gistfile1.txt

class Quiz
  def initialize
    @f = {}
    @f['en.steps.foo'] = 'bar'
    @f['en.steps.bar'] = 'wiggity'
    @f['en.boogie.foo'] = 'liar'
    @f['en.boogie.baz.noodles'] = 'potatosack'
    @new_hash = {}
  end 

  def run 
    main_hash = {}
    @f.each_pair do |k,v|
      key_array = k.split(".")
      key_array.each_with_index do |key,i|
        case i
        when 0
          main_hash[key] = {} unless main_hash.keys.include?(key)
        when 1
          main_hash[key_array.first][key] = {} unless main_hash[main_hash.keys.first].keys.include?(key)
        when 2
          main_hash[key_array.first][key_array[i - 1]][key] = v if !(key_array.count > (i + 1)) 
          main_hash[key_array.first][key_array[i - 1]][key] = {} if (key_array.count > (i + 1)) 
        when 3
          main_hash[key_array.first][key_array.second][key_array.third][key] = v 
        end 
      end 
    end 
    main_hash
  end 
end