類別 IRB::RelineInputMethod
常數
- HISTORY
公開類別方法
new(completor) 按一下以切換來源
使用 Reline
建立新的輸入方法物件
呼叫超類別方法
IRB::StdioInputMethod::new
# File lib/irb/input-method.rb, line 237 def initialize(completor) IRB.__send__(:set_encoding, Reline.encoding_system_needs.name, override: false) super() @eof = false @completor = completor Reline.basic_word_break_characters = BASIC_WORD_BREAK_CHARACTERS Reline.completion_append_character = nil Reline.completer_quote_characters = '' Reline.completion_proc = ->(target, preposing, postposing) { bind = IRB.conf[:MAIN_CONTEXT].workspace.binding @completion_params = [preposing, target, postposing, bind] @completor.completion_candidates(preposing, target, postposing, bind: bind) } Reline.output_modifier_proc = if IRB.conf[:USE_COLORIZE] proc do |output, complete: | next unless IRB::Color.colorable? lvars = IRB.CurrentContext&.local_variables || [] IRB::Color.colorize_code(output, complete: complete, local_variables: lvars) end else proc do |output| Reline::Unicode.escape_for_print(output) end end Reline.dig_perfect_match_proc = ->(matched) { display_document(matched) } Reline.autocompletion = IRB.conf[:USE_AUTOCOMPLETE] if IRB.conf[:USE_AUTOCOMPLETE] begin require 'rdoc' Reline.add_dialog_proc(:show_doc, show_doc_dialog_proc, Reline::DEFAULT_DIALOG_CONTEXT) rescue LoadError end end end
公開實例方法
auto_indent(&block) 按一下以切換來源
# File lib/irb/input-method.rb, line 290 def auto_indent(&block) @auto_indent_proc = block end
check_termination(&block) 按一下以切換來源
# File lib/irb/input-method.rb, line 282 def check_termination(&block) @check_termination_proc = block end
completion_info() 按一下以切換來源
# File lib/irb/input-method.rb, line 277 def completion_info autocomplete_message = Reline.autocompletion ? 'Autocomplete' : 'Tab Complete' "#{autocomplete_message}, #{@completor.inspect}" end
display_document(matched, driver: nil) 按一下以切換來源
# File lib/irb/input-method.rb, line 410 def display_document(matched, driver: nil) begin require 'rdoc' rescue LoadError return end if matched =~ /\A(?:::)?RubyVM/ and not ENV['RUBY_YES_I_AM_NOT_A_NORMAL_USER'] IRB.__send__(:easter_egg) return end _target, preposing, postposing, bind = @completion_params namespace = @completor.doc_namespace(preposing, matched, postposing, bind: bind) return unless namespace driver ||= RDoc::RI::Driver.new if namespace.is_a?(Array) out = RDoc::Markup::Document.new namespace.each do |m| begin driver.add_method(out, m) rescue RDoc::RI::Driver::NotFoundError end end driver.display(out) else begin driver.display_names([namespace]) rescue RDoc::RI::Driver::NotFoundError end end end
dynamic_prompt(&block) 按一下以切換來源
# File lib/irb/input-method.rb, line 286 def dynamic_prompt(&block) @prompt_proc = block end
eof?() 按一下以切換來源
此輸入方法的結尾是否已到達,如果沒有更多資料要讀取,則傳回 true
。
請參閱 IO#eof?
