zhenyi
58 lines
1.6 KiB
Rust
58 lines
1.6 KiB
Rust
//! Copyright (c) 2022-2026 GitDataAi All rights reserved.
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use serde::{Deserialize, Serialize};
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/// The null OID representing "no object" in git protocol.
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pub const ZERO_OID: &str = "0000000000000000000000000000000000000000";
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#[derive(Deserialize, Serialize, Clone, Debug, PartialEq, Eq)]
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pub struct ObjectId(pub String);
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impl ObjectId {
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pub fn new(hex: impl AsRef<str>) -> Self {
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Self(hex.as_ref().to_lowercase())
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}
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pub fn as_str(&self) -> &str {
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&self.0
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}
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}
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impl std::fmt::Display for ObjectId {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}", self.0)
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}
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}
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impl AsRef<str> for ObjectId {
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fn as_ref(&self) -> &str {
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&self.0
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}
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}
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pub fn hex_to_bytes(hex: &str) -> Result<Vec<u8>, crate::error::GitError> {
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let hex = hex.trim();
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if !hex.len().is_multiple_of(2) {
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return Err(crate::error::GitError::InvalidOid(
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"hex oid has odd length".into(),
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));
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}
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hex.as_bytes()
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.chunks_exact(2)
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.map(|pair| {
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let part = std::str::from_utf8(pair)
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.map_err(|e| crate::error::GitError::InvalidOid(e.to_string()))?;
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u8::from_str_radix(part, 16)
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.map_err(|e| crate::error::GitError::InvalidOid(e.to_string()))
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})
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.collect()
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}
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impl TryFrom<&ObjectId> for gix::hash::ObjectId {
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type Error = crate::error::GitError;
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fn try_from(id: &ObjectId) -> Result<Self, Self::Error> {
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gix::hash::ObjectId::from_hex(id.as_str().as_bytes())
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.map_err(|e| crate::error::GitError::InvalidOid(format!("invalid hex oid: {e}")))
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}
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}
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