svgm-core 0.2.0

SVG optimization engine — fast, safe, fixed-point convergence SVG optimizer
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

use super::{Pass, PassResult};
use crate::ast::{Document, NodeKind};

pub struct RemoveProcInst;

impl Pass for RemoveProcInst {
    fn name(&self) -> &'static str {
        "removeProcInst"
    }

    fn run(&self, doc: &mut Document) -> PassResult {
        let mut changed = false;
        let ids = doc.traverse();
        for id in ids {
            if matches!(doc.node(id).kind, NodeKind::ProcessingInstruction { .. }) {
                doc.remove(id);
                changed = true;
            }
        }
        if changed {
            PassResult::Changed
        } else {
            PassResult::Unchanged
        }
    }
}