response_line_parsing_state_diagram.txt

@startuml

'Copyright (c) 2013-2015 Ken Barker

title HTTP Response Line Parsing States

[*] --> HTTP

HTTP : Check HTTP 
HTTP : text & version
HTTP --> STATUS : Ok
HTTP --> Error : Failure

STATUS : Check whitespace length,
STATUS : status length & numeric
STATUS --> REASON : Ok
STATUS --> Error : Failure

REASON : Check whitespace length
REASON : & reason length
REASON --> CRLF : Ok
REASON --> Error : Failure

CRLF : Check CR & LF chars
CRLF --> [*] : Ok
CRLF --> Error : Failure

Error : Reason for error
Error : can be determined
Error : from parsing state

@enduml