module YARD::Server::Commands::StaticFileHelpers

def favicon?
  return unless request.path == '/favicon.ico'
  headers['Content-Type'] = 'image/png'
  self.status = 200
  self.body = ''
  raise FinishRequest
end

def find_file(adapter, url)
  # this const was defined in StaticFileCommand originally
  static_paths = StaticFileCommand::STATIC_PATHS
  file = nil
  ([adapter.document_root] + static_paths.reverse).compact.each do |path_prefix|
    file = File.join(path_prefix, url)
    break if File.exist?(file)
    file = nil
  end
  # Search in default/fulldoc/html template if nothing in static asset paths
  assets_template = Templates::Engine.template(:default, :fulldoc, :html)
  file || assets_template.find_file(url)
end

def static_template_file?
  # this const was defined in StaticFileCommand originally
  default_mime_types = StaticFileCommand::DefaultMimeTypes
  file = find_file(adapter, path)
  if file
    ext = "." + (path[/\.(\w+)$/, 1] || "html")
    headers['Content-Type'] = mime_type(ext, default_mime_types)
    self.body = File.read(file)
    raise FinishRequest
  end
end