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#![doc(html_root_url = "https://codeberg.org/RustedTerrier/xekeys/wiki")]
#![feature(exclusive_range_pattern)]
pub fn get_keys() -> Keys {
use std::{io, io::Read};
let mut keys = io::stdin().bytes();
match keys.next().transpose().unwrap() {
| Some(byte) => match byte {
| b'\x1b' => match keys.next().transpose().unwrap() {
| Some(b'[') => match keys.next().transpose().unwrap() {
| Some(b'1') => {
let mut next = keys.next().transpose().unwrap();
if next == Some(b';') {
next = keys.next().transpose().unwrap();
}
match next {
| Some(b'1') => match keys.next().transpose().unwrap() {
| Some(b'A') => Keys::SuperArrow(ArrowKey::Up),
| Some(b'B') => Keys::SuperArrow(ArrowKey::Down),
| Some(b'C') => Keys::SuperArrow(ArrowKey::Right),
| Some(b'D') => Keys::SuperArrow(ArrowKey::Left),
| _ => Keys::None
},
| Some(b'2') => match keys.next().transpose().unwrap() {
| Some(b'A') => Keys::ShiftArrow(ArrowKey::Up),
| Some(b'B') => Keys::ShiftArrow(ArrowKey::Down),
| Some(b'C') => Keys::ShiftArrow(ArrowKey::Right),
| Some(b'D') => Keys::ShiftArrow(ArrowKey::Left),
| _ => Keys::None
},
| Some(b'3') => match keys.next().transpose().unwrap() {
| Some(b'A') => Keys::AltArrow(ArrowKey::Up),
| Some(b'B') => Keys::AltArrow(ArrowKey::Down),
| Some(b'C') => Keys::AltArrow(ArrowKey::Right),
| Some(b'D') => Keys::AltArrow(ArrowKey::Left),
| _ => Keys::None
},
| Some(b'4') => match keys.next().transpose().unwrap() {
| Some(b'A') => Keys::ShiftSuperArrow(ArrowKey::Up),
| Some(b'B') => Keys::ShiftSuperArrow(ArrowKey::Down),
| Some(b'C') => Keys::ShiftSuperArrow(ArrowKey::Right),
| Some(b'D') => Keys::ShiftSuperArrow(ArrowKey::Left),
| _ => Keys::None
},
| Some(b'5') => match keys.next().transpose().unwrap() {
| Some(b'A') => Keys::CtrlArrow(ArrowKey::Up),
| Some(b'B') => Keys::CtrlArrow(ArrowKey::Down),
| Some(b'C') => Keys::CtrlArrow(ArrowKey::Right),
| Some(b'D') => Keys::CtrlArrow(ArrowKey::Left),
| Some(b'~') => Keys::Function(5),
| _ => Keys::None
},
| Some(b'6') => match keys.next().transpose().unwrap() {
| Some(b'A') => Keys::CtrlShiftArrow(ArrowKey::Up),
| Some(b'B') => Keys::CtrlShiftArrow(ArrowKey::Down),
| Some(b'C') => Keys::CtrlShiftArrow(ArrowKey::Right),
| Some(b'D') => Keys::CtrlShiftArrow(ArrowKey::Left),
| _ => Keys::None
},
| Some(b'7') => match keys.next().transpose().unwrap() {
| Some(b'A') => Keys::CtrlAltArrow(ArrowKey::Up),
| Some(b'B') => Keys::CtrlAltArrow(ArrowKey::Down),
| Some(b'C') => Keys::CtrlAltArrow(ArrowKey::Right),
| Some(b'D') => Keys::CtrlAltArrow(ArrowKey::Left),
| Some(b'~') => Keys::Function(6),
| _ => Keys::None
},
| Some(b'8') => match keys.next().transpose().unwrap() {
| Some(b'A') => Keys::CtrlAltShiftArrow(ArrowKey::Up),
| Some(b'B') => Keys::CtrlAltShiftArrow(ArrowKey::Down),
| Some(b'C') => Keys::CtrlAltShiftArrow(ArrowKey::Right),
| Some(b'D') => Keys::CtrlAltShiftArrow(ArrowKey::Down),
| Some(b'~') => Keys::Function(7),
| _ => Keys::None
},
| Some(b'9') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(8),
| _ => Keys::None
},
| _ => Keys::Esc
}
},
| Some(b'2') => match keys.next().transpose().unwrap() {
| Some(b'0') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(9),
| _ => Keys::None
},
| Some(b'1') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(10),
| _ => Keys::None
},
