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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:50 +0000
commit2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35 (patch)
treed325add32978dbdc1db975a438b3a77d571b1ab8 /vendor/time-macros/src/format_description
parentReleasing progress-linux version 1.68.2+dfsg1-1~progress7.99u1. (diff)
downloadrustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.tar.xz
rustc-2e00214b3efbdfeefaa0fe9e8b8fd519de7adc35.zip
Merging upstream version 1.69.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/time-macros/src/format_description')
-rw-r--r--vendor/time-macros/src/format_description/component.rs168
-rw-r--r--vendor/time-macros/src/format_description/error.rs29
-rw-r--r--vendor/time-macros/src/format_description/mod.rs40
-rw-r--r--vendor/time-macros/src/format_description/modifier.rs417
-rw-r--r--vendor/time-macros/src/format_description/parse.rs84
5 files changed, 0 insertions, 738 deletions
diff --git a/vendor/time-macros/src/format_description/component.rs b/vendor/time-macros/src/format_description/component.rs
deleted file mode 100644
index 850da91d2..000000000
--- a/vendor/time-macros/src/format_description/component.rs
+++ /dev/null
@@ -1,168 +0,0 @@
-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(),
- }),
- }
- }
-}
diff --git a/vendor/time-macros/src/format_description/error.rs b/vendor/time-macros/src/format_description/error.rs
deleted file mode 100644
index 9aacd7dc9..000000000
--- a/vendor/time-macros/src/format_description/error.rs
+++ /dev/null
@@ -1,29 +0,0 @@
-use std::fmt;
-
-pub(crate) enum InvalidFormatDescription {
- UnclosedOpeningBracket { index: usize },
- InvalidComponentName { name: String, index: usize },
- InvalidModifier { value: String, index: usize },
- MissingComponentName { index: usize },
-}
-
-impl fmt::Display for InvalidFormatDescription {
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- #[allow(clippy::enum_glob_use)]
- use InvalidFormatDescription::*;
- match self {
- UnclosedOpeningBracket { index } => {
- write!(f, "unclosed opening bracket at byte index {index}")
- }
- InvalidComponentName { name, index } => {
- write!(f, "invalid component name `{name}` at byte index {index}",)
- }
- InvalidModifier { value, index } => {
- write!(f, "invalid modifier `{value}` at byte index {index}")
- }
- MissingComponentName { index } => {
- write!(f, "missing component name at byte index {index}")
- }
- }
- }
-}
diff --git a/vendor/time-macros/src/format_description/mod.rs b/vendor/time-macros/src/format_description/mod.rs
deleted file mode 100644
index dd32db74d..000000000
--- a/vendor/time-macros/src/format_description/mod.rs
+++ /dev/null
@@ -1,40 +0,0 @@
-mod component;
-pub(crate) mod error;
-pub(crate) mod modifier;
-pub(crate) mod parse;
-
-use proc_macro::{Literal, TokenStream};
-
-pub(crate) use self::component::Component;
-pub(crate) use self::parse::parse;
-use crate::to_tokens::ToTokenStream;
-
-mod helper {
- #[must_use = "This does not modify the original slice."]
- pub(crate) fn consume_whitespace<'a>(bytes: &'a [u8], index: &mut usize) -> &'a [u8] {
- let first_non_whitespace = bytes
- .iter()
- .position(|c| !c.is_ascii_whitespace())
- .unwrap_or(bytes.len());
- *index += first_non_whitespace;
- &bytes[first_non_whitespace..]
