dbus_server_address_parser/decode/
systemd.rs

1use super::{guid::decode_guid, GuidError};
2use crate::Systemd;
3use std::convert::TryFrom;
4use thiserror::Error;
5
6#[derive(Debug, Clone, Error)]
7pub enum SystemdError {
8    #[error("GUID error: {0}")]
9    GuidError(#[from] GuidError),
10    #[error("Unknown key")]
11    UnknownKey,
12}
13
14impl Systemd {
15    fn decode_key_value(&mut self, key_value: &str) -> Result<(), SystemdError> {
16        if let Some(guid) = key_value.strip_prefix("guid=") {
17            decode_guid(guid, &mut self.guid)?;
18            Ok(())
19        } else {
20            Err(SystemdError::UnknownKey)
21        }
22    }
23}
24
25impl TryFrom<&str> for Systemd {
26    type Error = SystemdError;
27
28    fn try_from(server_address: &str) -> Result<Self, Self::Error> {
29        let mut systemd = Systemd { guid: None };
30        if !server_address.is_empty() {
31            for key_value in server_address.split(',') {
32                systemd.decode_key_value(key_value)?;
33            }
34        }
35        Ok(systemd)
36    }
37}