Module: Goethe::Tech

Defined in:
lib/goethe.rb

Constant Summary collapse

Colors = 
[:black, :red, :green, :yellow, :blue, :purple, :cyan, :white]
BG =

ANSI codes


      
        
FG =
          
        

        

      
        
Mod =
          
        

        
{
:bold       => '1',
:bright     => '1',
:underline  => '4',
:blink      => '5'}


      
        
ESC =
          
        

        
"\033["


      
        
UNESC =
          
        

        
'm'


      
        
RESET =
          
        

        
ESC + '0' + UNESC


      
    

  







  
    

      Class Method Summary
      collapse
    


    
  



  

    
Class Method Details


    
      

  

  
    .colorize(fg, args)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/goethe.rb', line 32

def self.colorize( fg, args )

    text = args.select {|arg| arg.is_a? String }.join

    deco = (args & Mod.keys)

    pre = deco.empty? ? nil :
      deco.map {|k| Mod[k] }.join(';')

    match = (args & Colors).first
    bg = match ? BG[match] : nil

    code = [ pre, FG[fg], bg ].compact.join( ';' )

    ESC + code + UNESC + text + RESET
end