Function split_params

src/completion/phpdoc/helpers.rs:54–73

Split a parameter string on commas, respecting nested `()`, `<>`, `[]`, and `{}` delimiters. Returns borrowed slices into the input string.

(params_str: &str)

///
/// Returns borrowed slices into the input string.
pub(super) fn split_params(params_str: &str) -> Vec<&str> {
    let mut result = Vec::new();
    let mut depth = 0i32;
    let mut start = 0;
    let bytes = params_str.as_bytes();

    for (i, &b) in bytes.iter().enumerate() {
        match b {
            b'(' | b'<' | b'[' | b'{' => depth += 1,
            b')' | b'>' | b']' | b'}' => depth -= 1,
            b',' if depth == 0 => {
                result.push(&params_str[start..i]);
                start = i + 1;
            }
            _ => {}
        }
    }
    result.push(&params_str[start..]);
    result
}