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libstd: Add ToStr impl for IpAddr.

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This commit is contained in:
Luqman Aden 2013-07-25 18:18:43 -04:00
parent d6e1a6b237
commit 005ea3b173
1 changed files with 42 additions and 0 deletions
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42
src/libstd/rt/io/net/ip.rs
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@ -8,6 +8,9 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use num::FromStrRadix;
use to_str::ToStr;
type Port = u16;
#[deriving(Eq, TotalEq)]
@ -15,3 +18,42 @@ pub enum IpAddr {
Ipv4(u8, u8, u8, u8, Port),
Ipv6(u16, u16, u16, u16, u16, u16, u16, u16, Port)
}
impl ToStr for IpAddr {
fn to_str(&self) -> ~str {
match *self {
Ipv4(a, b, c, d, p) =>
fmt!("%u.%u.%u.%u:%u",
a as uint, b as uint, c as uint, d as uint, p as uint),
// Ipv4 Compatible address
Ipv6(0, 0, 0, 0, 0, 0, g, h, p) => {
let a = fmt!("%04x", g as uint);
let b = FromStrRadix::from_str_radix(a.slice(2, 4), 16).unwrap();
let a = FromStrRadix::from_str_radix(a.slice(0, 2), 16).unwrap();
let c = fmt!("%04x", h as uint);
let d = FromStrRadix::from_str_radix(c.slice(2, 4), 16).unwrap();
let c = FromStrRadix::from_str_radix(c.slice(0, 2), 16).unwrap();
fmt!("[::%u.%u.%u.%u]:%u", a, b, c, d, p as uint)
}
// Ipv4-Mapped address
Ipv6(0, 0, 0, 0, 0, 1, g, h, p) => {
let a = fmt!("%04x", g as uint);
let b = FromStrRadix::from_str_radix(a.slice(2, 4), 16).unwrap();
let a = FromStrRadix::from_str_radix(a.slice(0, 2), 16).unwrap();
let c = fmt!("%04x", h as uint);
let d = FromStrRadix::from_str_radix(c.slice(2, 4), 16).unwrap();
let c = FromStrRadix::from_str_radix(c.slice(0, 2), 16).unwrap();
fmt!("[::FFFF:%u.%u.%u.%u]:%u", a, b, c, d, p as uint)
}
Ipv6(a, b, c, d, e, f, g, h, p) =>
fmt!("[%x:%x:%x:%x:%x:%x:%x:%x]:%u",
a as uint, b as uint, c as uint, d as uint,
e as uint, f as uint, g as uint, h as uint, p as uint)
}
}
}