- }
-}
-
-#[allow(single_use_lifetimes)] // false positive
-#[allow(variant_size_differences)]
-pub(crate) enum FormatItem<'a> {
- Literal(&'a [u8]),
- Component(Component),
-}
-
-impl ToTokenStream for FormatItem<'_> {
- fn append_to(self, ts: &mut TokenStream) {
- quote_append! { ts
- ::time::format_description::FormatItem::#S(match self {
- FormatItem::Literal(bytes) => quote! { Literal(#(Literal::byte_string(bytes))) },
- FormatItem::Component(component) => quote! { Component(#S(component)) },
- })
- }
- }
-}
diff --git a/vendor/time-macros/src/format_description/modifier.rs b/vendor/time-macros/src/format_description/modifier.rs
deleted file mode 100644
index f4e641a7b..000000000
--- a/vendor/time-macros/src/format_description/modifier.rs
+++ /dev/null
@@ -1,417 +0,0 @@
-use core::mem;
-
-use proc_macro::{Ident, Span, TokenStream, TokenTree};
-
-use crate::format_description::error::InvalidFormatDescription;
-use crate::format_description::helper;
-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,
- }
-}
-
-macro_rules! impl_default {
- ($($type:ty => $default:expr;)*) => {$(
- impl Default for $type {
- fn default() -> Self {
- $default
- }
- }
- )*};
-}
-
-impl_default! {
- Day => Self { padding: Padding::default() };
- MonthRepr => Self::Numerical;
- Month => Self {
- padding: Padding::default(),
- repr: MonthRepr::default(),
- case_sensitive: true,
- };
- Ordinal => Self { padding: Padding::default() };
- WeekdayRepr => Self::Long;
- Weekday => Self {
- repr: WeekdayRepr::default(),
- one_indexed: true,
- case_sensitive: true,
- };
- WeekNumberRepr => Self::Iso;
- WeekNumber => Self {
- padding: Padding::default(),
- repr: WeekNumberRepr::default(),
- };
- YearRepr => Self::Full;
- Year => Self {
- padding: Padding::default(),
- repr: YearRepr::default(),
- iso_week_based: false,
- sign_is_mandatory: false,
- };
- Hour => Self {
- padding: Padding::default(),
- is_12_hour_clock: false,
- };
- Minute => Self { padding: Padding::default() };
- Period => Self { is_uppercase: true, case_sensitive: true };
- Second => Self { padding: Padding::default() };
- SubsecondDigits => Self::OneOrMore;
- Subsecond => Self { digits: SubsecondDigits::default() };
- OffsetHour => Self {
- sign_is_mandatory: true,
- padding: Padding::default(),
- };
- OffsetMinute => Self { padding: Padding::default() };
- OffsetSecond => Self { padding: Padding::default() };
- Padding => Self::Zero;
-}
-
-#[derive(Default)]
-pub(crate) struct Modifiers {
- pub(crate) padding: Option<Padding>,
- pub(crate) hour_is_12_hour_clock: Option<bool>,
- pub(crate) period_is_uppercase: Option<bool>,
- pub(crate) month_repr: Option<MonthRepr>,
- pub(crate) subsecond_digits: Option<SubsecondDigits>,
- pub(crate) weekday_repr: Option<WeekdayRepr>,
- pub(crate) weekday_is_one_indexed: Option<bool>,
- pub(crate) week_number_repr: Option<WeekNumberRepr>,
- pub(crate) year_repr: Option<YearRepr>,
- pub(crate) year_is_iso_week_based: Option<bool>,
- pub(crate) sign_is_mandatory: Option<bool>,
- pub(crate) case_sensitive: Option<bool>,
-}
-
-impl Modifiers {
- #[allow(clippy::too_many_lines)]
- pub(crate) fn parse(
- component_name: &[u8],
- mut bytes: &[u8],
- index: &mut usize,
- ) -> Result<Self, InvalidFormatDescription> {
- let mut modifiers = Self::default();
-
- while !bytes.is_empty() {
- // Trim any whitespace between modifiers.
