diff options
Diffstat (limited to 'src/lib/formats/fs_oric_jasmin.h')
-rw-r--r-- | src/lib/formats/fs_oric_jasmin.h | 92 |
1 files changed, 87 insertions, 5 deletions
diff --git a/src/lib/formats/fs_oric_jasmin.h b/src/lib/formats/fs_oric_jasmin.h index 347a23ff349..2ffe27fb7cf 100644 --- a/src/lib/formats/fs_oric_jasmin.h +++ b/src/lib/formats/fs_oric_jasmin.h @@ -1,7 +1,7 @@ // license:BSD-3-Clause // copyright-holders:Olivier Galibert -// Creation of Oric Jasmin floppy images +// Management of Oric Jasmin floppy images #ifndef MAME_FORMATS_FS_ORIC_JASMIN_H #define MAME_FORMATS_FS_ORIC_JASMIN_H @@ -14,22 +14,104 @@ class fs_oric_jasmin : public filesystem_manager_t { public: class impl : public filesystem_t { public: - impl(fsblk_t &blockdev) : filesystem_t(blockdev, 256) {} + 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<fs_dir_entry> 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<fsblk_t::block_t, u32> 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<u8> read_all() override; + virtual void replace(const std::vector<u8> &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<u8> read_all() override; + virtual void replace(const std::vector<u8> &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<u16> allocate_blocks(u32 count); + void free_blocks(const std::vector<u16> &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<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 bool has_subdirectories() const override; + virtual bool has_rsrc() const override; virtual std::vector<fs_meta_description> volume_meta_description() const override; virtual std::vector<fs_meta_description> file_meta_description() const override; @@ -37,6 +119,6 @@ public: static bool validate_filename(std::string name); }; -extern const filesystem_manager_type FS_ORIC_JASMIN; +extern const fs_oric_jasmin FS_ORIC_JASMIN; #endif |