DynamicLibraryLoader.h

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/******************************************************************************
*
* Copyright Saab AB, 2012-2013 (http://safirsdkcore.com)
*
* Created by: Lars Hagström / lars@foldspace.nu
*
*******************************************************************************
*
* This file is part of Safir SDK Core.
*
* Safir SDK Core is free software: you can redistribute it and/or modify
* it under the terms of version 3 of the GNU General Public License as
* published by the Free Software Foundation.
*
* Safir SDK Core 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 Safir SDK Core.  If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#ifndef __DYNAMIC_LIBRARY_LOADER_H__
#define __DYNAMIC_LIBRARY_LOADER_H__
 
#include <string>
#include <Safir/Utilities/Internal/VisibilityHelpers.h>
 
#ifdef lluf_utils_EXPORTS
#  define LLUF_UTILS_API SAFIR_HELPER_DLL_EXPORT
#else
#  define LLUF_UTILS_API SAFIR_HELPER_DLL_IMPORT
#  define SAFIR_LIBRARY_NAME "lluf_utils"
#  include <Safir/Utilities/Internal/AutoLink.h>
#endif
#define LLUF_UTILS_LOCAL SAFIR_HELPER_DLL_LOCAL
 
#ifndef SAFIR_NO_DEPRECATED
 
namespace Safir
{
namespace Utilities
{
    class LLUF_UTILS_API DynamicLibraryLoader
    {
    public:
        DynamicLibraryLoader();
 
        ~DynamicLibraryLoader();
 
        void Load(const std::string& libraryName,
                  const bool unloadOnDestruction,
                  const bool global = false);
 
 
        void Load(const std::string& libraryName,
                  const std::string& path,
                  const bool unloadOnDestruction,
                  const bool global = false);
 
        void Unload();
 
        template<class T>
        T* GetFunction(const std::string& functionName)
        {
            return reinterpret_cast<T*>(GetFunctionInternal(functionName));
        }
    private:
        DynamicLibraryLoader(const DynamicLibraryLoader&) = delete;
        DynamicLibraryLoader& operator=(const DynamicLibraryLoader&) = delete;
 
        void * GetFunctionInternal(const std::string& functionName);
 
        class Impl;
        Impl* m_impl;
 
        bool m_unloadOnDestruction;
    };
}
}
 
 
#endif
 
#endif