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/*=========================================================================
Program: Visualization Toolkit
Module: vtkTypeTemplate.h
-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------
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.
=========================================================================*/
// .NAME vtkTypeTemplate - Provides the equivalent of vtkTypeMacro
// for use with template classes
//
// .SECTION Thanks
// Developed by Timothy M. Shead (tshead@sandia.gov) at Sandia National Laboratories.
#ifndef __vtkTypeTemplate_h
#define __vtkTypeTemplate_h
#include "vtkObjectBase.h"
#include <typeinfo>
template<class ThisT, class BaseT>
class vtkTypeTemplate :
public BaseT
{
public:
typedef BaseT Superclass;
ThisT* NewInstance() const
{
return ThisT::SafeDownCast(this->NewInstanceInternal());
}
static ThisT* SafeDownCast(vtkObjectBase* o)
{
if(o && o->IsA(typeid(ThisT).name()))
{
return static_cast<ThisT*>(o);
}
return 0;
}
protected:
virtual vtkObjectBase* NewInstanceInternal() const
{
return ThisT::New();
}
// We don't expose this publicly, because the typename we generate
// for our template instantiations isn't human-readable, unlike
// "normal" VTK classes.
static int IsTypeOf(const char* type)
{
if(!strcmp(typeid(ThisT).name(), type))
{
return 1;
}
return BaseT::IsTypeOf(type);
}
// We don't expose this publicly, because the typename we generate
// for our template instantiations isn't human-readable, unlike
// "normal" VTK classes.
virtual int IsA(const char *type)
{
return this->IsTypeOf(type);
}
private:
virtual const char* GetClassNameInternal() const
{
return typeid(ThisT).name();
}
};
#endif
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