diff options
Diffstat (limited to 'vendor/time-macros/src/format_description/component.rs')
| -rw-r--r-- | vendor/time-macros/src/format_description/component.rs | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/vendor/time-macros/src/format_description/component.rs b/vendor/time-macros/src/format_description/component.rs new file mode 100644 index 000000000..850da91d2 --- /dev/null +++ b/vendor/time-macros/src/format_description/component.rs @@ -0,0 +1,168 @@ +use proc_macro::{Ident, Span, TokenStream}; + +use crate::format_description::error::InvalidFormatDescription; +use crate::format_description::modifier; +use crate::format_description::modifier::Modifiers; +use crate::to_tokens::ToTokenStream; + +pub(crate) enum Component { + Day(modifier::Day), + Month(modifier::Month), + Ordinal(modifier::Ordinal), + Weekday(modifier::Weekday), + WeekNumber(modifier::WeekNumber), + Year(modifier::Year), + Hour(modifier::Hour), + Minute(modifier::Minute), + Period(modifier::Period), + Second(modifier::Second), + Subsecond(modifier::Subsecond), + OffsetHour(modifier::OffsetHour), + OffsetMinute(modifier::OffsetMinute), + OffsetSecond(modifier::OffsetSecond), +} + +impl ToTokenStream for Component { + fn append_to(self, ts: &mut TokenStream) { + let mut mts = TokenStream::new(); + + macro_rules! component_name_and_append { + ($($name:ident)*) => { + match self { + $(Self::$name(modifier) => { + modifier.append_to(&mut mts); + stringify!($name) + })* + } + }; + } + + let component = component_name_and_append![ + Day + Month + Ordinal + Weekday + WeekNumber + Year + Hour + Minute + Period + Second + Subsecond + OffsetHour + OffsetMinute + OffsetSecond + ]; + let component = Ident::new(component, Span::mixed_site()); + + quote_append! { ts + ::time::format_description::Component::#(component)(#S(mts)) + } + } +} + +pub(crate) enum NakedComponent { + Day, + Month, + Ordinal, + Weekday, + WeekNumber, + Year, + Hour, + Minute, + Period, + Second, + Subsecond, + OffsetHour, + OffsetMinute, + OffsetSecond, +} + +impl NakedComponent { + pub(crate) fn parse( + component_name: &[u8], + component_index: usize, + ) -> Result<Self, InvalidFormatDescription> { + match component_name { + b"day" => Ok(Self::Day), + b"month" => Ok(Self::Month), + b"ordinal" => Ok(Self::Ordinal), + b"weekday" => Ok(Self::Weekday), + b"week_number" => Ok(Self::WeekNumber), + b"year" => Ok(Self::Year), + b"hour" => Ok(Self::Hour), + b"minute" => Ok(Self::Minute), + b"period" => Ok(Self::Period), + b"second" => Ok(Self::Second), + b"subsecond" => Ok(Self::Subsecond), + b"offset_hour" => Ok(Self::OffsetHour), + b"offset_minute" => Ok(Self::OffsetMinute), + b"offset_second" => Ok(Self::OffsetSecond), + b"" => Err(InvalidFormatDescription::MissingComponentName { + index: component_index, + }), + _ => Err(InvalidFormatDescription::InvalidComponentName { + name: String::from_utf8_lossy(component_name).into_owned(), + index: component_index, + }), + } + } + + pub(crate) fn attach_modifiers(self, modifiers: Modifiers) -> Component { + match self { + Self::Day => Component::Day(modifier::Day { + padding: modifiers.padding.unwrap_or_default(), + }), + Self::Month => Component::Month(modifier::Month { + padding: modifiers.padding.unwrap_or_default(), + repr: modifiers.month_repr.unwrap_or_default(), + case_sensitive: modifiers.case_sensitive.unwrap_or(true), + }), + Self::Ordinal => Component::Ordinal(modifier::Ordinal { + padding: modifiers.padding.unwrap_or_default(), + }), + Self::Weekday => Component::Weekday(modifier::Weekday { + repr: modifiers.weekday_repr.unwrap_or_default(), + one_indexed: modifiers.weekday_is_one_indexed.unwrap_or(true), + case_sensitive: modifiers.case_sensitive.unwrap_or(true), + }), + Self::WeekNumber => Component::WeekNumber(modifier::WeekNumber { + padding: modifiers.padding.unwrap_or_default(), + repr: modifiers.week_number_repr.unwrap_or_default(), + }), + Self::Year => Component::Year(modifier::Year { + padding: modifiers.padding.unwrap_or_default(), + repr: modifiers.year_repr.unwrap_or_default(), + iso_week_based: modifiers.year_is_iso_week_based.unwrap_or_default(), + sign_is_mandatory: modifiers.sign_is_mandatory.unwrap_or_default(), + }), + Self::Hour => Component::Hour(modifier::Hour { + padding: modifiers.padding.unwrap_or_default(), + is_12_hour_clock: modifiers.hour_is_12_hour_clock.unwrap_or_default(), + }), + Self::Minute => Component::Minute(modifier::Minute { + padding: modifiers.padding.unwrap_or_default(), + }), + Self::Period => Component::Period(modifier::Period { + is_uppercase: modifiers.period_is_uppercase.unwrap_or(true), + case_sensitive: modifiers.case_sensitive.unwrap_or(true), + }), + Self::Second => Component::Second(modifier::Second { + padding: modifiers.padding.unwrap_or_default(), + }), + Self::Subsecond => Component::Subsecond(modifier::Subsecond { + digits: modifiers.subsecond_digits.unwrap_or_default(), + }), + Self::OffsetHour => Component::OffsetHour(modifier::OffsetHour { + sign_is_mandatory: modifiers.sign_is_mandatory.unwrap_or_default(), + padding: modifiers.padding.unwrap_or_default(), + }), + Self::OffsetMinute => Component::OffsetMinute(modifier::OffsetMinute { + padding: modifiers.padding.unwrap_or_default(), + }), + Self::OffsetSecond => Component::OffsetSecond(modifier::OffsetSecond { + padding: modifiers.padding.unwrap_or_default(), + }), + } + } +} |