zbus_names/
utils.rs

1macro_rules! impl_str_basic {
2    ($type:ty) => {
3        impl zvariant::Basic for $type {
4            const SIGNATURE_CHAR: char = <zvariant::Str<'_>>::SIGNATURE_CHAR;
5            const SIGNATURE_STR: &'static str = <zvariant::Str<'_>>::SIGNATURE_STR;
6
7            fn alignment(format: zvariant::serialized::Format) -> usize {
8                <zvariant::Str<'_>>::alignment(format)
9            }
10        }
11    };
12}
13
14macro_rules! impl_try_from {
15    (ty: $type:ty, owned_ty: $owned_type:ty, validate_fn: $validate_fn:ident, try_from: [$($from:ty),*],) => {
16        $(
17            impl<'s> TryFrom<$from> for $type {
18                type Error = Error;
19
20                fn try_from(value: $from) -> Result<Self> {
21                    let value = Str::from(value);
22                    $validate_fn(value.as_str())?;
23                    Ok(Self(value))
24                }
25            }
26
27            impl<'s> TryFrom<$from> for $owned_type {
28                type Error = Error;
29
30                fn try_from(value: $from) -> Result<Self> {
31                    Ok(Self::from(<$type>::try_from(value)?))
32                }
33            }
34        )*
35    };
36}
37
38pub(crate) use impl_str_basic;
39pub(crate) use impl_try_from;