lewp_css/domain/at_rules/namespace/
namespace_at_rule.rs

1// This file is part of css. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/css/master/COPYRIGHT. No part of predicator, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
2// Copyright © 2017 The developers of css. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/css/master/COPYRIGHT.
3
4use {
5    super::{NamespacePrefix, NamespaceUrl},
6    cssparser::ToCss,
7    std::fmt,
8};
9
10/// A `@namespace` rule.
11#[derive(Clone, Debug, PartialEq)]
12#[allow(missing_docs)]
13pub struct NamespaceAtRule {
14    /// The namespace prefix, and `None` if it's the default Namespace
15    pub prefix: Option<NamespacePrefix>,
16
17    /// The actual namespace url.
18    pub url: NamespaceUrl,
19}
20
21impl ToCss for NamespaceAtRule {
22    // https://drafts.csswg.org/cssom/#serialize-a-css-rule
23    fn to_css<W: fmt::Write>(&self, dest: &mut W) -> fmt::Result {
24        dest.write_str("@namespace ")?;
25
26        if let Some(ref prefix) = self.prefix {
27            dest.write_str(&(prefix.0).0)?;
28            dest.write_str(" ")?;
29        }
30
31        dest.write_str("url(")?;
32        dest.write_str(&(self.url.0).0)?;
33        dest.write_str(");")
34    }
35}