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69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/*
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Copyright (c) 2007 Till Adam <adam@kde.org>
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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*/
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#ifndef __AKONADI_SERIALIZER_MAIL_H__
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#define __AKONADI_SERIALIZER_MAIL_H__
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#include <QtCore/QObject>
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#include <QtCore/QMutex>
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#include <akonadi/itemserializerplugin.h>
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#include <akonadi/gidextractorinterface.h>
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namespace Akonadi {
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/**
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* Levare QString implicit sharing to decrease memory consumption.
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*
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* This class is thread safe. Apparenlty required for usage in
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* legacy KRes compat bridges.
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*/
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class StringPool
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{
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public:
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/**
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* Lookup @p value in the pool and return the known value
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* to reuse it and leverage the implicit sharing. Otherwise
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* add the value to the pool and return it again.
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*/
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QString sharedValue(const QString& value);
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private:
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QMutex m_mutex;
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QSet<QString> m_pool;
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};
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class SerializerPluginMail : public QObject, public ItemSerializerPlugin, public GidExtractorInterface
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{
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Q_OBJECT
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Q_INTERFACES( Akonadi::ItemSerializerPlugin Akonadi::GidExtractorInterface)
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public:
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bool deserialize( Item& item, const QByteArray& label, QIODevice& data, int version );
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void serialize( const Item& item, const QByteArray& label, QIODevice& data, int &version );
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QSet<QByteArray> parts( const Item &item ) const;
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QString extractGid(const Item& item) const;
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private:
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StringPool m_stringPool;
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};
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}
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#endif
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