embassy_ha/
binary_state.rs

1use core::str::FromStr;
2
3use crate::constants;
4
5#[derive(Debug)]
6pub struct InvalidBinaryState;
7
8impl core::fmt::Display for InvalidBinaryState {
9    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
10        f.write_str("invalid binary state, allowed values are 'ON' and 'OFF' (case insensitive)")
11    }
12}
13
14impl core::error::Error for InvalidBinaryState {}
15
16#[derive(Debug, Clone, Copy, PartialEq, Eq)]
17pub enum BinaryState {
18    On,
19    Off,
20}
21
22impl BinaryState {
23    pub fn as_str(&self) -> &'static str {
24        match self {
25            Self::On => constants::HA_SWITCH_STATE_ON,
26            Self::Off => constants::HA_SWITCH_STATE_OFF,
27        }
28    }
29
30    pub fn flip(self) -> Self {
31        match self {
32            Self::On => Self::Off,
33            Self::Off => Self::On,
34        }
35    }
36}
37
38impl core::fmt::Display for BinaryState {
39    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
40        f.write_str(self.as_str())
41    }
42}
43
44impl FromStr for BinaryState {
45    type Err = InvalidBinaryState;
46
47    fn from_str(s: &str) -> Result<Self, Self::Err> {
48        if s.eq_ignore_ascii_case(constants::HA_SWITCH_STATE_ON) {
49            return Ok(Self::On);
50        }
51        if s.eq_ignore_ascii_case(constants::HA_SWITCH_STATE_OFF) {
52            return Ok(Self::Off);
53        }
54        Err(InvalidBinaryState)
55    }
56}
57
58impl TryFrom<&[u8]> for BinaryState {
59    type Error = InvalidBinaryState;
60
61    fn try_from(value: &[u8]) -> Result<Self, Self::Error> {
62        let string = str::from_utf8(value).map_err(|_| InvalidBinaryState)?;
63        string.parse()
64    }
65}
embassy_ha/binary_state.rs

embassy_ha/
binary_state.rs
