1 use std::fmt;
2 use std::fmt::Formatter;
3 use std::str;
4
5 pub(crate) use crate::util::is_continuation;
6
decode_code_point(string: &[u8]) -> u327 pub(crate) fn decode_code_point(string: &[u8]) -> u32 {
8 let string = str::from_utf8(string).expect("invalid string");
9 let mut chs = string.chars();
10 let ch = chs
11 .next()
12 .expect("cannot parse code point from empty string");
13 assert_eq!(None, chs.next(), "multiple code points found");
14 ch.into()
15 }
16
ends_with(string: &[u8], suffix: &[u8]) -> bool17 pub(crate) fn ends_with(string: &[u8], suffix: &[u8]) -> bool {
18 string.ends_with(suffix)
19 }
20
starts_with(string: &[u8], prefix: &[u8]) -> bool21 pub(crate) fn starts_with(string: &[u8], prefix: &[u8]) -> bool {
22 string.starts_with(prefix)
23 }
24
debug(string: &[u8], _: &mut Formatter<'_>) -> fmt::Result25 pub(crate) fn debug(string: &[u8], _: &mut Formatter<'_>) -> fmt::Result {
26 assert!(string.is_empty());
27 Ok(())
28 }
29
30 #[cfg(feature = "uniquote")]
31 pub(crate) mod uniquote {
32 use uniquote::Formatter;
33 use uniquote::Quote;
34 use uniquote::Result;
35
escape(string: &[u8], f: &mut Formatter<'_>) -> Result36 pub(crate) fn escape(string: &[u8], f: &mut Formatter<'_>) -> Result {
37 string.escape(f)
38 }
39 }
40