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/*
* SPDX-FileCopyrightText: 2013-2016 Ivan Cukic <ivan.cukic@kde.org>
*
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#ifndef UTILS_QSQLQUERYITERATOR_H
#define UTILS_QSQLQUERYITERATOR_H
#include <QSqlQuery>
#include <QVariant>
template<typename ResultSet>
class NextValueIterator
{
public:
enum Type { NormalIterator, EndIterator };
NextValueIterator(ResultSet &query, Type type = NormalIterator)
: m_query(query)
, m_type(type)
{
if (type != EndIterator) {
m_query.next();
}
}
inline bool operator!=(const NextValueIterator<ResultSet> &other) const
{
Q_UNUSED(other);
return m_query.isValid();
}
inline NextValueIterator<ResultSet> &operator*()
{
return *this;
}
inline QVariant operator[](int index) const
{
return m_query.value(index);
}
inline QVariant operator[](const QString &name) const
{
return m_query.value(name);
}
inline NextValueIterator<ResultSet> &operator++()
{
m_query.next();
return *this;
}
private:
ResultSet &m_query;
Type m_type;
};
NextValueIterator<QSqlQuery> begin(QSqlQuery &query);
NextValueIterator<QSqlQuery> end(QSqlQuery &query);
#endif /* UTILS_QSQLQUERYITERATOR_H */
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