| //! An implementation of the shared parts of git bitmaps used in `gix-pack`, `gix-index` and `gix-worktree`. |
| //! |
| //! Note that many tests are performed indirectly by tests in the aforementioned consumer crates. |
| #![deny(rust_2018_idioms, unsafe_code, missing_docs)] |
| |
| /// Bitmap utilities for the advanced word-aligned hybrid bitmap |
| pub mod ewah; |
| |
| pub(crate) mod decode { |
| #[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)) |
| } |
| } |
