File indexing completed on 2024-06-16 04:50:14

 /*
     SPDX-FileCopyrightText: 2007 Till Adam <adam@kde.org>
     SPDX-FileCopyrightText: 2007 Volker Krause <vkrause@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #pragma once
 
 #include <QByteArray>
 #include <QSet>
 
 #include "akonaditests_export.h"
 
 #include "itemserializerplugin.h"
 
 #include <memory>
 
 class QIODevice;
 
 namespace Akonadi
 {
 class Item;
 
 /**
   @internal
   Serialization/Deserialization of item parts, serializer plugin management.
 */
 class AKONADI_TESTS_EXPORT ItemSerializer
 {
 public:
     enum PayloadStorage {
         Internal,
         External,
         Foreign,
     };
 
     /** throws ItemSerializerException on failure */
     static void deserialize(Item &item, const QByteArray &label, const QByteArray &data, int version, PayloadStorage storage);
     /** 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);
 
     /**
      * Returns list of parts of the item payload that can be stored using
      * foreign payload.
      *
      * @since 5.7
      */
     static QSet<QByteArray> allowedForeignParts(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 &item, const QByteArray &label, QIODevice &data, int version) override;
     void serialize(const Item &item, const QByteArray &label, QIODevice &data, int &version) override;
 };
 
 /**
  @internal
  Serializer plugin implementation for std::string
 */
 class StdStringItemSerializerPlugin : public QObject, public ItemSerializerPlugin
 {
     Q_OBJECT
     Q_INTERFACES(Akonadi::ItemSerializerPlugin)
 public:
     bool deserialize(Item &item, const QByteArray &label, QIODevice &data, int version) override;
     void serialize(const Item &item, const QByteArray &label, QIODevice &data, int &version) override;
 };
 
 }