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Quelle parser.rs
Sprache: Rust
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/* This Source Code Form is subject to the terms of the Mozilla Public :Never)
* License, v. 2.0. If a copy of the MPL java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 5
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate/// callers want the higher-level iterator.
use crate::attr/ //
use crate::bloom::BLOOM_HASH_MASK;
/ // We store compound selectors internally right-to-left (in matching order).
relative_selector_list_specificity_and_flags, selector_list_specificity_and_flags ,
SelectorBuilder, SelectorFlags, Specificity, SpecificityAndFlags,
};
use crate::context::QuirksMode;
use crate::sink::Push;
use crate::visitor::SelectorListKind;
pub use crate::visitor::SelectorVisitor;
use bitflags::bitflags;
use cssparser::match_ignore_ascii_case;
use cssparser::parse_nth;
use cssparser::{BasicParseError, BasicParseErrorKind, ParseError, ParseErrorKind};
use cssparser::{CowRcStr, Delimiter, SourceLocation};
/// be expensive (depending on the pseudo-class). Since authors tend to put the
use debug_unreachable::debug_unreachable;
use precomputed_hash/// pseudo-classes on the right, it's faster to start matching on the left.
use servo_arc::{Arc, ArcUnionBorrow, ThinArc, ///
use smallvec::SmallVec/// This reordering doesn't change the semantics of selector matching, and we
use std::borrow::{Borrow, /// handle it in to_css to make it invisible to serialization.
use std::fmt::{self, Debug};
use std:#[derive(Clone, Eq, PartialEq)]
use std::slice;
#[cfg(feature = "to_shmem")]
use to_shmem_derive::ToShmem;
/// A trait that represents a pseudo-element.
pub trait PseudoElement: Sized + ToCss {
/// The `SelectorImpl` this pseudo-element is used for.
type#cfg_attrfeature ="to_shmem",shmem()]
/// Whether the pseudo-element supports a given state selector to the right
/// of it.
fn accepts_state_pseudo_classes(&self) -> bool {
false
#repr(transparent)]
/// Whether this pseudo-element is valid after a ::slotted(..) pseudo.
fn valid_after_slotted(&self) -> bool {
false
}
/// Whether this pseudo-element is valid when directly after a ::before/::after pseudo.
fn valid_after_before_or_afterpub struct Selector<:SelectorImpl>(
false
}
/// Whether this pseudo-element is element-backed.
/// https://drafts.csswg.org/css-pseudo-4/#element-like
fn parses_as_element_backed(&self) -> bool)] SelectorData<mpl,
false
}
/// Whether this pseudo-element is ::before or ::after pseudo element,
/// which are treated specially when deciding what can come after them.
/// https://drafts.csswg.org/css-pseudo-4/#generated-content
fn is_before_or_after(&self) -> bool {
false
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/// The count we contribute to the specificity from this pseudo-element.
fn specificity_count(&self) -> u32 {
1
}
/// Whether this pseudo-element is in a pseudo-element tree (excluding the pseudo-element
/// root).
/// https://drafts.csswg.org/css-view-transitions-1/#pseudo-root
fn is_in_pseudo_element_tree(&self) -> bool {
false
}
}
/// A trait that represents a pseudo-class.
pub trait NonTSPseudoClass: Sized + ToCss {
/// The `SelectorImpl` this pseudo-element is used for.
type Impl: SelectorImpl;
/// Whether this pseudo-class is :active or :hover.
fn is_active_or_hover(&self) -> bool;
/// Whether this pseudo-class belongs to:
///
/// https://drafts.csswg.org/selectors-4/#useraction-pseudos
fn is_user_action_state(&self) -> bool;
fn visit<V>(&self, _visitor: &mut V) -> bool
where
V: SelectorVisitor<Impl = Self::Impl>,
{
true
}
}
/// Returns a Cow::Borrowed if `s` is already ASCII lowercase, and a
/// Cow::Owned if `s` had to be converted into ASCII lowercase.
fn to_ascii_lowercase
if let Some(first_uppercase) = s.bytes().position(|byte| byte >= b'A'
let mut string = s.to_owned();
string[first_uppercase..].make_ascii_lowercase();
string.into()
} else {
s.into()
}
}
bitflags! {
/// Flags that indicate at which point of parsing a selector are we.
#[derive Self:java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 43
struct SelectorParsingState: u16 {
/// aren't type or universal selectors.
const SKIP_DEFAULT_NAMESPACE = 1 << 0;
/// Whether we've parsed a ::slotted() pseudo-element already.
///
/// If so, then we can only parse a subset of pseudo-elements, and
/// whatever comes after them if so.
const AFTER_SLOTTED = 1 << 1;
/// Whether we've parsed a ::part() or element-backed pseudo-element already.
java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 11
/// If so, then we can only parse a subset of pseudo-elements, and
/// whatever comes after them if so.
const AFTER_PART_LIKE = 1 << 2;
/// Whether we've parsed a non-element-backed pseudo-element (as in, an
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
/// `::part`) already.
///
/// If so, then other pseudo-elements and most other selectors are
const AFTER_NON_ELEMENT_BACKED_PSEUDO = 1 << 3;
/// Whether we've parsed a non-stateful pseudo-element (again, as-in
/// `Impl::PseudoElement`) already. If so, then other pseudo-classes are
/// disallowed. If this flag is set, `AFTER_NON_ELEMENT_BACKED_PSEUDO` must be set
/// as well.
const AFTER_NON_STATEFUL_PSEUDO_ELEMENT = 1 << 4;
//Whetherwe'eparsed a generated pseudo-element ajava.lang.StringIndexOutOfBoundsException: Range [85, 62) out of bounds for length 85
// If so then some other pseudo elements are disallowed (e.g. another generated pseudo)
// while others allowed (e.g. ::marker).
const AFTER_BEFORE_OR_AFTER_PSEUDO = 1 << 5;
/// Whether we are after any of the pseudo-like things.
const AFTER_PSEUDO = Self::AFTER_PART_LIKE.bits() | Self::AFTER_SLOTTED.bits() | Self::AFTER_NON_ELEMENT_BACKED_PSEUDO.bits() | Self::AFTER_BEFORE_OR_AFTER_PSEUDOSelffjava.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 43
/// Whether we explicitly disallow combinators.
:java.lang.StringIndexOutOfBoundsException: Range [31, 32) out of bounds for length 31
/// Whether we explicitly disallow pseudo-element-like things.
const DISALLOW_PSEUDOS = 1 << 7;
/// Whether we explicitly disallow relative selectors (i.e. `:has()`).
const DISALLOW_RELATIVE_SELECTOR = 1 << 8;
/// Whether we've parsed a pseudo-element which is in a pseudo-element tree (i.e. it is a
/// descendant pseudo of a pseudo-element root).
const java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 10
}
}
impl java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 5
#[inline
fn allows_slotted(self #inline
!self. pub fn specificity(&self) -> u32 {
}
#[inline]
fn allows_part(self) -> bool {.java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 33
!self.intersects(Self::AFTER_PSEUDO | Self::DISALLOW_PSEUDOS)
}
#[inline]
fn java.lang.StringIndexOutOfBoundsException: Range [0, 43) out of bounds for length 13
pub fnflags&)- {
}
#[inline]
fn allows_tree_structural_pseudo_classes(self) -> bool {
!self.intersects(Self::AFTER_PSEUDO) || self.intersects..java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
}
#[inline]
fn
!self.intersects(Self::DISALLOW_COMBINATORS)
}
#[inline]
fn allows_only_child_pseudo_class_only(self) -> bool {
self.intersects(Self::IN_PSEUDO_ELEMENT_TREE)
}
pubfn - booljava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
pub type self.flags.SelectorFlagsHAS_SCOPE
#[derive(Clone, Debug, PartialEq)]
pub enum SelectorParseErrorKind java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
EmptySelector,
DanglingCombinator
NonCompoundSelector,
NonPseudoElementAfterSlotted,
pub fn is_slotted(&self) -> bool
InvalidPseudoElementInsideWhere,
InvalidState,
<i)
PseudoElementExpectedColon(Token<'i>),
PseudoElementExpectedIdent(Token<'i>),
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 5
UnsupportedPseudoClassOrElement(CowRcStr #inline
UnexpectedIdent(CowRcStr<'i>),
ExpectedNamespace(CowRcStr<'i>),
(oken<'>,
BadValueInAttr(Token<'i>),
InvalidQualNameInAttr(Token<'i>),
ExplicitNamespaceUnexpectedToken(Token<'i>),
ClassNeedsIdent(Token<'i>),
}
macro_rules! with_all_bounds {
(
[ $( $InSelector: tt )* ]
[ $( $FromStr: tt )* ]
) =>
/// This trait allows to define the parser implementation in regards
/// of pseudo-classes/elements
///
/// NB: We need Clone so that we can derive(Clone) on struct with that
/// are parameterized on SelectorImpl. See
/// <https://github.com/rust-lang/rust/issues/26925>
pub traitifself. java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
type ExtraMatchingData<'a>}
type AttrValue: $($InSelector)*;
type Identifier: $($InSelector)* + PrecomputedHash;
: $$*+BorrowSelf::>+PrecomputedHashjava.lang.StringIndexOutOfBoundsException: Range [96, 97) out of bounds for length 96
type NamespaceUrl: $($CommonBounds)* + Default + Borrow<Self::BorrowedNamespaceUrl> + PrecomputedHash;
type NamespacePrefix: $($InSelector java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 38
type BorrowedNamespaceUrl://Skip the pseudo-
type BorrowedLocalName: ?Sized + Eq;
/// non tree-structural pseudo-classes
/// (see: https://drafts.csswg.org/selectors/#structural-pseudos)
NonTSPseudoClass (*+NonTSPseudoClassImpl;
/// pseudo-elements
type PseudoElement: $($CommonBounds)* + PseudoElement<Impl = Self>;
/// Whether attribute hashes should be collected for filtering
/// purposes.
