module Roda::RodaPlugins::Hooks::ClassMethods

def after(&block)
  opts[:after_hooks] << define_roda_method("after_hook", 1, &block)
  if opts[:after_hooks].length == 1
    class_eval("alias _roda_after_80__hooks #{opts[:after_hooks].first}", __FILE__, __LINE__)
  else
    class_eval("def _roda_after_80__hooks(res) #{opts[:after_hooks].map{|m| "#{m}(res)"}.join(';')} end", __FILE__, __LINE__)
  end
  private :_roda_after_80__hooks
  def_roda_after
  nil
end

def before(&block)
  opts[:before_hooks].unshift(define_roda_method("before_hook", 0, &block))
  if opts[:before_hooks].length == 1
    class_eval("alias _roda_before_10__hooks #{opts[:before_hooks].first}", __FILE__, __LINE__)
  else
    class_eval("def _roda_before_10__hooks; #{opts[:before_hooks].join(';')} end", __FILE__, __LINE__)
  end
  private :_roda_before_10__hooks
  def_roda_before
  nil
end

def freeze
  opts[:after_hooks].freeze
  opts[:before_hooks].freeze
  super
end