# File lib/rest.rb, line 139
  def parameters
    result = Array.new
    @path.scan( /[^=]<(.*?)(\??)>/ ) do |p|
      node = self
      found = false
      optional = $2.empty? ? false : true
      while( node && !found )
        node.children.each do |c|
          if ( c.is_a?( Parameter ) && c.name == $1 )
            c.optional = optional
            result.push c
            found = true
            break
          end
        end
        node = node.parent
      end
      if ( !found )
        n = Parameter.new( $1 )
        n.optional = optional
        result.push n
      end
    end
    result
  end