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 /* Copyright (C) 2006 - 2014 Jan Kundrát <jkt@flaska.net>
 
    This file is part of the Trojita Qt IMAP e-mail client,
    http://trojita.flaska.net/
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of
    the License or (at your option) version 3 or any later version
    accepted by the membership of KDE e.V. (or its successor approved
    by the membership of KDE e.V.), which shall act as a proxy
    defined in Section 14 of version 3 of the license.
 
    This program 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 General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #ifndef IMAP_DATA_H
 #define IMAP_DATA_H
 
 #include <QTextStream>
 
 /** @short Namespace for IMAP interaction */
 namespace Imap
 {
 
 /** @short IMAP server responses */
 namespace Responses
 {
 
 /** @short Parent of all "Response Code Data" classes
  *
  * More information available in AbstractData's documentation.
  * */
 class AbstractData
 {
 public:
     virtual ~AbstractData();
     virtual QTextStream &dump(QTextStream &) const = 0;
     virtual bool eq(const AbstractData &other) const = 0;
 };
 
 /** @short Storage for "Response Code Data"
  *
  * In IMAP, each status response might contain some additional information
  * called "Response Code" and associated data. These data come in several
  * shapes and this class servers as a storage for them, as a kind of
  * QVariant-like wrapper around real data.
  * */
 template<class T> class RespData : public AbstractData
 {
 public:
     T data;
     RespData(const T &_data) : data(_data) {};
     QTextStream &dump(QTextStream &s) const override;
     bool eq(const AbstractData &other) const override;
 };
 
 /** Explicit specialization for void as we can't define a void member of a
  * class */
 template<> class RespData<void> : public AbstractData
 {
 public:
     QTextStream &dump(QTextStream &s) const override { return s; };
     bool eq(const AbstractData &other) const override;
 };
 
 
 QTextStream &operator<<(QTextStream &stream, const AbstractData &resp);
 
 inline bool operator==(const AbstractData &first, const AbstractData &other)
 {
     return first.eq(other);
 }
 
 inline bool operator!=(const AbstractData &first, const AbstractData &other)
 {
     return !first.eq(other);
 }
 
 }
 
 }
 
 #endif /* IMAP_DATA_H */