Class: Gem::ConsoleUI

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain: self, StreamUI
Instance Chain: self, StreamUI
Inherits:	Gem::StreamUI Object Gem::StreamUI Gem::ConsoleUI
Defined in:	lib/rubygems/user_interaction.rb

Overview

Subclass of StreamUI that instantiates the user interaction using STDIN, STDOUT, and STDERR.

.new ⇒ ConsoleUI constructor

The Console UI has no arguments as it defaults to reading input from stdin, output to stdout and warnings or errors to stderr.

.new	Creates a new StreamUI wrapping `in_stream` for user input, `out_stream` for standard output, `err_stream` for error output.

#errs	The error stream.
#ins	The input stream.
#outs	The output stream.
#tty?	Returns true if TTY methods should be used on this StreamUI.

#_gets_noecho,
#alert	Display an informational alert.
#alert_error	Display an error message in a location expected to get error messages.
#alert_warning	Display a warning on stderr.
#ask	Ask a question.
#ask_for_password	Ask for a password.
#ask_yes_no	Ask a question.
#backtrace	Prints a formatted backtrace to the errors stream if backtraces are enabled.
#choose_from_list	Choose from a list of options.
#close,
#debug	Display a debug message on the same location as error messages.
#download_reporter	Return a download reporter object chosen from the current verbosity.
#progress_reporter	Return a progress reporter object chosen from the current verbosity.
#require_io_console,
#say	Display a statement.
#terminate_interaction	Terminate the application with exit code `status`, running any exit handlers that might have been defined.

The Console UI has no arguments as it defaults to reading input from stdin, output to stdout and warnings or errors to stderr.

[ GitHub ]

# File 'lib/rubygems/user_interaction.rb', line 670


def initialize
  super STDIN, STDOUT, STDERR, true
end