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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#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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