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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef PROJECTMANAGER_USERFILEACCESSOR_H
#define PROJECTMANAGER_USERFILEACCESSOR_H
#include <QtCore/QVariantMap>
namespace ProjectExplorer {
class Project;
class UserFileVersionHandler
{
public:
UserFileVersionHandler();
virtual ~UserFileVersionHandler();
// The user file version this handler accepts for input.
virtual int userFileVersion() const = 0;
virtual QString displayUserFileVersion() const = 0;
// Update from userFileVersion() to userFileVersion() + 1
virtual QVariantMap update(Project *project, const QVariantMap &map) = 0;
protected:
typedef QPair<QLatin1String,QLatin1String> Change;
QVariantMap renameKeys(const QList<Change> &changes, QVariantMap map);
};
class UserFileAccessor
{
public:
UserFileAccessor();
~UserFileAccessor();
QVariantMap restoreSettings(Project * project);
bool saveSettings(Project * project, const QVariantMap &map);
int latestUserFileVersion() const;
QString mapIdTo(const QString &id, int version);
private:
// Takes ownership of the handler!
void addVersionHandler(UserFileVersionHandler *handler);
QMap<int, UserFileVersionHandler *> m_handlers;
int m_firstVersion;
int m_lastVersion;
};
} // namespace ProjectExplorer
#endif // PROJECTMANAGER_USERFILEACCESSOR_H
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