Files
hyper/src/header/common/if_match.rs
2015-06-14 21:32:33 -06:00

70 lines
2.7 KiB
Rust

use header::EntityTag;
header! {
#[doc="`If-Match` header, defined in"]
#[doc="[RFC7232](https://tools.ietf.org/html/rfc7232#section-3.1)"]
#[doc=""]
#[doc="The `If-Match` header field makes the request method conditional on"]
#[doc="the recipient origin server either having at least one current"]
#[doc="representation of the target resource, when the field-value is \"*\","]
#[doc="or having a current representation of the target resource that has an"]
#[doc="entity-tag matching a member of the list of entity-tags provided in"]
#[doc="the field-value."]
#[doc=""]
#[doc="An origin server MUST use the strong comparison function when"]
#[doc="comparing entity-tags for `If-Match`, since the client"]
#[doc="intends this precondition to prevent the method from being applied if"]
#[doc="there have been any changes to the representation data."]
#[doc=""]
#[doc="# ABNF"]
#[doc="```plain"]
#[doc="If-Match = \"*\" / 1#entity-tag"]
#[doc="```"]
#[doc=""]
#[doc="# Example values"]
#[doc="* `\"xyzzy\"`"]
#[doc="* \"xyzzy\", \"r2d2xxxx\", \"c3piozzzz\""]
#[doc=""]
#[doc="# Examples"]
#[doc="```"]
#[doc="use hyper::header::{Headers, IfMatch};"]
#[doc=""]
#[doc="let mut headers = Headers::new();"]
#[doc="headers.set(IfMatch::Any);"]
#[doc="```"]
#[doc="```"]
#[doc="use hyper::header::{Headers, IfMatch, EntityTag};"]
#[doc=""]
#[doc="let mut headers = Headers::new();"]
#[doc="headers.set("]
#[doc=" IfMatch::Items(vec!["]
#[doc=" EntityTag::new(false, \"xyzzy\".to_owned()),"]
#[doc=" EntityTag::new(false, \"foobar\".to_owned()),"]
#[doc=" EntityTag::new(false, \"bazquux\".to_owned()),"]
#[doc=" ])"]
#[doc=");"]
#[doc="```"]
(IfMatch, "If-Match") => {Any / (EntityTag)+}
test_if_match {
test_header!(
test1,
vec![b"\"xyzzy\""],
Some(HeaderField::Items(
vec![EntityTag::new(false, "xyzzy".to_owned())])));
test_header!(
test2,
vec![b"\"xyzzy\", \"r2d2xxxx\", \"c3piozzzz\""],
Some(HeaderField::Items(
vec![EntityTag::new(false, "xyzzy".to_owned()),
EntityTag::new(false, "r2d2xxxx".to_owned()),
EntityTag::new(false, "c3piozzzz".to_owned())])));
test_header!(test3, vec![b"*"], Some(IfMatch::Any));
}
}
bench_header!(star, IfMatch, { vec![b"*".to_vec()] });
bench_header!(single , IfMatch, { vec![b"\"xyzzy\"".to_vec()] });
bench_header!(multi, IfMatch,
{ vec![b"\"xyzzy\", \"r2d2xxxx\", \"c3piozzzz\"".to_vec()] });