class ActionDispatch::Routing::Route

def initialize(set, app, conditions, requirements, defaults, name, anchor)
  @set = set
  @app = app
  @defaults = defaults
  @name = name
  @requirements = requirements.merge(defaults)
  @requirements.delete(:controller) if @requirements[:controller].is_a?(Regexp)
  @requirements.delete_if { |k, v|
    v == Regexp.compile("[^#{SEPARATORS.join}]+")
  }
  if path = conditions[:path_info]
    @path = path
    conditions[:path_info] = ::Rack::Mount::Strexp.compile(path, requirements, SEPARATORS, anchor)
  end
  @conditions = conditions.inject({}) { |h, (k, v)|
    h[k] = Rack::Mount::RegexpWithNamedGroups.new(v)
    h
  }
  @conditions.delete_if{ |k,v| k != :path_info && !valid_condition?(k) }
  @requirements.delete_if{ |k,v| !valid_condition?(k) }
end

def segment_keys
  @segment_keys ||= conditions[:path_info].names.compact.map { |key| key.to_sym }
end

def to_a
  [@app, @conditions, @defaults, @name]
end

def to_s
  @to_s ||= begin
    "%-6s %-40s %s" % [(verb || :any).to_s.upcase, path, requirements.inspect]
  end
end

def valid_condition?(method)
  segment_keys.include?(method) || set.valid_conditions.include?(method)
end

def verb
  if method = conditions[:request_method]
    case method
    when Regexp
      source = method.source.upcase
      source =~ /\A\^[-A-Z|]+\$\Z/ ? source[1..-2] : source
    else
      method.to_s.upcase
    end
  end
end