class Tty

Copyright 2009-2014 Max Howell and other contributors.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR “AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Public Class Methods

blue() click to toggle source
# File lib/lace/utils.rb, line 26
def blue; bold 34; end
em() click to toggle source
# File lib/lace/utils.rb, line 31
def em; underline 39; end
gray() click to toggle source
# File lib/lace/utils.rb, line 33
def gray; bold 30 end
green() click to toggle source
# File lib/lace/utils.rb, line 32
def green; color 92 end
red() click to toggle source
# File lib/lace/utils.rb, line 28
def red; underline 31; end
reset() click to toggle source
# File lib/lace/utils.rb, line 30
def reset; escape 0; end
truncate(str) click to toggle source
# File lib/lace/utils.rb, line 39
def truncate(str)
  str.to_s[0, width - 4]
end
white() click to toggle source
# File lib/lace/utils.rb, line 27
def white; bold 39; end
width() click to toggle source
# File lib/lace/utils.rb, line 35
def width
  `/usr/bin/tput cols`.strip.to_i
end
yellow() click to toggle source
# File lib/lace/utils.rb, line 29
def yellow; underline 33 ; end

Private Class Methods

bold(n) click to toggle source
# File lib/lace/utils.rb, line 48
def bold n
  escape "1;#{n}"
end
color(n) click to toggle source
# File lib/lace/utils.rb, line 45
def color n
  escape "0;#{n}"
end
escape(n) click to toggle source
# File lib/lace/utils.rb, line 54
def escape n
  "\033[#{n}m" if $stdout.tty?
end
underline(n) click to toggle source
# File lib/lace/utils.rb, line 51
def underline n
  escape "4;#{n}"
end