deferred class
	ID3_INFO_I

inherit
	ANY
		redefine
			default_create
		end

	ID3_MODULE_TAG

feature -- Initialization

	default_create
		do
			create mp3_path
			create frame_list.make (0)
		end

	make
			--
		deferred
		end

feature -- Access

	frame_count: INTEGER
		deferred
		end

	frame_list: EL_ARRAYED_LIST [ID3_FRAME]

	mp3_path: FILE_PATH

feature -- Element change

	detach (field: ID3_FRAME)
			--
		deferred
		end

	link (a_mp3_path: like mp3_path)
		-- link file without reading tags
		deferred
		end

	link_and_read (a_mp3_path: like mp3_path)
		do
			mp3_path := a_mp3_path
			wipe_out; open_read_write
			create frame_list.make (frame_count)
			across new_frame_list as frame loop
				frame_list.extend (frame.item)
			end
		end

	set_version (a_version: REAL)
		deferred
		end

feature -- File writes

	strip_v1
			--
		deferred
		end

	strip_v2
			--
		deferred
		end

	update
			--
		deferred
		end

	update_v1
			--
		deferred
		end

	update_v2
			--
		deferred
		end

feature -- Removal

	prune (frame: ID3_FRAME)
				-- Remove field frame
		do
			frame_list.prune (frame); detach (frame)
		end

	wipe_out
			--
		deferred
		end

feature -- Factory

	new_album_picture_frame (a_picture: ID3_ALBUM_PICTURE): ID3_ALBUM_PICTURE_FRAME
		deferred
		end

	new_field (an_id: STRING): ID3_FRAME
			--
		deferred
		end

	new_frame_list: ITERABLE [ID3_FRAME]
		deferred
		end

	new_unique_file_id_field (owner_id: ZSTRING; an_id: STRING): ID3_UNIQUE_FILE_ID_FRAME
			--
		deferred
		end

feature {ID3_INFO} -- Implementation

	dispose
		deferred
		end

	open_read_write
		deferred
		end

end