class ActionView::PathResolver

def build_query(path, details)
  query = @pattern.dup
  prefix = path.prefix.empty? ? '' : "#{escape_entry(path.prefix)}\\1"
  query.gsub!(/:prefix(\/)?/, prefix)
  partial = escape_entry(path.partial? ? "_#{path.name}" : path.name)
  query.gsub!(/:action/, partial)
  details.each do |ext, candidates|
    if ext == :variants && candidates == :any
      query.gsub!(/:#{ext}/, "*")
    else
      query.gsub!(/:#{ext}/, "{#{candidates.compact.uniq.join(',')}}")
    end
  end
  File.expand_path(query, @path)
end