DynamicLib.hpp

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/*
 
  This file is part of OpenFLUID software
  Copyright(c) 2007, INRA - Montpellier SupAgro
 
 
 == GNU General Public License Usage ==
 
  OpenFLUID is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  OpenFLUID is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with OpenFLUID. If not, see <http://www.gnu.org/licenses/>.
 
 
 == Other Usage ==
 
  Other Usage means a use of OpenFLUID that is inconsistent with the GPL
  license, and requires a written agreement between You and INRA.
  Licensees for Other Usage of OpenFLUID may use this file in accordance
  with the terms contained in the written agreement between You and INRA.
  
*/
 
 
/**
  @file DynamicLib.hpp
 
  @author Jean-Christophe FABRE <jean-christophe.fabre@inrae.fr>
*/
 
 
#ifndef __OPENFLUID_MACHINE_DYNAMICLIB_HPP__
#define __OPENFLUID_MACHINE_DYNAMICLIB_HPP__
 
 
#include <string>
 
#include <openfluid/dllexport.hpp>
 
 
namespace openfluid { namespace machine {
 
 
class OPENFLUID_API DynamicLib
{
  private:
 
    std::string m_LibPath;
 
    std::string m_LatestErrMsg;
 
    void* m_LibHandle;
 
    void storeErrorMessage();
 
    void* getVoidSymbol(const std::string& Name) const;
 
 
  public: 
 
    DynamicLib(const std::string& LibPath);
 
    DynamicLib(const DynamicLib&) = delete;
    DynamicLib(DynamicLib&&) = delete;
 
    DynamicLib& operator=(const DynamicLib& Other) = delete;
    DynamicLib& operator=(DynamicLib&& Other) = delete;
 
    ~DynamicLib();
 
    std::string getPath() const;
 
    std::string getLatestErrorMsg() const;
 
    bool load();
 
    bool unload();
 
    bool isLoaded() const;
 
    bool hasSymbol(const std::string& Name) const;
    
    template <class T>
    T getSymbol(const std::string& Name) const
    {
      return reinterpret_cast<T>(getVoidSymbol(Name));
    }
};
 
 
} } //namespaces
 
 
#endif /* __OPENFLUID_MACHINE_DYNAMICLIB_HPP__ */