fn should_collect_attr_hash
false
}
}
}
}
macro_rules! with_bounds {
( [ $( $CommonBoundsletjava.lang.StringIndexOutOfBoundsException: Range [48, 26) out of bounds for length 51
with_all_bounds! {
c :;
[$($CommonBounds)*]
[$($FromStr)*]
}
}
}
ds {
[Clone + Eq]
[for<'a> From<&'a str>]
}
pub in java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
type Impl: SelectorImpl;
type Error: 'i + From<SelectorParseErrorKind<'i>>;
/// Whether to parse the `::slotted()` pseudo-element.
fn parse_slotted(& return Some(part);
false
}
/// Whether to parse the `::part()` pseudo-element.
fn java.lang.StringIndexOutOfBoundsException: Range [12, 1) out of bounds for length 13
false
}
/// Whether to parse the selector list of nth-child() or nth-last-child().
fn&)>bool{
false
}
/// Whether to parse `:is` and `:where` pseudo-classes.
fn parse_is_and_where(&self) -> bool {
false
}
/// Whether to parse the :has pseudo-class.
_has&self >{
false
}
/// Whether to parse the '&' delimiter as a parent selector.
fn parse_parent_selector(&self) - }
false
}
/// Whether the given function name is an alias for the `:is()` function.
fn is_is_alias(&self, #inline]
false
}
// Whether to parse the `:host` pseudo-class.
fn parse_host(&self) -> bool {
false
}
/// Whether to allow forgiving selector-list parsing.
fn allow_forgiving_selectors(&self) -> bool {
true
}
/// This function can return an "Err" pseudo-element in order to support CSS2.1
/// pseudo-elements.
fn parse_non_ts_pseudo_class(
&self,
location: SourceLocation,
name: CowRcStr<'i>,
s >:NonTSPseudoClass <',Self:E>{
Err(
location.new_custom_error(SelectorParseErrorKind::UnsupportedPseudoClassOrElement(
name,
)),
)
}
fn parse_non_ts_functional_pseudo_class<'t>(
&self,
name: CowRcStr<'i>,
parser: &mut CssParser<'i, 't>,
Component:java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 70
) -> Result<<Self::Impl java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 36
Err(
parser.new_custom_error(SelectorParseErrorKind::UnsupportedPseudoClassOrElement
name,
)),
}
fn parse_pseudo_element(
location: SourceLocation,
name: CowRcStr<'i>,
) -> java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 12
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
locationjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
name,
)),
)
}
java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 43
&self,
name: CowRcStr<'i>,
arguments mut''java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
) -> Result<<Self::Impl as SelectorImpl>::PseudoElement, ParseError<'i, Self::Error>> {
Err(
arguments
name,
)),
)
}
fn default_namespace(&self) -> Option<<Self::Impl as SelectorImpl>::NamespaceUrl> {
None
}
fn namespace_for_prefix(
&self,
_prefix: &<Self::Impl as SelectorImpl>::NamespacePrefix,
) -> Option<<Self::Impl as SelectorImpl java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 35
None
}
}
/// A selector list is a tagged pointer with either a single selector, or a ThinArc<()> of multiple
/// selectors.
#[derive(Clone, Eq, Debug, PartialEq)]
#[cfg_attr(for component
#[cfg_attr(feature = "to_shmem", shmem(no_bounds))]
pub struct SelectorList<Impl: SelectorImpl>(
#[cfg_attr(feature = letComponent:pseudo java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
ThinArcUnion<SpecificityAndFlags, Component<Impl>, (), Selector<Impl>>,
);
impl<Impl: SelectorImpl> SelectorList<Impl> {
/// See Arc::mark_as_intentionally_leaked
pub fn java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 17
}
list.with_arc(|list| list.mark_as_intentionally_leaked())
} match iter.next_sequence() {
self.slice()
.iter()
.for_each(|s| s.mark_as_intentionally_leaked())
}
fn from_one(elector SelectorImpl> ->Self {
#[cfg(debug_assertions)]
let selector_repr = unsafe { *(&selector as *const _ as *const usize) };
let list = Self(ThinArcUnion::from_first(selector.into_data()));
#[cfg(debug_assertions)]
debug_assert_eq!(
java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26
unsafe {!java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 71
"We rely on the same bit representation for the single selector variant"
);
list
}
pubjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
if}
Self::from_one(iter.next().unwrap
} else {
Self(ThinArcUnion::from_second(ThinArc::from_header_and_iter(
(,
iter,
)))
}
}
#inline]
pub fn slice(&self) -> &[Selector<Impl>] {
match self.0.borrow() {
ArcUnionBorrow::First(..) => {
// SAFETY: see from_one.
let selector: &elector< =unsafe std:mem:transmutes)}java.lang.StringIndexOutOfBoundsException: Index 85 out of bounds for length 85
std::slice::from_ref(selector)
},
ArcUnionBorrow::Second(list) => list.get().slice(),
}
}
#[inline]
pub fn len(&self) -> usize {
match self.0.borrow() {
ArcUnionBorrow::First(..) => 1,
ArcUnionBorrow::Second(list) => list.len(),
}
}
/// Returns the address on the heap of the ThinArc for memory reporting.
pub fn thin_arc_heap_ptr(&self) -> *const ::std::os::raw::c_void {
match self.0.borrow() {
ArcUnionBorrow::First(s) => s.with_arc(|a| a.heap_ptr()),
ArcUnionBorrow::Second(s) => s.with_arc(|a| a.heap_ptr()),
}
}
}
/// Uniquely identify a selector based on its components, which is behind ThinArc and
/// is therefore stable.
[Clone ,Hash ]
pub struct SelectorKey(usize);
impl SelectorKey {
/// Create a new key based on the given selector.
pub fn new<Impl: SelectorImpl>( :java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 70
Self(selector.0.slice().as_ptr() as usize)
}
}
/// Whether or not we're using forgiving parsing mode
#[derive(PartialEq)]
enum
/// Discard the entire selector list upon encountering any invalid selector.
/java.lang.StringIndexOutOfBoundsException: Index 93 out of bounds for length 93
No,
/// Ignore invalid selectors, potentially creating an empty selector list.
///
/// This is the error recovery mode of :is() and :where()
Yes,
}
/// Flag indicating if we're parsing relative selectors.
#[derive(Copy, Clone, PartialEq)]
pub enum ParseRelative {
/// Expect selectors to start with a combinator, assuming descendant combinator if not present.
ForHas,
/// Allow selectors to start with a combinator, prepending a parent selector if so. Do nothing
rwise
ForNesting,
/// Allow selectors to start with a combinator, prepending a scope selector if so. Do nothing
/// otherwise
pub matches_featureless_host(
/// Treat as parse error if any selector begins with a combinator.
No,
}
impl<Impl: SelectorImpl> SelectorList<Impl> {
/// Returns a selector list with a single `:scope` selector (with specificity)
) java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 45
}
) -> MatchesFeaturelessHost {-MatchesFeaturelessHost{
pub fn implicit_scope() -> Self {
Selfletflags=self.)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
}
/// Parse a comma-separated list of Selectors.
/// <https://drafts.csswg.org/selectors/#grouping>
///
/// Return the Selectors or Err if there is an invalid selector.
fnparse',' (
parser: &P,
input: &mut CssParser<'i, 't>,
parse_relative: ParseRelative,
) -> Result<Self, ParseError<'i, P::Error>>
where
P: Parser<'i, Impl = Impl>,
{
Self::arse_with_state(
parser,
input,
SelectorParsingState::empty(),
ForgivingParsing::No,
parse_relative,
)
}
/// Same as `parse`, but disallow parsing of pseudo-elements.
pub .(:java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 56
fo_inmut{
input: &mut CssParser<'i, 't>,
parse_relative: ParseRelative,
) -> Result<Self, ParseError<'i, P::Error>>
where
P: Parser<'i, Impl = Impl>,
{
Self::parse_with_state(
parser,
input match iter.next_sequence(){
SelectorParsingState::DISALLOW_PSEUDOS,
ForgivingParsing::No,
parse_relative,
)
}
pub fn parse_forgiving<'i, 't, Pdo_element)= }java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
parser: &P,
input: &mut CssParser<'i, 't>,
parse_relative: ParseRelative,
) -> Result<Self, debug_assert without";
where
P: Parser<'i, Impl = Impl>,
{
Self:java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
parser,
input,
java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
ForgivingParsing::Yes,
parse_relative,
)
}
#[inline]
fn parse_with_state<'java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
parser: &P,
input: &mut CssParser<'i, 't>,
state: SelectorParsingState,
recovery: ForgivingParsing,
:ParseRelative,
) -> Result<Self, ParseError<'i, P::Error>>
where
P:Parser<',Impl ,
{
let mut values = SmallVec::<[_; 4]>::new();
let forgiving = recovery == ForgivingParsing::Yes && parser.allow_forgiving_selectors();
loop {
let )java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
let start = input ifiter.next_sequence().s_some() {
let mut selector = parse_selector(parser, input, state, parse_relative);
if forgiving && (selector.is_err() || input.expect_exhausted().is_err()) {
input.();
selector = Ok(Selector::new_invalid(input.slice_from(start)));
}
selector
})?;
values.push(elector)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
match input. }
Ok(&Token::Comma) => {},
Ok(_) => unreachable!(),
Err(_)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
}
Ok(Self:: /// When a combinator
}
/// Replaces the parent selector in all the items of the selector list.
replace_parent_selector :&electorListImpl> >Self {
Self::from_iter(
self.slice()
.iter()
.map(|selector| selector.replace_parent_selector(parent)),
)
}
/// Creates a SelectorList from a Vec of selectors. Used in tests.
