Module: ColorRoutes::StringANSI

Included in:
String
Defined in:
lib/color_routes/string_ansi.rb

Overview

Some extensions to String to deal with ANSI colors.

Constant Summary collapse

COLORS = 
{
  :black   => 30,
  :red     => 31,
  :green   => 32,
  :brown   => 33,
  :blue    => 34,
  :magenta => 35,
  :cyan    => 36,
  :gray    => 37
}

Instance Method Summary collapse

Instance Method Details

#ansi_length ⇒ Object 



23
24
25
 
# File 'lib/color_routes/string_ansi.rb', line 23

def ansi_length
  gsub(/\033\[\d+m/, "").length
end

#ansi_ljust(n) ⇒ Object 



27
28
29
 
# File 'lib/color_routes/string_ansi.rb', line 27

def ansi_ljust(n)
  ljust(n + length - ansi_length)
end

#ansi_rjust(n) ⇒ Object 



31
32
33
 
# File 'lib/color_routes/string_ansi.rb', line 31

def ansi_rjust(n)
  rjust(n + length - ansi_length)
end

#color(color) ⇒ Object 



17
18
19
20
21
 
# File 'lib/color_routes/string_ansi.rb', line 17

def color(color)
  code = "\033[#{COLORS[color]}m"
  end_code = "\033[0m"
  "#{code}#{self}#{end_code}"
end