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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @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> // Implementation
typedef vtksys::DynamicLoader::LibraryHandle vtkLibHandle;
typedef vtksys::DynamicLoader::SymbolPointer vtkSymbolPointer;
VTK_ABI_NAMESPACE_BEGIN
class VTKCOMMONCORE_EXPORT vtkDynamicLoader : public vtkObject
{
public:
static vtkDynamicLoader* New();
vtkTypeMacro(vtkDynamicLoader, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Load a dynamic library into the current process.
* The returned vtkLibHandle can be used to access the symbols in the
* library.
*/
static vtkLibHandle OpenLibrary(VTK_FILEPATH const char*);
static vtkLibHandle OpenLibrary(VTK_FILEPATH const char*, int);
/**
* 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*);
/**
* 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() = default;
~vtkDynamicLoader() override = default;
private:
vtkDynamicLoader(const vtkDynamicLoader&) = delete;
void operator=(const vtkDynamicLoader&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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