gir_parser/
version.rs

1use std::str::FromStr;
2
3use serde::Deserialize;
4use xmlserde::XmlValue;
5
6#[derive(Debug, Default, Clone, Copy, Hash, PartialEq, Eq, PartialOrd, Ord)]
7pub struct Version(u16, Option<u16>, Option<u16>);
8
9impl Version {
10    pub fn new(major: u16, minor: u16, patch: u16) -> Self {
11        Self(major, Some(minor), Some(patch))
12    }
13
14    pub fn major(self) -> u16 {
15        self.0
16    }
17
18    pub fn minor(self) -> Option<u16> {
19        self.1
20    }
21
22    pub fn patch(self) -> Option<u16> {
23        self.2
24    }
25}
26
27impl<'de> Deserialize<'de> for Version {
28    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
29    where
30        D: serde::Deserializer<'de>,
31    {
32        let str = <String as Deserialize>::deserialize(deserializer)?;
33        Self::from_str(&str).map_err(serde::de::Error::custom)
34    }
35}
36
37impl FromStr for Version {
38    type Err = String;
39
40    /// Parse a `Version` from a string.
41    /// Currently always return Ok
42    fn from_str(s: &str) -> Result<Self, String> {
43        if s.contains('.') {
44            let mut parts = s
45                .splitn(4, '.')
46                .map(str::parse)
47                .take_while(Result::is_ok)
48                .map(Result::unwrap);
49            Ok(Self(parts.next().unwrap_or(0), parts.next(), parts.next()))
50        } else {
51            let val = s.parse::<u16>();
52            Ok(Self(val.unwrap_or(0), None, None))
53        }
54    }
55}
56
57impl XmlValue for Version {
58    fn serialize(&self) -> String {
59        self.to_string()
60    }
61
62    fn deserialize(s: &str) -> Result<Self, String> {
63        Self::from_str(s)
64    }
65}
66
67impl std::fmt::Display for Version {
68    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
69        match *self {
70            Self(major, None, None) => write!(f, "{major}"),
71            Self(major, Some(minor), None) => write!(f, "{major}.{minor}"),
72            Self(major, None, Some(patch)) => write!(f, "{major}.0.{patch}"),
73            Self(major, Some(minor), Some(patch)) => write!(f, "{major}.{minor}.{patch}"),
74        }
75    }
76}
77
78impl PartialEq<str> for Version {
79    fn eq(&self, other: &str) -> bool {
80        self.to_string() == other
81    }
82}
gir_parser/version.rs

gir_parser/
version.rs