| Some(b'3') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(11),
| _ => Keys::None
},
| Some(b'4') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(12),
| _ => Keys::None
},
| Some(b'5') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(13),
| _ => Keys::None
},
| Some(b'6') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(14),
| _ => Keys::None
},
| Some(b'7') => match keys.next().transpose().unwrap() {
| Some(b';') => {
let a = keys.next().transpose().unwrap();
let b = keys.next().transpose().unwrap();
let c = keys.next().transpose().unwrap();
let d = keys.next().transpose().unwrap();
let e = keys.next().transpose().unwrap();
match (a, b, c, d, e) {
| (Some(b'2'), Some(b';'), Some(b'1'), Some(b'3'), Some(b'~')) => Keys::ShiftEnter,
| (Some(b'5'), Some(b';'), Some(b'1'), Some(b'3'), Some(b'~')) => Keys::CtrlChar('\n'),
| _ => Keys::None
}
},
| _ => Keys::None
},
| Some(b'8') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(15),
| _ => Keys::None
},
| Some(b'9') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(16),
| _ => Keys::None
},
| _ => Keys::None
},
| Some(b'3') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Backspace,
| Some(b';') => match keys.next().transpose().unwrap() {
| Some(b'3') | Some(b'5') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::AltBackspace,
| _ => Keys::None
},
| _ => Keys::None
},
| Some(b'1') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(17),
| _ => Keys::None
},
| Some(b'2') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(18),
| _ => Keys::None
},
| Some(b'3') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(19),
| _ => Keys::None
},
| Some(b'4') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::Function(20),
| _ => Keys::None
},
| _ => Keys::None
},
| Some(b'5') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::PageUp,
| _ => Keys::None
},
| Some(b'6') => match keys.next().transpose().unwrap() {
| Some(b'~') => Keys::PageDown,
| _ => Keys::None
},
| Some(b'A') => Keys::Arrow(ArrowKey::Up),
| Some(b'B') => Keys::Arrow(ArrowKey::Down),
| Some(b'C') => Keys::Arrow(ArrowKey::Right),
| Some(b'D') => Keys::Arrow(ArrowKey::Left),
| _ => Keys::Esc
},
| Some(b'O') => match keys.next().transpose().unwrap() {
| Some(b'P') => Keys::Function(1),
| Some(b'Q') => Keys::Function(2),
| Some(b'R') => Keys::Function(3),
| Some(b'S') => Keys::Function(4),
| _ => Keys::None
},
| Some(b'\x1B') => Keys::Esc,
| Some(b'\x7f') => Keys::AltBackspace,
| Some(b'\r') | Some(b'\n') => Keys::AltChar('\n'),
| Some(byte @ _) => Keys::AltChar(byte as char),
| None => Keys::None
},
| _ => {
match byte {
| b'\r' | b'\n' => Keys::Char('\n'),
| b'\t' => Keys::Char('\t'),
| _ => match byte {
| b'\x7f' => Keys::Backspace,
| b'\x00' .. b'\x1c' => Keys::CtrlChar((byte + 96) as char),
| b'\x1c' ..= b'\x1f' => Keys::CtrlChar((byte + 64) as char),
| byte @ _ => Keys::Char(byte as char)
}
}
}
},
| None => Keys::None
}
}
pub enum Keys {
Char(char),
CtrlChar(char),
AltChar(char),
Arrow(ArrowKey),
CtrlArrow(ArrowKey),
AltArrow(ArrowKey),
SuperArrow(ArrowKey),
ShiftArrow(ArrowKey),
CtrlShiftArrow(ArrowKey),
AltShiftArrow(ArrowKey),
CtrlAltArrow(ArrowKey),
ShiftSuperArrow(ArrowKey),
CtrlAltShiftArrow(ArrowKey),
Function(u8),
Esc,
PageUp,
PageDown,
Backspace,
AltBackspace,
ShiftEnter,
None
}
pub enum ArrowKey {
Up,
Down,
Right,
Left
}