Function matches_selector_step_node 

pub(crate) fn matches_selector_step_node(
    node: &Node,
    simple: &SimpleSelector,
    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