clap_builder/util/
escape.rs

1#[cfg(feature = "help")]
2use std::borrow::Cow;
3
4pub(crate) struct Escape<'s>(pub(crate) &'s str);
5
6impl<'s> Escape<'s> {
7    pub(crate) fn needs_escaping(&self) -> bool {
8        self.0.is_empty() || self.0.contains(char::is_whitespace)
9    }
10
11    #[cfg(feature = "help")]
12    pub(crate) fn to_cow(&self) -> Cow<'s, str> {
13        if self.needs_escaping() {
14            Cow::Owned(::alloc::__export::must_use({
        ::alloc::fmt::format(format_args!("{0:?}", self.0))
    })format!("{:?}", self.0))
15        } else {
16            Cow::Borrowed(self.0)
17        }
18    }
19}
20
21impl std::fmt::Display for Escape<'_> {
22    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
23        if self.needs_escaping() {
24            std::fmt::Debug::fmt(self.0, f)
25        } else {
26            self.0.fmt(f)
27        }
28    }
29}
clap_builder/util/escape.rs

clap_builder/util/
escape.rs
