MyGUI_DynLib.h

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */

#ifndef __MYGUI_DYNLIB_H__
#define __MYGUI_DYNLIB_H__

#include "MyGUI_Prerequest.h"
#include <string>


#if MYGUI_PLATFORM == MYGUI_PLATFORM_WIN32
#    define MYGUI_DYNLIB_HANDLE hInstance
#    define MYGUI_DYNLIB_LOAD( a ) LoadLibrary( a )
#    define MYGUI_DYNLIB_GETSYM( a, b ) GetProcAddress( a, b )
#    define MYGUI_DYNLIB_UNLOAD( a ) !FreeLibrary( a )

struct HINSTANCE__;
typedef struct HINSTANCE__* hInstance;

#elif MYGUI_PLATFORM == MYGUI_PLATFORM_LINUX
#    define MYGUI_DYNLIB_HANDLE void*
#    define MYGUI_DYNLIB_LOAD( a ) dlopen( a, RTLD_LAZY | RTLD_GLOBAL)
#    define MYGUI_DYNLIB_GETSYM( a, b ) dlsym( a, b )
#    define MYGUI_DYNLIB_UNLOAD( a ) dlclose( a )

#elif MYGUI_PLATFORM == MYGUI_PLATFORM_APPLE
#    include <CoreFoundation/CFBundle.h>
#    define MYGUI_DYNLIB_HANDLE CFBundleRef
#    define MYGUI_DYNLIB_LOAD( a ) mac_loadExeBundle( a )
#    define MYGUI_DYNLIB_GETSYM( a, b ) mac_getBundleSym( a, b )
#    define MYGUI_DYNLIB_UNLOAD( a ) mac_unloadExeBundle( a )
#endif

namespace MyGUI
{

    class MYGUI_EXPORT DynLib
    {
        friend class DynLibManager;

    protected:
        DynLib(const std::string& name);

        ~DynLib();

    public:

        bool load();

        void unload();

        std::string getName(void) const;

        void* getSymbol( const std::string& strName ) const throw();

    protected:
        std::string dynlibError() const;

    protected:
        std::string mName;

        MYGUI_DYNLIB_HANDLE mInstance;
    };

} // namespace MyGUI

#endif // __MYGUI_DYNLIB_H__