source: OGRE/trunk/ogrenew/OgreMain/src/OgreDynLib.cpp @ 692

Revision 692, 4.3 KB checked in by mattausch, 19 years ago (diff)

adding ogre 1.2 and dependencies

RevLine 
[692]1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4    (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2005 The OGRE Team
8Also see acknowledgements in Readme.html
9
10This program is free software; you can redistribute it and/or modify it under
11the terms of the GNU Lesser General Public License as published by the Free Software
12Foundation; either version 2 of the License, or (at your option) any later
13version.
14
15This program is distributed in the hope that it will be useful, but WITHOUT
16ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19You should have received a copy of the GNU Lesser General Public License along with
20this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22http://www.gnu.org/copyleft/lesser.txt.
23-----------------------------------------------------------------------------
24*/
25#include "OgreStableHeaders.h"
26
27#include "OgreDynLib.h"
28
29#include "OgreException.h"
30#include "OgreLogManager.h"
31
32#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
33#   define WIN32_LEAN_AND_MEAN
34#   include <windows.h>
35#endif
36
37#if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
38#   include "macPlugins.h"
39#endif
40
41
42namespace Ogre {
43
44    //-----------------------------------------------------------------------
45    DynLib::DynLib( const String& name )
46    {
47        OgreGuard("DynLib::DynLib");
48
49        mName = name;
50        m_hInst = NULL;
51
52        OgreUnguard();
53    }
54
55    //-----------------------------------------------------------------------
56    DynLib::~DynLib()
57    {
58    }
59
60    //-----------------------------------------------------------------------
61    void DynLib::load()
62    {
63        OgreGuard("DynLib::load");
64
65        // Log library load
66        LogManager::getSingleton().logMessage("Loading library " + mName);
67
68                std::string name = mName;
69#if OGRE_PLATFORM == OGRE_PLATFORM_LINUX
70        // dlopen() does not add .so to the filename, like windows does for .dll
71        if (name.substr(name.length() - 3, 3) != ".so")
72           name += ".so";
73#endif
74
75        m_hInst = (DYNLIB_HANDLE)DYNLIB_LOAD( name.c_str() );
76
77        if( !m_hInst )
78            OGRE_EXCEPT(
79                Exception::ERR_INTERNAL_ERROR,
80                "Could not load dynamic library " + mName +
81                ".  System Error: " + dynlibError(),
82                "DynLib::load" );
83
84        OgreUnguard();
85    }
86
87    //-----------------------------------------------------------------------
88    void DynLib::unload()
89    {
90        OgreGuard("DynLib::unload");
91
92        // Log library unload
93        LogManager::getSingleton().logMessage("Unloading library " + mName);
94
95        if( DYNLIB_UNLOAD( m_hInst ) )
96                {
97            OGRE_EXCEPT(
98                Exception::ERR_INTERNAL_ERROR,
99                "Could not unload dynamic library " + mName +
100                ".  System Error: " + dynlibError(),
101                "DynLib::unload");
102                }
103
104        OgreUnguard();
105    }
106
107    //-----------------------------------------------------------------------
108    void* DynLib::getSymbol( const String& strName ) const throw()
109    {
110        return (void*)DYNLIB_GETSYM( m_hInst, strName.c_str() );
111    }
112    //-----------------------------------------------------------------------
113    String DynLib::dynlibError( void )
114    {
115#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
116        LPVOID lpMsgBuf;
117        FormatMessage(
118            FORMAT_MESSAGE_ALLOCATE_BUFFER |
119            FORMAT_MESSAGE_FROM_SYSTEM |
120            FORMAT_MESSAGE_IGNORE_INSERTS,
121            NULL,
122            GetLastError(),
123            MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
124            (LPTSTR) &lpMsgBuf,
125            0,
126            NULL
127            );
128        String ret = (char*)lpMsgBuf;
129        // Free the buffer.
130        LocalFree( lpMsgBuf );
131        return ret;
132#elif OGRE_PLATFORM == OGRE_PLATFORM_LINUX
133        return String(dlerror());
134#elif OGRE_PLATFORM == OGRE_PLATFORM_APPLE
135        return String(mac_errorBundle());
136#else
137        return String("");
138#endif
139    }
140
141}
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