Function matches_selector_chain 

pub(crate) fn matches_selector_chain(
    steps: &[SelectorStep],
    current: &Node,
    ancestors: &[AncestorContext<'_>],
    sibling_index: Option<usize>,
    sibling_count: Option<usize>,
    active_pseudo_states: &[&str],
    type_index: Option<usize>,
    type_count: Option<usize>,
    own_siblings: Option<&[Node]>,
    is_disabled: bool,
) -> bool