verso/ui/keymap/
keys.rs

1#[derive(Debug, Clone, PartialEq, Eq, Hash)]
2pub enum Key {
3    Char(char),
4    CtrlChar(char),
5    Named(String), // "Space", "Enter", "Esc", "Up", "Down", …
6}
7
8pub fn parse_sequence(seq: &str) -> anyhow::Result<Vec<Key>> {
9    let mut out = Vec::new();
10    let chars: Vec<char> = seq.chars().collect();
11    let mut i = 0;
12    while i < chars.len() {
13        if chars[i] == '<' {
14            let end = chars[i..]
15                .iter()
16                .position(|&c| c == '>')
17                .ok_or_else(|| anyhow::anyhow!("unterminated <...> in {seq}"))?
18                + i;
19            let tok: String = chars[i + 1..end].iter().collect();
20            i = end + 1;
21            if let Some(rest) = tok.strip_prefix("C-") {
22                let ch = rest
23                    .chars()
24                    .next()
25                    .ok_or_else(|| anyhow::anyhow!("bad ctrl in {seq}"))?;
26                out.push(Key::CtrlChar(ch));
27            } else {
28                out.push(Key::Named(tok));
29            }
30        } else {
31            out.push(Key::Char(chars[i]));
32            i += 1;
33        }
34    }
35    Ok(out)
36}
verso/ui/keymap/keys.rs

verso/ui/keymap/
keys.rs
