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PATH: opt / alt / ruby18 / lib64 / ruby / gems / 1.8 / gems / rack-1.6.1 / lib / rack

require 'rack/utils'

module Rack

# Middleware that applies chunked transfer encoding to response bodies
  # when the response does not include a Content-Length header.
  class Chunked
    include Rack::Utils

# A body wrapper that emits chunked responses
    class Body
      TERM = "\r\n"
      TAIL = "0#{TERM}#{TERM}"

include Rack::Utils

def initialize(body)
        @body = body
      end

def each
        term = TERM
        @body.each do |chunk|
          size = bytesize(chunk)
          next if size == 0

chunk = chunk.dup.force_encoding(Encoding::BINARY) if chunk.respond_to?(:force_encoding)
          yield [size.to_s(16), term, chunk, term].join
        end
        yield TAIL
      end

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

def initialize(app)
      @app = app
    end

# pre-HTTP/1.0 (informally "HTTP/0.9") HTTP requests did not have
    # a version (nor response headers)
    def chunkable_version?(ver)
      case ver
      when "HTTP/1.0", nil, "HTTP/0.9"
        false
      else
        true
      end
    end

def call(env)
      status, headers, body = @app.call(env)
      headers = HeaderHash.new(headers)

if ! chunkable_version?(env['HTTP_VERSION']) ||
         STATUS_WITH_NO_ENTITY_BODY.include?(status) ||
         headers[CONTENT_LENGTH] ||
         headers['Transfer-Encoding']
        [status, headers, body]
      else
        headers.delete(CONTENT_LENGTH)
        headers['Transfer-Encoding'] = 'chunked'
        [status, headers, Body.new(body)]
      end
    end
  end
end

[+] auth
[-] rewindable_input.rb [edit]
[-] deflater.rb [edit]
[-] lobster.rb [edit]
[-] tempfile_reaper.rb [edit]
[-] directory.rb [edit]
[-] utils.rb [edit]
[+] multipart
[-] builder.rb [edit]
[-] response.rb [edit]
[-] request.rb [edit]
[-] server.rb [edit]
[-] methodoverride.rb [edit]
[+] handler
[-] head.rb [edit]
[-] logger.rb [edit]
[-] static.rb [edit]
[+] backports
[-] mock.rb [edit]
[-] chunked.rb [edit]
[-] runtime.rb [edit]
[-] nulllogger.rb [edit]
[-] urlmap.rb [edit]
[-] showexceptions.rb [edit]
[+] ..
[-] mime.rb [edit]
[-] config.rb [edit]
[-] lint.rb [edit]
[-] commonlogger.rb [edit]
[-] content_type.rb [edit]
[-] reloader.rb [edit]
[+] utils
[-] recursive.rb [edit]
[-] multipart.rb [edit]
[-] body_proxy.rb [edit]
[-] sendfile.rb [edit]
[-] etag.rb [edit]
[-] cascade.rb [edit]
[-] file.rb [edit]
[-] conditionalget.rb [edit]
[-] lock.rb [edit]
[-] handler.rb [edit]
[-] showstatus.rb [edit]
[+] session
[-] content_length.rb [edit]