[690] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #ifndef _DynLib_H__
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| 26 | #define _DynLib_H__
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| 27 |
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| 28 | #include "OgrePrerequisites.h"
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| 29 |
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| 30 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
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| 31 | # define DYNLIB_HANDLE hInstance
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| 32 | # define DYNLIB_LOAD( a ) LoadLibrary( a )
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| 33 | # define DYNLIB_GETSYM( a, b ) GetProcAddress( a, b )
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| 34 | # define DYNLIB_UNLOAD( a ) !FreeLibrary( a )
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| 35 |
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| 36 | struct HINSTANCE__;
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| 37 | typedef struct HINSTANCE__* hInstance;
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| 38 |
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| 39 | #elif OGRE_PLATFORM == OGRE_PLATFORM_LINUX
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| 40 | # define DYNLIB_HANDLE void*
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| 41 | # define DYNLIB_LOAD( a ) dlopen( a, RTLD_LAZY )
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| 42 | # define DYNLIB_GETSYM( a, b ) dlsym( a, b )
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| 43 | # define DYNLIB_UNLOAD( a ) dlclose( a )
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| 44 |
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| 45 | #elif OGRE_PLATFORM == OGRE_PLATFORM_APPLE
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| 46 | # define DYNLIB_HANDLE CFBundleRef
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| 47 | # define DYNLIB_LOAD( a ) mac_loadExeBundle( a )
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| 48 | # define DYNLIB_GETSYM( a, b ) mac_getBundleSym( a, b )
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| 49 | # define DYNLIB_UNLOAD( a ) mac_unloadExeBundle( a )
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| 50 | #endif
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| 51 |
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| 52 | namespace Ogre {
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| 53 |
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| 54 | /** Resource holding data about a dynamic library.
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| 55 | @remarks
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| 56 | This class holds the data required to get symbols from
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| 57 | libraries loaded at run-time (i.e. from DLL's for so's)
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| 58 | @author
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| 59 | Adrian Cearnãu (cearny@cearny.ro)
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| 60 | @since
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| 61 | 27 January 2002
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| 62 | @see
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| 63 | Resource
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| 64 | */
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| 65 | class _OgreExport DynLib
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| 66 | {
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| 67 | protected:
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| 68 | String mName;
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| 69 | /// Gets the last loading error
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| 70 | String dynlibError(void);
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| 71 | public:
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| 72 | /** Default constructor - used by DynLibManager.
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| 73 | @warning
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| 74 | Do not call directly
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| 75 | */
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| 76 | DynLib( const String& name );
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| 77 |
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| 78 | /** Default destructor.
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| 79 | */
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| 80 | ~DynLib();
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| 81 |
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| 82 | /** Load the library
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| 83 | */
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| 84 | void load();
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| 85 | /** Unload the library
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| 86 | */
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| 87 | void unload();
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| 88 | /// Get the name of the library
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| 89 | const String& getName(void) const { return mName; }
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| 90 |
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| 91 | /**
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| 92 | Returns the address of the given symbol from the loaded library.
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| 93 | @param
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| 94 | strName The name of the symbol to search for
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| 95 | @returns
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| 96 | If the function succeeds, the returned value is a handle to
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| 97 | the symbol.
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| 98 | @par
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| 99 | If the function fails, the returned value is <b>NULL</b>.
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| 100 |
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| 101 | */
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| 102 | void* getSymbol( const String& strName ) const throw();
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| 103 |
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| 104 | protected:
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| 105 |
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| 106 | /// Handle to the loaded library.
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| 107 | DYNLIB_HANDLE m_hInst;
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| 108 | };
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| 109 |
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| 110 | }
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| 111 |
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| 112 | #endif
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