CEGUIDynamicModule.h

/***********************************************************************
    filename:   CEGUIDynamicModule.h
    created:    Tue Mar 7 2006
    author:     Paul D Turner <paul@cegui.org.uk>
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
 *
 *   Permission is hereby granted, free of charge, to any person obtaining
 *   a copy of this software and associated documentation files (the
 *   "Software"), to deal in the Software without restriction, including
 *   without limitation the rights to use, copy, modify, merge, publish,
 *   distribute, sublicense, and/or sell copies of the Software, and to
 *   permit persons to whom the Software is furnished to do so, subject to
 *   the following conditions:
 *
 *   The above copyright notice and this permission notice shall be
 *   included in all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *   OTHER DEALINGS IN THE SOFTWARE.
 ***************************************************************************/
#ifndef _CEGUIDynamicModule_h_
#define _CEGUIDynamicModule_h_

#include "CEGUIString.h"

/*************************************************************************
    The following is basically taken from DynLib.h, which is part of
    the Ogre project (http://www.ogre3d.org/)
*************************************************************************/
#if defined(__WIN32__) || defined(_WIN32)
#   define DYNLIB_HANDLE hInstance
#   define DYNLIB_LOAD( a ) LoadLibrary( a )
#   define DYNLIB_GETSYM( a, b ) GetProcAddress( a, b )
#   define DYNLIB_UNLOAD( a ) !FreeLibrary( a )

    struct HINSTANCE__;
    typedef struct HINSTANCE__* hInstance;

#elif defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__)
#    define DYNLIB_HANDLE void*
#    define DYNLIB_LOAD( a ) dlopen( a, RTLD_LAZY )
#    define DYNLIB_GETSYM( a, b ) dlsym( a, b )
#    define DYNLIB_UNLOAD( a ) dlclose( a )
#    define DYNLIB_ERROR( ) dlerror( )

#elif defined(__APPLE_CC__)
#    define DYNLIB_HANDLE CFBundleRef
#    define DYNLIB_LOAD( a ) mac_loadExeBundle( a )
#    define DYNLIB_GETSYM( a, b ) mac_getBundleSym( a, b )
#    define DYNLIB_UNLOAD( a ) mac_unloadExeBundle( a )
#    define DYNLIB_ERROR( ) mac_errorBundle()
#endif

// Start of CEGUI namespace section
namespace CEGUI
{
class CEGUIEXPORT DynamicModule
{
public:
    DynamicModule(const String& name);

    ~DynamicModule();

    const String& getModuleName() const;

    void* getSymbolAddress(const String& symbol) const;

private:
    String getFailureString() const;

    String d_moduleName;
    DYNLIB_HANDLE d_handle;
};

} // End of  CEGUI namespace section

#endif // end of guard _CEGUIDynamicModule_h_