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CLK/Storage/Disk/Formats/CPCDSK.hpp
Thomas Harte b5406b90cd Introduces a new class hierarchy for disk images.
Increasing independence of format-specific stuff and generic caching without mangling them into a common namespace, and allowing in some cases for a decrease in read/write blocking.
2017-09-22 20:28:11 -04:00

61 lines
1.3 KiB
C++

//
// CPCDSK.hpp
// Clock Signal
//
// Created by Thomas Harte on 05/08/2017.
// Copyright © 2017 Thomas Harte. All rights reserved.
//
#ifndef CPCDSK_hpp
#define CPCDSK_hpp
#include "../DiskImage.hpp"
#include "../../FileHolder.hpp"
#include <vector>
namespace Storage {
namespace Disk {
/*!
Provies a @c Disk containing an Amstrad CPC-stype disk image — some arrangement of sectors with status bits.
*/
class CPCDSK: public DiskImage, 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.
*/
CPCDSK(const char *file_name);
enum {
ErrorNotCPCDSK,
};
// implemented to satisfy @c Disk
unsigned int get_head_position_count();
unsigned int get_head_count();
bool get_is_read_only();
std::shared_ptr<Track> get_track_at_position(unsigned int head, unsigned int position);
private:
unsigned int head_count_;
unsigned int head_position_count_;
bool is_extended_;
// Used only for non-extended disks.
long size_of_a_track_;
// Used only for extended disks.
std::vector<size_t> track_sizes_;
};
}
}
#endif /* CPCDSK_hpp */