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49 lines
1.6 KiB
Rust
49 lines
1.6 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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use cssparser::{Parser, ParserInput};
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use servo_arc::Arc;
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use style::custom_properties::{
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CssEnvironment, CustomPropertiesBuilder, CustomPropertiesMap, Name, SpecifiedValue,
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};
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use style::properties::{CustomDeclaration, CustomDeclarationValue};
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use style::stylesheets::Origin;
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use test::{self, Bencher};
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fn cascade(
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name_and_value: &[(&str, &str)],
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inherited: Option<&Arc<CustomPropertiesMap>>,
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) -> Option<Arc<CustomPropertiesMap>> {
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let declarations = name_and_value
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.iter()
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.map(|&(name, value)| {
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let mut input = ParserInput::new(value);
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let mut parser = Parser::new(&mut input);
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let name = Name::from(name);
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let value = CustomDeclarationValue::Value(SpecifiedValue::parse(&mut parser).unwrap());
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CustomDeclaration { name, value }
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})
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.collect::<Vec<_>>();
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let env = CssEnvironment;
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let mut builder = CustomPropertiesBuilder::new(inherited, &env);
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for declaration in &declarations {
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builder.cascade(declaration, Origin::Author);
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}
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builder.build()
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}
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#[bench]
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fn cascade_custom_simple(b: &mut Bencher) {
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b.iter(|| {
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let parent = cascade(&[("foo", "10px"), ("bar", "100px")], None);
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test::black_box(cascade(
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&[("baz", "calc(40em + 4px)"), ("bazz", "calc(30em + 4px)")],
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parent.as_ref(),
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))
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})
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}
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