Class: ArgCollection

Inherits:
Object
  • Object
show all
Defined in:
lib/pretty_args.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ ArgCollection

Returns a new instance of ArgCollection.



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# File 'lib/pretty_args.rb', line 30

def initialize *args
   @args = []
   @arg_length = 0
   @description_width = 40

	if !args.empty?
     add_args args
   end
end

Instance Attribute Details

#arg_length ⇒ Object

Returns the value of attribute arg_length.



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# File 'lib/pretty_args.rb', line 28

def arg_length
  @arg_length
end

#args ⇒ Object

Returns the value of attribute args.



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# File 'lib/pretty_args.rb', line 28

def args
  @args
end

#description_width ⇒ Object

Returns the value of attribute description_width.



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# File 'lib/pretty_args.rb', line 28

def description_width
  @description_width
end

Instance Method Details

#add(label, description) ⇒ Object 



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# File 'lib/pretty_args.rb', line 40

def add label, description
  add_arg Arg.new(label, description)
end

#add_arg(ar) ⇒ Object 



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# File 'lib/pretty_args.rb', line 44

def add_arg ar
	@args << ar
   @arg_length += ar.label.length + 3
end

#add_args(args) ⇒ Object 



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# File 'lib/pretty_args.rb', line 49

def add_args args
  args.each do |a|
    add_arg a
  end
end

#draw ⇒ Object 



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# File 'lib/pretty_args.rb', line 55

def draw
	@args.each { |arg| print arg.label + "   " }
	puts ""
	@args.each { |arg| print (" "*arg.hl), "┬", (" "*arg.hl), "   " }
	puts ""
	@args.each { |arg| print (" "*arg.hl), "│", (" "*arg.hl), "   " }
	puts ""

   r = @args.size - 1

	for u in 0..r
		i = @args.size - u - 1;
     m = ""
		for k in 0..(i-1)
			m += (" "*@args[k].hl) + "│" + (" "*@args[k].hl) + "   "
		end
		s = m + (" "*@args[i].hl)
     p = (s+ "└").ljust(@arg_length , "─")
     print p + ' '


     t = @args[i].description
     puts t.slice!(0..40)
     while !t.empty?
       puts s.ljust(@arg_length , " ") + ' ' + t.slice!(0..40)
     end
	end
end