vtkBase64Utilities.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkBase64Utilities.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 vtkBase64Utilities_h
#define vtkBase64Utilities_h
 
#include "vtkIOCoreModule.h" // For export macro
#include "vtkObject.h"
 
class VTKIOCORE_EXPORT vtkBase64Utilities : public vtkObject
{
public:
  static vtkBase64Utilities* New();
  vtkTypeMacro(vtkBase64Utilities, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static void EncodeTriplet(unsigned char i0, unsigned char i1, unsigned char i2, unsigned char* o0,
    unsigned char* o1, unsigned char* o2, unsigned char* o3);
 
  static void EncodePair(unsigned char i0, unsigned char i1, unsigned char* o0, unsigned char* o1,
    unsigned char* o2, unsigned char* o3);
 
  static void EncodeSingle(
    unsigned char i0, unsigned char* o0, unsigned char* o1, unsigned char* o2, unsigned char* o3);
 
  static unsigned long Encode(
    const unsigned char* input, unsigned long length, unsigned char* output, int mark_end = 0);
 
  static int DecodeTriplet(unsigned char i0, unsigned char i1, unsigned char i2, unsigned char i3,
    unsigned char* o0, unsigned char* o1, unsigned char* o2);
 
  static size_t DecodeSafely(
    const unsigned char* input, size_t inputLen, unsigned char* output, size_t outputLen);
 
protected:
  vtkBase64Utilities() = default;
  ~vtkBase64Utilities() override = default;
 
private:
  vtkBase64Utilities(const vtkBase64Utilities&) = delete;
  void operator=(const vtkBase64Utilities&) = delete;
};
 
#endif