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CLK/Storage/Disk/Formats/AcornADF.hpp

51 lines
1.3 KiB
C++

//
// AcornADF.hpp
// Clock Signal
//
// Created by Thomas Harte on 25/09/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#ifndef AcornADF_hpp
#define AcornADF_hpp
#include "../Disk.hpp"
#include "../../FileHolder.hpp"
namespace Storage {
namespace Disk {
/*!
Provies a @c Disk containing an ADF disk image — a decoded sector dump of an Acorn ADFS disk.
*/
class AcornADF: public Disk, public Storage::FileHolder {
public:
/*!
Construct an @c AcornADF containing content from the file with name @c file_name.
@throws ErrorCantOpen if this file can't be opened.
@throws ErrorNotAcornADF if the file doesn't appear to contain an Acorn .ADF format image.
*/
AcornADF(const char *file_name);
~AcornADF();
enum {
ErrorNotAcornADF,
};
// implemented to satisfy @c Disk
unsigned int get_head_position_count();
unsigned int get_head_count();
bool get_is_read_only();
private:
void store_updated_track_at_position(unsigned int head, unsigned int position, const std::shared_ptr<Track> &track, std::mutex &file_access_mutex);
std::shared_ptr<Track> get_uncached_track_at_position(unsigned int head, unsigned int position);
long get_file_offset_for_position(unsigned int head, unsigned int position);
};
}
}
#endif /* AcornADF_hpp */