DiscCache.h

// SPDX-License-Identifier: LGPL-2.1-or-later
//
// SPDX-FileCopyrightText: 2007 Tobias Koenig <tokoe@kde.org>
//
 
#ifndef MARBLE_DISCCACHE_H
#define MARBLE_DISCCACHE_H
 
#include <QDateTime>
#include <QMap>
#include <QPair>
#include <QString>
 
class QByteArray;
 
namespace Marble
{
 
class DiscCache
{
public:
    explicit DiscCache(const QString &cacheDirectory);
    ~DiscCache();
 
    quint64 cacheLimit() const;
    void clear();
    bool exists(const QString &key) const;
    bool find(const QString &key, QByteArray &data);
    bool insert(const QString &key, const QByteArray &data);
    void remove(const QString &key);
    void setCacheLimit(quint64 n);
 
private:
    QString keyToFileName(const QString &) const;
    void cleanup();
 
    QString m_CacheDirectory;
    quint64 m_CacheLimit;
    quint64 m_CurrentCacheSize;
 
    using Entry = QPair<QDateTime, quint64>;
    QMap<QString, Entry> m_Entries;
};
 
}
 
#endif