http_url(full_name, prefix)
Returns the relative file name to store this class in, which is also its url
# File lib/rdoc/generator.rb, line 512 def http_url(full_name, prefix) path = full_name.dup path.gsub!(/<<\s*(\w*)/, 'from-\1') if path['<<'] ::File.join(prefix, path.split("::")) + ".html" end