class Rouge::CLI::Help

def self.desc
  "print help info"
end

def self.doc
  return enum_for(:doc) unless block_given?
  yield %|usage: rougify help <command>|
  yield %||
  yield %|print help info for <command>.|
end

def self.parse(argv)
  opts = { :mode => CLI }
  until argv.empty?
    arg = argv.shift
    klass = class_from_arg(arg)
    if klass
      opts[:mode] = klass
      next
    end
  end
  new(opts)
end

def initialize(opts={})
  @mode = opts[:mode]
end

def run
  @mode.doc.each(&method(:puts))
end