module Editor

Editor.byte_to_display_col(String str, Integer byte_pos) -> Integer

Editor.char_at_bytepos(String str, Integer byte_pos) -> String?

Editor.char_bytesize_at(String str, Integer byte_pos) -> Integer

Editor.char_display_width(String? ch) -> Integer

Editor.display_col_to_byte(String str, Integer col) -> Integer

Editor.display_slice(String str, Integer start_col, Integer max_width) -> String

Editor.display_width(String str) -> Integer

Editor.get_screen_size-> [Integer, Integer]

Editor.prev_char_byte_pos(String str, Integer byte_pos) -> Integer

Editor.utf8_byte_length(Integer | nil lead_byte) -> Integer