BNF
RFC 2965 を元に、 FWS を補うなど修正した http-response /= Set-Cookie
http-request /= Cookie / Cookie2
Set-Cookie = "Set-Cookie2:" [FWS] cookies [FWS]
Cookie = "Cookie:" [FWS] cookie-version
1*([FWS] cookie-separator [FWS] cookie-value) [FWS]
Cookie2 = "Cookie2:" cookie-version
cookie-separator = ";" ;; 過去との互換性のためこちらを使用する
/ "," ;; 将来との互換性のためサーバーは認識すべし cookies = a-cookie *([FWS] "," [FWS] a-cookie)
a-cookie = NAME [FWS] "=" [FWS] VALUE *([FWS] ";" [FWS] cookie-av)
cookie-av = comment-av / domain-av / max-age-av / path-av
/ secure-av / version-av / commenturl-av / discard-av
/ port-av
cookie-value = NAME [FWS] "=" [FWS] VALUE FWS] ";" [FWS] path]
FWS] ";" [FWS] domain[FWS] ";" [FWS] port] NAME = attr ;; 「$」で始まる名前は予約
VALUE = value
comment-av = "Comment" [FWS] "=" [FWS] utf-8-value
domain-av = "Domain" [FWS] "=" [FWS] domain-value
max-age-av = "Max-Age" [FWS] "=" [FWS] delta-value
path-av = "Path" [FWS] "=" [FWS] path-value
secure-av = "Secure"
version-av = "Version" [FWS] "=" [FWS] version
path = "$Path" [FWS] "=" [FWS] path-value
domain = "$Domain" [FWS] "=" [FWS] domain-value
cookie-version = "$Version" [FWS] "=" [FWS] version-value
commenturl-av = "CommentURL" [FWS] "=" [FWS] <"> http_URL <">
discard-av = "Discard"
port-av = "Port" [ [FWS] "=" [FWS] <"> portlist <"> ]
port = "$Port" [ [FWS] "=" [FWS] <"> portlist <"> ]
attr = http-token
value = http-token / quoted-string
domain-value = ["."] dot-http-token / <"> ["."] dot-atom <">
path-value = abs_path / <"> abs_path <">
delta-value = delta-seconds / <"> delta-seconds <">
delta-seconds = 1*DIGIT
this-version = "1" ;; 1*DIGIT
version = 1*DIGIT
version-value = version / <"> version <">
portlist = portnum *([FWS] "," [FWS] portnum)
portnum = 1*DIGIT
utf-8 = <a UTF-8 [RFC 2279] character>
utf-8-value = *token / <"> *utf-8 <">