Object
# File reline/line_editor.rb, line 1269 def byte_pointer=(val) @byte_pointer = val str = @line.byteslice(0, @byte_pointer) @cursor = calculate_width(str) @cursor_max = calculate_width(@line) end
# File reline/line_editor.rb, line 1099 def call_completion_proc result = retrieve_completion_block(true) slice = result[1] result = @completion_proc.(slice) if @completion_proc and slice Reline.core.instance_variable_set(:@completion_quote_character, nil) result end
# File reline/line_editor.rb, line 1209 def confirm_multiline_termination temp_buffer = @buffer_of_lines.dup if @previous_line_index and @line_index == (@buffer_of_lines.size - 1) temp_buffer[@previous_line_index] = @line else temp_buffer[@line_index] = @line end @confirm_multiline_termination_proc.(temp_buffer.join("\n") + "\n") end
# File reline/line_editor.rb, line 1231 def delete_text(start = nil, length = nil) if start.nil? and length.nil? @line&.clear @byte_pointer = 0 @cursor = 0 @cursor_max = 0 elsif not start.nil? and not length.nil? if @line before = @line.byteslice(0, start) after = @line.byteslice(start + length, @line.bytesize) @line = before + after @byte_pointer = @line.bytesize if @byte_pointer > @line.bytesize str = @line.byteslice(0, @byte_pointer) @cursor = calculate_width(str) @cursor_max = calculate_width(@line) end elsif start.is_a?(Range) range = start first = range.first last = range.last last = @line.bytesize - 1 if last > @line.bytesize last += @line.bytesize if last < 0 first += @line.bytesize if first < 0 range = range.exclude_end? ? first...last : first..last @line = @line.bytes.reject.with_index{ |c, i| range.include?(i) }.map{ |c| c.chr(Encoding::ASCII_8BIT) }.join.force_encoding(@encoding) @byte_pointer = @line.bytesize if @byte_pointer > @line.bytesize str = @line.byteslice(0, @byte_pointer) @cursor = calculate_width(str) @cursor_max = calculate_width(@line) else @line = @line.byteslice(0, start) @byte_pointer = @line.bytesize if @byte_pointer > @line.bytesize str = @line.byteslice(0, @byte_pointer) @cursor = calculate_width(str) @cursor_max = calculate_width(@line) end end
# File reline/line_editor.rb, line 759 def editing_mode @config.editing_mode end
# File reline/line_editor.rb, line 184 def finalize Signal.trap('SIGINT', @old_trap) end
# File reline/line_editor.rb, line 1294 def finish @finished = true @rerender_all = true @config.reset end
# File reline/line_editor.rb, line 1290 def finished? @finished end
# File reline/line_editor.rb, line 1045 def input_key(key) @just_cursor_moving = nil if key.char.nil? if @first_char @line = nil end finish return end old_line = @line.dup @first_char = false completion_occurs = false if @config.editing_mode_is?(:emacs, :vi_insert) and key.char == "\C-i".ord unless @config.disable_completion result = call_completion_proc if result.is_a?(Array) completion_occurs = true process_insert complete(result) end end elsif not @config.disable_completion and @config.editing_mode_is?(:vi_insert) and ["\C-p".ord, "\C-n".ord].include?(key.char) unless @config.disable_completion result = call_completion_proc if result.is_a?(Array) completion_occurs = true process_insert move_completed_list(result, "\C-p".ord == key.char ? :up : :down) end end elsif Symbol === key.char and respond_to?(key.char, true) process_key(key.char, key.char) else normal_char(key) end unless completion_occurs @completion_state = CompletionState::NORMAL end if not Reline::IOGate.in_pasting? and @just_cursor_moving.nil? if @previous_line_index and @buffer_of_lines[@previous_line_index] == @line @just_cursor_moving = true elsif @previous_line_index.nil? and @buffer_of_lines[@line_index] == @line and old_line == @line @just_cursor_moving = true else @just_cursor_moving = false end else @just_cursor_moving = false end if @is_multiline and @auto_indent_proc and not simplified_rendering? process_auto_indent end end
# File reline/line_editor.rb, line 1219 def insert_text(text) width = calculate_width(text) if @cursor == @cursor_max @line += text else @line = byteinsert(@line, @byte_pointer, text) end @byte_pointer += text.bytesize @cursor += width @cursor_max += width end
# File reline/line_editor.rb, line 464 def just_move_cursor prompt, prompt_width, prompt_list = check_multiline_prompt(@buffer_of_lines, prompt) move_cursor_up(@started_from) new_first_line_started_from = if @line_index.zero? 0 else calculate_height_by_lines(@buffer_of_lines[0..