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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
// Management of Oric Jasmin floppy images
#ifndef MAME_FORMATS_FS_ORIC_JASMIN_H
#define MAME_FORMATS_FS_ORIC_JASMIN_H
#pragma once
#include "fsmgr.h"
class fs_oric_jasmin : public filesystem_manager_t {
public:
class impl : public filesystem_t {
public:
class root_dir : public idir_t {
public:
root_dir(impl &i) : m_fs(i) {}
virtual ~root_dir() = default;
virtual void drop_weak_references() override;
virtual fs_meta_data metadata() override;
virtual std::vector<fs_dir_entry> contents() override;
virtual file_t file_get(uint64_t key) override;
virtual dir_t dir_get(uint64_t key) override;
private:
impl &m_fs;
std::pair<fsblk_t::block_t, u32> get_dir_block(uint64_t key);
};
class file : public ifile_t {
public:
file(impl &fs, const u8 *entry, u16 key);
virtual ~file() = default;
virtual void drop_weak_references() override;
virtual fs_meta_data metadata() override;
virtual std::vector<u8> read_all() override;
virtual std::vector<u8> read(u64 start, u64 length) override;
private:
impl &m_fs;
u16 m_key;
u8 m_entry[18];
std::pair<std::vector<u16>, u32> build_data_sector_table();
};
class system_file : public ifile_t {
public:
system_file(impl &fs, const u8 *entry);
virtual ~system_file() = default;
virtual void drop_weak_references() override;
virtual fs_meta_data metadata() override;
virtual std::vector<u8> read_all() override;
virtual std::vector<u8> read(u64 start, u64 length) override;
private:
impl &m_fs;
u8 m_entry[18];
};
impl(fsblk_t &blockdev);
virtual ~impl() = default;
virtual void format(const fs_meta_data &meta) override;
virtual fs_meta_data metadata() override;
virtual dir_t root() override;
static u32 cs_to_block(u16 ref);
static u16 block_to_cs(u32 block);
bool ref_valid(u16 ref);
static std::string read_file_name(const u8 *p);
void drop_root_ref();
private:
dir_t m_root;
};
fs_oric_jasmin() : filesystem_manager_t() {}
virtual void enumerate_f(floppy_enumerator &fe, uint32_t form_factor, const std::vector<uint32_t> &variants) const override;
virtual std::unique_ptr<filesystem_t> mount(fsblk_t &blockdev) const override;
virtual bool can_format() const override;
virtual bool can_read() const override;
virtual bool can_write() const override;
virtual std::vector<fs_meta_description> volume_meta_description() const override;
virtual std::vector<fs_meta_description> file_meta_description() const override;
static bool validate_filename(std::string name);
};
extern const filesystem_manager_type FS_ORIC_JASMIN;
#endif
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