1use std::fmt;
2use std::fmt::Formatter;
3use std::str;
4
5pub(crate) use crate::util::is_continuation;
6
7use super::Result;
8
9#[allow(dead_code)]
10#[path = "../common/raw.rs"]
11mod common_raw;
12pub(crate) use common_raw::ends_with;
13pub(crate) use common_raw::starts_with;
14#[cfg(feature = "uniquote")]
15pub(crate) use common_raw::uniquote;
16
17pub(crate) fn validate_bytes(string: &[u8]) -> Result<()> {
18    super::from_bytes(string).map(drop)
19}
20
21pub(crate) fn decode_code_point(string: &[u8]) -> u32 {
22    let string = expect_encoded!(str::from_utf8(string));
23    let mut chars = string.chars();
24    let ch = chars
25        .next()
26        .expect("cannot parse code point from empty string");
27    assert_eq!(None, chars.next(), "multiple code points found");
28    ch.into()
29}
30
31pub(crate) fn debug(string: &[u8], _: &mut Formatter<'_>) -> fmt::Result {
32    assert!(string.is_empty());
33    Ok(())
34}
35