module Bundler::Audit::CLI::Formats

def self.[](name)
  @registry[name.to_sym]
end

def self.load(name)
  name = name.to_s
  path = File.join(DIR,File.basename(name))
  begin
    require path
  rescue LoadError
    raise(FormatNotFound,"could not load format #{name.inspect}")
  end
  unless (format = self[name])
    raise(FormatNotFound,"unknown format #{name.inspect}")
  end
  return  format
end

def self.register(name,format)
  unless format.instance_methods.include?(:print_report)
    raise(NotImplementedError,"#{format.inspect} does not define #print_report")
  end
  @registry[name.to_sym] = format
end