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/****************************************************************************
**
** Implementation of TQTextCodecPlugin class
**
** Created : 010920
**
** Copyright (C) 2001-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the tools module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing retquirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#include "qtextcodecplugin.h"
#ifndef QT_NO_TEXTCODECPLUGIN
#include "qtextcodecinterface_p.h"
/*!
\class TQTextCodecPlugin qtextcodecplugin.h
\brief The TQTextCodecPlugin class provides an abstract base for custom TQTextCodec plugins.
\reentrant
\ingroup plugins
The text codec plugin is a simple plugin interface that makes it
easy to create custom text codecs that can be loaded dynamically
into applications.
Writing a text codec plugin is achieved by subclassing this base
class, reimplementing the pure virtual functions names(),
createForName(), mibEnums() and createForMib(), and exporting the
class with the \c Q_EXPORT_PLUGIN macro. See the \link
plugins-howto.html TQt Plugins documentation \endlink for details.
See the \link http://www.iana.org/assignments/character-sets IANA
character-sets encoding file\endlink for more information on mime
names and mib enums.
*/
/*!
\fn TQStringList TQTextCodecPlugin::names() const
Returns the list of mime names supported by this plugin.
\sa createForName()
*/
/*!
\fn TQTextCodec *TQTextCodecPlugin::createForName( const TQString &name );
Creates a TQTextCodec object for the codec called \a name.
\sa names()
*/
/*!
\fn TQValueList<int> TQTextCodecPlugin::mibEnums() const
Returns the list of mib enums supported by this plugin.
\sa createForMib()
*/
/*!
\fn TQTextCodec *TQTextCodecPlugin::createForMib( int mib );
Creates a TQTextCodec object for the mib enum \a mib.
(See \link
ftp://ftp.isi.edu/in-notes/iana/assignments/character-sets the
IANA character-sets encoding file\endlink for more information)
\sa mibEnums()
*/
class TQTextCodecPluginPrivate : public TQTextCodecFactoryInterface
{
public:
TQTextCodecPluginPrivate( TQTextCodecPlugin *p )
: plugin( p )
{
}
virtual ~TQTextCodecPluginPrivate();
TQRESULT queryInterface( const TQUuid &iid, TQUnknownInterface **iface );
Q_REFCOUNT;
TQStringList featureList() const;
TQTextCodec *createForMib( int mib );
TQTextCodec *createForName( const TQString &name );
private:
TQTextCodecPlugin *plugin;
};
TQTextCodecPluginPrivate::~TQTextCodecPluginPrivate()
{
delete plugin;
}
TQRESULT TQTextCodecPluginPrivate::queryInterface( const TQUuid &iid, TQUnknownInterface **iface )
{
*iface = 0;
if ( iid == IID_QUnknown )
*iface = this;
else if ( iid == IID_QFeatureList )
*iface = this;
else if ( iid == IID_QTextCodecFactory )
*iface = this;
else
return TQE_NOINTERFACE;
(*iface)->addRef();
return TQS_OK;
}
TQStringList TQTextCodecPluginPrivate::featureList() const
{
TQStringList keys = plugin->names();
TQValueList<int> mibs = plugin->mibEnums();
for ( TQValueList<int>::Iterator it = mibs.begin(); it != mibs.end(); ++it )
keys += TQString("MIB-%1").arg( *it );
return keys;
}
TQTextCodec *TQTextCodecPluginPrivate::createForMib( int mib )
{
return plugin->createForMib( mib );
}
TQTextCodec *TQTextCodecPluginPrivate::createForName( const TQString &name )
{
return plugin->createForName( name );
}
/*!
Constructs a text codec plugin. This is invoked automatically by
the \c Q_EXPORT_PLUGIN macro.
*/
TQTextCodecPlugin::TQTextCodecPlugin()
: TQGPlugin( d = new TQTextCodecPluginPrivate( this ) )
{
}
/*!
Destroys the text codec plugin.
You never have to call this explicitly. TQt destroys a plugin
automatically when it is no longer used.
*/
TQTextCodecPlugin::~TQTextCodecPlugin()
{
}
#endif // QT_NO_TEXTCODECPLUGIN
|
