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Merge pull request #439 from pyfisch/refactorheaders4

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refactor(headers): Use header!() macro for Upgrade header field
This commit is contained in:
Sean McArthur
2015-04-07 12:02:39 -07:00
parent dee3edd536 f3508d9204
commit 56d72b4351
1 changed files with 23 additions and 25 deletions
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48
src/header/common/upgrade.rs
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@@ -1,16 +1,32 @@
use header::{Header, HeaderFormat};
use std::fmt;
use std::str::FromStr;
use header::parsing::{from_comma_delimited, fmt_comma_delimited};
use unicase::UniCase;
use self::Protocol::{WebSocket, ProtocolExt};
/// The `Upgrade` header.
#[derive(Clone, PartialEq, Debug)]
pub struct Upgrade(pub Vec<Protocol>);
deref!(Upgrade => Vec<Protocol>);
header! {
#[doc="`Upgrade` header, defined in [RFC7230](http://tools.ietf.org/html/rfc7230#section-6.7)"]
#[doc=""]
#[doc="The `Upgrade` header field is intended to provide a simple mechanism"]
#[doc="for transitioning from HTTP/1.1 to some other protocol on the same"]
#[doc="connection. A client MAY send a list of protocols in the Upgrade"]
#[doc="header field of a request to invite the server to switch to one or"]
#[doc="more of those protocols, in order of descending preference, before"]
#[doc="sending the final response. A server MAY ignore a received Upgrade"]
#[doc="header field if it wishes to continue using the current protocol on"]
#[doc="that connection. Upgrade cannot be used to insist on a protocol"]
#[doc="change."]
#[doc=""]
#[doc="# ABNF"]
#[doc="```plain"]
#[doc="Upgrade = 1#protocol"]
#[doc=""]
#[doc="protocol = protocol-name [\"/\" protocol-version]"]
#[doc="protocol-name = token"]
#[doc="protocol-version = token"]
#[doc="```"]
(Upgrade, "Upgrade") => (Protocol)+
}
/// Protocol values that can appear in the Upgrade header.
#[derive(Clone, PartialEq, Debug)]
@@ -42,22 +58,4 @@ impl fmt::Display for Protocol {
}
}
impl Header for Upgrade {
fn header_name() -> &'static str {
"Upgrade"
}
fn parse_header(raw: &[Vec<u8>]) -> Option<Upgrade> {
from_comma_delimited(raw).map(|vec| Upgrade(vec))
}
}
impl HeaderFormat for Upgrade {
fn fmt_header(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
let Upgrade(ref parts) = *self;
fmt_comma_delimited(fmt, &parts[..])
}
}
bench_header!(bench, Upgrade, { vec![b"HTTP/2.0, RTA/x11, websocket".to_vec()] });