Middleware that applies chunked transfer encoding to response bodies when the response does not include a Content-Length header.

Namespace
Methods
C
N
Included Modules
Class Public methods
new(app)
# File lib/rack/chunked.rb, line 38
def initialize(app)
  @app = app
end
Instance Public methods
call(env)
# File lib/rack/chunked.rb, line 53
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
chunkable_version?(ver)

pre-HTTP/1.0 (informally “HTTP/0.9”) HTTP requests did not have a version (nor response headers)

# File lib/rack/chunked.rb, line 44
def chunkable_version?(ver)
  case ver
  when "HTTP/1.0", nil, "HTTP/0.9"
    false
  else
    true
  end
end