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CEGUIDynamicModule.h
1 /***********************************************************************
2  filename: CEGUIDynamicModule.h
3  created: Tue Mar 7 2006
4  author: Paul D Turner <paul@cegui.org.uk>
5 *************************************************************************/
6 /***************************************************************************
7  * Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining
10  * a copy of this software and associated documentation files (the
11  * "Software"), to deal in the Software without restriction, including
12  * without limitation the rights to use, copy, modify, merge, publish,
13  * distribute, sublicense, and/or sell copies of the Software, and to
14  * permit persons to whom the Software is furnished to do so, subject to
15  * the following conditions:
16  *
17  * The above copyright notice and this permission notice shall be
18  * included in all copies or substantial portions of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26  * OTHER DEALINGS IN THE SOFTWARE.
27  ***************************************************************************/
28 #ifndef _CEGUIDynamicModule_h_
29 #define _CEGUIDynamicModule_h_
30 
31 #include "CEGUIString.h"
32 
33 /*************************************************************************
34  The following is basically taken from DynLib.h, which is part of
35  the Ogre project (http://www.ogre3d.org/)
36 *************************************************************************/
37 #if defined(__WIN32__) || defined(_WIN32)
38 # define DYNLIB_HANDLE hInstance
39 # define DYNLIB_LOAD( a ) LoadLibrary( a )
40 # define DYNLIB_GETSYM( a, b ) GetProcAddress( a, b )
41 # define DYNLIB_UNLOAD( a ) !FreeLibrary( a )
42 
43  struct HINSTANCE__;
44  typedef struct HINSTANCE__* hInstance;
45 
46 #elif defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__HAIKU__)
47 # define DYNLIB_HANDLE void*
48 # define DYNLIB_LOAD( a ) dlopen( a, RTLD_LAZY )
49 # define DYNLIB_GETSYM( a, b ) dlsym( a, b )
50 # define DYNLIB_UNLOAD( a ) dlclose( a )
51 # define DYNLIB_ERROR( ) dlerror( )
52 
53 #elif defined(__APPLE_CC__)
54 # define DYNLIB_HANDLE CFBundleRef
55 # define DYNLIB_LOAD( a ) mac_loadExeBundle( a )
56 # define DYNLIB_GETSYM( a, b ) mac_getBundleSym( a, b )
57 # define DYNLIB_UNLOAD( a ) mac_unloadExeBundle( a )
58 # define DYNLIB_ERROR( ) mac_errorBundle()
59 #endif
60 
61 // Start of CEGUI namespace section
62 namespace CEGUI
63 {
69 class CEGUIEXPORT DynamicModule
70 {
71 public:
83  DynamicModule(const String& name);
84 
93  ~DynamicModule();
94 
99  const String& getModuleName() const;
100 
114  void* getSymbolAddress(const String& symbol) const;
115 
116 private:
122  String getFailureString() const;
123 
125  String d_moduleName;
127  DYNLIB_HANDLE d_handle;
128 };
129 
130 } // End of CEGUI namespace section
131 
132 #endif // end of guard _CEGUIDynamicModule_h_