Module: UtilityBelt::Equipper

Defined in:
lib/utility_belt/equipper.rb

Constant Summary collapse

GADGETS = 
Dir[File.join(File.dirname(__FILE__), '*.rb')].map{|file| File.basename(file)[0..-4]}.reject{|gadget| "equipper" == gadget }
DEFAULTS = 
%w{wirble
hash_math
interactive_editor
irb_options
irb_verbosity_control}

Class Method Summary collapse

Class Method Details

.equip(*args) ⇒ Object 



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# File 'lib/utility_belt/equipper.rb', line 26

def equip(*args)
  return if args.empty?

  gadgets_to_equip = []

  # Special case using :all or :none
  if args[0].is_a?(Symbol) && [:all, :none, :defaults].include?(args[0])
    what = args[0]

    unless args[1].nil?
      exceptions = args[1].has_key?(:except) ? args[1][:except] : []

      # Handle special case where we get a string or a symbol instead of an array
      exceptions = exceptions.to_s.to_a unless exceptions.is_a?( Array )
    else
      exceptions = []
    end

    case what
    when :all
      gadgets_to_equip.push(*(GADGETS - exceptions))
    when :none
      gadgets_to_equip.push(*exceptions)
    when :defaults
      gadgets_to_equip.push(*DEFAULTS)
    end
  # otherwise, args is a list of gadgets to equip
  else
    args.each do |arg|
      gadget = arg.to_s

      # Silently ignore unkown gadgets
      gadgets_to_equip << gadget if GADGETS.include? gadget
    end
  end

  gadgets_to_equip.each{|gadget| require "utility_belt/#{gadget}" }

  @equipped ||= true
end

.equipped? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/utility_belt/equipper.rb', line 66

def equipped?
  @equipped
end