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use serde_derive::Deserialize;
use std::collections::{hash_map::Entry, HashMap};
use std::process::exit;
use super::{parse_config_file, ConfigStructure, Flattenable};
use crate::commands::{self, CommandKeybind, JoshutoCommand};
use crate::KEYMAP_FILE;
pub const BACKSPACE: i32 = 0x7F;
pub const TAB: i32 = 0x9;
pub const ENTER: i32 = 0xA;
pub const ESCAPE: i32 = 0x1B;
/* #define KEY_ALT(x) KEY_F(60) + (x - 'A') */
#[derive(Debug, Deserialize)]
struct JoshutoMapCommand {
pub keys: Vec<i32>,
pub command: String,
pub args: Option<Vec<String>>,
}
#[derive(Debug, Deserialize)]
struct JoshutoRawKeymap {
mapcommand: Option<Vec<JoshutoMapCommand>>,
}
impl Flattenable<JoshutoKeymap> for JoshutoRawKeymap {
fn flatten(self) -> JoshutoKeymap {
match self.mapcommand {
None => JoshutoKeymap::new(),
Some(maps) => {
let mut keymaps = JoshutoKeymap::new();
maps.iter().for_each(|m| {
match commands::from_args(m.command.as_str(), m.args.as_ref()) {
Ok(command) => insert_keycommand(&mut keymaps, command, &m.keys[..]),
Err(e) => eprintln!("{}", e),
}
});
keymaps
}
}
}
}
pub type JoshutoKeymap = HashMap<i32, CommandKeybind>;
impl ConfigStructure for JoshutoKeymap {
fn get_config() -> Self {
parse_config_file::<JoshutoRawKeymap, JoshutoKeymap>(KEYMAP_FILE)
.unwrap_or_else(JoshutoKeymap::default)
}
}
fn insert_keycommand(map: &mut JoshutoKeymap, keycommand: Box<JoshutoCommand>, keys: &[i32]) {
match keys.len() {
0 => {}
1 => match map.entry(keys[0]) {
Entry::Occupied(_) => {
eprintln!("Error: Keybindings ambiguous");
exit(1);
}
Entry::Vacant(entry) => {
entry.insert(CommandKeybind::SimpleKeybind(keycommand));
}
},
_ => match map.entry(keys[0]) {
Entry::Occupied(mut entry) => match entry.get_mut() {
CommandKeybind::CompositeKeybind(ref mut m) => {
insert_keycommand(m, keycommand, &keys[1..])
}
_ => {
eprintln!("Error: Keybindings ambiguous");
exit(1);
}
},
Entry::Vacant(entry) => {
let mut new_map = HashMap::new();
insert_keycommand(&mut new_map, keycommand, &keys[1..]);
let composite_command = CommandKeybind::CompositeKeybind(new_map);
entry.insert(composite_command);
}
},
}
}
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