diff options
Diffstat (limited to 'third_party/rust/time-macros/src/format_description/public/modifier.rs')
-rw-r--r-- | third_party/rust/time-macros/src/format_description/public/modifier.rs | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/third_party/rust/time-macros/src/format_description/public/modifier.rs b/third_party/rust/time-macros/src/format_description/public/modifier.rs new file mode 100644 index 0000000000..e39c6bf552 --- /dev/null +++ b/third_party/rust/time-macros/src/format_description/public/modifier.rs @@ -0,0 +1,247 @@ +use std::num::NonZeroU16; + +use proc_macro::{Ident, Span, TokenStream, TokenTree}; + +use crate::to_tokens::{ToTokenStream, ToTokenTree}; + +macro_rules! to_tokens { + ( + $(#[$struct_attr:meta])* + $struct_vis:vis struct $struct_name:ident {$( + $(#[$field_attr:meta])* + $field_vis:vis $field_name:ident : $field_ty:ty + ),+ $(,)?} + ) => { + $(#[$struct_attr])* + $struct_vis struct $struct_name {$( + $(#[$field_attr])* + $field_vis $field_name: $field_ty + ),+} + + impl ToTokenTree for $struct_name { + fn into_token_tree(self) -> TokenTree { + let mut tokens = TokenStream::new(); + let Self {$($field_name),+} = self; + + quote_append! { tokens + let mut value = ::time::format_description::modifier::$struct_name::default(); + }; + $( + quote_append!(tokens value.$field_name =); + $field_name.append_to(&mut tokens); + quote_append!(tokens ;); + )+ + quote_append!(tokens value); + + proc_macro::TokenTree::Group(proc_macro::Group::new( + proc_macro::Delimiter::Brace, + tokens, + )) + } + } + }; + + ( + $(#[$enum_attr:meta])* + $enum_vis:vis enum $enum_name:ident {$( + $(#[$variant_attr:meta])* + $variant_name:ident + ),+ $(,)?} + ) => { + $(#[$enum_attr])* + $enum_vis enum $enum_name {$( + $(#[$variant_attr])* + $variant_name + ),+} + + impl ToTokenStream for $enum_name { + fn append_to(self, ts: &mut TokenStream) { + quote_append! { ts + ::time::format_description::modifier::$enum_name:: + }; + let name = match self { + $(Self::$variant_name => stringify!($variant_name)),+ + }; + ts.extend([TokenTree::Ident(Ident::new(name, Span::mixed_site()))]); + } + } + } +} + +to_tokens! { + pub(crate) struct Day { + pub(crate) padding: Padding, + } +} + +to_tokens! { + pub(crate) enum MonthRepr { + Numerical, + Long, + Short, + } +} + +to_tokens! { + pub(crate) struct Month { + pub(crate) padding: Padding, + pub(crate) repr: MonthRepr, + pub(crate) case_sensitive: bool, + } +} + +to_tokens! { + pub(crate) struct Ordinal { + pub(crate) padding: Padding, + } +} + +to_tokens! { + pub(crate) enum WeekdayRepr { + Short, + Long, + Sunday, + Monday, + } +} + +to_tokens! { + pub(crate) struct Weekday { + pub(crate) repr: WeekdayRepr, + pub(crate) one_indexed: bool, + pub(crate) case_sensitive: bool, + } +} + +to_tokens! { + pub(crate) enum WeekNumberRepr { + Iso, + Sunday, + Monday, + } +} + +to_tokens! { + pub(crate) struct WeekNumber { + pub(crate) padding: Padding, + pub(crate) repr: WeekNumberRepr, + } +} + +to_tokens! { + pub(crate) enum YearRepr { + Full, + LastTwo, + } +} + +to_tokens! { + pub(crate) struct Year { + pub(crate) padding: Padding, + pub(crate) repr: YearRepr, + pub(crate) iso_week_based: bool, + pub(crate) sign_is_mandatory: bool, + } +} + +to_tokens! { + pub(crate) struct Hour { + pub(crate) padding: Padding, + pub(crate) is_12_hour_clock: bool, + } +} + +to_tokens! { + pub(crate) struct Minute { + pub(crate) padding: Padding, + } +} + +to_tokens! { + pub(crate) struct Period { + pub(crate) is_uppercase: bool, + pub(crate) case_sensitive: bool, + } +} + +to_tokens! { + pub(crate) struct Second { + pub(crate) padding: Padding, + } +} + +to_tokens! { + pub(crate) enum SubsecondDigits { + One, + Two, + Three, + Four, + Five, + Six, + Seven, + Eight, + Nine, + OneOrMore, + } +} + +to_tokens! { + pub(crate) struct Subsecond { + pub(crate) digits: SubsecondDigits, + } +} + +to_tokens! { + pub(crate) struct OffsetHour { + pub(crate) sign_is_mandatory: bool, + pub(crate) padding: Padding, + } +} + +to_tokens! { + pub(crate) struct OffsetMinute { + pub(crate) padding: Padding, + } +} + +to_tokens! { + pub(crate) struct OffsetSecond { + pub(crate) padding: Padding, + } +} + +to_tokens! { + pub(crate) enum Padding { + Space, + Zero, + None, + } +} + +pub(crate) struct Ignore { + pub(crate) count: NonZeroU16, +} + +impl ToTokenTree for Ignore { + fn into_token_tree(self) -> TokenTree { + quote_group! {{ + ::time::format_description::modifier::Ignore::count(#(self.count)) + }} + } +} + +to_tokens! { + pub(crate) enum UnixTimestampPrecision { + Second, + Millisecond, + Microsecond, + Nanosecond, + } +} + +to_tokens! { + pub(crate) struct UnixTimestamp { + pub(crate) precision: UnixTimestampPrecision, + pub(crate) sign_is_mandatory: bool, + } +} |