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mod component;
pub(super) mod modifier;
use proc_macro::{Literal, TokenStream};
pub(crate) use self::component::Component;
use crate::to_tokens::ToTokenStream;
#[allow(variant_size_differences)]
pub(crate) enum OwnedFormatItem {
Literal(Box<[u8]>),
Component(Component),
Compound(Box<[Self]>),
Optional(Box<Self>),
First(Box<[Self]>),
}
impl ToTokenStream for OwnedFormatItem {
fn append_to(self, ts: &mut TokenStream) {
match self {
Self::Literal(bytes) => quote_append! { ts
::time::format_description::BorrowedFormatItem::Literal {
0: #(Literal::byte_string(bytes.as_ref()))
}
},
Self::Component(component) => quote_append! { ts
::time::format_description::BorrowedFormatItem::Component { 0: #S(component) }
},
Self::Compound(items) => {
let items = items
.into_vec()
.into_iter()
.map(|item| quote! { #S(item), })
.collect::<TokenStream>();
quote_append! { ts
::time::format_description::BorrowedFormatItem::Compound { 0: &[#S(items)] }
}
}
Self::Optional(item) => quote_append! {ts
::time::format_description::BorrowedFormatItem::Optional { 0: &#S(*item) }
},
Self::First(items) => {
let items = items
.into_vec()
.into_iter()
.map(|item| quote! { #S(item), })
.collect::<TokenStream>();
quote_append! { ts
::time::format_description::BorrowedFormatItem::First { 0: &[#S(items)] }
}
}
}
}
}