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vtkDynamicLoader.h
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vtkDynamicLoader.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkDynamicLoader.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.
=========================================================================*/
/**
* @class vtkDynamicLoader
* @brief class interface to system dynamic libraries
*
* vtkDynamicLoader provides a portable interface to loading dynamic
* libraries into a process.
* @sa
* A more portable and lightweight solution is kwsys::DynamicLoader
*/
#ifndef vtkDynamicLoader_h
#define vtkDynamicLoader_h
#include "vtkCommonCoreModule.h" // For export macro
#include "vtkObject.h"
#include <vtksys/DynamicLoader.hxx>
typedef vtksys::DynamicLoader::LibraryHandle vtkLibHandle;
// Cannot use this as this is a void (*)() but VTK old API used to be void*
typedef vtksys::DynamicLoader::SymbolPointer vtkSymbolPointer;
class VTKCOMMONCORE_EXPORT vtkDynamicLoader : public vtkObject
{
public:
static vtkDynamicLoader* New();
vtkTypeMacro(vtkDynamicLoader,vtkObject);
/**
* Load a dynamic library into the current process.
* The returned vtkLibHandle can be used to access the symbols in the
* library.
*/
static vtkLibHandle OpenLibrary(const char*);
/**
* Attempt to detach a dynamic library from the
* process. A value of true is returned if it is successful.
*/
static int CloseLibrary(vtkLibHandle);
/**
* Find the address of the symbol in the given library
* static vtkSymbolPointer GetSymbolAddress(vtkLibHandle, const char*);
*/
static void* GetSymbolAddress(vtkLibHandle, const char*);
/**
* Return the library prefix for the given architecture
*/
static const char* LibPrefix();
/**
* Return the library extension for the given architecture
*/
static const char* LibExtension();
/**
* Return the last error produced from a calls made on this class.
*/
static const char* LastError();
protected:
vtkDynamicLoader() {}
~vtkDynamicLoader() VTK_OVERRIDE {}
private:
vtkDynamicLoader(const vtkDynamicLoader&) VTK_DELETE_FUNCTION;
void operator=(const vtkDynamicLoader&) VTK_DELETE_FUNCTION;
};
#endif
// VTK-HeaderTest-Exclude: vtkDynamicLoader.h