Files
hyper/src/header/common/host.rs
2015-01-03 20:31:48 +01:00

100 lines
2.7 KiB
Rust

use header::{Header, HeaderFormat};
use Port;
use std::fmt::{mod, Show};
use header::shared::util::from_one_raw_str;
/// The `Host` header.
///
/// HTTP/1.1 requires that all requests include a `Host` header, and so hyper
/// client requests add one automatically.
///
/// Currently is just a String, but it should probably become a better type,
/// like url::Host or something.
#[derive(Clone, PartialEq, Show)]
pub struct Host {
/// The hostname, such a example.domain.
pub hostname: String,
/// An optional port number.
pub port: Option<Port>
}
impl Header for Host {
fn header_name(_: Option<Host>) -> &'static str {
"Host"
}
fn parse_header(raw: &[Vec<u8>]) -> Option<Host> {
from_one_raw_str(raw).and_then(|mut s: String| {
// FIXME: use rust-url to parse this
// https://github.com/servo/rust-url/issues/42
let idx = {
let slice = s[];
if slice.char_at(1) == '[' {
match slice.rfind(']') {
Some(idx) => {
if slice.len() > idx + 2 {
Some(idx + 1)
} else {
None
}
}
None => return None // this is a bad ipv6 address...
}
} else {
slice.rfind(':')
}
};
let port = match idx {
Some(idx) => s[].slice_from(idx + 1).parse(),
None => None
};
match idx {
Some(idx) => s.truncate(idx),
None => ()
}
Some(Host {
hostname: s,
port: port
})
})
}
}
impl HeaderFormat for Host {
fn fmt_header(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
match self.port {
None | Some(80) | Some(443) => self.hostname.fmt(fmt),
Some(port) => write!(fmt, "{}:{}", self.hostname, port)
}
}
}
#[cfg(test)]
mod tests {
use super::Host;
use header::Header;
#[test]
fn test_host() {
let host = Header::parse_header([b"foo.com".to_vec()].as_slice());
assert_eq!(host, Some(Host {
hostname: "foo.com".to_string(),
port: None
}));
let host = Header::parse_header([b"foo.com:8080".to_vec()].as_slice());
assert_eq!(host, Some(Host {
hostname: "foo.com".to_string(),
port: Some(8080)
}));
}
}
bench_header!(bench, Host, { vec![b"foo.com:3000".to_vec()] });