(@line_index - 1)], prompt_list || prompt) end first_line_diff = new_first_line_started_from - @first_line_started_from new_cursor, _, new_started_from, _ = calculate_nearest_cursor(@line, @cursor, @started_from, @byte_pointer, false) new_started_from = calculate_height_by_width(prompt_width + new_cursor) - 1 calculate_scroll_partial_screen(@highest_in_all, new_first_line_started_from + new_started_from) @previous_line_index = nil if @rerender_all @line = @buffer_of_lines[@line_index] rerender_all_lines @rerender_all = false true else @line = @buffer_of_lines[@line_index] @first_line_started_from = new_first_line_started_from @started_from = new_started_from @cursor = new_cursor move_cursor_down(first_line_diff + @started_from) Reline::IOGate.move_cursor_column((prompt_width + @cursor) % @screen_size.last) false end end
# File reline/line_editor.rb, line 248 def multiline_off @is_multiline = false end
# File reline/line_editor.rb, line 244 def multiline_on @is_multiline = true end
# File reline/line_editor.rb, line 355 def rerender return if @line.nil? if @menu_info scroll_down(@highest_in_all - @first_line_started_from) @rerender_all = true end if @menu_info show_menu @menu_info = nil end prompt, prompt_width, prompt_list = check_multiline_prompt(whole_lines, prompt) if @cleared clear_screen_buffer(prompt, prompt_list, prompt_width) @cleared = false return end new_highest_in_this = calculate_height_by_width(prompt_width + calculate_width(@line.nil? ? '' : @line)) # FIXME: end of logical line sometimes breaks if @add_newline_to_end_of_buffer rerender_added_newline @add_newline_to_end_of_buffer = false else if @just_cursor_moving and not @rerender_all rendered = just_move_cursor @just_cursor_moving = false return elsif @previous_line_index or new_highest_in_this != @highest_in_this rerender_changed_current_line @previous_line_index = nil rendered = true elsif @rerender_all rerender_all_lines @rerender_all = false rendered = true else end end line = modify_lines(whole_lines)[@line_index] if @is_multiline prompt, prompt_width, prompt_list = check_multiline_prompt(whole_lines, prompt) if finished? # Always rerender on finish because output_modifier_proc may return a different output. render_partial(prompt, prompt_width, line, @first_line_started_from) scroll_down(1) Reline::IOGate.move_cursor_column(0) Reline::IOGate.erase_after_cursor elsif not rendered render_partial(prompt, prompt_width, line, @first_line_started_from) end @buffer_of_lines[@line_index] = @line else render_partial(prompt, prompt_width, line, 0) if finished? scroll_down(1) Reline::IOGate.move_cursor_column(0) Reline::IOGate.erase_after_cursor end end end
# File reline/line_editor.rb, line 349 def rerender_all @rerender_all = true process_insert(force: true) rerender end
# File reline/line_editor.rb, line 136 def reset(prompt = '', encoding:) @rest_height = (Reline::IOGate.get_screen_size.first - 1) - Reline::IOGate.cursor_pos.y @screen_size = Reline::IOGate.get_screen_size @screen_height = @screen_size.first reset_variables(prompt, encoding: encoding) @old_trap = Signal.trap('SIGINT') { @old_trap.call if @old_trap.respond_to?(:call) # can also be string, ex: "DEFAULT" raise Interrupt } Reline::IOGate.set_winch_handler do @rest_height = (Reline::IOGate.get_screen_size.first - 1) - Reline::IOGate.cursor_pos.y old_screen_size = @screen_size @screen_size = Reline::IOGate.get_screen_size @screen_height = @screen_size.first if old_screen_size.last < @screen_size.last # columns increase @rerender_all = true rerender else back = 0 new_buffer = whole_lines prompt, prompt_width, prompt_list = check_multiline_prompt(new_buffer, prompt) new_buffer.each_with_index do |line, index| prompt_width = calculate_width(prompt_list[index], true) if @prompt_proc width = prompt_width + calculate_width(line) height = calculate_height_by_width(width) back += height end @highest_in_all = back @highest_in_this = calculate_height_by_width(prompt_width + @cursor_max) @first_line_started_from = if @line_index.zero? 0 else calculate_height_by_lines(@buffer_of_lines[0..