findfile 0.2.8

An ergonomic way to search for files
Documentation 
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use fancy_regex::Regex as FancyRegex;

#[derive(Debug, Clone)]
pub struct Regex(FancyRegex);

impl PartialEq for Regex {
	fn eq(&self, rhs: &Self) -> bool {
		self.0.as_str() == rhs.0.as_str()
	}
}

#[derive(Debug)]
pub struct RegexParseError(fancy_regex::Error);

impl Regex {
	pub fn new(source: &[u8], flags: &[u8]) -> Result<Self, RegexParseError> {
		let source = std::str::from_utf8(source).expect("todo: non-utf8 regexes");
		if flags.is_empty() {
			return FancyRegex::new(source).map_err(RegexParseError).map(Self);
		}
		let mut src = String::new();
		src.push_str("(?");
		src.push_str(std::str::from_utf8(flags).expect("todo: non-utf8 regexes"));
		src.push(')');
		src.push_str(source);
		FancyRegex::new(&src).map_err(RegexParseError).map(Self)
	}

	pub fn is_match(&self, source: &[u8]) -> bool {
		let Ok(source) = std::str::from_utf8(source) else {
			return false; // todo: handle non-`&[u8]` regexes
		};

		self.0.is_match(source).unwrap_or(false)
	}
}