Function get_scalar_pattern_flag_utf8view

arrow-string/src/regexp.rs:318–331

(
    regex_array: &'a dyn Array,
    flag_array: Option<&'a dyn Array>,
)

}

fn get_scalar_pattern_flag_utf8view<'a>(
    regex_array: &'a dyn Array,
    flag_array: Option<&'a dyn Array>,
) -> (Option<&'a str>, Option<&'a str>) {
    let regex = regex_array.as_string_view();
    let regex = regex.is_valid(0).then(|| regex.value(0));

    if let Some(flag_array) = flag_array {
        let flag = flag_array.as_string_view();
        (regex, flag.is_valid(0).then(|| flag.value(0)))
    } else {
        (regex, None)
    }
}

macro_rules! process_regexp_match {
    ($array:expr, $regex:expr, $list_builder:expr) => {