/// `Set-Cookie` header, defined [RFC6265](http://tools.ietf.org/html/rfc6265#section-4.1)
///
/// The Set-Cookie HTTP response header is used to send cookies from the
/// server to the user agent.
///
/// Informally, the Set-Cookie response header contains the header name
/// "Set-Cookie" followed by a ":" and a cookie. Each cookie begins with
/// a name-value-pair, followed by zero or more attribute-value pairs.
///
/// # ABNF
///
/// ```text
/// set-cookie-header = "Set-Cookie:" SP set-cookie-string
/// set-cookie-string = cookie-pair *( ";" SP cookie-av )
/// cookie-pair = cookie-name "=" cookie-value
/// cookie-name = token
/// cookie-value = *cookie-octet / ( DQUOTE *cookie-octet DQUOTE )
/// cookie-octet = %x21 / %x23-2B / %x2D-3A / %x3C-5B / %x5D-7E
/// ; US-ASCII characters excluding CTLs,
/// ; whitespace DQUOTE, comma, semicolon,
/// ; and backslash
/// token = <token, defined in [RFC2616], Section 2.2>
///
/// cookie-av = expires-av / max-age-av / domain-av /
/// path-av / secure-av / httponly-av /
/// extension-av
/// expires-av = "Expires=" sane-cookie-date
/// sane-cookie-date = <rfc1123-date, defined in [RFC2616], Section 3.3.1>
/// max-age-av = "Max-Age=" non-zero-digit *DIGIT
/// ; In practice, both expires-av and max-age-av
/// ; are limited to dates representable by the
/// ; user agent.
/// non-zero-digit = %x31-39
/// ; digits 1 through 9
/// domain-av = "Domain=" domain-value
/// domain-value = <subdomain>
/// ; defined in [RFC1034], Section 3.5, as
/// ; enhanced by [RFC1123], Section 2.1
/// path-av = "Path=" path-value
/// path-value = <any CHAR except CTLs or ";">
/// secure-av = "Secure"
/// httponly-av = "HttpOnly"
/// extension-av = <any CHAR except CTLs or ";">
/// ```
///
/// # Example values
///
/// * `SID=31d4d96e407aad42`
/// * `lang=en-US; Expires=Wed, 09 Jun 2021 10:18:14 GMT`
/// * `lang=; Expires=Sun, 06 Nov 1994 08:49:37 GMT`
/// * `lang=en-US; Path=/; Domain=example.com`
///
/// # Example
#[ derive(Clone, Debug)]
pub struct SetCookie(Vec<::HeaderValue>);
impl ::Header
for SetCookie {
fn name() -> &
'static ::HeaderName {
&::http::header::SET_COOKIE
}
fn decode<
'i, I: Iterator<Item = &' i ::HeaderValue>>(values: &
mut I) -> Result<Self , ::Error> {
let vec = values.cloned().collect::<Vec<_>>();
if !vec.is_empty() {
Ok(SetCookie(vec))
} else {
Err(::Error::invalid())
}
}
fn encode<E: Extend<::HeaderValue>>(&self , values: &mut E) {
values.extend(self .0 .iter().cloned());
}
}
#[ cfg(test)]
mod tests {
use super ::super ::{test_decode, test_encode};
use super ::*;
#[ test]
fn decode() {
let set_cookie = test_decode::<SetCookie>(&["foo=bar" , "baz=quux" ]).unwrap();
assert_eq!(set_cookie.0 .len(), 2 );
assert_eq!(set_cookie.0 [0 ], "foo=bar" );
assert_eq!(set_cookie.0 [1 ], "baz=quux" );
}
#[ test]
fn encode() {
let set_cookie = SetCookie(vec![
::HeaderValue::from_static("foo=bar" ),
::HeaderValue::from_static("baz=quux" ),
]);
let headers = test_encode(set_cookie);
let mut vals = headers.get_all("set-cookie" ).into_iter();
assert_eq!(vals.next().unwrap(), "foo=bar" );
assert_eq!(vals.next().unwrap(), "baz=quux" );
assert_eq!(vals.next(), None);
}
}
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