visdom/mesdoc/interface/
texts.rs

1
2use super::BoxDynText;
3
4pub struct Texts<'a> {
5	nodes: Vec<BoxDynText<'a>>,
6}
7
8impl<'a> Texts<'a> {
9	pub fn with_capacity(cap: usize) -> Self {
10		Texts {
11			nodes: Vec::with_capacity(cap),
12		}
13	}
14	pub fn length(&self) -> usize {
15		self.nodes.len()
16	}
17	pub fn is_empty(&self) -> bool {
18		self.length() == 0
19	}
20	// get ref
21	pub fn get_ref(&self) -> &Vec<BoxDynText<'a>> {
22		&self.nodes
23	}
24	// get mut ref
25	pub fn get_mut_ref(&mut self) -> &mut Vec<BoxDynText<'a>> {
26		&mut self.nodes
27	}
28	// for each
29	pub fn for_each<F>(&mut self, mut handle: F) -> &mut Self
30	where
31		F: FnMut(usize, &mut BoxDynText) -> bool,
32	{
33		for (index, ele) in self.get_mut_ref().iter_mut().enumerate() {
34			if !handle(index, ele) {
35				break;
36			}
37		}
38		self
39	}
40
41	// alias for `for_each`
42	pub fn each<F>(&mut self, handle: F) -> &mut Self
43	where
44		F: FnMut(usize, &mut BoxDynText) -> bool,
45	{
46		self.for_each(handle)
47	}
48
49	// filter_by
50	pub fn filter_by<F>(&self, handle: F) -> Texts<'a>
51	where
52		F: Fn(usize, &BoxDynText) -> bool,
53	{
54		let mut result: Texts = Texts::with_capacity(self.length());
55		for (index, ele) in self.get_ref().iter().enumerate() {
56			if handle(index, ele) {
57				result.get_mut_ref().push(
58					ele
59						.clone_node()
60						.typed()
61						.into_text()
62						.expect("Text ele must can use 'into_text'."),
63				);
64			}
65		}
66		result
67	}
68	// remove
69	pub fn remove(self) {
70		for ele in self.into_iter() {
71			ele.remove();
72		}
73	}
74}
75
76impl<'a> IntoIterator for Texts<'a> {
77	type Item = BoxDynText<'a>;
78	type IntoIter = Box<dyn Iterator<Item = Self::Item> + 'a>;
79	fn into_iter(self) -> Self::IntoIter {
80		Box::new(self.nodes.into_iter())
81	}
82}
visdom/mesdoc/interface/texts.rs

visdom/mesdoc/interface/
texts.rs
