freya_core/dom/
paragraphs.rs

1use std::{
2    self,
3    ops::{
4        Deref,
5        DerefMut,
6    },
7};
8
9use freya_native_core::NodeId;
10use rustc_hash::{
11    FxHashMap,
12    FxHashSet,
13};
14use uuid::Uuid;
15
16#[derive(Default, Clone)]
17pub struct ParagraphElements(FxHashMap<Uuid, FxHashSet<NodeId>>);
18
19impl ParagraphElements {
20    pub fn insert_paragraph(&mut self, node_id: NodeId, text_id: Uuid) {
21        let text_group = self.0.entry(text_id).or_default();
22
23        text_group.insert(node_id);
24    }
25
26    pub fn remove_paragraph(&mut self, node_id: NodeId, text_id: &Uuid) {
27        let text_group = self.0.get_mut(text_id);
28
29        if let Some(text_group) = text_group {
30            text_group.retain(|id| *id != node_id);
31
32            if text_group.is_empty() {
33                self.0.remove(text_id);
34            }
35        }
36    }
37}
38
39impl Deref for ParagraphElements {
40    type Target = FxHashMap<Uuid, FxHashSet<NodeId>>;
41
42    fn deref(&self) -> &Self::Target {
43        &self.0
44    }
45}
46
47impl DerefMut for ParagraphElements {
48    fn deref_mut(&mut self) -> &mut Self::Target {
49        &mut self.0
50    }
51}
freya_core/dom/paragraphs.rs

freya_core/dom/
paragraphs.rs
