class IRB::ReadlineInputMethod
Public Class Methods
initialize_readline()
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# File lib/irb/input-method.rb, line 180 def self.initialize_readline require "readline" rescue LoadError else include ::Readline end
new()
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Creates a new input method object using Readline
Calls superclass method
IRB::InputMethod::new
# File lib/irb/input-method.rb, line 188 def initialize self.class.initialize_readline if Readline.respond_to?(:encoding_system_needs) IRB.__send__(:set_encoding, Readline.encoding_system_needs.name, override: false) end 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 Readline.respond_to?("basic_word_break_characters=") Readline.basic_word_break_characters = IRB::InputCompletor::BASIC_WORD_BREAK_CHARACTERS end Readline.completion_append_character = nil Readline.completion_proc = IRB::InputCompletor::CompletionProc end
Public Instance Methods
encoding()
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The external encoding for standard input.
# File lib/irb/input-method.rb, line 250 def encoding @stdin.external_encoding end
eof?()
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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 lib/irb/input-method.rb, line 228 def eof? @eof end
gets()
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Reads the next line from this input method.
See IO#gets
for more information.
# File lib/irb/input-method.rb, line 212 def gets Readline.input = @stdin Readline.output = @stdout if l = readline(@prompt, false) HISTORY.push(l) if !l.empty? @line[@line_no += 1] = l + "\n" else @eof = true l end end
inspect()
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For debug message
# File lib/irb/input-method.rb, line 255 def inspect readline_impl = (defined?(Reline) && Readline == Reline) ? 'Reline' : 'ext/readline' str = "ReadlineInputMethod with #{readline_impl} #{Readline::VERSION}" inputrc_path = File.expand_path(ENV['INPUTRC'] || '~/.inputrc') str += " and #{inputrc_path}" if File.exist?(inputrc_path) str end
line(line_no)
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readable_after_eof?()
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Whether this input method is still readable when there is no more data to read.
See IO#eof
for more information.
# File lib/irb/input-method.rb, line 236 def readable_after_eof? true end