以取得更多資訊。
# File lib/irb/input-method.rb, line 465 def eof? @eof end
gets() 按一下以切換來源
從此輸入方法讀取下一行。
請參閱 IO#gets
以取得更多資訊。
# File lib/irb/input-method.rb, line 447 def gets Reline.input = @stdin Reline.output = @stdout Reline.prompt_proc = @prompt_proc Reline.auto_indent_proc = @auto_indent_proc if @auto_indent_proc if l = Reline.readmultiline(@prompt, false, &@check_termination_proc) Reline::HISTORY.push(l) if !l.empty? @line[@line_no += 1] = l + "\n" else @eof = true l end end
inspect() 按一下以切換來源
用於偵錯訊息
# File lib/irb/input-method.rb, line 470 def inspect config = Reline::Config.new str = "RelineInputMethod with Reline #{Reline::VERSION}" inputrc_path = File.expand_path(config.inputrc_path) str += " and #{inputrc_path}" if File.exist?(inputrc_path) str end
show_doc_dialog_proc() 按一下以切換來源
# File lib/irb/input-method.rb, line 294 def show_doc_dialog_proc doc_namespace = ->(matched) { preposing, _target, postposing, bind = @completion_params @completor.doc_namespace(preposing, matched, postposing, bind: bind) } ->() { dialog.trap_key = nil alt_d = [ [Reline::Key.new(nil, 0xE4, true)], # Normal Alt+d. [27, 100], # Normal Alt+d when convert-meta isn't used. [195, 164], # The "ä" that appears when Alt+d is pressed on xterm. [226, 136, 130] # The "∂" that appears when Alt+d in pressed on iTerm2. ] if just_cursor_moving and completion_journey_data.nil? return nil end cursor_pos_to_render, result, pointer, autocomplete_dialog = context.pop(4) return nil if result.nil? or pointer.nil? or pointer < 0 name = doc_namespace.call(result[pointer]) # Use first one because document dialog does not support multiple namespaces. name = name.first if name.is_a?(Array) show_easter_egg = name&.match?(/\ARubyVM/) && !ENV['RUBY_YES_I_AM_NOT_A_NORMAL_USER'] options = {} options[:extra_doc_dirs] = IRB.conf[:EXTRA_DOC_DIRS] unless IRB.conf[:EXTRA_DOC_DIRS].empty? driver = RDoc::RI::Driver.new(options) if key.match?(dialog.name) if show_easter_egg IRB.__send__(:easter_egg) else begin driver.display_names([name]) rescue RDoc::RI::Driver::NotFoundError end end end begin name = driver.expand_name(name) rescue RDoc::RI::Driver::NotFoundError return nil rescue return nil # unknown error end doc = nil used_for_class = false if not name =~ /#|\./ found, klasses, includes, extends = driver.classes_and_includes_and_extends_for(name) if not found.empty? doc = driver.class_document(name, found, klasses, includes, extends) used_for_class = true end end unless used_for_class doc = RDoc::Markup::Document.new begin driver.add_method(doc, name) rescue RDoc::RI::Driver::NotFoundError doc = nil rescue return nil # unknown error end end return nil if doc.nil? width = 40 right_x = cursor_pos_to_render.x + autocomplete_dialog.width if right_x + width > screen_width right_width = screen_width - (right_x + 1) left_x = autocomplete_dialog.column - width left_x = 0 if left_x < 0 left_width = width > autocomplete_dialog.column ? autocomplete_dialog.column : width if right_width.positive? and left_width.positive? if right_width >= left_width width = right_width x = right_x else width = left_width x = left_x end elsif right_width.positive? and left_width <= 0 width = right_width x = right_x elsif right_width <= 0 and left_width.positive? width = left_width x = left_x else # Both are negative width. return nil end else x = right_x end formatter = RDoc::Markup::ToAnsi.new formatter.width = width dialog.trap_key = alt_d mod_key = RUBY_PLATFORM.match?(/darwin/) ? "Option" : "Alt" if show_easter_egg type = STDOUT.external_encoding == Encoding::UTF_8 ? :unicode : :ascii contents = IRB.send(:easter_egg_logo, type).split("\n") message = "Press #{mod_key}+d to see more" contents[0][0, message.size] = message else message = "Press #{mod_key}+d to read the full document" contents = [message] + doc.accept(formatter).split("\n") end contents = contents.take(preferred_dialog_height) y = cursor_pos_to_render.y Reline::DialogRenderInfo.new(pos: Reline::CursorPos.new(x, y), contents: contents, width: width, bg_color: '49') } end