Module: Kat::Colour

Included in:
Array, String, Symbol
Defined in:
lib/kat/colour.rb

Constant Summary collapse

COLOURS = 
%w(black red green yellow blue magenta cyan white)
@@colour = 
capable?

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.capable? ⇒ Boolean

From AwesomePrint.colorize? by Michael Dvorkin github.com/michaeldv/awesome_print/blob/master/lib/awesome_print/inspector.rb

Returns:



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# File 'lib/kat/colour.rb', line 7

def self.capable?
  STDOUT.tty? && (ENV['TERM'] && ENV['TERM'] != 'dumb' || ENV['ANSICON'])
end

.colour=(f) ⇒ Object 



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# File 'lib/kat/colour.rb', line 11

def self.colour=(f)
  @@colour = f && capable?
end

.colour? ⇒ Boolean

Returns:



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# File 'lib/kat/colour.rb', line 15

def self.colour?
  @@colour
end

Instance Method Details

#colour? ⇒ Boolean

Returns:



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# File 'lib/kat/colour.rb', line 21

def colour?
  @@colour
end

#uncolour ⇒ Object 



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# File 'lib/kat/colour.rb', line 30

def uncolour
  case self
  when String then gsub(/\e\[[0-9;]+?m(.*?)\e\[0m/, '\\1')
  when Array  then map { |e| e.uncolour if e }
  else self
  end
end

#uncolour! ⇒ Object 



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# File 'lib/kat/colour.rb', line 38

def uncolour!
  case self
  when String then replace uncolour
  when Array  then each { |e| e.uncolour! if e }
  end

  self
end