//  Copyright (C) 2006-2010  CEA/DEN, EDF R&D
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License.
//
//  This library 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
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#ifndef __DYNLIBLOADERWIN_HXX__
#define __DYNLIBLOADERWIN_HXX__

#include "YACSBasesExport.hxx"

#include <string>
#include <windows.h>

namespace YACS
{
  namespace BASES
  {
    class YACSBASES_EXPORT DynLibLoaderWin
    {
    private:
      HMODULE _handleOnLoadedLib;
      std::string _libName;
      static const char _extForDynLib[];
    public:
      DynLibLoaderWin(const std::string& libNameWithoutExtension);
      ~DynLibLoaderWin();
      bool isLibFileFindable() const;
      std::string getLibNameWithoutExt() const;
      int appendDirInSearchPath(const std::string& dirName);
      int removeDirInSearchPath(const std::string& dirName);
      void *getHandleOnSymbolWithName(const std::string& symbName, bool stopOnError=true);
      static const char *getExtensionForDynLib();
      bool load();
      bool reload();
      bool unload();

    private:
      void loadLib() { load(); }//! load lib without regarding that _libName is reachable
      void *resolveSymb(const std::string& symbName, bool stopOnError);
    };
  }
}

#endif
