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use std::fmt::{self, Display};
use std::str::FromStr;
header! {
#[doc="`Accept-Ranges` header, defined in"]
#[doc="[RFC7233](http://tools.ietf.org/html/rfc7233#section-2.3)"]
#[doc=""]
#[doc="The `Accept-Ranges` header field allows a server to indicate that it"]
#[doc="supports range requests for the target resource."]
#[doc=""]
#[doc="# ABNF"]
#[doc="```plain"]
#[doc="Accept-Ranges = acceptable-ranges"]
#[doc="acceptable-ranges = 1#range-unit / \"none\""]
#[doc=""]
#[doc="# Example values"]
#[doc="* `bytes`"]
#[doc="* `none`"]
#[doc="* `unknown-unit`"]
#[doc="```"]
#[doc=""]
#[doc="# Examples"]
#[doc="```"]
#[doc="use hyper::header::{Headers, AcceptRanges, RangeUnit};"]
#[doc=""]
#[doc="let mut headers = Headers::new();"]
#[doc="headers.set(AcceptRanges(vec![RangeUnit::Bytes]));"]
#[doc="```"]
#[doc="```"]
#[doc="use hyper::header::{Headers, AcceptRanges, RangeUnit};"]
#[doc=""]
#[doc="let mut headers = Headers::new();"]
#[doc="headers.set(AcceptRanges(vec![RangeUnit::None]));"]
#[doc="```"]
#[doc="```"]
#[doc="use hyper::header::{Headers, AcceptRanges, RangeUnit};"]
#[doc=""]
#[doc="let mut headers = Headers::new();"]
#[doc="headers.set("]
#[doc=" AcceptRanges(vec!["]
#[doc=" RangeUnit::Unregistered(\"nibbles\".to_owned()),"]
#[doc=" RangeUnit::Bytes,"]
#[doc=" RangeUnit::Unregistered(\"doublets\".to_owned()),"]
#[doc=" RangeUnit::Unregistered(\"quadlets\".to_owned()),"]
#[doc=" ])"]
#[doc=");"]
#[doc="```"]
(AcceptRanges, "Accept-Ranges") => (RangeUnit)+
test_acccept_ranges {
test_header!(test1, vec![b"bytes"]);
test_header!(test2, vec![b"none"]);
test_header!(test3, vec![b"unknown-unit"]);
test_header!(test4, vec![b"bytes, unknown-unit"]);
}
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub enum RangeUnit {
Bytes,
None,
Unregistered(String),
}
impl FromStr for RangeUnit {
type Err = ::Error;
fn from_str(s: &str) -> ::Result<Self> {
match s {
"bytes" => Ok(RangeUnit::Bytes),
"none" => Ok(RangeUnit::None),
_ => Ok(RangeUnit::Unregistered(s.to_owned())),
}
}
}
impl Display for RangeUnit {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
RangeUnit::Bytes => f.write_str("bytes"),
RangeUnit::None => f.write_str("none"),
RangeUnit::Unregistered(ref x) => f.write_str(&x),
}
}
}