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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "core_global.h"
#include <QObject>
#include <QString>
#include <QStringList>
#include <QVariant>
namespace Core {
namespace Internal { class SettingsDatabasePrivate; }
class CORE_EXPORT SettingsDatabase : public QObject
{
public:
SettingsDatabase(const QString &path, const QString &application, QObject *parent = nullptr);
~SettingsDatabase() override;
void setValue(const QString &key, const QVariant &value);
QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
template<typename T>
void setValueWithDefault(const QString &key, const T &val, const T &defaultValue);
template<typename T>
void setValueWithDefault(const QString &key, const T &val);
bool contains(const QString &key) const;
void remove(const QString &key);
void beginGroup(const QString &prefix);
void endGroup();
QString group() const;
QStringList childKeys() const;
void beginTransaction();
void endTransaction();
void sync();
private:
Internal::SettingsDatabasePrivate *d;
};
template<typename T>
void SettingsDatabase::setValueWithDefault(const QString &key, const T &val, const T &defaultValue)
{
if (val == defaultValue)
remove(key);
else
setValue(key, QVariant::fromValue(val));
}
template<typename T>
void SettingsDatabase::setValueWithDefault(const QString &key, const T &val)
{
if (val == T())
remove(key);
else
setValue(key, QVariant::fromValue(val));
}
} // namespace Core
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