lsv 0.1.15

Three‑pane terminal file viewer (TUI) with preview and Lua configuration
Documentation 
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//! Key map utilities and helpers on `App`.

use crate::app::App;

use crate::keymap::tokenize_sequence;

impl App
{
    pub(crate) fn rebuild_keymap_lookup(&mut self)
    {
        self.keys.lookup.clear();
        self.keys.prefixes.clear();
        for m in &self.keys.maps
        {
            self.keys.lookup.insert(m.sequence.clone(), m.action.clone());
            // collect token-based prefixes for sequence matching
            let tokens = tokenize_sequence(&m.sequence);
            let mut acc = String::new();
            for (idx, t) in tokens.iter().enumerate()
            {
                acc.push_str(t);
                if idx + 1 < tokens.len()
                {
                    self.keys.prefixes.insert(acc.clone());
                }
            }
        }
    }

    pub fn set_keymaps(
        &mut self,
        maps: Vec<crate::config::KeyMapping>,
    )
    {
        self.keys.maps = maps;
        self.rebuild_keymap_lookup();
    }

    pub fn get_keymap_action(
        &self,
        seq: &str,
    ) -> Option<String>
    {
        self.keys.lookup.get(seq).cloned()
    }

    pub fn has_prefix(
        &self,
        seq: &str,
    ) -> bool
    {
        self.keys.prefixes.contains(seq)
    }
}