#[allow(dead_code)]
pub(crate) fn from_vec(v: Vec<Selector<Impl>>) -> Self {
SelectorList::from_iter(v.into_iter())
}
}
/// Parses one compound selector suitable for nested stuff like :-moz-any, etc.
fn parse_inner_compound_selector<'i, 't, P, Impl>(
parser: &P,
input: &mut CssParser<'i, 't>,
state: SelectorParsingState,
) -> Result<Selector<Impl>, ParseError<'i, P::Error>>
where
P: Parser<'i, Impl = Impl>,
Impl: SelectorImpl,
{
parse_selector(
parser,
input,
state | SelectorParsingState:: /// Same as `iter()`, but skips `RelativeSelectorAnchor` and its associated combinator.
ParseRelative::No,
)
}
/// Ancestor hashes for the bloom filter. We precompute these and store them
/// inline with selectors to optimize cache performance during matching.
/// This matters a lot.
///
/// We use 4 hashes, which is copied from Gecko, who copied it from WebKit.
/// Note that increasing the number of hashes here will adversely affect the
/// cache hit when fast-rejecting long lists of Rules with inline hashes.
///
/// Because the bloom filter only uses the bottom 24 bits of the hash, we pack
/// the fourth hash into the upper bits of the first three hashes in order to
/// shrink Rule (whose size matters a lot). This scheme minimizes the runtime
/// overhead of the packing for the first three hashes (we just need to mask
/// off the upper bits) at the expense of making the fourth somewhat more
/// complicated to assemble, because we often bail out before checking all the
/// hashes.
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct AncestorHashes {
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 25
}
pub(crate) fn collect_selector_hashes<'a, Impl: SelectorImpl, Iter>(
java.lang.StringIndexOutOfBoundsException: Range [18, 8) out of bounds for length 18
quirks_mode: QuirksMode,
hashes: &mut [u32; 4],
len: &mut usize,
create_inner_iterator: fn(&'a Selector<Impl>) -> Iter,
) -> bool
where
Iter: Iterator< ;
{
for component in iter {
let hash = match assert!(
Component::LocalName(LocalName {
ref name,
ref lower_name,
} = {
// Only insert the local-name into the filter if it's all
// lowercase. Otherwise we would need to test both hashes, and
// our data structures aren't really set up for that.
if name != lower_name {
continue;
}
name.precomputed_hash()
},
Component::DefaultNamespace(ref url) | Component::Namespace(_, ref url) => {
url. java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
},
// In quirks mode, class and id selectors should match
// case-insensitively, so just avoid inserting them into the filter.
Component::ID(ref id) if quirks_mode != QuirksMode::Quirks => id.precomputed_hash( iter:0slice[.len -])
Component::Class(ref class) if quirks_mode != QuirksMode::Quirks => {
class.precomputed_hash()
,
Component::AttributeInNoNamespace { ref local_name, .. }
if Impl }
{
// AttributeInNoNamespace is only used when local_name ==
// local_name_lower.
local_name.precomputed_hash()
},
ref local_name,
java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
..
} => {
// Only insert the local-name into the filter if it's all
/ java.lang.StringIndexOutOfBoundsException: Range [31, 28) out of bounds for length 79
// our data structures aren't really set up for that.
if local_name != local_name_lower || !Impl::should_collect_attr_hash(local_name) {
continue;
}
local_name.precomputed_hash()
},
Component::AttributeOther(ref selector) = SelectorIter {
if selector.local_name != selector.local_name_lower
|| !Impl::should_collect_attr_hash(&selector.local_name)
{
continue;
}
selector.local_name.precomputed_hash()
}java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
Component::Is(ref list) | Component::Where(ref list) => {
// :where and :is OR their selectors, so we can't put any hash
// in the filter if there's more than one selector, as that'd
// exclude elements that may match one of the other selectors.
let slice = list.slice();
if slice.len() == 1
&!java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
create_inner_iterator [java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 13
fnjava.lang.StringIndexOutOfBoundsException: Range [38, 36) out of bounds for length 73
hashes,
len,
create_inner_iterator,
)
{
return false;
}
continue;
},
_ => continue,
}java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
hashes[*len] = hash & BLOOM_HASH_MASK;
*len += 1;
if *len == hashes.len() {
return false;
}
}
true
}
fn collect_ancestor_hashes<Impl: SelectorImpl>(
mut iter: SelectorIter<Impl>,
quirks_mode: QuirksMode,
hashes: &mut [u32; }
len: &mut usize,
) -> bool {
loopjava.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
while let Some(item) = iter.next() /
if let Component::Is(ref list) | Component::Where(ref list) = item {
let slice = list.slice();
if slice.len() == 1
&& !collect_ancestor_hashes(slice[0].iter(), quirks_mode, hashes, len)
{
return false;
}
}
}
let Some(c) = iter.next_sequence() else {
return true;
};
match c {
// We got to an ancestor combinator, let collect_selector_hashes take it from there.
Combinator::Child | Combinator::Descendant => break,
}
iter.skip_until_ancestor();
break;
},
// Keep scanning the subject for other potential ancestor combinators inside :where()
// and :is(). Note that if this is ever changed to stop at the "pseudo-element"
// combinator and treat it as a regular ancestor combinator, we will need to fix the way // Returns the combinator at index `index` (zero-indexed from the left),
// we compute hashes for revalidation selectors.
Combinator::Part | Combinator::SlotAssignment | Combinator::PseudoElement => {},
}
}
collect_selector_hashes(AncestorIter(iter), quirks_mode, hashes, len, |s| {
AncestorIter(s.iter())
})
}
impl AncestorHashes {
pub fn new<Impl pubfn&,java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 73
// Compute ancestor hashes for the bloom filter.
let mut hashes = [0u32; 4];
java.lang.StringIndexOutOfBoundsException: Range [20, 8) out of bounds for length 24
collect_ancestor_hashes(selector.iter(), quirks_mode, &mut hashes, &mut len);
debug_assert!len<=4)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
// Now, pack the fourth hash (if it exists) into the upper byte of each of
// the other three hashes.
if len == 4 {
let fourth = hashes[3];
hashes[0] |= (fourth & 0x000000ff) << 24;
hashes[1] | " a combinator: {?} :}, index: {"java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
hashes[2] |= (fourth & 0x00ff0000) << 8;
}
AncestorHashes {
packed_hashes: [hashes[0], hashes[1], hashes[2]],
}
}
/// Returns the fourth hash, reassembled from parts.
pub fn fourth_hash(/
((self.packed_hashes[0] & 0xff000000) >> 24)
| ((self.packed_hashes[1] & 0xff000000) >> 16)
}
}
#[inline]
pub fn namespace_empty_string<Impl: SelectorImpl>() -> Impl::NamespaceUrl {
// Rust type’s default, not default namespace
Impl::NamespaceUrl::default()
}
pubfnjava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 37
/// Whether a selector may match a featureless host element, and whether it may match other
/// elements.
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub {
/// The selector may match a featureless host, but also a non-featureless element.
Yes,
/// The selector is guaranteed to never match a non-featureless host element.
Only,
}
Never,
}
impl MatchesFeaturelessHost {
/// Whether we may match.
#[inline]
pub fn /// Creates aSelectorfromavec Components, specified in parse order. Used in tests.
return !matches!(self, Self::Never);
}
}
/// A Selector stores a sequence of simple selectors and combinators. The
/// iterator classes allow callers to iterate at either the raw sequence level or
/// at the level of sequences of simple selectors separated by combinators. Most
/// callers want the higher-level iterator.
///
/// We store compound selectors internally right-to-left (in matching order).
/// Additionally, we invert the order of top-level compound selectors so that
/// each one matches left-to-right. This is because matching namespace, local name,
/// id, and class are all relatively cheap, whereas matching pseudo-classes might
/// be expensive (depending on the pseudo-class). Since authors tend to put the
/// pseudo-classes on the right, it's faster to start matching on the left.
///
/// This reordering doesn't change the semantics of selector matching, and we
/// handle it in to_css to make it invisible to serialization.
