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CLK/Storage/MassStorage/Formats/HFV.hpp
Thomas Harte 934901447a Adds a temporary version of block access writing.
Whatever I'm doing, it's still not correct. The Macintosh ostensibly appears to 0-fill the direct-access device, then reads a sector back and hangs.
2019-09-15 22:06:45 -04:00

55 lines
1.3 KiB
C++

//
// HFV.hpp
// Clock Signal
//
// Created by Thomas Harte on 25/08/2019.
// Copyright © 2019 Thomas Harte. All rights reserved.
//
#ifndef HFV_hpp
#define HFV_hpp
#include "../MassStorageDevice.hpp"
#include "../../FileHolder.hpp"
#include "../Encodings/MacintoshVolume.hpp"
#include <vector>
#include <map>
namespace Storage {
namespace MassStorage {
/*!
Provides a @c MassStorageDevice containing an HFV image, which is a sector dump of
the HFS volume of a Macintosh drive that is not the correct size to be a floppy disk.
*/
class HFV: public MassStorageDevice, public Encodings::Macintosh::Volume {
public:
/*!
Constructs an HFV with the contents of the file named @c file_name.
Raises an exception if the file name doesn't appear to identify a valid
Macintosh mass storage image.
*/
HFV(const std::string &file_name);
private:
FileHolder file_;
Encodings::Macintosh::Mapper mapper_;
/* MassStorageDevices overrides. */
size_t get_block_size() final;
size_t get_number_of_blocks() final;
std::vector<uint8_t> get_block(size_t address) final;
void set_block(size_t address, const std::vector<uint8_t> &) final;
/* Encodings::Macintosh::Volume overrides. */
void set_drive_type(Encodings::Macintosh::DriveType) final;
std::map<size_t, std::vector<uint8_t>> writes_;
};
}
}
#endif /* HFV_hpp */