Module: Console::Colors

Defined in:
lib/jarl/console.rb

Overview

module Utils

Constant Summary collapse

SEQUENCE = 
%w(31 32 33 34 35 36 37 31;1 32;1 33;1 34;1 35;1 36;1 37;1)

Instance Method Summary collapse

Instance Method Details

#esc_blue(text) ⇒ Object

Returns ANSI escaped string for the blue colored text.



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# File 'lib/jarl/console.rb', line 61

def esc_blue(text)
  esc_color 34, text
end

#esc_bold(text) ⇒ Object

Returns ANSI escaped string for the bold text.



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# File 'lib/jarl/console.rb', line 67

def esc_bold(text)
  esc_string "\e[01;37m", text
end

#esc_color(color_code, text) ⇒ Object

Returns ANSI escaped string for the colored text.



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# File 'lib/jarl/console.rb', line 37

def esc_color(color_code, text)
  esc_string "\e[#{color_code}m", text
end

#esc_format(*args) ⇒ Object

Returns string with formatted and padded fields Each arg is an Array:

<text>, [padding_num], [color]


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# File 'lib/jarl/console.rb', line 87

def esc_format(*args)
  out = []
  args.each do |arg|
    out << esc_pad(arg[0], arg[1] || 0, arg[2])
  end
  out.join(' ')
end

#esc_green(text) ⇒ Object

Returns ANSI escaped string for the green colored text.



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# File 'lib/jarl/console.rb', line 49

def esc_green(text)
  esc_color 32, text
end

#esc_pad(text, num, color = nil) ⇒ Object

Returns string padded to given number of characters, text can be escaped.



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# File 'lib/jarl/console.rb', line 73

def esc_pad(text, num, color = nil)
  esc_text = text
  case color
  when :red, :yellow, :green
    esc_text = send :"esc_#{color}", text
  end
  pad = esc_text.size - text.size
  num > 0 ? ("%-#{num + pad}s" % esc_text) : esc_text
end

#esc_red(text) ⇒ Object

Returns ANSI escaped string for the red colored text.



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# File 'lib/jarl/console.rb', line 43

def esc_red(text)
  esc_color 31, text
end

#esc_string(esc, text) ⇒ Object

Returns ANSI escaped string.



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# File 'lib/jarl/console.rb', line 31

def esc_string(esc, text)
  esc + text.to_s + "\e[0m"
end

#esc_yellow(text) ⇒ Object

Returns ANSI escaped string for the yellow colored text.



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# File 'lib/jarl/console.rb', line 55

def esc_yellow(text)
  esc_color 33, text
end