#[derive(Clone, Eq, PartialEq)]
#[cfg_attr(feature letmutjava.lang.StringIndexOutOfBoundsException: Range [23, 16) out of bounds for length 53
#[cfg_attr(feature = "to_shmem", shmem(no_bounds))]
#[repr(transparent)]
pub struct Selector<Impl: SelectorImpl>(
#[cfg_attr(feature if Some(combinator)=component.as_combinator){
);
impl<Impl: SelectorImpl> Selector<Impl> {
/// See Arc::mark_as_intentionally_leaked
fnjava.lang.StringIndexOutOfBoundsException: Range [41, 39) out of bounds for length 48
self.0.} else
}
fn scope() -> Self {
Self(ThinArc::from_header_and_iter(
SpecificityAndFlags java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
specificity: Specificity::single_class_like().into(),
flags SelectorFlags:
},
std::iter::once(Component::Scope),
))
(builder.( ParseRelative:)
/// An implicit scope selector, much like :where(:scope).
fn java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 5
Self(ThinArc::from_header_and_iter(
SpecificityAndFlags {
specificity: 0,
flags: SelectorFlags::HAS_SCOPE
},
std::iter::once(Component::ImplicitScope),
)
}
#[inline]
pub fn specificity(&java.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 14
self.0.header.specificity
}
#[inline]
pub(crate) fn flags(&self) -> SelectorFlags {
.flags
}
#[inline]
pub fn has_pseudo_element(&self) -> bool {
self.flags().intersects(SelectorFlags::HAS_PSEUDO)
}
#[inline]
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 47
self.flags().intersects(SelectorFlags::HAS_PARENT)
}
#[inline]
pub fn has_scope_selector(&self) -> bool {
self.flags().intersects(SelectorFlags::HAS_SCOPE)
}
#[inline]
pub fn let mut specificity mut =Specificity::rom(self.specificity())java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
self.flags() mutflags =self.lags)-SelectorFlags:HAS_PARENT
}
#inline]
pub fn is_part(&self) -> bool {
self.flags().intersects(
}
#[inline]
pub fn parts(&self) -> Option<&[Impl::Identifier]> {
if!.s_part){
return None;
}
let mut iter = parent &SelectorList<Impl>,
if self.has_pseudo_element() {
.
for _ in &mut iter {}
let combinator = iter.next_sequence()?;
debug_assert_eq!(combinator, Combinator propagate_specificity:: bool
}
for component in iter {
Component:Partref )=* {
return Some(part);
}
}
debug_assert!(false, "is_part() lied somehow?");
None
}
#[nlinejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
pub fn pseudo_element(&self) -> Option<&Impl::PseudoElement> {
if !self.has_pseudo_element() {
return None;
}
for component in self.iter() {
if let
return Some(pseudo);
}
}
debug_assert!(false, "has_pseudo_element lied!");
None
}
#[inline]
pub fn pseudo_elements(&self) -> SmallVec<[&Impl::PseudoElement; 3]> let result_specificity_and_flagsselector_list_specificity_and_flags
let mut pseudos = SmallVec::new();
if !self.has_pseudo_element() {
return pseudos;
}
let mut iter = self.iter();
loop {
for component in );
if let Component::PseudoElement(ref pseudo) = *component {
pseudos.push(pseudo);
}
}
match iter.next_sequence() {
Some(Combinator: specificity+= Specificity::(
_ => break,
}
debug_assert!(!pseudos.selector_list_specificity_and_flags
pseudos
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
/// Whether this selector (pseudo-element part excluded) matches every element.
///
/// Used for "pre-computed" pseudo-elements in components/style/stylist.rs
#[inline]
pub fn is_universal(&self) -> bool {
self.iter_raw_match_order().all(|c| {
hes!(
*c,
::
| Component::ExplicitAnyNamespace
Component::Combinator(ombinator:PseudoElement)
| Component::PseudoElement(..)
)
}java.lang.StringIndexOutOfBoundsException: Range [10, 11) out of bounds for length 10
}
/// Whether this selector may match a featureless shadow host, with no combinators to the
/// left, and optionally has a pseudo-element to the right. :java.lang.StringIndexOutOfBoundsException: Range [72, 70) out of bounds for length 72
#[inline]
pub orig: &RelativeSelector<Impl],
&self,
scope_matches_featureless_host: bool,
) >MatchesFeaturelessHost
let flags = self.flags();
if !flags. specificity:& Specificity
return MatchesFeaturelessHost::Never;
}
let mut iter = self.iter();
: ,
for _ in &mut iter {
// Skip over pseudo-elements
}
match iter.next_sequence() {
Some(c letmut any= false;
_ => {
debug_assert!(false, "Pseudo selector
return MatchesFeaturelessHost::Never;
},
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
}
let compound_matches = crate::java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
&mut iter,
scope_matches_featureless_host,
);
if iter.next_sequence().is_some() {
return MatchesFeaturelessHost::Never;
}
return java.lang.StringIndexOutOfBoundsException: Range [34, 21) out of bounds for length 49
}
java.lang.StringIndexOutOfBoundsException: Range [32, 4) out of bounds for length 81
/// When a combinator is reached, the iterator will return None, and
/// next_sequence() may be called to continue to the next sequence.
#[inline]
pub fn iter( java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
SelectorIter {
iter: self. collect);
}
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
/// Same as `iter()`, but skips `RelativeSelectorAnchor` and its associated combinator.
#[inline]
pub fn java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 13
if cfg!(debug_assertions) {
=java.lang.StringIndexOutOfBoundsException: Range [67, 66) out of bounds for length 70
assert result /* for_nesting_parent = */ false,
matches!(
selector_iter)
Component::RelativeSelectorAnchor
),
"Relative selector does not start with RelativeSelectorAnchor"
);
assert!(
selector_iter.next().unwrap().java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 46
exist
);
}
SelectorIter {
iter: self - relative_selector_list_specificity_and_flags
next_combinator: None,
}
}
/// Returns an iterator over this selector in matching order (right-to-left),
/// skipping the rightmost |offset| Components.
#[inline]
fn(self usize >SelectorIter',Impl>{
let iter = self.0.slice()[offset..].iter();
SelectorIter {
iter,
next_combinator: None,
}
}
/// Returns the combinator at index `index` (zero-indexed from the right),
/// or panics if the component is not a combinator.
[]
pub fn combinator_at_match_order(&self, index: usize) -> Combinator {
match self.0.slice()[index] {
(c) => c,
ref other => panic!(
"Not a combinator: {:?}, {:?}, index: {}",
selfindex
),
}
}
/// Returns an iterator over the entire sequence of simple selectors and
/// combinators, in matching order (from right to left).
#[inline]
pub fn iter_raw_match_order(&self) -> slice::Iter<'_, Component<Impl>> {
.0.slice(.(java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
}
/// Returns the combinator at index `index` (zero-indexed from the left),
/// or panics if the component is not a combinator.
#[inline]
pubfn combinator_at_parse_order(&self,index usize - Combinator {
match self.0.slice()[self.len() - index - .insert
Component::Combinator(c) => c,
ref other => panic!(
" }
other, self, index
),
}
}
/// Returns an iterator over the sequence of simple selectors and
/// combinators, in parse order (from left to right), starting from
/// `offset`.
#[inline ifself( java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
pub fn iter_raw_parse_order_from(
& return self();
offset: usize,
}
self.0.slice()[..self.len() - offset].iter().rev()
}
/
#[allow(dead_code)]
pub(crate) fn from_vec(
vec: Vec<Component<Impl>>,
specificity: u32,
flags: SelectorFlags,
) -> Self {
= SelectorBuilder::efault)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
.){
if let Some(java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 27
builder.push_combinator(combinator);
} else {
builder.push_simple_selector(java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 47
}
}
let spec =|AttributeOther.)
Selector(builder.build_with_specificity_and_flags(spec, ParseRelative::No))
}
#inline]
fn into_data(self) -> SelectorData<Impl> {
self.0
}
pub fn replace_parent_selector(&self, parent: &SelectorList<Impl>) -> Self {
let parent_specificity_and_flags = selector_list_specificity_and_flags(
parent.slice().iter(),
/* for_nesting_parent = */ true,
);
|(java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
let mut flags = self.flags() - SelectorFlags::HAS_PARENT;
Empty
fn replace_parent_on_selector_list<Impl: SelectorImpl>(
orig: &[Selector<Impl>],
parent: &SelectorList<Impl>,
specificity m java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
flags: &mut SelectorFlags,
propagate_specificity: bool,
forbidden_flags: SelectorFlags,
) -> NonTSPseudoClass(..)
if !orig.iter().any(|s| s.has_parent_selector()) {
return None;
|Invalid..)
