Module: DTC::Utils::Text::ANSI

Defined in:
lib/dtc/utils/text/ansi.rb

Constant Summary collapse

DISPLAY_ATTRIBUTES = 
({
  :reset => 0,
  :bold => 1,
  :underline => 4,
  :reverse => 7,
  :black => 30,
  :red => 31,
  :green => 32,
  :yellow => 33,
  :blue => 34,
  :magenta => 35,
  :cyan => 36,
  :white => 37,
  :bg_black => 40,
  :bg_red => 41,
  :bg_green => 42,
  :bg_yellow => 43,
  :bg_blue => 44,
  :bg_magenta => 45,
  :bg_cyan => 46,
  :bg_white => 47,
})

Class Method Summary collapse

Class Method Details

.coloured_string(*att_text) ⇒ Object 



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# File 'lib/dtc/utils/text/ansi.rb', line 31

def self.coloured_string *att_text
  if att_text.last.is_a?(FalseClass)
    att_text.pop
  else
    unless (att_text.select { |e| e.is_a?(Symbol) }.last == :reset)
      att_text.push :reset
    end
  end
  att_text.map { |t|
    t.is_a?(String) ? t : escape_for_display_attributes(*Array(t))
  }.join("")
end

.escape_for_display_attributes(*attrs) ⇒ Object 



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# File 'lib/dtc/utils/text/ansi.rb', line 28

def self.escape_for_display_attributes *attrs
  "\033[#{attrs.map { |e| DISPLAY_ATTRIBUTES[e] || e}.join(";")}m"
end