def cookies_for_host(host)
      host_cookies = (@params[host] || {})
      sub_domains  = host.split('.')

      while sub_domains.length > 2
        sub_domains.shift

        if (parent_cookies = @params[sub_domains.join('.')])
          parent_cookies.each do |name,value|
            # copy in the parent cookies, only if they haven't been
            # overridden yet.
            unless host_cookies.has_key?(name)
              host_cookies[name] = value
            end
          end
        end
      end

      return host_cookies
    end
def cookies_for_host(host)
      host_cookies = (@params[host] || {})
      sub_domains  = host.split('.')

      while sub_domains.length > 2
        sub_domains.shift

        if (parent_cookies = @params[sub_domains.join('.')])
          parent_cookies.each do |name,value|
            # copy in the parent cookies, only if they haven't been
            # overridden yet.
            unless host_cookies.has_key?(name)
              host_cookies[name] = value
            end
          end
        end
      end

      return host_cookies
    end
Returns raw cookie value pairs for a given host. Includes cookies set on
 parent domain(s).

 @param [String] host
   The name of the host.

 @return [Hash{String => String}]
   Cookie params.

 @since 0.2.7