Creates a new input method object using Readline
# File irb/input-method.rb, line 244 def initialize IRB.__send__(:set_encoding, Reline.encoding_system_needs.name, override: false) super @line_no = 0 @line = [] @eof = false @stdin = ::IO.open(STDIN.to_i, :external_encoding => IRB.conf[:LC_MESSAGES].encoding, :internal_encoding => "-") @stdout = ::IO.open(STDOUT.to_i, 'w', :external_encoding => IRB.conf[:LC_MESSAGES].encoding, :internal_encoding => "-") if Reline.respond_to?("basic_word_break_characters=") Reline.basic_word_break_characters = IRB::InputCompletor::BASIC_WORD_BREAK_CHARACTERS end Reline.completion_append_character = nil Reline.completion_proc = IRB::InputCompletor::CompletionProc Reline.output_modifier_proc = if IRB.conf[:USE_COLORIZE] proc do |output, complete: | next unless IRB::Color.colorable? IRB::Color.colorize_code(output, complete: complete) end else proc do |output| Reline::Unicode.escape_for_print(output) end end Reline.dig_perfect_match_proc = IRB::InputCompletor::PerfectMatchedProc end
# File irb/input-method.rb, line 282 def auto_indent(&block) @auto_indent_proc = block end
# File irb/input-method.rb, line 274 def check_termination(&block) @check_termination_proc = block end
# File irb/input-method.rb, line 278 def dynamic_prompt(&block) @prompt_proc = block end
The external encoding for standard input.
# File irb/input-method.rb, line 329 def encoding @stdin.external_encoding end
Whether the end of this input method has been reached, returns true
if there is no more data to read.
See IO#eof? for more information.
# File irb/input-method.rb, line 307 def eof? @eof end
Reads the next line from this input method.
See IO#gets for more information.
# File irb/input-method.rb, line 289 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 = readmultiline(@prompt, false, &@check_termination_proc) HISTORY.push(l) if !l.empty? @line[@line_no += 1] = l + "\n" else @eof = true l end end
For debug message
# File irb/input-method.rb, line 334 def inspect config = Reline::Config.new str = "ReidlineInputMethod with Reline #{Reline::VERSION}" if config.respond_to?(:inputrc_path) inputrc_path = File.expand_path(config.inputrc_path) else inputrc_path = File.expand_path(ENV['INPUTRC'] || '~/.inputrc') end str += " and #{inputrc_path}" if File.exist?(inputrc_path) str end