ori_core/style/
cache.rs

1use fxhash::FxHashMap;
2use smol_str::SmolStr;
3
4use crate::{Lock, Lockable, Shared, StyleAttribute, StyleSelectors, StyleSpecificity};
5
6type RuleAttributes = FxHashMap<SmolStr, (StyleAttribute, StyleSpecificity)>;
7
8#[derive(Clone, Debug, Default)]
9pub struct StyleCache {
10    attributes: Shared<Lock<FxHashMap<StyleSelectors, RuleAttributes>>>,
11}
12
13impl StyleCache {
14    pub fn new() -> Self {
15        Self::default()
16    }
17
18    pub fn clear(&self) {
19        let mut attributes = self.attributes.lock_mut();
20        attributes.clear();
21    }
22
23    pub fn insert(
24        &self,
25        selectors: &StyleSelectors,
26        attribute: StyleAttribute,
27        specificity: StyleSpecificity,
28    ) {
29        let mut attributes = self.attributes.lock_mut();
30        let attributes = attributes.entry(selectors.clone()).or_default();
31        attributes.insert(attribute.key.clone(), (attribute, specificity));
32    }
33
34    pub fn get_attribute(
35        &self,
36        selectors: &StyleSelectors,
37        key: &str,
38    ) -> Option<(StyleAttribute, StyleSpecificity)> {
39        let attributes = self.attributes.lock_mut();
40        let attributes = attributes.get(selectors)?;
41        let attribute = attributes.get(key)?;
42        Some(attribute.clone())
43    }
44}
ori_core/style/cache.rs

ori_core/style/
cache.rs
