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https://github.com/cmclark00/retro-imager.git
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51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
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#ifndef DEVICEWRAPPER_H
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#define DEVICEWRAPPER_H
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/*
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* SPDX-License-Identifier: Apache-2.0
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* Copyright (C) 2022 Raspberry Pi Ltd
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*/
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#include <QObject>
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#include <QMap>
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#include <QFile>
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class DeviceWrapperBlockCacheEntry;
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class DeviceWrapperFatPartition;
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#ifdef Q_OS_WIN
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#include "windows/winfile.h"
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typedef WinFile DeviceWrapperFile;
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#elif defined(Q_OS_DARWIN)
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#include "mac/macfile.h"
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typedef MacFile DeviceWrapperFile;
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#else
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typedef QFile DeviceWrapperFile;
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#endif
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class DeviceWrapper : public QObject
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{
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Q_OBJECT
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public:
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explicit DeviceWrapper(DeviceWrapperFile *file, QObject *parent = nullptr);
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virtual ~DeviceWrapper();
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void sync();
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void pwrite(const char *buf, quint64 size, quint64 offset);
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void pread(char *buf, quint64 size, quint64 offset);
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DeviceWrapperFatPartition *fatPartition(int nr);
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protected:
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bool _dirty;
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QMap<quint64,DeviceWrapperBlockCacheEntry *> _blockcache;
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DeviceWrapperFile *_file;
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void _readIntoBlockCacheIfNeeded(quint64 offset, quint64 size);
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void _seekToBlock(quint64 blockNr);
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signals:
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};
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#endif // DEVICEWRAPPER_H
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