38 lines
1.3 KiB
Rust
38 lines
1.3 KiB
Rust
// Copyright (c) 2020 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
|
|
// Copyright (c) 2020 Astro <astro@spaceboyz.net>
|
|
// Copyright (c) 2020 Maxime “pep” Buquet <pep@bouah.net>
|
|
// Copyright (c) 2020 Xidorn Quan <me@upsuper.org>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
#[derive(Clone, Copy, PartialEq, Eq, Debug)]
|
|
/// Use to compare namespaces
|
|
pub enum NSChoice<'a> {
|
|
/// The element must have no namespace
|
|
None,
|
|
/// The element's namespace must match the specified namespace
|
|
OneOf(&'a str),
|
|
/// The element's namespace must be in the specified vector
|
|
AnyOf(&'a [&'a str]),
|
|
/// The element can have any namespace, or no namespace
|
|
Any,
|
|
}
|
|
|
|
impl<'a> From<&'a str> for NSChoice<'a> {
|
|
fn from(ns: &'a str) -> NSChoice<'a> {
|
|
NSChoice::OneOf(ns)
|
|
}
|
|
}
|
|
|
|
impl NSChoice<'_> {
|
|
pub(crate) fn compare(&self, ns: &str) -> bool {
|
|
match (ns, &self) {
|
|
(_, NSChoice::None) => false,
|
|
(_, NSChoice::Any) => true,
|
|
(ns, NSChoice::OneOf(wanted_ns)) => &ns == wanted_ns,
|
|
(ns, NSChoice::AnyOf(wanted_nss)) => wanted_nss.iter().any(|w| &ns == w),
|
|
}
|
|
}
|
|
}
|