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?? auth
?? backports
?? body_proxy.rb(958 B)
?? builder.rb(4.27 KB)
?? cascade.rb(1.34 KB)
?? chunked.rb(1.58 KB)
?? commonlogger.rb(2.28 KB)
?? conditionalget.rb(2.5 KB)
?? config.rb(379 B)
?? content_length.rb(840 B)
?? content_type.rb(670 B)
?? deflater.rb(4.57 KB)
?? directory.rb(4.2 KB)
?? etag.rb(2.11 KB)
?? file.rb(4.09 KB)
?? handler
?? handler.rb(3.25 KB)
?? head.rb(484 B)
?? lint.rb(29.26 KB)
?? lobster.rb(1.97 KB)
?? lock.rb(601 B)
?? logger.rb(357 B)
?? methodoverride.rb(1.01 KB)
?? mime.rb(30.94 KB)
?? mock.rb(5.68 KB)
?? multipart
?? multipart.rb(1.14 KB)
?? nulllogger.rb(951 B)
?? recursive.rb(1.73 KB)
?? reloader.rb(2.97 KB)
?? request.rb(12.59 KB)
?? response.rb(4.33 KB)
?? rewindable_input.rb(3.19 KB)
?? runtime.rb(961 B)
?? sendfile.rb(5.18 KB)
?? server.rb(10.8 KB)
?? session
?? showexceptions.rb(11.7 KB)
?? showstatus.rb(3.46 KB)
?? static.rb(4.88 KB)
?? tempfile_reaper.rb(670 B)
?? urlmap.rb(2.46 KB)
?? utils
?? utils.rb(20.86 KB)

Editing: response.rb

require 'rack/request'
require 'rack/utils'
require 'rack/body_proxy'
require 'time'

module Rack
  # Rack::Response provides a convenient interface to create a Rack
  # response.
  #
  # It allows setting of headers and cookies, and provides useful
  # defaults (a OK response containing HTML).
  #
  # You can use Response#write to iteratively generate your response,
  # but note that this is buffered by Rack::Response until you call
  # +finish+.  +finish+ however can take a block inside which calls to
  # +write+ are synchronous with the Rack response.
  #
  # Your application's +call+ should end returning Response#finish.

class Response
    attr_accessor :length

CHUNKED = 'chunked'.freeze
    TRANSFER_ENCODING = 'Transfer-Encoding'.freeze
    def initialize(body=[], status=200, header={})
      @status = status.to_i
      @header = Utils::HeaderHash.new.merge(header)

@chunked = CHUNKED == @header[TRANSFER_ENCODING]
      @writer  = lambda { |x| @body << x }
      @block   = nil
      @length  = 0

@body = []

if body.respond_to? :to_str
        write body.to_str
      elsif body.respond_to?(:each)
        body.each { |part|
          write part.to_s
        }
      else
        raise TypeError, "stringable or iterable required"
      end

yield self  if block_given?
    end

attr_reader :header
    attr_accessor :status, :body

def [](key)
      header[key]
    end

def []=(key, value)
      header[key] = value
    end

def set_cookie(key, value)
      Utils.set_cookie_header!(header, key, value)
    end

def delete_cookie(key, value={})
      Utils.delete_cookie_header!(header, key, value)
    end

def redirect(target, status=302)
      self.status = status
      self["Location"] = target
    end

def finish(&block)
      @block = block

if [204, 205, 304].include?(status.to_i)
        header.delete CONTENT_TYPE
        header.delete CONTENT_LENGTH
        close
        [status.to_i, header, []]
      else
        [status.to_i, header, BodyProxy.new(self){}]
      end
    end
    alias to_a finish           # For *response
    alias to_ary finish         # For implicit-splat on Ruby 1.9.2

def each(&callback)
      @body.each(&callback)
      @writer = callback
      @block.call(self)  if @block
    end

# Append to body and update Content-Length.
    #
    # NOTE: Do not mix #write and direct #body access!
    #
    def write(str)
      s = str.to_s
      @length += Rack::Utils.bytesize(s) unless @chunked
      @writer.call s

header[CONTENT_LENGTH] = @length.to_s unless @chunked
      str
    end

def close
      body.close if body.respond_to?(:close)
    end

def empty?
      @block == nil && @body.empty?
    end

alias headers header

module Helpers
      def invalid?;            status < 100 || status >= 600;        end

def informational?;      status >= 100 && status < 200;        end
      def successful?;         status >= 200 && status < 300;        end
      def redirection?;        status >= 300 && status < 400;        end
      def client_error?;       status >= 400 && status < 500;        end
      def server_error?;       status >= 500 && status < 600;        end

def ok?;                 status == 200;                        end
      def created?;            status == 201;                        end
      def accepted?;           status == 202;                        end
      def bad_request?;        status == 400;                        end
      def unauthorized?;       status == 401;                        end
      def forbidden?;          status == 403;                        end
      def not_found?;          status == 404;                        end
      def method_not_allowed?; status == 405;                        end
      def i_m_a_teapot?;       status == 418;                        end
      def unprocessable?;      status == 422;                        end

def redirect?;           [301, 302, 303, 307].include? status; end

# Headers
      attr_reader :headers, :original_headers

def include?(header)
        !!headers[header]
      end

def content_type
        headers[CONTENT_TYPE]
      end

def content_length
        cl = headers[CONTENT_LENGTH]
        cl ? cl.to_i : cl
      end

def location
        headers["Location"]
      end
    end

include Helpers
  end
end

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