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 /*
     This file is part of the KDE project
     SPDX-FileCopyrightText: 2009 David Faure <faure@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 
 #ifndef KSYCOCADEVICES_P_H
 #define KSYCOCADEVICES_P_H
 
 #include <config-ksycoca.h>
 #include <stdlib.h>
 // TODO: remove mmap() from kdewin32 and use QFile::mmap() when needed
 #ifdef Q_OS_WIN
 #define HAVE_MMAP 0
 #endif
 
 class QString;
 class QDataStream;
 class QBuffer;
 class QFile;
 class QIODevice;
 class KMemFile;
 
 class KSycocaAbstractDevice
 {
 public:
     KSycocaAbstractDevice()
         : m_stream(nullptr)
     {
     }
 
     virtual ~KSycocaAbstractDevice();
 
     virtual QIODevice *device() = 0;
 
     QDataStream *&stream();
 
 private:
     QDataStream *m_stream;
 };
 
 #if HAVE_MMAP
 // Reading from a mmap'ed file
 class KSycocaMmapDevice : public KSycocaAbstractDevice
 {
 public:
     KSycocaMmapDevice(const char *sycoca_mmap, size_t sycoca_size);
     ~KSycocaMmapDevice() override;
     QIODevice *device() override;
 
 private:
     QBuffer *m_buffer;
 };
 #endif
 
 // Reading from a QFile
 class KSycocaFileDevice : public KSycocaAbstractDevice
 {
 public:
     explicit KSycocaFileDevice(const QString &path);
     ~KSycocaFileDevice() override;
     QIODevice *device() override;
 
 private:
     QFile *m_database;
 };
 
 #ifndef QT_NO_SHAREDMEMORY
 // Reading from a KMemFile
 class KSycocaMemFileDevice : public KSycocaAbstractDevice
 {
 public:
     explicit KSycocaMemFileDevice(const QString &path);
     ~KSycocaMemFileDevice() override;
     QIODevice *device() override;
 
 private:
     KMemFile *m_database;
 };
 #endif
 
 // Reading from a dummy memory buffer
 class KSycocaBufferDevice : public KSycocaAbstractDevice
 {
 public:
     KSycocaBufferDevice();
     ~KSycocaBufferDevice() override;
     QIODevice *device() override;
 
 private:
     QBuffer *m_buffer;
 };
 
 #endif /* KSYCOCADEVICES_P_H */