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d954f516e9
This code comes from: https://hg.mozilla.org/mozilla-central/rev/2418cfba72c33c5623f6fb4c243c5203819c8240 I audited other callers of write_str, they seem ok. Differential Revision: https://phabricator.services.mozilla.com/D54601
39 lines
1.4 KiB
Rust
39 lines
1.4 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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//! The `@namespace` at-rule.
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use crate::shared_lock::{SharedRwLockReadGuard, ToCssWithGuard};
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use crate::str::CssStringWriter;
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use crate::{Namespace, Prefix};
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use cssparser::{self, SourceLocation};
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use std::fmt::{self, Write};
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use style_traits::{CssWriter, ToCss};
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/// A `@namespace` rule.
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#[derive(Clone, Debug, PartialEq, ToShmem)]
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#[allow(missing_docs)]
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pub struct NamespaceRule {
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/// The namespace prefix, and `None` if it's the default Namespace
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pub prefix: Option<Prefix>,
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/// The actual namespace url.
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pub url: Namespace,
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/// The source location this rule was found at.
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pub source_location: SourceLocation,
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}
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impl ToCssWithGuard for NamespaceRule {
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// https://drafts.csswg.org/cssom/#serialize-a-css-rule CSSNamespaceRule
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fn to_css(&self, _guard: &SharedRwLockReadGuard, dest: &mut CssStringWriter) -> fmt::Result {
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dest.write_str("@namespace ")?;
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if let Some(ref prefix) = self.prefix {
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let prefix = prefix.to_string();
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cssparser::serialize_identifier(&prefix, dest)?;
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dest.write_str(" ")?;
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}
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dest.write_str("url(")?;
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self.url.to_string().to_css(&mut CssWriter::new(dest))?;
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dest.write_str(");")
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}
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}
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