Module: RequestLogAnalyzer::Output::FixedWidth::Color

Defined in:
lib/request_log_analyzer/output/fixed_width.rb

Overview

Colorize module

Constant Summary collapse

STYLES = 
{ :normal => 0, :bold => 1, :underscore => 4, :blink => 5, :inverse => 7, :concealed => 8 }
COLORS = 
{ :black  => 0, :blue => 4, :green => 2, :cyan => 6, :red => 1, :purple => 5, :brown => 3, :white => 7 }

Instance Method Summary collapse

Instance Method Details

#colorize(text, *options) ⇒ Object

Colorize text text The text to colorize Options

* <tt>:background</tt> The background color to paint. Defined in Color::COLORS
* <tt>:color</tt> The foreground color to paint. Defined in Color::COLORS
* <tt>:on</tt> Alias for :background
* <tt>:style</tt> Font style, defined in Color::STYLES

Returns ASCII colored string



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# File 'lib/request_log_analyzer/output/fixed_width.rb', line 30

def colorize(text, *options)
    
  font_style       = ''
  foreground_color = '0'
  background_color = ''

  options.each do |option|
    if option.kind_of?(Symbol)
      foreground_color = "3#{COLORS[option]}" if COLORS.include?(option)
      font_style       = "#{STYLES[option]};" if STYLES.include?(option)          
    elsif option.kind_of?(Hash)
      options.each do |key, value|
        case key
        when :color;      foreground_color = "3#{COLORS[value]}"  if COLORS.include?(value)
        when :background; background_color = "4#{COLORS[value]};" if COLORS.include?(value)
        when :on;         background_color = "4#{COLORS[value]};" if COLORS.include?(value)
        when :style;      font_style       = "#{STYLES[value]};"  if STYLES.include?(value)
        end
      end
    end
  end
  return "\e[#{background_color}#{font_style}#{foreground_color}m#{text}\e[0m"
end