vtkObjectBase.h

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

  Program:   Visualization Toolkit
  Module:    vtkObjectBase.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 vtkObjectBase_h
#define vtkObjectBase_h

// Semantics around vtkDebugLeaks usage has changed. Now just call
// vtkObjectBase::InitializeObjectBase() after creating an object with New().
// The object factory methods take care of this automatically.
#define VTK_HAS_INITIALIZE_OBJECT_BASE

#include "vtkCommonCoreModule.h" // For export macro
#include "vtkIndent.h"
#include "vtkSystemIncludes.h"
#include "vtkAtomicTypes.h" // needs to be included after vtkSystemIncludes.h
                            // for warning suppressions to work on Visual Studio

class vtkGarbageCollector;
class vtkGarbageCollectorToObjectBaseFriendship;
class vtkWeakPointerBase;
class vtkWeakPointerBaseToObjectBaseFriendship;

class VTKCOMMONCORE_EXPORT vtkObjectBase
{
  virtual const char* GetClassNameInternal() const { return "vtkObjectBase"; }
public:

#ifdef VTK_WORKAROUND_WINDOWS_MANGLE
  // Avoid windows name mangling.
# define GetClassNameA GetClassName
# define GetClassNameW GetClassName
#endif

  const char* GetClassName() const;

#ifdef VTK_WORKAROUND_WINDOWS_MANGLE
# undef GetClassNameW
# undef GetClassNameA

  // Define possible mangled names.
  const char* GetClassNameA() const;
  const char* GetClassNameW() const;

#endif

  static vtkTypeBool IsTypeOf(const char *name);

  virtual vtkTypeBool IsA(const char *name);

  virtual void Delete();

  virtual void FastDelete();

  static vtkObjectBase *New()
  {
    vtkObjectBase *o = new vtkObjectBase;
    o->InitializeObjectBase();
    return o;
  }

  // Called by implementations of vtkObject::New(). Centralized location for
  // vtkDebugLeaks registration:
  void InitializeObjectBase();

#ifdef _WIN32
  // avoid dll boundary problems
  void* operator new( size_t tSize );
  void operator delete( void* p );
#endif

  void Print(ostream& os);


  virtual void PrintSelf(ostream& os, vtkIndent indent);
  virtual void PrintHeader(ostream& os, vtkIndent indent);
  virtual void PrintTrailer(ostream& os, vtkIndent indent);

  virtual void Register(vtkObjectBase* o);

  virtual void UnRegister(vtkObjectBase* o);

  int GetReferenceCount()
  {
    return this->ReferenceCount;
  }

  void SetReferenceCount(int);

#ifndef VTK_LEGACY_REMOVE
  void PrintRevisions(ostream&) {}
#endif

protected:
  vtkObjectBase();
  virtual ~vtkObjectBase();

#ifndef VTK_LEGACY_REMOVE
  virtual void CollectRevisions(ostream&) {} // Legacy; do not use!
#endif

  vtkAtomicInt32 ReferenceCount;
  vtkWeakPointerBase **WeakPointers;

  // Internal Register/UnRegister implementation that accounts for
  // possible garbage collection participation.  The second argument
  // indicates whether to participate in garbage collection.
  virtual void RegisterInternal(vtkObjectBase*, vtkTypeBool check);
  virtual void UnRegisterInternal(vtkObjectBase*, vtkTypeBool check);

  // See vtkGarbageCollector.h:
  virtual void ReportReferences(vtkGarbageCollector*);

private:

  friend VTKCOMMONCORE_EXPORT ostream& operator<<(ostream& os, vtkObjectBase& o);
  friend class vtkGarbageCollectorToObjectBaseFriendship;
  friend class vtkWeakPointerBaseToObjectBaseFriendship;

protected:

  vtkObjectBase(const vtkObjectBase&) {}
  void operator=(const vtkObjectBase&) {}

};

#endif

// VTK-HeaderTest-Exclude: vtkObjectBase.h