/'. Be sure to delete [] the return when you are
   * finished.
   */
  char* GetTempFilePath(const char* name) { return this->GetFilePath(this->TempRoot, name); }

protected:
  vtkPVTestUtilities() { this->Initialize(0, 0); }
  ~vtkPVTestUtilities() override { this->Initialize(0, 0); }

private:
  vtkPVTestUtilities(const vtkPVTestUtilities&) = delete;
  void operator=(const vtkPVTestUtilities&) = delete;
  ///
  char GetPathSep();
  char* GetDataRoot();
  char* GetTempRoot();
  char* GetCommandTailArgument(const char* tag);
  char* GetFilePath(const char* base, const char* name);
  //
  int Argc;
  char** Argv;
  char* DataRoot;
  char* TempRoot;
};

#endif
