class Bundler::UI::Shell

Constants

LEVELS

Attributes

shell[W]

Public Class Methods

new(options = {}) click to toggle source
# File lib/bundler/ui/shell.rb, line 10
def initialize(options = {})
  if options["no-color"] || !STDOUT.tty?
    Thor::Base.shell = Thor::Shell::Basic
  end
  @shell = Thor::Base.shell.new
  @level = ENV['DEBUG'] ? "debug" : "info"
end

Public Instance Methods

ask(msg) click to toggle source
# File lib/bundler/ui/shell.rb, line 47
def ask(msg)
  @shell.ask(msg)
end
confirm(msg, newline = nil) click to toggle source
# File lib/bundler/ui/shell.rb, line 22
def confirm(msg, newline = nil)
  tell_me(msg, :green, newline) if level("confirm")
end
debug(msg, newline = nil) click to toggle source
# File lib/bundler/ui/shell.rb, line 34
def debug(msg, newline = nil)
  tell_me(msg, nil, newline) if level("debug")
end
debug?() click to toggle source
# File lib/bundler/ui/shell.rb, line 38
def debug?
  # needs to be false instead of nil to be newline param to other methods
  level("debug")
end
error(msg, newline = nil) click to toggle source
# File lib/bundler/ui/shell.rb, line 30
def error(msg, newline = nil)
  tell_me(msg, :red, newline) if level("error")
end
info(msg, newline = nil) click to toggle source
# File lib/bundler/ui/shell.rb, line 18
def info(msg, newline = nil)
  tell_me(msg, nil, newline) if level("info")
end
level(name = nil) click to toggle source
# File lib/bundler/ui/shell.rb, line 64
def level(name = nil)
  name ? LEVELS.index(name) <= LEVELS.index(@level) : @level
end
level=(level) click to toggle source
# File lib/bundler/ui/shell.rb, line 59
def level=(level)
  raise ArgumentError unless LEVELS.include?(level.to_s)
  @level = level
end
no?() click to toggle source
# File lib/bundler/ui/shell.rb, line 55
def no?
  @shell.no?(msg)
end
quiet?() click to toggle source
# File lib/bundler/ui/shell.rb, line 43
def quiet?
  LEVELS.index(@level) <= LEVELS.index("warn")
end
silence() { || ... } click to toggle source
# File lib/bundler/ui/shell.rb, line 74
def silence
  old_level, @level = @level, "silent"
  yield
ensure
  @level = old_level
end
trace(e, newline = nil) click to toggle source
# File lib/bundler/ui/shell.rb, line 68
def trace(e, newline = nil)
  return unless debug?
  msg = "#{e.class}: #{e.message}\n#{e.backtrace.join("\n  ")}"
  tell_me(msg, nil, newline)
end
warn(msg, newline = nil) click to toggle source
# File lib/bundler/ui/shell.rb, line 26
def warn(msg, newline = nil)
  tell_me(msg, :yellow, newline) if level("warn")
end
yes?(msg) click to toggle source
# File lib/bundler/ui/shell.rb, line 51
def yes?(msg)
  @shell.yes?(msg)
end

Private Instance Methods

strip_leading_spaces(text) click to toggle source
# File lib/bundler/ui/shell.rb, line 93
def strip_leading_spaces(text)
  spaces = text[/\A\s+/, 0]
  spaces ? text.gsub(/#{spaces}/, '') : text
end
tell_me(msg, color = nil, newline = nil) click to toggle source

valimism

# File lib/bundler/ui/shell.rb, line 84
def tell_me(msg, color = nil, newline = nil)
  msg = word_wrap(msg) if newline.is_a?(Hash) && newline[:wrap]
  if newline.nil?
    @shell.say(msg, color)
  else
    @shell.say(msg, color, newline)
  end
end
word_wrap(text, line_width = @shell.terminal_width) click to toggle source
# File lib/bundler/ui/shell.rb, line 98
def word_wrap(text, line_width = @shell.terminal_width)
  strip_leading_spaces(text).split("\n").collect do |line|
    line.length > line_width ? line.gsub(/(.{1,#{line_width}})(\s+|$)/, "\\1\n").strip : line
  end * "\n"
end