keyhog-scanner 0.5.43

keyhog-scanner: high-performance SIMD-accelerated secret detection engine
Documentation 
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//! Line slicing for generic assignment findings.

pub(super) fn line_at_index<'a>(
    text: &'a str,
    line_offsets: &[usize],
    line_idx: usize,
) -> Option<&'a str> {
    let start = *line_offsets.get(line_idx)?;
    let mut end = if let Some(next_line_start) = line_offsets.get(line_idx + 1) {
        *next_line_start
    } else {
        // Last line has no following offset; the source length is its exact end.
        text.len()
    };
    let bytes = text.as_bytes();
    if end > start && bytes.get(end - 1).copied() == Some(b'\n') {
        end -= 1;
    }
    if end > start && bytes.get(end - 1).copied() == Some(b'\r') {
        end -= 1;
    }
    text.get(start..end)
}