- bytes = helper::consume_whitespace(bytes, index);
-
- let modifier;
- if let Some(whitespace_loc) = bytes.iter().position(u8::is_ascii_whitespace) {
- *index += whitespace_loc;
- modifier = &bytes[..whitespace_loc];
- bytes = &bytes[whitespace_loc..];
- } else {
- modifier = mem::take(&mut bytes);
- }
-
- if modifier.is_empty() {
- break;
- }
-
- match (component_name, modifier) {
- (
- b"day" | b"hour" | b"minute" | b"month" | b"offset_hour" | b"offset_minute"
- | b"offset_second" | b"ordinal" | b"second" | b"week_number" | b"year",
- b"padding:space",
- ) => modifiers.padding = Some(Padding::Space),
- (
- b"day" | b"hour" | b"minute" | b"month" | b"offset_hour" | b"offset_minute"
- | b"offset_second" | b"ordinal" | b"second" | b"week_number" | b"year",
- b"padding:zero",
- ) => modifiers.padding = Some(Padding::Zero),
- (
- b"day" | b"hour" | b"minute" | b"month" | b"offset_hour" | b"offset_minute"
- | b"offset_second" | b"ordinal" | b"second" | b"week_number" | b"year",
- b"padding:none",
- ) => modifiers.padding = Some(Padding::None),
- (b"hour", b"repr:24") => modifiers.hour_is_12_hour_clock = Some(false),
- (b"hour", b"repr:12") => modifiers.hour_is_12_hour_clock = Some(true),
- (b"month" | b"period" | b"weekday", b"case_sensitive:true") => {
- modifiers.case_sensitive = Some(true)
- }
- (b"month" | b"period" | b"weekday", b"case_sensitive:false") => {
- modifiers.case_sensitive = Some(false)
- }
- (b"month", b"repr:numerical") => modifiers.month_repr = Some(MonthRepr::Numerical),
- (b"month", b"repr:long") => modifiers.month_repr = Some(MonthRepr::Long),
- (b"month", b"repr:short") => modifiers.month_repr = Some(MonthRepr::Short),
- (b"offset_hour" | b"year", b"sign:automatic") => {
- modifiers.sign_is_mandatory = Some(false);
- }
- (b"offset_hour" | b"year", b"sign:mandatory") => {
- modifiers.sign_is_mandatory = Some(true);
- }
- (b"period", b"case:upper") => modifiers.period_is_uppercase = Some(true),
- (b"period", b"case:lower") => modifiers.period_is_uppercase = Some(false),
- (b"subsecond", b"digits:1") => {
- modifiers.subsecond_digits = Some(SubsecondDigits::One);
- }
- (b"subsecond", b"digits:2") => {
- modifiers.subsecond_digits = Some(SubsecondDigits::Two);
- }
- (b"subsecond", b"digits:3") => {
- modifiers.subsecond_digits = Some(SubsecondDigits::Three);
- }
- (b"subsecond", b"digits:4") => {
- modifiers.subsecond_digits = Some(SubsecondDigits::Four);
- }
- (b"subsecond", b"digits:5") => {
- modifiers.subsecond_digits = Some(SubsecondDigits::Five);
- }
- (b"subsecond", b"digits:6") => {
- modifiers.subsecond_digits = Some(SubsecondDigits::Six);
- }
- (b"subsecond", b"digits:7") => {
- modifiers.subsecond_digits = Some(SubsecondDigits::Seven);
- }
- (b"subsecond", b"digits:8") => {
- modifiers.subsecond_digits = Some(SubsecondDigits::Eight);
- }
- (b"subsecond", b"digits:9") => {
- modifiers.subsecond_digits = Some(SubsecondDigits::Nine);
- }
- (b"subsecond", b"digits:1+") => {
- modifiers.subsecond_digits = Some(SubsecondDigits::OneOrMore);
- }
- (b"weekday", b"repr:short") => modifiers.weekday_repr = Some(WeekdayRepr::Short),
- (b"weekday", b"repr:long") => modifiers.weekday_repr = Some(WeekdayRepr::Long),
- (b"weekday", b"repr:sunday") => modifiers.weekday_repr = Some(WeekdayRepr::Sunday),
- (b"weekday", b"repr:monday") => modifiers.weekday_repr = Some(WeekdayRepr::Monday),
- (b"weekday", b"one_indexed:true") => modifiers.weekday_is_one_indexed = Some(true),