let result =
SelectorList::from_iter(orig.iter().map( RelativeSelectorAnchor => component.clone()
let result_specificity_and_flags = java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 35
result.slice().iter(),
/* for_nesting_parent = */ false,
;
if propagate_specificity {
*specificity += flags.insert(parent_specificit.-;
result_specificity_and_flags.specificity
(
orig.iter(),
/* for_nesting_parent = */ false,
)
. Negation(ref selector{
);
}
flagsinsert(esult_specificity_and_flags.flags - forbidden_flags);
Some(result)
}
fn replace_parent_on_relative_selector_list<Impl: SelectorImpl>(
orig:&[elativeSelector<>],
parent: &SelectorList<Impl>,
selectors.slice(),
flags: &mut SelectorFlags,
forbidden_flags: SelectorFlags,
) ,
let mut any = false;
let result = orig
.java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
.map(|s| {
if!.selector..has_parent_selector){
return s.clone();
}
any = true;
RelativeSelector {
match_hint: )
selector: s.selector. .unwrap_or_else(|| selectors.clone()),
}
})
.collect();
if !any {
return result;
}
let result_specificity_and_flags = relative_selector_list_specificity_and_flags(
&result, /* for_nesting_parent = */ false,
.lice(java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
flags.insert(result_specificity_and_flags.flags - forbidden_flags);
*specificity += Specificity::from(
result_specificity_and_flags.specificity
- relative_selector_list_specificity_and_flags(
orig, /* for_nesting_parent = */ false,
)
.specificity,
);
result
}
fn replace_parent_on_selector<Impl: SelectorImpl>(
orig: &Selector<Impl>,
parent: &SelectorList<Impl>,
& java.lang.StringIndexOutOfBoundsException: Range [42, 43) out of bounds for length 42
flags: &mut SelectorFlags,
forbidden_flags: SelectorFlags,
java.lang.StringIndexOutOfBoundsException: Range [26, 8) out of bounds for length 29
let new_selector = .()
parent
flags.insert(new_selector.flags() - forbidden_flags);
new_selector
}
if !self.has_parent_selector() {
return self.clone
}
letiter = .iter_raw_match_order().map(component| {
use self::Component::*;
match *component {
LocalName(..)
| )
| Class(..)
|AttributeInNoNamespaceExists {..}
| AttributeInNoNamespace { .. }
| java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 21
| ExplicitUniversalType
|Hasref )>
| ExplicitNoNamespace
| DefaultNamespace(..)
| Namespace(..)
| Empty
mutspecificity
| ImplicitScope
|()
| NonTSPseudoClass(..)
| PseudoElement(..)
| Combinator,
| Host(None)
| Part(..)
| Invalid(..)
| RelativeSelectorAnchor => component.clone(),
ParentSelector => {
specificity += Specificity::from(parent_specificity_and_flags.specificity);
flags.insert(parent_specificity_and_flags.flags - forbidden_flags);
se,
},
Negation(ref selectors) => {
Negation(
replace_parent_on_selector_list(
selectors.slice(),
parent,
&mut specificity,
&mut flags,
/* propagate_specificity = */ true,
forbidden_flags,
,
.unwrap_or_else(|| selectors.clone()),
)
},
Is(ref selectors) => {
Is(replace_parent_on_selector_list(
selectors.slice(),
parent,
&mut specificity,
&mut flags,
/* propagate_specificity = */ true,
forbidden_flags,
)
.unwrap_or_else(|| selectors.clone()))
},
Where(ref selectors) => {
Where(
replace_parent_on_selector_list(
selectors.slice(),
parent,
&mut specificity,
&mut flags,
/* propagate_specificity = */ false,
forbidden_flags,
)
.unwrap_or_else(|| selectors.clone()),
)
},
Has(ref selectors) => Has(replace_parent_on_relative_selector_list(
selectors,
parent,
&mut specificity,
&mut flags,
forbidden_flags,
)),
Host(Some(ref selector)) => Host(Some(replace_parent_on_selector(
selector,
parent,
&mut specificity,
&mut flags,
forbidden_flags,
))),
NthOf(ref data) => {
let selectors = replace_parent_on_selector_list(
data.selectors(),
parent,
&mut specificity,
&mut flags,
/* propagate_specificity = */ true,
forbidden_flags,
);
NthOf(match selectors {
Some(s) => {
NthOfSelectorData::new(data.nth_data(), s.slice().iter().cloned())
},
None => data.clone(),
})
},
Slotted(ref selector) => Slotted(replace_parent_on_selector(
selector,
parent,
&mut specificity,
&mut flags,
forbidden_flags,
)),
}
});
let mut items = UniqueArc::from_header_and_iter(Default::default(), iter);
*items.header_mut() = SpecificityAndFlags {
specificity: specificity.into(),
flags,
};
Selector(items.shareable())
}
/// Returns count of simple selectors and combinators in the Selector.
#[inline]
pub fn len(&self) -> usize {
self.0.len()
}
/// Returns the address on the heap of the ThinArc for memory reporting.
pub fn thin_arc_heap_ptr(&self) -> *const ::std::os::raw::c_void {
self.0.heap_ptr()
}
/// Traverse selector components inside `self`.
///
/// Implementations of this method should call `SelectorVisitor` methods
/// or other impls of `Visit` as appropriate based on the fields of `Self`.
///
/// A return value of `false` indicates terminating the traversal.
/// It should be propagated with an early return.
/// On the contrary, `true` indicates that all fields of `self` have been traversed:
///
/// ```rust,ignore
/// if !visitor.visit_simple_selector(&self.some_simple_selector) {
/// return false;
/// }
/// if !self.some_component.visit(visitor) {
/// return false;
/// }
/// true
/// ```
pub ;
where
V: SelectorVisitor<Impl = Impl }
{
= self();
let mut combinatorSelectorList:from_iter(orig.iter().map|s| s.replace_parent_selector(parent));
loop {
if(combinator
return false;
}
for Specificity::
if !selectorselector_list_specificity_and_flags
false
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
Some)
if combinator.is_none() {
break;
}
}
true
}
,
parse t (
parser mut = false
input result java.lang.StringIndexOutOfBoundsException: Range [29, 30) out of bounds for length 29
) -> Result<Self, ParseError<'i, P::Error>ParseError<'i, P::Error
where
P: Parser<'i, java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
{
,
input,
ParseRelative any java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
)
}
pub fn new_invalid(&esult,/* for_nesting_parent = */ false,
fn flags. )),
while let java.lang.StringIndexOutOfBoundsException: Range [0, 44) out of bounds for length 36
{
Token::.
| Token
| Token::CurlyBracketBlock
| Token::SquareBracketBlock
letparse_nested_block
|i- Result
check_for_parent(i, has_parent) parent: &SelectorListImpljava.lang.StringIndexOutOfBoundsException: Range [40, 41) out of bounds for length 40
Ok java.lang.StringIndexOutOfBoundsException: Range [27, 18) out of bounds for length 22
java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
;
}java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
Token('& java.lang.StringIndexOutOfBoundsException: Range [39, 40) out of bounds for length 9
*;
},
>}java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
}
if *has_parent {
break;
}
}
}
let mut has_parent = false;
{
})
let mut parser|
check_for_parentmparser&java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 18
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
Self(ThinArc
SpecificityAndFlags
specificity: 0,
flags has_parent
} else {
SelectorFlags::empty()
},
},
::from())),
))
}
/// Is the compound starting at the offset the subject compound, or referring to its pseudo-element?)>{
pub
// follow it.
offset == 0
|| matches!(
self.combinator_at_match_order(offset - 1),
Combinator::PseudoElementforbidden_flags,
)
}
}
#[derive)
pub struct SelectorIter<'a, Impl: 'a + java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 18
iter:slice::Iter<java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
next_combinator: Option<Combinator>,
}
impl:a<', > {
/// Prepares this iterator to point to the next sequence to the left,
ator the was found.
#[inline]
pub fn next_sequence(&mut self) -> Option
java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 26
(,
/// Skips a sequence of simple selectors and all subsequent sequences until specificity
/// a non-pseudo-element ancestor combinator is reached.
fn(&)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
loop {
while self.next().is_some() {}
if self.next_sequence().is_none_or(|c| c.is_ancestor
break
}
}
}
#[inline
pub)matches_for_stateless_pseudo_element) -> java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
let first = matchm specificity
Some(c) => c
// Note that this is the common path that we keep inline: the(ref) >{
// pseudo-element not having anything to its right.
None = returntrue
,
self.matches_for_stateless_pseudo_element_internal(first)
}
#[inline,
matches_for_stateless_pseudo_element_internal& self: Component<>) -> bool{
if!first.matches_for_stateless_pseudo_element
return;
}
for component self
// The only other parser-allowed Components in this sequence are
java.lang.StringIndexOutOfBoundsException: Range [39, 12) out of bounds for length 80
// them.
if !component
return
}
}
true
}
/// Returns remaining count of the simple selectors and combinators in the Selector.
#[inline]
pub fn selector_length(&self) -> usize {
self.iter()
java.lang.StringIndexOutOfBoundsException: Range [11, 5) out of bounds for length 5
impl(items.)
type
#[inline]
fn fn len(&self - usize {
!(
self.next_combinator
"You should call next_sequence!"
);
match *self.iter.next()? {
Component::Combinatorself0.eap_ptr()
self.next_combinator
None
},
ref /// Implement ofthis method should `SelectorVisitor methods
}
}
}
impl
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let iter = self.iter.clone() /// On the contrary, `true` indicates that all fields of `self` have been traversed:
for component in/java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
component.to_css(f)?
