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132 lines
3.7 KiB
132 lines
3.7 KiB
/****************************************************************************
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**
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** Implementation of QTextCodecFactory class
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**
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** Created : 010130
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the tools module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "qtextcodecfactory.h"
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#ifndef QT_NO_TEXTCODEC
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#ifndef QT_NO_COMPONENT
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#include "qapplication.h"
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#include "qcleanuphandler.h"
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#include <private/qpluginmanager_p.h>
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#include "qtextcodecinterface_p.h"
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#ifdef QT_THREAD_SUPPORT
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# include <private/qmutexpool_p.h>
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#endif // QT_THREAD_SUPPORT
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#include <stdlib.h>
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static QPluginManager<QTextCodecFactoryInterface> *manager = 0;
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static QSingleCleanupHandler< QPluginManager<QTextCodecFactoryInterface> > cleanup_manager;
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static void create_manager()
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{
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if ( manager ) // already created
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return;
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#ifdef QT_THREAD_SUPPORT
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// protect manager creation
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QMutexLocker locker( qt_global_mutexpool ?
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qt_global_mutexpool->get( &manager ) : 0);
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// we check the manager pointer again to make sure that another thread
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// has not created the manager before us.
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if ( manager ) // already created
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return;
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#endif
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manager =
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new QPluginManager<QTextCodecFactoryInterface>(IID_QTextCodecFactory,
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QApplication::libraryPaths(), "/codecs",
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FALSE);
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Q_CHECK_PTR( manager );
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cleanup_manager.set( &manager );
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}
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#endif // QT_NO_COMPONENT
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QTextCodec *QTextCodecFactory::createForName(const QString &name)
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{
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QTextCodec *codec = 0;
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#ifndef QT_NO_COMPONENT
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// make sure the manager is created
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create_manager();
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QInterfacePtr<QTextCodecFactoryInterface> iface;
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manager->queryInterface(name, &iface );
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if (iface)
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codec = iface->createForName(name);
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#endif // QT_NO_COMPONENT
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return codec;
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}
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QTextCodec *QTextCodecFactory::createForMib(int mib)
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{
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QTextCodec *codec = 0;
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#ifndef QT_NO_COMPONENT
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// make sure the manager is created
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create_manager();
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QInterfacePtr<QTextCodecFactoryInterface> iface;
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manager->queryInterface("MIB-" + QString::number(mib), &iface );
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if (iface)
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codec = iface->createForMib(mib);
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#endif // QT_NO_COMPONENT
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return codec;
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}
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#endif // QT_NO_TEXTCODEC
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