vtkUUIDGenerator.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * $Id: vtkUUIDGenerator.h,v 1.5 2004/08/10 07:37:21 xpxqx Exp $
 *
 * Copyright (c) 2004 Sean McInerney
 * All rights reserved.
 *
 * See Copyright.txt or http://vtkextensions.sourceforge.net/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.
 *
 */
#ifndef VTK_UUID_GENERATOR_H_
#  define VTK_UUID_GENERATOR_H_
#  include "vtkUUID.h" // gotta have it
// VTK Common
#  include "vtkObject.h"

VTK_EXTENSIONS_NAMESPACE_BEGIN

class vtkExtensionsRNG;
class vtkExtensionsGregorianClock;

class VTK_EXTENSIONS_COMMON_EXPORT vtkUUIDGenerator : public vtkObject
{
public:
  static vtkUUIDGenerator* New (void);
  vtkTypeRevisionMacro(vtkUUIDGenerator, vtkObject);
  void PrintSelf (ostream&, vtkIndent);

  vtkSetClampMacro ( CreationVersion, vtkUint16Type,
                     VTK_UUID_VERSION_TIME,
                     VTK_UUID_VERSION_RANDOM );
  vtkGetMacro (CreationVersion, vtkUint16Type);
  //BTX
  vtkUUID*      Create (const char* input);

  vtkUUID*      Create (vtkUint8Type input[16]);
  //ETX

  vtkUUID*      Create (void);

protected:
  vtkUUIDGenerator (void);
  ~vtkUUIDGenerator();

private:
  //BTX
  vtkUint8Type                  NodeID[6];

  vtkExtensionsGregorianClock*  Clock;
  vtkExtensionsRNG*             RNG;

  vtkUint16Type                 CreationVersion;

  int           GetMAC (vtkUint8Type [6]);

  vtkUint8Type* Pack (const vtkUint32Type timeLow,
                      const vtkUint16Type timeMid,
                      const vtkUint16Type timeHighAndVersion,
                      const vtkUint16Type clockSeq,
                      const vtkUint8Type  node[6],
                      vtkUint8Type        result[16]);

  vtkUint8Type* Pack (const char* input, vtkUint8Type result[16]);
  //ETX

private:
  vtkUUIDGenerator (const vtkUUIDGenerator&);
  void operator= (const vtkUUIDGenerator&);
};

VTK_EXTENSIONS_NAMESPACE_END

#endif /* VTK_UUID_GENERATOR_H_ */
/*
 * End of: $Id: vtkUUIDGenerator.h,v 1.5 2004/08/10 07:37:21 xpxqx Exp $.
 *
 */

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