mercurial-scm/hg: rust/hg-core/src/utils.rs@5672bb73f61e (annotated)

42437 9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	1	pub mod files;
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	2
42610 5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	3	/// Replaces the `from` slice with the `to` slice inside the `buf` slice.
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	4	///
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	5	/// # Examples
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	6	///
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	7	/// ```
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	8	/// use crate::hg::utils::replace_slice;
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	9	/// let mut line = b"I hate writing tests!".to_vec();
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	10	/// replace_slice(&mut line, b"hate", b"love");
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	11	/// assert_eq!(
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	12	/// line,
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	13	/// b"I love writing tests!".to_vec()
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	14	///);
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	15	///
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	16	/// ```
42437 9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	17	pub fn replace_slice<T>(buf: &mut [T], from: &[T], to: &[T])
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	18	where
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	19	T: Clone + PartialEq,
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	20	{
42610 5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	21	assert_eq!(from.len(), to.len());
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	22	if buf.len() < from.len() {
42437 9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	23	return;
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	24	}
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	25	for i in 0..=buf.len() - from.len() {
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	26	if buf[i..].starts_with(from) {
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	27	buf[i..(i + from.len())].clone_from_slice(to);
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	28	}
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	29	}
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	30	}
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	31
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	32	pub trait SliceExt {
42610 5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	33	fn trim_end(&self) -> &Self;
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	34	fn trim_start(&self) -> &Self;
42437 9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	35	fn trim(&self) -> &Self;
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	36	}
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	37
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	38	fn is_not_whitespace(c: &u8) -> bool {
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	39	!(*c as char).is_whitespace()
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	40	}
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	41
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	42	impl SliceExt for [u8] {
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	43	fn trim_end(&self) -> &[u8] {
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	44	if let Some(last) = self.iter().rposition(is_not_whitespace) {
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	45	&self[..last + 1]
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	46	} else {
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	47	&[]
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	48	}
9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	49	}
42610 5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	50	fn trim_start(&self) -> &[u8] {
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	51	if let Some(first) = self.iter().position(is_not_whitespace) {
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	52	&self[first..]
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	53	} else {
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	54	&[]
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	55	}
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	56	}
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	57
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	58	/// ```
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	59	/// use hg::utils::SliceExt;
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	60	/// assert_eq!(
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	61	/// b" to trim ".trim(),
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	62	/// b"to trim"
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	63	/// );
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	64	/// assert_eq!(
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	65	/// b"to trim ".trim(),
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	66	/// b"to trim"
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	67	/// );
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	68	/// assert_eq!(
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	69	/// b" to trim".trim(),
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	70	/// b"to trim"
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	71	/// );
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	72	/// ```
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	73	fn trim(&self) -> &[u8] {
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	74	self.trim_start().trim_end()
5672bb73f61e rust-utils: add docstrings and doctests for utils.rs Rapha?l Gom?s <rgomes@octobus.net> parents: 42609 diff changeset	75	}
42437 9609430d3625 rust-filepatterns: use bytes instead of String Rapha?l Gom?s <rgomes@octobus.net> parents: diff changeset	76	}

author	Rapha?l Gom?s <rgomes@octobus.net>
	Wed, 10 Jul 2019 17:41:07 +0200
changeset 42610	5672bb73f61e
parent 42609	326fdce22fb2
child 42611	2f760da140ee
permissions	-rw-r--r--