// 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 void metadata_change(const fs_meta_data &info) override; virtual std::vector contents() override; virtual file_t file_get(uint64_t key) override; virtual dir_t dir_get(uint64_t key) override; virtual file_t file_create(const fs_meta_data &info) override; virtual void file_delete(uint64_t key) override; void update_file(u16 key, const u8 *entry); private: impl &m_fs; std::pair get_dir_block(uint64_t key); }; class file : public ifile_t { public: file(impl &fs, root_dir *dir, const u8 *entry, u16 key); virtual ~file() = default; virtual void drop_weak_references() override; virtual fs_meta_data metadata() override; virtual void metadata_change(const fs_meta_data &info) override; virtual std::vector read_all() override; virtual void replace(const std::vector &data) override; private: impl &m_fs; root_dir *m_dir; u16 m_key; u8 m_entry[18]; }; class system_file : public ifile_t { public: system_file(impl &fs, root_dir *dir, const u8 *entry, u16 key); virtual ~system_file() = default; virtual void drop_weak_references() override; virtual fs_meta_data metadata() override; virtual void metadata_change(const fs_meta_data &info) override; virtual std::vector read_all() override; virtual void replace(const std::vector &data) override; private: impl &m_fs; root_dir *m_dir; u16 m_key; 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 void metadata_change(const fs_meta_data &info) 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(); std::vector allocate_blocks(u32 count); void free_blocks(const std::vector &blocks); u32 free_block_count(); static std::string file_name_prepare(std::string name); private: dir_t m_root; }; fs_oric_jasmin() : filesystem_manager_t() {} virtual const char *name() const override; virtual const char *description() const override; virtual void enumerate_f(floppy_enumerator &fe, uint32_t form_factor, const std::vector &variants) const override; virtual std::unique_ptr 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 bool has_rsrc() const override; virtual std::vector volume_meta_description() const override; virtual std::vector file_meta_description() const override; static bool validate_filename(std::string name); }; extern const fs_oric_jasmin FS_ORIC_JASMIN; #endif