hyper_sync/
version.rs

1//! HTTP Versions enum
2//!
3//! Instead of relying on typo-prone Strings, use expected HTTP versions as
4//! the `HttpVersion` enum.
5use std::fmt;
6use std::str::FromStr;
7
8use error::Error;
9use self::HttpVersion::{Http09, Http10, Http11, Http20};
10
11/// Represents a version of the HTTP spec.
12#[derive(PartialEq, PartialOrd, Copy, Clone, Eq, Ord, Hash, Debug)]
13pub enum HttpVersion {
14    /// `HTTP/0.9`
15    Http09,
16    /// `HTTP/1.0`
17    Http10,
18    /// `HTTP/1.1`
19    Http11,
20    /// `HTTP/2.0`
21    Http20,
22}
23
24impl fmt::Display for HttpVersion {
25    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
26        fmt.write_str(self.as_ref())
27    }
28}
29
30impl AsRef<str> for HttpVersion {
31    fn as_ref(&self) -> &str {
32        match *self {
33            Http09 => "HTTP/0.9",
34            Http10 => "HTTP/1.0",
35            Http11 => "HTTP/1.1",
36            Http20 => "HTTP/2.0",
37        }
38    }
39}
40
41impl FromStr for HttpVersion {
42    type Err = Error;
43
44    fn from_str(s: &str) -> Result<Self, Self::Err> {
45        match s {
46            "HTTP/0.9" => Ok(Http09),
47            "HTTP/1.0" => Ok(Http10),
48            "HTTP/1.1" => Ok(Http11),
49            "HTTP/2.0" => Ok(Http20),
50            _ => Err(Error::Version),
51        }
52    }
53}
hyper_sync/version.rs

hyper_sync/
version.rs
