Function read_name

src/classmap_scanner.rs:1685–1717

(content: &'a [u8], i: &mut usize)

/// anonymous class expressions (`new class extends Foo {}`).
#[inline]
fn read_name<'a>(content: &'a [u8], i: &mut usize) -> Option<&'a str> {
    let len = content.len();

    // Skip whitespace
    while *i < len && content[*i].is_ascii_whitespace() {
        *i += 1;
    }

    let start = *i;

    // Read identifier characters
    while *i < len {
        let c = content[*i];
        if c.is_ascii_alphanumeric() || c == b'_' {
            *i += 1;
        } else {
            break;
        }
    }

    if *i == start {
        return None;
    }

    let name = &content[start..*i];

    // Skip keywords that appear in anonymous class expressions
    if name == b"extends" || name == b"implements" {
        return None;
    }

    std::str::from_utf8(name).ok()
}

/// Normalise a PSR-4 prefix: ensure it ends with `\`.
fn normalise_prefix(prefix: &str) -> String {