class Cucumber::StepMother::Hook

def execute_in(world, scenario, location)
  world.cucumber_instance_exec(false, location, scenario, &@proc)
end

def initialize(tag_names, proc)
  @tag_names = tag_names.map{|tag| Ast::Tags.strip_prefix(tag)}
  @proc = proc
end

def matches_tag_names?(tag_names)
  @tag_names.empty? || (@tag_names & tag_names).any?
end