(@line_index - 1)], prompt_list || prompt) end if @prompt_proc prompt = prompt_list[@line_index] prompt_width = calculate_width(prompt, true) end calculate_nearest_cursor @started_from = calculate_height_by_width(prompt_width + @cursor) - 1 Reline::IOGate.move_cursor_column((prompt_width + @cursor) % @screen_size.last) @highest_in_this = calculate_height_by_width(prompt_width + @cursor_max) @rerender_all = true end end end
# File reline/line_editor.rb, line 226 def reset_line @cursor = 0 @cursor_max = 0 @byte_pointer = 0 @buffer_of_lines = [String.new(encoding: @encoding)] @line_index = 0 @previous_line_index = nil @line = @buffer_of_lines[0] @first_line_started_from = 0 @move_up = 0 @started_from = 0 @highest_in_this = 1 @highest_in_all = 1 @line_backup_in_history = nil @multibyte_buffer = String.new(encoding: 'ASCII-8BIT') @check_new_auto_indent = false end
# File reline/line_editor.rb, line 192 def reset_variables(prompt = '', encoding:) @prompt = prompt @mark_pointer = nil @encoding = encoding @is_multiline = false @finished = false @cleared = false @rerender_all = false @history_pointer = nil @kill_ring ||= Reline::KillRing.new @vi_clipboard = '' @vi_arg = nil @waiting_proc = nil @waiting_operator_proc = nil @waiting_operator_vi_arg = nil @completion_journey_data = nil @completion_state = CompletionState::NORMAL @perfect_matched = nil @menu_info = nil @first_prompt = true @searching_prompt = nil @first_char = true @add_newline_to_end_of_buffer = false @just_cursor_moving = nil @cached_prompt_list = nil @prompt_cache_time = nil @eof = false @continuous_insertion_buffer = String.new(encoding: @encoding) @scroll_partial_screen = nil @prev_mode_icon = nil @drop_terminate_spaces = false reset_line end
# File reline/line_editor.rb, line 1148 def retrieve_completion_block(set_completion_quote_character = false) word_break_regexp = /\A[#{Regexp.escape(Reline.completer_word_break_characters)}]/ quote_characters_regexp = /\A[#{Regexp.escape(Reline.completer_quote_characters)}]/ before = @line.byteslice(0, @byte_pointer) rest = nil break_pointer = nil quote = nil closing_quote = nil escaped_quote = nil i = 0 while i < @byte_pointer do slice = @line.byteslice(i, @byte_pointer - i) unless slice.valid_encoding? i += 1 next end if quote and slice.start_with?(closing_quote) quote = nil i += 1 rest = nil elsif quote and slice.start_with?(escaped_quote) # skip i += 2 elsif slice =~ quote_characters_regexp # find new " rest = $' quote = $& closing_quote = /(?!\\)#{Regexp.escape(quote)}/ escaped_quote = /\\#{Regexp.escape(quote)}/ i += 1 break_pointer = i - 1 elsif not quote and slice =~ word_break_regexp rest = $' i += 1 before = @line.byteslice(i, @byte_pointer - i) break_pointer = i else i += 1 end end postposing = @line.byteslice(@byte_pointer, @line.bytesize - @byte_pointer) if rest preposing = @line.byteslice(0, break_pointer) target = rest if set_completion_quote_character and quote Reline.core.instance_variable_set(:@completion_quote_character, quote) if postposing !~ /(?!\\)#{Regexp.escape(quote)}/ # closing quote insert_text(quote) end end else preposing = '' if break_pointer preposing = @line.byteslice(0, break_pointer) else preposing = '' end target = before end [preposing.encode(@encoding), target.encode(@encoding), postposing.encode(@encoding)] end
# File reline/line_editor.rb, line 61 def simplified_rendering? if finished? false elsif @just_cursor_moving and not @rerender_all true else not @rerender_all and not finished? and Reline::IOGate.in_pasting? end end
# File reline/line_editor.rb, line 1282 def whole_buffer if @buffer_of_lines.size == 1 and @line.nil? nil else whole_lines.join("\n") end end
# File reline/line_editor.rb, line 1276 def whole_lines(index: @line_index, line: @line) temp_lines = @buffer_of_lines.dup temp_lines[index] = line temp_lines end
# File reline/line_editor.rb, line 936 def wrap_method_call(method_symbol, method_obj, key, with_operator = false) if @config.editing_mode_is?(:emacs, :vi_insert) and @waiting_proc.nil? and @waiting_operator_proc.nil? not_insertion = method_symbol != :ed_insert process_insert(force: not_insertion) end if @vi_arg and argumentable?(method_obj) if with_operator and inclusive?(method_obj) method_obj.(key, arg: @vi_arg, inclusive: true) else method_obj.(key, arg: @vi_arg) end else if with_operator and inclusive?(method_obj) method_obj.(key, inclusive: true) else method_obj.(key) end end end