1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

use std::fmt::{self};

use header;

/// The `Access-Control-Allow-Headers` response header,
/// part of [CORS](http://www.w3.org/TR/cors/).
///
/// > The `Access-Control-Allow-Headers` header indicates, as part of the
/// > response to a preflight request, which header field names can be used
/// > during the actual request.
///
/// Spec: www.w3.org/TR/cors/#access-control-allow-headers-response-header
#[derive(Clone, PartialEq, Debug)]
pub struct AccessControlAllowHeaders(pub Vec<String>);

impl header::Header for AccessControlAllowHeaders {
    #[inline]
    fn header_name() -> &'static str {
        "Access-Control-Allow-Headers"
    }

    fn parse_header(raw: &[Vec<u8>]) -> Option<AccessControlAllowHeaders> {
        header::parsing::from_comma_delimited(raw).map(AccessControlAllowHeaders)
    }
}

impl header::HeaderFormat for AccessControlAllowHeaders {
    fn fmt_header(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let AccessControlAllowHeaders(ref parts) = *self;
        header::parsing::fmt_comma_delimited(f, parts.as_slice())
    }
}