46 lines
1.2 KiB
Rust
46 lines
1.2 KiB
Rust
// ! A unified versioning system for Rust.
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#![no_std]
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use core::{fmt::Display, prelude::rust_2021::derive};
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use serde::{Deserialize, Serialize};
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#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
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pub struct Version {
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pub major: u8,
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pub minor: u8,
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pub patch: u8,
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}
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impl Version {
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pub fn new(major: u8, minor: u8, patch: u8) -> Self {
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Self {
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major,
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minor,
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patch,
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}
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}
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pub fn new_from_env(vstring: &'static str) -> Self {
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let mut spl = vstring.split(".");
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if spl.clone().count() > 3 {
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panic!("Improper version string");
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}
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// TODO: handle failing any of these
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let major: u8 = spl.nth(0).unwrap().parse().unwrap();
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let minor: u8 = spl.nth(1).unwrap().parse().unwrap();
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let patch: u8 = spl.nth(2).unwrap().parse().unwrap();
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Self {
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major,
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minor,
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patch,
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}
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}
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}
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impl Display for Version {
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fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
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write!(f, "v{}.{}.{}", self.major, self.minor, self.patch)?;
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Ok(())
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}
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}
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