Creates a new input method object using Readline
# File irb/input-method.rb, line 209 def initialize 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 246 def auto_indent(&block) @auto_indent_proc = block end
# File irb/input-method.rb, line 238 def check_termination(&block) @check_termination_proc = block end
# File irb/input-method.rb, line 242 def dynamic_prompt(&block) @prompt_proc = block end
The external encoding for standard input.
# File irb/input-method.rb, line 293 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 271 def eof? @eof end
Reads the next line from this input method.
See IO#gets for more information.
# File irb/input-method.rb, line 253 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