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use std::borrow::Cow;
use std::fmt;
use std::str::FromStr;
use header::{Header, Raw};
use header::parsing::from_one_raw_str;
#[derive(Clone, PartialEq, Debug)]
pub struct Host {
hostname: Cow<'static, str>,
port: Option<u16>
}
impl Host {
pub fn new<H, P>(hostname: H, port: P) -> Host
where H: Into<Cow<'static, str>>,
P: Into<Option<u16>>
{
Host {
hostname: hostname.into(),
port: port.into(),
}
}
pub fn hostname(&self) -> &str {
self.hostname.as_ref()
}
pub fn port(&self) -> Option<u16> {
self.port
}
}
impl Header for Host {
fn header_name() -> &'static str {
static NAME: &'static str = "Host";
NAME
}
fn parse_header(raw: &Raw) -> ::Result<Host> {
from_one_raw_str(raw)
}
fn fmt_header(&self, f: &mut ::header::Formatter) -> fmt::Result {
f.fmt_line(self)
}
}
impl fmt::Display for Host {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.port {
None | Some(80) | Some(443) => f.write_str(&self.hostname[..]),
Some(port) => write!(f, "{}:{}", self.hostname, port)
}
}
}
impl FromStr for Host {
type Err = ::Error;
fn from_str(s: &str) -> ::Result<Host> {
let idx = s.rfind(':');
let port = idx.and_then(
|idx| s[idx + 1..].parse().ok()
);
let hostname = match port {
None => s,
Some(_) => &s[..idx.unwrap()]
};
Ok(Host {
hostname: hostname.to_owned().into(),
port: port,
})
}
}
#[cfg(test)]
mod tests {
use super::Host;
use header::Header;
#[test]
fn test_host() {
let host = Header::parse_header(&vec![b"foo.com".to_vec()].into());
assert_eq!(host.ok(), Some(Host::new("foo.com", None)));
let host = Header::parse_header(&vec![b"foo.com:8080".to_vec()].into());
assert_eq!(host.ok(), Some(Host::new("foo.com", Some(8080))));
let host = Header::parse_header(&vec![b"foo.com".to_vec()].into());
assert_eq!(host.ok(), Some(Host::new("foo.com", None)));
let host = Header::parse_header(&vec![b"[::1]:8080".to_vec()].into());
assert_eq!(host.ok(), Some(Host::new("[::1]", Some(8080))));
let host = Header::parse_header(&vec![b"[::1]".to_vec()].into());
assert_eq!(host.ok(), Some(Host::new("[::1]", None)));
}
}
bench_header!(bench, Host, { vec![b"foo.com:3000".to_vec()] });