find_class_by_name

# File lib/rdoc/ri/reader.rb, line 24
  def find_class_by_name(full_name)
    names = full_name.split(/::/)
    ns = @cache.toplevel
    for name in names
      ns = ns.contained_class_named(name)
      return nil if ns.nil?
    end
    get_class(ns)
  end