kde-playground/kdepimlibs/akonadi/itemserializer_p.h
Ivailo Monev a9b00154bc generic: replace forward class declarations with header inclusions
Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>
2019-07-31 18:05:48 +00:00

129 lines
4 KiB
C++

/*
Copyright (c) 2007 Till Adam <adam@kde.org>
Copyright (c) 2007 Volker Krause <vkrause@kde.org>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#ifndef AKONADI_ITEM_SERIALIZER_P_H
#define AKONADI_ITEM_SERIALIZER_P_H
#include <QtCore/QByteArray>
#include <QtCore/QSet>
#include "akonadiprivate_export.h"
#include "itemserializerplugin.h"
#include <memory>
#include <QIODevice>
namespace Akonadi {
class Item;
/**
@internal
Serialization/Deserialization of item parts, serializer plugin management.
*/
class AKONADI_TESTS_EXPORT ItemSerializer
{
public:
/** throws ItemSerializerException on failure */
static void deserialize(Item &item, const QByteArray &label, const QByteArray &data, int version, bool external);
/** throws ItemSerializerException on failure */
static void deserialize(Item &item, const QByteArray &label, QIODevice &data, int version);
/** throws ItemSerializerException on failure */
static void serialize(const Item &item, const QByteArray &label, QByteArray &data, int &version);
/** throws ItemSerializerException on failure */
static void serialize(const Item &item, const QByteArray &label, QIODevice &data, int &version);
/**
* Throws ItemSerializerException on failure.
* @param item the item to apply to
* @param other the item to get values from
* @since 4.4
*/
static void apply(Item &item, const Item &other);
/**
* Returns a list of parts available in the item payload.
*/
static QSet<QByteArray> parts(const Item &item);
/**
* Returns a list of parts available remotely in the item payload.
* @param item the item for which to list payload parts
* @since 4.4
*/
static QSet<QByteArray> availableParts(const Item &item);
/**
* Tries to convert the payload in \a item into type with
* metatype-id \a metaTypeId.
* Throws ItemSerializerException or returns an Item w/o payload on failure.
* @param item the item to convert
* @param metaTypeID the meta type id used to convert items payload
* @since 4.6
*/
static Item convert(const Item &item, int metaTypeId);
/**
* Override the plugin-lookup with @p plugin.
*
* After calling this each lookup will always return @p plugin.
* This is useful to inject a special plugin for testing purposes.
* To reset the plugin, set to 0.
*
* @since 4.12
*/
static void overridePluginLookup(QObject *plugin);
};
/**
@internal
Default implementation for serializer plugin.
*/
class DefaultItemSerializerPlugin : public QObject, public ItemSerializerPlugin
{
Q_OBJECT
Q_INTERFACES(Akonadi::ItemSerializerPlugin)
public:
DefaultItemSerializerPlugin();
bool deserialize(Item &, const QByteArray &, QIODevice &, int);
void serialize(const Item &, const QByteArray &, QIODevice &, int &);
};
/**
@internal
Serializer plugin implementation for std::string
*/
class StdStringItemSerializerPlugin : public QObject, public ItemSerializerPlugin
{
Q_OBJECT
Q_INTERFACES(Akonadi::ItemSerializerPlugin)
public:
StdStringItemSerializerPlugin();
bool deserialize(Item &, const QByteArray &, QIODevice &, int);
void serialize(const Item &, const QByteArray &, QIODevice &, int &);
};
}
#endif