/***************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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** Contact:  Qt Software Information (qt-info@nokia.com)
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** alternatively, in accordance with the terms contained in a written
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** GNU General Public License Usage 
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** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file.  Please review the following information to ensure GNU
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***************************************************************************/
#ifndef PERSISTENTSETTINGS_H
#define PERSISTENTSETTINGS_H

#include "projectexplorer_export.h"

#include <QtCore/QMap>
#include <QtCore/QVariant>
#include <QtXml/QDomElement>

namespace ProjectExplorer {

class PROJECTEXPLORER_EXPORT PersistentSettingsReader
{
public:
    PersistentSettingsReader();
    QVariant restoreValue(const QString & variable) const;
    bool load(const QString & fileName);
    void setPrefix(const QString &prefix);
    QString prefix() const;
private:
    QString m_prefix;
    QVariant readValue(const QDomElement &valElement) const;
    void readValues(const QDomElement &data);
    QMap<QString, QVariant> m_valueMap;
};

class PROJECTEXPLORER_EXPORT PersistentSettingsWriter
{
public:
    PersistentSettingsWriter();
    void saveValue(const QString & variable, const QVariant &value);
    bool save(const QString & fileName, const QString & docType);
    void setPrefix(const QString &prefix);
    QString prefix() const;
private:
    QString m_prefix;
    void writeValue(QDomElement &ps, const QVariant &value);
    QMap<QString, QVariant> m_valueMap;
};

} //namespace ProjectExplorer

#endif //PERSISTENTSETTINGS_H