Function binjs::io::escaped_wtf8::to_unicode_escape

pub fn to_unicode_escape(s: String) -> String

If the given bytes contains any escaped lone surropgate, convert it to unicode escape \uXXXX.

Failures

If the input is not well-formed escaped WTF-8, this function causes a panic.

Examples

Lone lead surrogate is converted to unicode escape.

let input    = "\x7FD83E".to_string();
let expected = "\\uD83E".to_string();
assert_eq!(binjs_io::escaped_wtf8::to_unicode_escape(input), expected);

Lone trail surrogate is converted to unicode escape.

let input    = "\x7FDD9D".to_string();
let expected = "\\uDD9D".to_string();
assert_eq!(binjs_io::escaped_wtf8::to_unicode_escape(input), expected);

Escape char (\x7F) is unescaped.

let input    = "\x7F007F".to_string();
let expected = "\x7F".to_string();
assert_eq!(binjs_io::escaped_wtf8::to_unicode_escape(input), expected);

If the input is ill-formed, causes a panic.

// Not enough character after escape character.
let input = "\x7F000".to_string();
binjs_io::escaped_wtf8::to_unicode_escape(input);

// Invalid character in the codeunit
let input = "\x7F012X".to_string();
binjs_io::escaped_wtf8::to_unicode_escape(input);

// Codeunit is not in the surrogate pair range.
let input = "\x7F3042".to_string();
binjs_io::escaped_wtf8::to_unicode_escape(input);