61 lines
1.5 KiB
Rust
61 lines
1.5 KiB
Rust
use {
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serde::{Deserialize, Deserializer, Serialize, Serializer},
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std::{fmt, str::FromStr},
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};
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#[derive(Default, Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Clone)]
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pub struct CliVersion(Option<semver::Version>);
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impl CliVersion {
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pub fn unknown_version() -> Self {
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Self(None)
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}
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}
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impl fmt::Display for CliVersion {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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let s = match &self.0 {
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None => "unknown".to_string(),
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Some(version) => version.to_string(),
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};
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write!(f, "{s}")
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}
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}
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impl From<semver::Version> for CliVersion {
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fn from(version: semver::Version) -> Self {
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Self(Some(version))
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}
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}
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impl FromStr for CliVersion {
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type Err = semver::Error;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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let version_option = if s == "unknown" {
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None
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} else {
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Some(semver::Version::from_str(s)?)
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};
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Ok(CliVersion(version_option))
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}
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}
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impl Serialize for CliVersion {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
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where
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S: Serializer,
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{
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serializer.serialize_str(&self.to_string())
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}
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}
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impl<'de> Deserialize<'de> for CliVersion {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where
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D: Deserializer<'de>,
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{
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let s: &str = Deserialize::deserialize(deserializer)?;
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CliVersion::from_str(s).map_err(serde::de::Error::custom)
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}
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}
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