libyui

/data/gitorious.org/libyui/libyui-master/src/YUIPlugin.h

00001 /**************************************************************************
00002 Copyright (C) 2000 - 2010 Novell, Inc.
00003 All Rights Reserved.
00004 
00005 This program is free software; you can redistribute it and/or modify
00006 it under the terms of the GNU General Public License as published by
00007 the Free Software Foundation; either version 2 of the License, or
00008 (at your option) any later version.
00009 
00010 This program is distributed in the hope that it will be useful,
00011 but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 GNU General Public License for more details.
00014 
00015 You should have received a copy of the GNU General Public License along
00016 with this program; if not, write to the Free Software Foundation, Inc.,
00017 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00018 
00019 **************************************************************************/
00020 
00021 
00022 /*---------------------------------------------------------------------\
00023 |                                                                      |
00024 |                      __   __    ____ _____ ____                      |
00025 |                      \ \ / /_ _/ ___|_   _|___ \                     |
00026 |                       \ V / _` \___ \ | |   __) |                    |
00027 |                        | | (_| |___) || |  / __/                     |
00028 |                        |_|\__,_|____/ |_| |_____|                    |
00029 |                                                                      |
00030 |                               core system                            |
00031 |                                                        (C) SuSE GmbH |
00032 \----------------------------------------------------------------------/
00033 
00034   File:         YUIPlugin.h
00035 
00036   Author:       Stefan Hundhammer <sh@suse.de>
00037 
00038 /-*/
00039 
00040 
00041 #ifndef YUIPlugin_h
00042 #define YUIPlugin_h
00043 
00044 #define PLUGIN_PREFIX "libpy2"
00045 #define PLUGIN_SUFFIX ".so.2"
00046 
00047 #include <string>
00048 using std::string;
00049 
00050 
00054 class YUIPlugin
00055 {
00056 public:
00057 
00062     YUIPlugin( const char * pluginLibBaseName );
00063 
00071     virtual ~YUIPlugin();
00072 
00078     void unload();
00079 
00087     void * locateSymbol( const char * symbol );
00088 
00092     bool error() const;
00093 
00097     bool success() const;
00098 
00103     string errorMsg() const;
00104 
00105 protected:
00106 
00110     void * pluginLibHandle() { return _pluginLibHandle; }
00111 
00115     string pluginLibBaseName() const { return _pluginLibBaseName; }
00116 
00120     string pluginLibFullPath() const;
00121 
00125     void loadPluginLib();
00126 
00127 private:
00128 
00129     string      _pluginLibBaseName;
00130     void *      _pluginLibHandle;
00131     string      _errorMsg;
00132 };
00133 
00134 
00135 #endif // YUIPlugin_h
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