Module: AnsiColor

Defined in:
lib/kitsune/kit/ansi_color.rb

Constant Summary collapse

COLORS = 
{
  black:   30,
  red:     31,
  green:   32,
  yellow:  33,
  blue:    34,
  magenta: 35,
  cyan:    36,
  white:   37,

  light_black:   90,
  light_red:     91,
  light_green:   92,
  light_yellow:  93,
  light_blue:    94,
  light_magenta: 95,
  light_cyan:    96,
  light_white:   97
}
BACKGROUNDS = 
{
  black:   40,
  red:     41,
  green:   42,
  yellow:  43,
  blue:    44,
  magenta: 45,
  cyan:    46,
  white:   47,

  light_black:   100,
  light_red:     101,
  light_green:   102,
  light_yellow:  103,
  light_blue:    104,
  light_magenta: 105,
  light_cyan:    106,
  light_white:   107
}
STYLES = 
{
  bold:      1,
  italic:    3,
  underline: 4
}

Class Method Summary collapse

Class Method Details

.colorize(text, color: nil, background: nil, style: nil) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/kitsune/kit/ansi_color.rb', line 48

def self.colorize(text, color: nil, background: nil, style: nil)
  codes = []
  codes << COLORS[color] if color
  codes << BACKGROUNDS[background] if background
  codes << STYLES[style] if style

  raise ArgumentError, "No valid formatting options given" if codes.empty?

  "\e[#{codes.join(';')}m#{text}\e[0m"
end

.demo ⇒ Object 



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# File 'lib/kitsune/kit/ansi_color.rb', line 59

def self.demo
  puts "Text Colors:"
  COLORS.each_key do |color|
    puts colorize("  #{color.to_s.ljust(15)}", color: color)
  end

  puts "\nBackground Colors:"
  BACKGROUNDS.each_key do |bg|
    puts colorize("  #{bg.to_s.ljust(15)}", background: bg)
  end

  puts "\nStyles:"
  STYLES.each_key do |style|
    puts colorize("  #{style.to_s.ljust(15)}", color: :white, style: style)
  end

  puts "\nCombined Example:"
  puts colorize("  bold green on light_black  ", color: :green, background: :light_black, style: :bold)
end