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CLK/Storage/Disk/DiskImage/Formats/OricMFMDSK.hpp
Thomas Harte e384c50580 Switches FileHolder to have a usage much closer to FILE *.
Thereby opens a route for file format implementations such as that appearing for CPC DSK that create an in-memory copy and perform a full rewrite.
2017-11-02 22:32:00 -04:00

55 lines
1.2 KiB
C++

//
// OricMFMDSK.hpp
// Clock Signal
//
// Created by Thomas Harte on 21/11/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#ifndef OricMFMDSK_hpp
#define OricMFMDSK_hpp
#include "../DiskImage.hpp"
#include "../../../FileHolder.hpp"
namespace Storage {
namespace Disk {
/*!
Provies a @c Disk containing an Oric MFM-stype disk image — a stream of the MFM data bits with clocks omitted.
*/
class OricMFMDSK: public DiskImage {
public:
/*!
Construct an @c OricMFMDSK containing content from the file with name @c file_name.
@throws ErrorNotOricMFMDSK if the file doesn't appear to contain an Oric MFM format image.
*/
OricMFMDSK(const char *file_name);
enum {
ErrorNotOricMFMDSK,
};
// implemented to satisfy @c Disk
int get_head_position_count() override;
int get_head_count() override;
bool get_is_read_only() override;
void set_tracks(const std::map<Track::Address, std::shared_ptr<Track>> &tracks) override;
std::shared_ptr<Track> get_track_at_position(Track::Address address) override;
private:
Storage::FileHolder file_;
long get_file_offset_for_position(Track::Address address);
uint32_t head_count_;
uint32_t track_count_;
uint32_t geometry_type_;
};
}
}
#endif /* OricMFMDSK_hpp */