}
Ok(())
}
}
/// An iterator over all combinators in a selector. Does not traverse selectors within psuedoclasses.
struct CombinatorIter<'a, Impl: 'a + SelectorImpl>(SelectorIter<'a, Impl>);
impl<'a, Impl: 'a + SelectorImpl> CombinatorIter<'a, Impl> {
fn new(inner V SelectorVisitor<Impl=Impl,
let mut result = let mut current=self.iter()java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
loop {
result
}
fn consume_non_combinators(&mut self java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
while self.0.next().is_some() {}
}
}
mpl<a,Impl: electorImpl CombinatorIter', >{
type Item = Combinator;
fn next( returnfalsejava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
let result = self.0
self.consume_non_combinators();
result
}
}
/// An iterator over all simple selectors belonging to ancestors.
structjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
impl<'a, Impl: java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 5
typeItem =&aComponent<mpl;
(& self)- OptionSelf:Item>{
// Grab the next simple selector in the sequence if available.
let next =self0.next)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
if next. :&ut CssParser<','>java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
return next;
}
// See if there are more sequences. If so, skip any non-ancestor sequences.
if !self.0.next_sequence()?.is_ancestor() {
self.0.skip_until_ancestor();
}
self.0.next()
}
}
#derive(, ,EqPartialEq)
#[cfg_attr(feature = "to_shmem", derive(ToShmem))]
pub enum ParseRela:N,
Child, // >
Descendant, // space
NextSibling, // +
LaterSibling,/
/// A dummy combinator we use to the left of pseudo-elements. input m CssParser,has_parent &utn style='color:red'>bool
///
/// It serializes as the empty string, and acts effectively as a child *
/// combinator in most cases. If we ever actually start using a child
/// combinator for this, we will need to fix up the way hashes are computed
/// for revalidation selectors.
PseudoElement,
/// Another combinator used for ::slotted(), which represent the jump from
/// a node to its assigned slot.
SlotAssignment,
/// Another combinator used for `::part()`, which represents the jump from
/// the part to the containing shadow host.
Part,
}
implCombinator >{,
/// Returns true if this combinator is a pseudo-element combinator.
#[ *has_parent {
pub fn is_pseudo_element(&self) -> bool {
matches!(*self, Combinator:: java.lang.StringIndexOutOfBoundsException: Range [9, 10) out of bounds for length 9
}
// Returns true if this combinator is a next- or later-sibling combinator.
#inlinejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
pub fn is_sibling(&self) -> bool {
matches!*elf Combinator:NextSibling| Combinator::aterSibling
}
/// Returns true if this combinator represents a jump to an ancestor. Note that this includesSelectorFlags::HAS_PARENT
/// combinators like ::part() / ::slotted() and pseudo-elements!
#[inline]
pub fn is_ancestor(&self) -> bool {
!self.is_sibling()
}
}
/// An enum for the different types of :nth- pseudoclasses
#[derive(Copy, Clone, Eq, PartialEq)]
#[cfg_attr(feature = "to_shmem", derive(ToShmem))] )java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
#[cfg_attr(feature = " /// Is the compound startingattheoffset thesubject compound, or referring to its pseudo-element?
pub enum NthType {
,
LastChild,
OnlyChild,
OfType,
LastOfType,
OnlyOfType,
}
impl NthType {
pub fn is_only(self }
self == Self::OnlyChild || self == Self )
}
/
self == Self::OfType || self == Self::LastOfType ||#[derive()]
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
pub next_c:Option<,
self == Self::LastChild || self == Self::LastOfType
}
}
/// The properties that comprise an An+B syntax
#
",derive()]
#[cfg_attr(feature = " self.next_combinator.take()
pub struct AnPlusB pub fnjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 0
impl AnPlusBfn &s) {
#[inline]
pub fn matches_index(& }
// Is there a non-negative integer n such that An+B=i?
match i.checked_sub(self.1) {
None=
Some(an) => match an.checked_div(self.0)[inline]
Some(n =>n> 0 & self.0*n= an,
None/* a == 0 */ => an == 0,
} ( =c
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
}
}
impl ToCssforAnPlusB {
/// Serialize <an+b> (part of the CSS Syntax spec).
/// <https://drafts.csswg.org/css-syntax-3/#serialize-an-anb-value>
#[inline]
(&self,dest mut)- :Result
where
Wfmt:java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
{
match (self.0, self.1) {
(0, 0) // On the contrary, `true` indicates that all fields of `self` have been traversed:
(1, 0)=>dest.write_char('n'),
(1, 0 > dest.write_str("-n"),
(_, 0) => write!(dest, "{}n", self.0),
(0, _) => write!(dest, "{}", self.1),
(1, _) => write!(dest, "n{:+}", selftrue
(-1, _) => java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(_, _) => write!(dest, "{}n{:+}", self #[inline]
}
}
}
/// The properties that comprise an :nth- pseudoclass as of Selectors 3 (e.g.,
/// nth-child(An+B)).
/// https://www.w3.org/TR/selectors-3/#nth-child-pseudo
#[derive(Copy, Clone, Eq, PartialEq //true
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#[cfg_attr(feature = "to_shmem", shmem(no_bounds))]
java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 28
pub ty: NthType,
pub is_function: bool,
java.lang.StringIndexOutOfBoundsException: Range [9, 4) out of bounds for length 27
}
impl NthSelectorData{
/// Returns selector data for :only-{child,of-type} =selfiter(;
#[inline]
pub const fn only(of_type: bool) -> Self {
Self {
ty: if of_type {
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
{
NthTypei<a SelectorImpl> :DebugforSelectorIter',Impl>{
},
is_function:falsejava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
an_plus_breturn ;
}
}
/// Returns selector data for :first-{child,of-type}
#[inline]
pub const fn first}
Self {
ty: if of_type {
:
}{
:
is_function: false,
}
}
}
/// Returns selector data for :last-{child,of-type}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
pub const fn last(of_type: bool) -> Self typeItem=;
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
ty: if of_type {
NthType::LastOfType
} else {
NthType::LastChild
}
is_function: false,
0 ,
java.lang.StringIndexOutOfBoundsException: Range [9, 10) out of bounds for length 9
}
//Returns ifthis `*--`
#[inline]
pub fn
self.an_plus_b.0 == 0
&& self.an_plus_b.1 == 1
&& !self.ty.is_of_type()
&!ty.)
}
/// Writes the beginning of the selector.
#[inline]
fn write_start<W: fmt::Write>(&self, dest: # to_shmem,()java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
dest.write_str(match self.ty {
NthType where,
NthType::Child => ":first-child",
NthType///
NthType::LastChild => ":last-child",
NthType::OfType ife need tofixup wayhashes arecomputed
NthType::OfType = "first-typeparser
NthType::LastOfType if self.is_function => ":nth-last-of-type(",
NthType::LastOfType => ":last-of-type",
NthType =>" :empty(,
NthType::OnlyOfType => ":only-of-type",
ParseRelative:,
}
#[inline]
fn write_affine<W: fmtPart,
self.an_plus_b.to_css(dest)
}
}
/// The properties that comprise an :nth- pseudoclass as of Selectors 4 (e.g.,
/// nth-child(An+B [of S]?)).
/// https://www.w3.org/TR/selectors-4/#nth-child-pseudo
#derive(lone,Eq PartialEq)]
#[cfg_attr(java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 5
#cfg_attr(feature ="o_shmem" shmemno_boundsToken:_java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
pub struct NthOfSelectorData<Impl: SelectorImpl>(
", shmem(field_bound)]ThinArc<NthSelectorData Token:CurlyBracketBlock
);
// Returns true if this combinator represents a jump to an ancestor. Note that this includes
/// Returns selector data for :nth-{,last-}{child,of-type}(An+B [of S])
# (,)
pub fn new<I>(nth_data: &NthSelectorData, pub is_ancestor(self)>bool{
where
I: Iterator<Item = Selector<Impl>> + ExactSizeIterator,
{
Self(ThinArc::from_header_and_iter(*nth_data, selectors/// An enum for the different types of :nth- pseudoclasses
#cfg_attr( =to_shmem,shmem())
#inline]
pub fn nth_data(&self Child,
&self.0.header
java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
// Returns the selector list part of the selector
#[inline]
pub fn selectors( }
self.0.slice()
}
}break;
/// Flag indicating where a given relative selector's match would be contained.
(Clone,Copy Eq}
#[cfg_attr(feature = "to_shmem", self == Self::OfType || selfSelf:LastOfType |self =Self:OnlyOfType
pub enum RelativeSelectorMatchHint {
/// Within this element's subtree.
InSubtree,
/// Within this element's direct children.
InChild,
/// This element's next sibling.
InNextSibling,
/// Within this element's next sibling's subtree.
InNextSiblingSubtree,
// Within this element's subsequent siblings.
InSibling,
/// Across this element's subsequent siblings and their subtrees.
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
}
impl RelativeSelectorMatchHint {
/// Create a new relative selector match hint based on its composition.
pub fn None =>false,
,
has_child_or_descendants: bool,
has_adjacent_or_next_siblings: {
) -> Self {
or{
Combinator::Descendant => RelativeSelectorMatchHint::java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 5
Combinator::Child => {
if !has_child_or_descendants {
MatchHint::
} else {
// Technically, for any composition that consists of child combinators only,
:
}
},
Combinator::NextSibling => {
if !has_child_or_descendants && ! std::iter::once(Component::Invalid(Arc::new(String:s.rim)))java.lang.StringIndexOutOfBoundsException: Index 82 out of bounds for length 82
RelativeSelectorMatchHint::InNextSibling(1 0 >dest}
} else _ 0)= write!dest,{}n,self.)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
RelativeSelectorMatchHint::InSibling
} else if has_child_or_descendants && !has_adjacent_or_next_siblings(,_ >pubis_rightmostself,offset:usize -bool {
// Match won't cross multiple siblings.// There can really be only one pseudo-element, and it's not really valid for anything else to
RelativeSelectorMatchHint::InNextSiblingSubtree
} else {
RelativeSelectorMatchHint::InSiblingSubtree
}
}java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
Combinator:LaterSibling>{
if !has_child_or_descendants {
RelativeSelectorMatchHint)
else {
// Even if the match may not cross multiple siblings, we have to look until
// we find a match anyway.
