?? qplugin.h
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/******************************************************************************** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.**** This file is part of the QtCore module of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 as published by the Free Software Foundation** and appearing in the file LICENSE.GPL included in the packaging of** this file. Please review the following information to ensure GNU** General Public Licensing requirements will be met:** http://www.trolltech.com/products/qt/opensource.html**** If you are unsure which license is appropriate for your use, please** review the following information:** http://www.trolltech.com/products/qt/licensing.html or contact the** sales department at sales@trolltech.com.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifndef QPLUGIN_H#define QPLUGIN_H#include <QtCore/qobject.h>#include <QtCore/qpointer.h>QT_BEGIN_HEADERQT_MODULE(Core)#ifndef Q_EXTERN_C# ifdef __cplusplus# define Q_EXTERN_C extern "C"# else# define Q_EXTERN_C extern# endif#endiftypedef QObject *(*QtPluginInstanceFunction)();#define Q_IMPORT_PLUGIN(PLUGIN) \ class Static##PLUGIN##PluginInstance{ \ public: \ Static##PLUGIN##PluginInstance() { \ extern void qRegisterStaticPluginInstanceFunction(QtPluginInstanceFunction); \ extern QObject *qt_plugin_instance_##PLUGIN(); \ qRegisterStaticPluginInstanceFunction(qt_plugin_instance_##PLUGIN); \ } \ }; \ static Static##PLUGIN##PluginInstance static##PLUGIN##Instance;#define Q_PLUGIN_INSTANCE(IMPLEMENTATION) \ { \ static QPointer<IMPLEMENTATION> _instance; \ if (!_instance) \ _instance = new IMPLEMENTATION; \ return _instance; \ }# define Q_EXPORT_PLUGIN(PLUGIN) \ Q_EXPORT_PLUGIN2(PLUGIN, PLUGIN)# define Q_EXPORT_STATIC_PLUGIN(PLUGIN) \ Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGIN)#if defined(QT_STATICPLUGIN)# define Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS) \ Q_DECL_EXPORT QObject *qt_plugin_instance_##PLUGIN() \ Q_PLUGIN_INSTANCE(PLUGINCLASS)# define Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGINCLASS) \ Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS)#else// NOTE: if you change pattern, you MUST change the pattern in// qlibrary.cpp as well. changing the pattern will break all// backwards compatibility as well (no old plugins will be loaded).# ifdef QPLUGIN_DEBUG_STR# undef QPLUGIN_DEBUG_STR# endif# ifdef QT_NO_DEBUG# define QPLUGIN_DEBUG_STR "false"# else# define QPLUGIN_DEBUG_STR "true"# endif# define Q_PLUGIN_VERIFICATION_DATA \ static const char *qt_plugin_verification_data = \ "pattern=""QT_PLUGIN_VERIFICATION_DATA""\n" \ "version="QT_VERSION_STR"\n" \ "debug="QPLUGIN_DEBUG_STR"\n" \ "buildkey="QT_BUILD_KEY"\0";# if defined (Q_OS_WIN32) && defined(Q_CC_BOR)# define Q_STANDARD_CALL __stdcall# else# define Q_STANDARD_CALL# endif# define Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS) \ Q_PLUGIN_VERIFICATION_DATA \ Q_EXTERN_C Q_DECL_EXPORT \ const char * Q_STANDARD_CALL qt_plugin_query_verification_data() \ { return qt_plugin_verification_data; } \ Q_EXTERN_C Q_DECL_EXPORT QObject * Q_STANDARD_CALL qt_plugin_instance() \ Q_PLUGIN_INSTANCE(PLUGINCLASS)# define Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGINCLASS)#endifQT_END_HEADER#endif // Q_PLUGIN_H
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