#ifndef DISKPARTITION_HH

#define DISKPARTITION_HH

#include "SectorBasedDisk.hh"

#include <memory>

namespace openmsx {

class DiskPartition final : public SectorBasedDisk

{

public:

	/** Return a partition (as a SectorBasedDisk) from another Disk.

	 * @param disk The whole disk.

	 * @param partition The partition number.

	 *        0 for the whole disk

	 *        >0 for a specific partition, this must be a valid partition.

	 * @param owned If specified it should be a shared_ptr to the Disk

	 *              object passed as first parameter. This DiskPartition

	 *              will then take (shared) ownership of that Disk.

	 */

	DiskPartition(SectorAccessibleDisk& disk, unsigned partition,

	              std::shared_ptr<SectorAccessibleDisk> owned = nullptr);

	DiskPartition(SectorAccessibleDisk& parent,

	              size_t start, size_t length);

private:

	void readSectorImpl (size_t sector,       SectorBuffer& buf) override;

	void writeSectorImpl(size_t sector, const SectorBuffer& buf) override;

	[[nodiscard]] bool isWriteProtectedImpl() const override;

private:

	SectorAccessibleDisk& parent;

	std::shared_ptr<SectorAccessibleDisk> owned;

	size_t start;

};

} // namespace openmsx

#endif