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use headers_core::decode::TryFromValues;
use ::{HeaderValue};
use super::origin::{Origin};
#[derive(Clone, Debug, PartialEq, Eq, Hash, Header)]
pub struct AccessControlAllowOrigin(OriginOrAny);
#[derive(Clone, Debug, PartialEq, Eq, Hash)]
enum OriginOrAny {
Origin(Origin),
Any,
}
impl AccessControlAllowOrigin {
pub const ANY: AccessControlAllowOrigin = AccessControlAllowOrigin(OriginOrAny::Any);
pub const NULL: AccessControlAllowOrigin = AccessControlAllowOrigin(OriginOrAny::Origin(Origin::NULL));
}
impl TryFromValues for OriginOrAny {
fn try_from_values(values: &mut ::Values) -> Option<Self> {
let value = values.next()?;
if value == "*" {
return Some(OriginOrAny::Any);
}
Origin::try_from_value(value)
.map(OriginOrAny::Origin)
}
}
impl<'a> From<&'a OriginOrAny> for HeaderValue {
fn from(origin: &'a OriginOrAny) -> HeaderValue {
match origin {
OriginOrAny::Origin(ref origin) => origin.into_value(),
OriginOrAny::Any => HeaderValue::from_static("*"),
}
}
}