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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef BACKENDS_PLUGINS_DYNAMICPLUGIN_H
#define BACKENDS_PLUGINS_DYNAMICPLUGIN_H
#include "base/plugins.h"
#include "engines/metaengine.h"
class DynamicPlugin : public Plugin {
protected:
typedef void (*VoidFunc)();
typedef MetaEngine *(*MetaAllocFunc)();
virtual VoidFunc findSymbol(const char *symbol) = 0;
public:
virtual bool loadPlugin() {
// Query the plugin's name
MetaAllocFunc metaAlloc = (MetaAllocFunc)findSymbol("PLUGIN_MetaEngine_alloc");
if (!metaAlloc) {
unloadPlugin();
return false;
}
_metaengine = metaAlloc();
if (!_metaengine) {
unloadPlugin();
return false;
}
return true;
}
virtual void unloadPlugin() {
delete _metaengine;
}
};
#endif
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