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142 lines
4.8 KiB
142 lines
4.8 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QPLUGIN_H
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#define QPLUGIN_H
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#include <QtCore/qobject.h>
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#include <QtCore/qpointer.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Core)
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#ifndef Q_EXTERN_C
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# ifdef __cplusplus
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# define Q_EXTERN_C extern "C"
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# else
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# define Q_EXTERN_C extern
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# endif
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#endif
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typedef QObject *(*QtPluginInstanceFunction)();
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void Q_CORE_EXPORT qRegisterStaticPluginInstanceFunction(QtPluginInstanceFunction function);
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#define Q_IMPORT_PLUGIN(PLUGIN) \
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extern QT_PREPEND_NAMESPACE(QObject) *qt_plugin_instance_##PLUGIN(); \
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class Static##PLUGIN##PluginInstance{ \
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public: \
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Static##PLUGIN##PluginInstance() { \
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qRegisterStaticPluginInstanceFunction(qt_plugin_instance_##PLUGIN); \
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} \
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}; \
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static Static##PLUGIN##PluginInstance static##PLUGIN##Instance;
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#define Q_PLUGIN_INSTANCE(IMPLEMENTATION) \
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{ \
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static QT_PREPEND_NAMESPACE(QPointer)<QT_PREPEND_NAMESPACE(QObject)> _instance; \
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if (!_instance) \
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_instance = new IMPLEMENTATION; \
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return _instance; \
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}
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# define Q_EXPORT_PLUGIN(PLUGIN) \
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Q_EXPORT_PLUGIN2(PLUGIN, PLUGIN)
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# define Q_EXPORT_STATIC_PLUGIN(PLUGIN) \
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Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGIN)
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#if defined(QT_STATICPLUGIN)
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# define Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS) \
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QT_PREPEND_NAMESPACE(QObject) \
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*qt_plugin_instance_##PLUGIN() \
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Q_PLUGIN_INSTANCE(PLUGINCLASS)
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# define Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGINCLASS) \
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Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS)
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#else
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// NOTE: if you change pattern, you MUST change the pattern in
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// qlibrary.cpp as well. changing the pattern will break all
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// backwards compatibility as well (no old plugins will be loaded).
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# ifdef QPLUGIN_DEBUG_STR
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# undef QPLUGIN_DEBUG_STR
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# endif
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# ifdef QT_NO_DEBUG
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# define QPLUGIN_DEBUG_STR "false"
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# else
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# define QPLUGIN_DEBUG_STR "true"
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# endif
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# define Q_PLUGIN_VERIFICATION_DATA \
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static const char *qt_plugin_verification_data = \
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"pattern=""QT_PLUGIN_VERIFICATION_DATA""\n" \
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"version="QT_VERSION_STR"\n" \
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"debug="QPLUGIN_DEBUG_STR"\n" \
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"buildkey="QT_BUILD_KEY;
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# if defined (Q_OS_WIN32) && defined(Q_CC_BOR)
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# define Q_STANDARD_CALL __stdcall
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# else
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# define Q_STANDARD_CALL
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# endif
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# define Q_EXPORT_PLUGIN2(PLUGIN, PLUGINCLASS) \
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Q_PLUGIN_VERIFICATION_DATA \
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Q_EXTERN_C Q_DECL_EXPORT \
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const char * Q_STANDARD_CALL qt_plugin_query_verification_data() \
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{ return qt_plugin_verification_data; } \
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Q_EXTERN_C Q_DECL_EXPORT QT_PREPEND_NAMESPACE(QObject) * Q_STANDARD_CALL qt_plugin_instance() \
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Q_PLUGIN_INSTANCE(PLUGINCLASS)
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# define Q_EXPORT_STATIC_PLUGIN2(PLUGIN, PLUGINCLASS)
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#endif
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // Q_PLUGIN_H
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