time_macros/format_description/public/
mod.rs

Help
1mod component;
2pub(super) mod modifier;
3
4use proc_macro::{Literal, TokenStream};
5
6pub(crate) use self::component::Component;
7use crate::to_tokens::ToTokenStream;
8
9#[allow(variant_size_differences)]
10pub(crate) enum OwnedFormatItem {
11    Literal(Box<[u8]>),
12    Component(Component),
13    Compound(Box<[Self]>),
14    Optional(Box<Self>),
15    First(Box<[Self]>),
16}
17
18impl ToTokenStream for OwnedFormatItem {
19    fn append_to(self, ts: &mut TokenStream) {
20        match self {
21            Self::Literal(bytes) => quote_append! { ts
22                ::time::format_description::BorrowedFormatItem::Literal {
23                    0: #(Literal::byte_string(bytes.as_ref()))
24                }
25            },
26            Self::Component(component) => quote_append! { ts
27                ::time::format_description::BorrowedFormatItem::Component { 0: #S(component) }
28            },
29            Self::Compound(items) => {
30                let items = items
31                    .into_vec()
32                    .into_iter()
33                    .map(|item| quote! { #S(item), })
34                    .collect::<TokenStream>();
35                quote_append! { ts
36                    ::time::format_description::BorrowedFormatItem::Compound { 0: &[#S(items)] }
37                }
38            }
39            Self::Optional(item) => quote_append! {ts
40                ::time::format_description::BorrowedFormatItem::Optional { 0: &#S(*item) }
41            },
42            Self::First(items) => {
43                let items = items
44                    .into_vec()
45                    .into_iter()
46                    .map(|item| quote! { #S(item), })
47                    .collect::<TokenStream>();
48                quote_append! { ts
49                    ::time::format_description::BorrowedFormatItem::First { 0: &[#S(items)] }
50                }
51            }
52        }
53    }
54}
time_macros/format_description/public/mod.rs

time_macros/format_description/public/
mod.rs
