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itkDynamicLoader.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkDynamicLoader.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006/11/29 18:19:00 $
00007   Version:   $Revision: 1.26 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkDynamicLoader_h
00018 #define __itkDynamicLoader_h
00019 
00020 #include "itkObject.h"
00021 #include "itkObjectFactory.h"
00022 #include <itksys/DynamicLoader.hxx>
00023 
00024 namespace itk
00025 {
00026 
00036 //BTX
00037 typedef itksys::DynamicLoader::LibraryHandle LibHandle;
00038 // Cannot use this as this is a void (*)() but ITK old API used to be void*
00039 typedef itksys::DynamicLoader::SymbolPointer SymbolPointer;
00040 //ETX
00041 
00042 class ITKCommon_EXPORT DynamicLoader : public Object
00043 {
00044 public:
00046   typedef DynamicLoader       Self;
00047   typedef Object  Superclass;
00048   typedef SmartPointer<Self>  Pointer;
00049   typedef SmartPointer<const Self>  ConstPointer;
00050 
00052   itkNewMacro(Self);
00053 
00055   itkTypeMacro(DynamicLoader,Object);
00056 
00060   static LibHandle OpenLibrary(const char*);
00061 
00064   static int CloseLibrary(LibHandle);
00065 
00067   static void* GetSymbolAddress(LibHandle, const char*);
00068 
00070   static const char* LibPrefix();
00071 
00073   static const char* LibExtension();
00074 
00076   static const char* LastError();
00077 
00078 protected:
00079   DynamicLoader();
00080   ~DynamicLoader();
00081 
00082 private:
00083   DynamicLoader(const Self&); //purposely not implemented
00084   void operator=(const Self&); //purposely not implemented
00085 
00086 };
00087 
00088 } // end namespace itk
00089 
00090 #endif
00091 

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