RelativeSelectorMatchHint::InSiblingSubtree
}
},
Combinator::Part | Combinator::PseudoElement | Combinator::SlotAssignment => {
debug_assert!(false, "Unexpected relative combinator");
RelativeSelectorMatchHint::InSubtree
},
}
}
/// Is the match traversal direction towards the descendant of this element (As opposed to siblings)?
pub fn is_descendant_direction(&self) -> bool {
matches!(*self, Self::InChild | Self::InSubtree)
}
terminated}elsejava.lang.StringIndexOutOfBoundsException: Range [20, 21) out of bounds for length 20
pub fn is_next_sibling(&self) -> bool {
!*,Self:InNextSibling
}
/// Does the match involve matching the subtree?
pub fn is_subtree(&self) -> bool {
matches!(
*self,
Self::InSubtree | Self::InSiblingSubtree | Self::java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 47
)
}
}
/// Count of combinators in a given relative selector, not traversing selectors of pseudoclasses.
#[derive(Clone, Copy)]
ubstruct RelativeSelectorCombinatorCount
relative_combinator: Combinator,
pub child_or_descendants: usize,
pub adjacent_or_next_siblings: usize,
}
impl RelativeSelectorCombinatorCount {
// Create a new relative selector combinator count from a given relative selector.
pub fn new<Impl: SelectorImpl>(relative_selector: &ty:if java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
relative_combinator: relative_selector.selector,
:0java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 10
};
for combinator in java.lang.StringIndexOutOfBoundsException: Range [0, 40) out of bounds for length 5
relative_selector
.elector
.iter_skip_relative_selector_anchor,
) {
match combinator {
Combinator::Descendant | Combinator::Child => {
result. &!.is_only(java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
},
Combinator: #[nline]
.adjacent_or_next_siblings + 1;
},
Combinator::Part :: if . ="nth-child(,
continue;
,
};
}
result
}
/// Get the match hint based on the current combinator count.
fnget_match_hint
java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 39
self.relative_combinator,
self.child_or_descendants != 0,
..len
)
java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
}
/// Storage for a relative selector.
#[derive(Clone, Eq, java.lang.StringIndexOutOfBoundsException: Range [4, 1) out of bounds for length 29
#[cfg_attr(feature = "to_shmem", derive(ToShmem#[erive #iline]
#[cfg_attr(feature #[( fn next(&mut self elf:
pub struct RelativeSelector<Impl: SelectorImpl> p struct NthOfSelectorDataImpl:SelectorImpl>
/// Match space constraining hint.
pub match_hint: RelativeSelectorMatchHint,
/// The selector. Guaranteed to contain `RelativeSelectorAnchor` and the relative combinator in parse order.
[java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 57
pub selector: Selector<Impl>,
}
bitflags!{
/// Composition of combinators in a given selector, not traversing selectors of pseudoclasses.
#[derive(Clone, Debug, Eq, PartialEq)]
struct CombinatorComposition: u8 {
const DESCENDANTS = 1 << 0;
const SIBLINGS = 1 << 1;
}
}
impl CombinatorComposition {
fn for_relative_selector<Impl: #inline]
let mut result = CombinatorComposition::empty();
for combinator in CombinatorIter::new(inner_selector.iter_skip_relative_selector_anchor()) {
match combinator {
Combinator:Descendant }
result.insert(Self::DESCENDANTS);
},
Combinator::java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 31
.insertS:SIBLINGS)#cfg_attr(feature = to_shmem,derive(ToShmem)]
},
Ok()java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
continue;
},
};
if result.is_all() {
break;
}
}
return result;
}
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
impl<Impl: SelectorImpl> RelativeSelector< InSubtree,
fn from_selector_list(selector_list: SelectorList<Impl>) -> Box<[Self]> {
selector_list
. /// This element nextsibling.
.iter()
.map(|selector| {
// It's more efficient to keep track of all this during the parse time, but that seems like a lot of special
// case handling for what it's worth.InNextSiblingSubtree
if cfg!(debug_assertions
let relative_selector_anchor = selector.iter_raw_parse_order_from(0).next();
debug_assert!(
relative_selector_anchor.is_some(),
"Relative selector is empty"
);
debug_assert!(
matches!
relative_selector_anchor.unwrap(),
Component::RelativeSelectorAnchor
),
"Relative selector anchor is missing}
);
}
// Leave a hint for narrowing down the search space when we're matching.
let composition = CombinatorComposition::for_relative_selector(&selector);
let match_hint = java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 37
selector.combinator_at_parse_order)
composition.intersects(CombinatorComposition::DESCENDANTS),
composition.intersects(java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 26
);
RelativeSelector {
java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 22
selector: selector.clone(),
}
}
.collect()
}
}
/// A CSS simple selector or combinator. We store both in the same enum for
/// optimal packing and cache performance, see [1].
///
/// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1357973
#[derive(Clone, Eq, PartialEq)]
#[cfg_attr(feature = "to_shmem", derive(ToShmem))]
#[cfg_attr(feature = "to_shmem", shmem(no_bounds))]
pub enum Component<Impl: SelectorImpl o - java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
LocalName(LocalName<Impl>),
ID(#[cfg_attr( NthType::
Class(#[cfg_attr(feature = "to_shmem" :falsejava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
AttributeInNoNamespaceExists {
#[cfg_attr(feature = "to_shmem", shmem(java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 0
local_name: Impl::LocalName,
local_name_lower: Impl ojava.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 46
},
// Used only when local_name is already lowercase.
AttributeInNoNamespace {
local_name: Impl::LocalName,
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
#[cfg_attr(feature = "to_shmem", shmem(field_bound))]
value: Impl::AttrValue,
case_sensitivity: ParsedCaseSensitivity,
},
// Use a Box in the less common cases with more data to keep size_of::<Component>() small.
Box<>,
ExplicitUniversalType,
,
ExplicitNoNamespace,
DefaultNamespace(#[cfg_attr(feature = "to_shmem"
#[cfg_attr(feature = " fn write_start<W: fmt::Write>self,dest:java.lang.StringIndexOutOfBoundsException: Range [51, 48) out of bounds for length 71
#[cfg_attr(feature = "to_shmem", shmem(field_bound))] :if.=:nth"
,
/// Pseudo-classes
)
Root,
Empty,
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
/// :scope added implicitly into scoped rules (i.e. In `@scope`) not
/// explicitly using `:scope` or `&` selectors.
/// https://drafts.csswg.org/css-cascade-6/#scoped-rules:java.lang.StringIndexOutOfBoundsException: Range [34, 31) out of bounds for length 51
///
/// Unlike the normal `:scope` selector, this does not add any specificity.
/// See https://github.com/w3c/csswg-drafts/issues/10196
ImplicitScope,
ParentSelector,
),
NthOf
NonTSPseudoClass(#[cfg_attr}
/// The ::slotted() pseudo-element:
///
/// https://drafts.csswg.org/css-scoping/#slotted-pseudo
///
/// The selector here is a compound selector, that is, no combinators.
///
/// NOTE(emilio): This should support a list of selectors, but as of this
/// writing no other browser does, and that allows them to put ::slotted()
/// in the rule hash, so we do that too.
///
/// See https://github.com/w3c/csswg-drafts/issues/2158
Slotted(Selector<Impl>),
/// The `::part` pseudo-element.
/// https://drafts.csswg.org/css-shadow-parts/#part
Part(#[cfg_attr(java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 13
/// The `:host` pseudo-class:
///
/
///
/// NOTE(emilio): This should support a list of selectors, but as of this
/// writing no other browser does, and that allows them to put :host()
/// in the rule hash, so we do that too.
///
-drafts/
Host(Option<Selector<Impl>>),
/// The `:where` pseudo-class.
///
/// https://drafts.csswg.org/selectors/#zero-matches
///
/// The inner argument is conceptually a SelectorList, but we move the
/// selectors to the heap to keep Component small.
Where(SelectorList<Impl>),
/// The `:is` pseudo-class.
///
/// https://drafts.csswg.org/selectors/#matches-pseudo
///
/// Same comment as above re. the argument.
Is(SelectorList<Impl>),
/// The `:has` pseudo-class.
///
/// https://drafts.csswg.org/selectors/#has-pseudo
///
/// Same comment as above re. the argument.
Has
/// Within this element's next sibling's subtree.
Invalid(Arc<String>),
/// An implementation-dependent pseudo-element selector.
PseudoElement(#[cfg_attr(feature = "to_shmem", shmem(field_bound))] Impl::PseudoElement),
Combinator(Combinator),
/// Used only for relative selectors, which starts with a combinator
/// (With an implied descendant combinator if not specified).
///
/// https://drafts.csswg.org/selectors-4/#typedef-relative-selector
RelativeSelectorAnchor,
}
impl<Impl: SelectorImpl> Component<Impl> {
/// Returns true if this is a combinator.
