kernel_abi_check/
version.rs1use std::{fmt::Display, str::FromStr};
2
3use eyre::{ensure, Context, Result};
4use serde::{de, Deserialize, Deserializer};
5
6#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
8pub struct Version(pub Vec<usize>);
9
10impl<'de> Deserialize<'de> for Version {
11 fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
12 where
13 D: Deserializer<'de>,
14 {
15 let s = String::deserialize(deserializer)?;
16 FromStr::from_str(&s).map_err(de::Error::custom)
17 }
18}
19
20impl Display for Version {
21 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
22 write!(
23 f,
24 "{}",
25 itertools::join(self.0.iter().map(|v| v.to_string()), ".")
26 )
27 }
28}
29
30impl FromStr for Version {
31 type Err = eyre::Report;
32
33 fn from_str(version: &str) -> Result<Self, Self::Err> {
34 let version = version.trim().to_owned();
35 ensure!(!version.is_empty(), "Empty version string");
36 let mut version_parts = Vec::new();
37 for part in version.split('.') {
38 let version_part: usize = part.parse().context("Version must consist of numbers")?;
39 version_parts.push(version_part);
40 }
41
42 Ok(Version(version_parts))
43 }
44}