wright/util/
supports_unicode.rs

1//! Utility module that builds on top of the functionality of the global [mod@supports_unicode] crate by adding a fallback
2//! global static, and a function that always indicates lack of unicode support if the crate/feature is not enabled.
3
4#[cfg(feature = "supports-unicode")]
5use ::supports_unicode as supports_unicode_crate;
6
7#[cfg(feature = "supports-unicode")]
8use core::sync::atomic::AtomicBool;
9
10/// Should all output force the use of ASCII characters only?
11#[cfg(feature = "supports-unicode")]
12pub static FORCE_ASCII: AtomicBool = AtomicBool::new(false);
13
14/// Set the global [FORCE_ASCII] static.
15#[cfg(feature = "supports-unicode")]
16pub fn set_force_ascii(force_ascii: bool) {
17    use core::sync::atomic::Ordering;
18
19    FORCE_ASCII.store(force_ascii, Ordering::Release);
20}
21
22/// Should we be writing unicode out to the user's terminal?
23pub fn supports_unicode() -> bool {
24    #[cfg(feature = "supports-unicode")]
25    {
26        use core::sync::atomic::Ordering;
27
28        !FORCE_ASCII.load(Ordering::Acquire) && supports_unicode_crate::supports_unicode()
29    }
30
31    #[cfg(not(feature = "supports-unicode"))]
32    {
33        false
34    }
35}
wright/util/supports_unicode.rs

wright/util/
supports_unicode.rs
