Mercurial > public > mercurial-scm > hg-stable
diff rust/hg-core/src/utils/hg_path.rs @ 44314:0e9ac3968b56
rust-dirs-multiset: add `DirsChildrenMultiset`
In a future patch, this structure will be needed to store information needed by
the (also upcoming) `IgnoreMatcher`.
Differential Revision: https://phab.mercurial-scm.org/D7869
| author | Rapha?l Gom?s <rgomes@octobus.net> |
|---|---|
| date | Tue, 14 Jan 2020 17:04:32 +0100 |
| parents | 9ab4830e9e3d |
| children | 26114bd6ec60 |
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--- a/rust/hg-core/src/utils/hg_path.rs Tue Jan 14 16:50:35 2020 +0100 +++ b/rust/hg-core/src/utils/hg_path.rs Tue Jan 14 17:04:32 2020 +0100 @@ -183,6 +183,29 @@ &self.inner[..] }) } + /// Returns a tuple of slices `(base, filename)` resulting from the split + /// at the rightmost `/`, if any. + /// + /// # Examples: + /// + /// ``` + /// use hg::utils::hg_path::HgPath; + /// + /// let path = HgPath::new(b"cool/hg/path").split_filename(); + /// assert_eq!(path, (HgPath::new(b"cool/hg"), HgPath::new(b"path"))); + /// + /// let path = HgPath::new(b"pathwithoutsep").split_filename(); + /// assert_eq!(path, (HgPath::new(b""), HgPath::new(b"pathwithoutsep"))); + /// ``` + pub fn split_filename(&self) -> (&Self, &Self) { + match &self.inner.iter().rposition(|c| *c == b'/') { + None => (HgPath::new(""), &self), + Some(size) => ( + HgPath::new(&self.inner[..*size]), + HgPath::new(&self.inner[*size + 1..]), + ), + } + } pub fn join<T: ?Sized + AsRef<Self>>(&self, other: &T) -> HgPathBuf { let mut inner = self.inner.to_owned(); if inner.len() != 0 && inner.last() != Some(&b'/') {