//! An implementation of the shared parts of git bitmaps used in `git-pack`, `git-index` and `git-worktree`.//!//! Note that many tests are performed indirectly by tests in the aforementioned consumer crates.#![deny(rust_2018_idioms, unsafe_code)]#![allow(missing_docs)]/// Bitmap utilities for the advanced word-aligned hybrid bitmappub mod ewah;pub(crate) mod decode { use std::convert::TryInto; use quick_error::quick_error; quick_error! { #[derive(Debug)] pub enum Error { Corrupt(message: &'static str) { display("{}", message) } } } #[inline] pub(crate) fn split_at_pos(data: &[u8], pos: usize) -> Option<(&[u8], &[u8])> { if data.len() < pos { return None; } data.split_at(pos).into() } #[inline] pub(crate) fn u32(data: &[u8]) -> Option<(u32, &[u8])> { split_at_pos(data, 4).map(|(num, data)| (u32::from_be_bytes(num.try_into().unwrap()), data)) }}
//! An implementation of the shared parts of git bitmaps used in `git-pack`, `git-index` and `git-worktree`.
//!
//! Note that many tests are performed indirectly by tests in the aforementioned consumer crates.
#![deny(rust_2018_idioms, unsafe_code)]
#![allow(missing_docs)]
/// Bitmap utilities for the advanced word-aligned hybrid bitmap
pub mod ewah;
pub(crate) mod decode {
use std::convert::TryInto;
use quick_error::quick_error;
quick_error! {
#[derive(Debug)]
pub enum Error {
Corrupt(message: &'static str) {
display("{}", message)
}
}
}
#[inline]
pub(crate) fn split_at_pos(data: &[u8], pos: usize) -> Option<(&[u8], &[u8])> {
if data.len() < pos {
return None;
}
data.split_at(pos).into()
}
#[inline]
pub(crate) fn u32(data: &[u8]) -> Option<(u32, &[u8])> {
split_at_pos(data, 4).map(|(num, data)| (u32::from_be_bytes(num.try_into().unwrap()), data))
}
}