class Sinatra::Base

def compile(path)
  keys = []
  if path.respond_to? :to_str
    ignore = ""
    pattern = path.to_str.gsub(/[^\?\%\\\/\:\*\w]/) do |c|
      ignore << escaped(c).join if c.match(/[\.@]/)
      patt = encoded(c)
      patt.gsub(/%[\da-fA-F]{2}/) do |match|
        match.split(//).map {|char| char =~ /[A-Z]/ ? "[#{char}#{char.tr('A-Z', 'a-z')}]" : char}.join
      end
    end
    pattern.gsub!(/((:\w+)|\*)/) do |match|
      if match == "*"
        keys << 'splat'
        "(.*?)"
      else
        keys << $2[1..-1]
        ignore_pattern = safe_ignore(ignore)
        ignore_pattern
      end
    end
    [/\A#{pattern}\z/, keys]
  elsif path.respond_to?(:keys) && path.respond_to?(:match)
    [path, path.keys]
  elsif path.respond_to?(:names) && path.respond_to?(:match)
    [path, path.names]
  elsif path.respond_to? :match
    [path, keys]
  else
    raise TypeError, path
  end
end