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vtkTypeTemplate.h
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vtkTypeTemplate.h
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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.
=========================================================================*/
/**
* @class vtkTypeTemplate
* @brief Provides the equivalent of vtkTypeMacro
* for use with template classes
*
* @par Thanks:
* Developed by Timothy M. Shead (tshead@sandia.gov) at Sandia National Laboratories.
*/
#ifndef vtkTypeTemplate_h
#define vtkTypeTemplate_h
#include "vtkObject.h"
#include <string>
#include <typeinfo>
// This class is legacy. See vtkTemplateTypeMacro in vtkSetGet.h for the
// replacement.
#ifndef VTK_LEGACY_REMOVE
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(vtkTypeTemplate<ThisT, BaseT>::GetClassNameInternalCachedName()))
{
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 vtkTypeBool IsTypeOf(const char* type)
{
if (strcmp(vtkTypeTemplate<ThisT, BaseT>::GetClassNameInternalCachedName(),
type) == 0)
{
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.
vtkTypeBool IsA(const char *type) VTK_OVERRIDE
{
return this->IsTypeOf(type);
}
vtkTypeTemplate()
{
VTK_LEGACY_REPLACED_BODY(vtkTypeTemplate, "VTK 7.1",
vtkTemplateTypeMacro (vtkSetGet.h));
}
private:
vtkTypeTemplate(const vtkTypeTemplate<ThisT, BaseT>&) VTK_DELETE_FUNCTION;
void operator=(const vtkTypeTemplate<ThisT, BaseT>&) VTK_DELETE_FUNCTION;
static const char* GetClassNameInternalCachedName()
{
static std::string thisType(typeid(ThisT).name());
return thisType.c_str();
}
const char* GetClassNameInternal() const VTK_OVERRIDE
{
return this->GetClassNameInternalCachedName();
}
};
#endif // VTK_LEGACY_REMOVE
#endif // header guard
// VTK-HeaderTest-Exclude: vtkTypeTemplate.h