- (b"weekday", b"one_indexed:false") => {
- modifiers.weekday_is_one_indexed = Some(false);
- }
- (b"week_number", b"repr:iso") => {
- modifiers.week_number_repr = Some(WeekNumberRepr::Iso);
- }
- (b"week_number", b"repr:sunday") => {
- modifiers.week_number_repr = Some(WeekNumberRepr::Sunday);
- }
- (b"week_number", b"repr:monday") => {
- modifiers.week_number_repr = Some(WeekNumberRepr::Monday);
- }
- (b"year", b"repr:full") => modifiers.year_repr = Some(YearRepr::Full),
- (b"year", b"repr:last_two") => modifiers.year_repr = Some(YearRepr::LastTwo),
- (b"year", b"base:calendar") => modifiers.year_is_iso_week_based = Some(false),
- (b"year", b"base:iso_week") => modifiers.year_is_iso_week_based = Some(true),
- _ => {
- return Err(InvalidFormatDescription::InvalidModifier {
- value: String::from_utf8_lossy(modifier).into_owned(),
- index: *index,
- });
- }
- }
- }
-
- Ok(modifiers)
- }
-}
diff --git a/vendor/time-macros/src/format_description/parse.rs b/vendor/time-macros/src/format_description/parse.rs
deleted file mode 100644
index 19c7bf608..000000000
--- a/vendor/time-macros/src/format_description/parse.rs
+++ /dev/null
@@ -1,84 +0,0 @@
-use proc_macro::Span;
-
-use crate::format_description::component::{Component, NakedComponent};
-use crate::format_description::error::InvalidFormatDescription;
-use crate::format_description::{helper, modifier, FormatItem};
-use crate::Error;
-
-struct ParsedItem<'a> {
- item: FormatItem<'a>,
- remaining: &'a [u8],
-}
-
-fn parse_component(mut s: &[u8], index: &mut usize) -> Result<Component, InvalidFormatDescription> {
- s = helper::consume_whitespace(s, index);
-
- let component_index = *index;
- let whitespace_loc = s
- .iter()
- .position(u8::is_ascii_whitespace)
- .unwrap_or(s.len());
- *index += whitespace_loc;
- let component_name = &s[..whitespace_loc];
- s = &s[whitespace_loc..];
- s = helper::consume_whitespace(s, index);
-
- Ok(NakedComponent::parse(component_name, component_index)?
- .attach_modifiers(modifier::Modifiers::parse(component_name, s, index)?))
-}
-
-fn parse_literal<'a>(s: &'a [u8], index: &mut usize) -> ParsedItem<'a> {
- let loc = s.iter().position(|&c| c == b'[').unwrap_or(s.len());
- *index += loc;
- ParsedItem {
- item: FormatItem::Literal(&s[..loc]),
- remaining: &s[loc..],
- }
-}
-
-fn parse_item<'a>(
- s: &'a [u8],
- index: &mut usize,
-) -> Result<ParsedItem<'a>, InvalidFormatDescription> {
- if let [b'[', b'[', remaining @ ..] = s {
- *index += 2;
- return Ok(ParsedItem {
- item: FormatItem::Literal(b"["),
- remaining,
- });
- };
-
- if s.starts_with(b"[") {
- if let Some(bracket_index) = s.iter().position(|&c| c == b']') {
- *index += 1; // opening bracket
- let ret_val = ParsedItem {
- item: FormatItem::Component(parse_component(&s[1..bracket_index], index)?),
- remaining: &s[bracket_index + 1..],
- };
- *index += 1; // closing bracket
- Ok(ret_val)
- } else {
- Err(InvalidFormatDescription::UnclosedOpeningBracket { index: *index })
- }
- } else {
- Ok(parse_literal(s, index))
- }
-}
-
-pub(crate) fn parse(mut s: &[u8], span: Span) -> Result<Vec<FormatItem<'_>>, Error> {
- let mut compound = Vec::new();
- let mut loc = 0;
-
- while !s.is_empty() {
- let ParsedItem { item, remaining } =
- parse_item(s, &mut loc).map_err(|error| Error::InvalidFormatDescription {
- error,
- span_start: Some(span),
- span_end: Some(span),
- })?;
- s = remaining;
- compound.push(item);
- }
-
- Ok(compound)
-}