Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/utils.rb

Instance Method Summary collapse

Instance Method Details

#black ⇒ Object 



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# File 'lib/utils.rb', line 35

def black;          colorize(30) end

#blink ⇒ Object 



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# File 'lib/utils.rb', line 47

def blink;          colorize(5, 25) end

#blue ⇒ Object 



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# File 'lib/utils.rb', line 39

def blue;           colorize(34) end

#bold ⇒ Object 



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# File 'lib/utils.rb', line 44

def bold;           colorize(1, 22) end

#center_colors(x) ⇒ Object 



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# File 'lib/utils.rb', line 15

def center_colors(x)
  self.no_colors.center(x).gsub(self.no_colors, self)
end

#center_lines(cols) ⇒ Object

Magic strings metaprogramming screwery Modified from: stackoverflow.com/questions/1489183/colorized-ruby-output



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# File 'lib/utils.rb', line 11

def center_lines(cols)
  self.split("\n").map{|x| x.center_colors(cols)}.join("\n")
end

#colorize(code1, code2 = 0) ⇒ Object 



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# File 'lib/utils.rb', line 19

def colorize(code1, code2=0)
  tmp = "\e[#{code1}m#{self}\e[#{code2}m"
  if tmp.scan(/\e\[#{code2}m/).count >= 2
    tmp = tmp.split("\e\[#{code2}m")
    tmp = tmp[0..-2].map!{ |x| "#{x}\e\[#{code2}m\e[#{code1}m" } + [tmp[-1]]
    return tmp.join("")
  end
  return tmp
end

#cyan ⇒ Object 



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# File 'lib/utils.rb', line 41

def cyan;           colorize(36) end

#gray ⇒ Object 



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# File 'lib/utils.rb', line 42

def gray;           colorize(37) end

#green ⇒ Object 



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# File 'lib/utils.rb', line 37

def green;          colorize(32) end

#italic ⇒ Object 



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# File 'lib/utils.rb', line 45

def italic;         colorize(3, 24) end

#no_bold ⇒ Object 



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# File 'lib/utils.rb', line 32

def no_bold;        colorize(22, 22) end

#no_colors ⇒ Object 



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# File 'lib/utils.rb', line 29

def no_colors
  self.gsub(/\e\[\d+m/, "")
end

#purple ⇒ Object 



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# File 'lib/utils.rb', line 40

def purple;         colorize(35) end

#red ⇒ Object 



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# File 'lib/utils.rb', line 36

def red;            colorize(31) end

#reset_colors ⇒ Object 



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# File 'lib/utils.rb', line 33

def reset_colors;   colorize(0) end

#reverse_color ⇒ Object 



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# File 'lib/utils.rb', line 48

def reverse_color;  colorize(7, 27) end

#underline ⇒ Object 



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# File 'lib/utils.rb', line 46

def underline;      colorize(4, 34) end

#yellow ⇒ Object 



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# File 'lib/utils.rb', line 38

def yellow;         colorize(33) end