diff --git a/rust/Cargo.lock b/rust/Cargo.lock --- a/rust/Cargo.lock +++ b/rust/Cargo.lock @@ -9,6 +9,14 @@ ] [[package]] +name = "ansi_term" +version = "0.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] name = "arrayvec" version = "0.4.12" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -104,6 +112,20 @@ ] [[package]] +name = "ctor" +version = "0.1.12" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)", + "syn 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "difference" +version = "2.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" + +[[package]] name = "either" version = "1.5.3" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -130,6 +152,7 @@ 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(registry+https://github.com/rust-lang/crates.io-index)" = "58fb5e95d83b38284460a5fda7d6470aa0b8844d283a0b614b8535e880800d2d" +"checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b" "checksum arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)" = "cd9fd44efafa8690358b7408d253adf110036b88f55672a933f01d616ad9b1b9" "checksum autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "b671c8fb71b457dd4ae18c4ba1e59aa81793daacc361d82fcd410cef0d491875" "checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693" @@ -507,6 +581,8 @@ "checksum crossbeam-epoch 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "fedcd6772e37f3da2a9af9bf12ebe046c0dfe657992377b4df982a2b54cd37a9" "checksum crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" 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+tempfile = "3.1.0" +pretty_assertions = "0.6.1" \ No newline at end of file diff --git a/rust/hg-core/src/utils/hg_path.rs b/rust/hg-core/src/utils/hg_path.rs --- a/rust/hg-core/src/utils/hg_path.rs +++ b/rust/hg-core/src/utils/hg_path.rs @@ -167,10 +167,17 @@ pub fn contains(&self, other: u8) -> bool { self.inner.contains(&other) } - pub fn starts_with(&self, needle: impl AsRef) -> bool { + pub fn starts_with(&self, needle: impl AsRef) -> bool { self.inner.starts_with(needle.as_ref().as_bytes()) } - pub fn join>(&self, other: &T) -> HgPathBuf { + pub fn trim_trailing_slash(&self) -> &Self { + Self::new(if self.inner.last() == Some(&b'/') { + &self.inner[..self.inner.len() - 1] + } else { + &self.inner[..] + }) + } + pub fn join>(&self, other: &T) -> HgPathBuf { let mut inner = self.inner.to_owned(); if inner.len() != 0 && inner.last() != Some(&b'/') { inner.push(b'/'); @@ -178,17 +185,24 @@ inner.extend(other.as_ref().bytes()); HgPathBuf::from_bytes(&inner) } + pub fn parent(&self) -> &Self { + let inner = self.trim_trailing_slash().as_bytes(); + HgPath::new(match inner.iter().rposition(|b| *b == b'/') { + Some(pos) => &inner[..pos], + None => &[], + }) + } /// Given a base directory, returns the slice of `self` relative to the /// base directory. If `base` is not a directory (does not end with a /// `b'/'`), returns `None`. - pub fn relative_to(&self, base: impl AsRef) -> Option<&HgPath> { + pub fn relative_to(&self, base: impl AsRef) -> Option<&Self> { let base = base.as_ref(); if base.is_empty() { return Some(self); } let is_dir = base.as_bytes().ends_with(b"/"); if is_dir && self.starts_with(base) { - Some(HgPath::new(&self.inner[base.len()..])) + Some(Self::new(&self.inner[base.len()..])) } else { None } @@ -476,6 +490,7 @@ #[cfg(test)] mod tests { use super::*; + use pretty_assertions::assert_eq; #[test] fn test_path_states() { @@ -704,4 +719,19 @@ ) ); } + + #[test] + fn test_parent() { + let path = HgPath::new(b""); + assert_eq!(path.parent(), path); + + let path = HgPath::new(b"a/"); + assert_eq!(path.parent(), HgPath::new(b"")); + + let path = HgPath::new(b"a/b"); + assert_eq!(path.parent(), HgPath::new(b"a")); + + let path = HgPath::new(b"a/other/b"); + assert_eq!(path.parent(), HgPath::new(b"a/other")); + } }