gistfile1.rb

def menu_link(text, target, icon=nil, attributes={})
  # Find path
  path = target.is_a?(String) ? target : target.path
  raise RuntimeError, "Cannot create a link to #{target.inspect} because this target is not outputted (its routing rule returns nil)" if path.nil?

  # Check for current page
  if @item_rep && @item_rep.path == path
    activestr = " class='active'"
  else
    activestr = ""
  end

  # Handle the icon
  iconstr = icon ? "<i class='#{icon}'></i>" : ""

  # Join attributes
  attributes = attributes.inject('') do |memo, (key, value)|
    memo + key.to_s + '="' + h(value) + '" '
  end

  # Create link
  "<li#{activestr}><a #{attributes}href='#{h path}'>#{iconstr}#{text}</a></li>"
end