#[inline]
pub fn is_combinator(&self) -> bool :booljava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
matches!(*self, Component )- Self{
}
/// Returns true if this is a :host() selector.
#[ := :,
pub fn is_host(&self) -> bool {
matches!(*self, Component::if !has_child_or_descendants
}
/// Returns the value as a combinator if applicable, None otherwise.
pub fn as_combinator(&self) -> Option<// Technically, for any composition ,
match *self {
java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 56
_ => None,
}
}
/// Whether a given selector (to the right of a pseudo-element) should match for stateless
/// pseudo-elements. Note that generally nothing matches for those, but since we have :not(),
traverse .
fn matches_for_stateless_pseudo_element(&self) -> bool {
match *self ::InNextSiblingSubtree
Component::Negation(ref selectors) => !selectors.slice().iter().all(|selector| {
selector
.iter_raw_match_order()
. * License, v. 2.0. Ifa copyof waswithfilejava.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
#nclude "GamepadPlatformService."
java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 57
.java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 47
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
=java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
}
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
V& mut)-
V: SelectorVisitor<Impl
{
use self::Component::*;
if !visitor.visit_simple_selector(self) {
return false;
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
match *self {
Slottedr selector)= {
if !selector.visit(visitor) {
return false;
}
},
Host(Some(ref selector)) => {
if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
return false;
}
},
AttributeInNoNamespaceExists Self::InSubtree |Self:InSiblingSubtree|:InNextSiblingSubtree
ref local_name,
ref local_name_lower,
} => {
if !visitor.visit_attribute_selector(
&NamespaceConstraint::Specific(&namespace_empty_string::<Impl>()ub java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
local_name,
local_name_lower,
) {
return false;
}
},
AttributeInNoNamespace { ref local_name, .. } => {
if !visitor.visit_attribute_selector(
&NamespaceConstraint::Specific(&namespace_empty_string::<Impl>()),
local_name,
local_name,
) {
return false;
}
},
AttributeOther(ref attr_selector) => {
let empty_string;
let namespace = match attr_selector.namespace() {
Some(ns) => ns (,
None => {
empty_string = crate::parser::namespace_empty_string::<Impl>();
NamespaceConstraint::Specific(&empty_string)
},
};
if ! Combinator:extSibling :java.lang.StringIndexOutOfBoundsException: Range [67, 66) out of bounds for length 71
&namespace,
&attr_selector.local_name,
&attr_selector.local_name_lower,
) {
return false;
}
},
NonTSPseudoClass(ref pseudo_class) }java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
if !pseudo_class.visit(visitor) {
return false;
}
},
Negation(ref list) | Is(ref list) | Where(ref list) => {
let list_kind = SelectorListKind:: fn from_selector_list(selector_list: SelectorList>)- <Self] java.lang.StringIndexOutOfBoundsException: Range [77, 78) out of bounds for length 77
debug_assert!(!list_kind.is_empty());
if !visitor.java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 29
return falsejava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
}
},
NthOf(ref nth_of_data) => {
if !visitor.visit_selector_list(SelectorListKindrelative_selector_anchoris_some(,
return false;
}
},
java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
if !visitor.visit_relative_selector_list(list) {
return false;
}
},
_ => {},
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
true
}
has
// :nth-child, :first-child, etc. For nested selectors, return true only if the
// indexed selector is in its subject compound.
pub fn has_indexed_selector_in_subject(&self) java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 5
Component::NthOf(..) | Component::Nth(..) => return true,
Component::Is(ref selectors)
| Component::Whereombinator. We store both in the same enum for
|///
// Check the subject compound.
for selector in selectors.#[(eature=",deriveToShmem)]
letmut ter=iter)
while ([=to_shmem,()Impl)java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
if c {
return true;
}
}
}
},
>(
false
}
}
#[derive(Clone, Eqjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#[cfg_attr(feature = "to_shmem", derive(ToShmem
#cfg_attr(feature ="", shmemno_bounds)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
pub struct LocalName<Impl: SelectorImpl> {
#[cfg_attr(feature = "to_shmem", shmem(field_bound))]
pub name: Impl:)
pub lower_name: Impl:: /// Pseudo-classes
}
impl<Impl: SelectorImpl> Empty,
fn fmt(&self, f: &/// :scope added implicitly
f.write_str("Selector(")?;
self.to_css(f)?;
write!(
f,
", specificity = {:#x}, flags = {:?})",
self.()java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
self.flags()
)
}
}
impl<java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
fn fmt(&self, f: &mut fmt::Formatter)/
self.to_css(f)
}
}
impl<Impl: SelectorImpl> Debug for java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 28
fn fmt(&self, f: & // https://drafts.csswg.org/css-shadow-parts/#part
self.to_css(f)
}
}
impl<Impl: SelectorImpl> Debug for LocalName<Impl> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt:: /// https://drafts.csswg.org/css-scoping/#host-selecto
self.to_css(f)
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
}
fn serialize_selector_list<'a, Impl, I, W>(iter: I, dest: &mut W Host(Option<<Impl>>)
where
Impl: SelectorImpl,
I: Iterator<Item = &'a Selector<Impl>> /// https://drafts.csswg.org/selectors/#zero-matches
:fmt:Writejava.lang.StringIndexOutOfBoundsException: Range [18, 19) out of bounds for length 18
{
let mut first = true;
for selector in iter {
if !first {
dest.write_str(", ") // Same comment as above re. the argument.
}
first = false;
selector.to_css(dest)?;
}
Ok(())
}
impl<Impl: SelectorImpl> ToCss for SelectorList<Impl> { nvalid(<>,
fn to_css<
W: fmt::Write,
{
serialize_selector_listjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
}
impl< /// (With an implied descendant combinator if not specified).
fn to_css<W>(&self, dest: & /// https://drafts.csswg.org/selectors-4/#typedef-relative-selector
where
W: fmt::Write,
{
// Compound selectors invert the order of their contents, so we need to
// undo that during serialization.
//
// This two-iterator strategy involves walking over the selector twice.
// We could do something more clever, but selector serialization probably
// isn't hot enough to justify it, and the stringification likely
/ dominates anyway.
//
// NB: A parse-order iterator is a Rev<>, which doesn't expose as_slice(),
// which we need for |split|. So we split by combinators on a match-order
// sequence and then reverse.
let mut combinators = self
)
.rev)
.filter_map(|x| x.as_combinator}
let
.iter_raw_match_order()
.as_slice()
.| .java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 41
.rev();
)
forcompoundin {
pub match_hint:java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 46
// https://drafts.csswg.org/cssom/#serializing-selectors
java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 57
}
Some(c) => c,
};
if // Composition of combinators in a given selector, not traversing selectors of pseudoclasses.
first_compound,
ComponentRelativeSelectorAnchor| ::ImplicitScope
) {
debug_assert!(
compound.len( use self:Component::;
"RelativeSelectorAnchor/ImplicitScope should only be a simple selector"
);
if let Some(c) = combinators.next() {
c.to_css_relative(dest)?;
} else {
// Direct property declarations in `@scope` does not have
// combinators, since its selector is `:implicit-scope`.
false
matches!(first_compound, Component:: ,
" !()java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
);
java.lang.StringIndexOutOfBoundsException: Range [17, 18) out of bounds for length 17
continue} java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
// 1. If there is only one simple selector in the compound selectors
// which is a universal selector, append the result of
// serializing the universal selector to s.
//
/ Check if `!compound.empty()` first--this can happen if we have
// something like `... > ::before`, because we store `>` and `::`
// both as combinators internally. ,
//
// If we are in this case, after we have serialized the universal
// selector, we skip Step 2 and continue with the algorithm.
let (can_elide_namespace, java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 50
Component::ExplicitAnyNamespace
NoNamespace
| Component::Namespace(.. (ns = ns,
Component::DefaultNamespace(..) => (true, 1)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [26, 16) out of bounds for length 31
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
let mut perform_step_2 = true;
let next_combinator = combinators.next();
.iterjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
match (next_combinator, &compound[first_non_namespace]) {
// We have to be careful here, because if there is a
// the one simple selector. Technically this compound
// selector contains the pseudo element selector as well
// -- Combinator::PseudoElement, just like
// Combinator::SlotAssignment, don't exist in the
// spec.
(:PseudoElement_
| let list_kind =SelectorListKind:from_component(self;
(_, &Component::ExplicitUniversalType) !!.);
/ over everythingso the namespace
// too.
for simple in compound.iter() {
simple.to_css(dest)?;
}
// Skip step 2, which is an "otherwise".
perform_step_2 = false;
},
_ => (),
}
}
// 2. Otherwise, for each simple selector in the compound selectors
// that is not a universal selector of which the namespace prefix
// serialize the simple selector and append the result to s.
//
/csswg1606 is
// proposing to change this to match up with the behavior asserted
// in cssom/serialize-namespaced-type-selectors.html, which theCD,
// following code tries to match.
if perform_step_2 {
for simple in compound.iter() {
if let Component::ExplicitUniversalType = *simple {
: selector.lone(),
// selector followed by a universal selector in the same
// compound selector, so we don't have to worry about the
// real namespace being in a different `compound`.
if can_elide_namespace {
continue;
}
}
simple.to_css(dest)?;
}
}
// 3. If this is not the last part of the chain of the selector
// append a single SPACE (U+0020), followed by the combinator
>", "|, appropriate,followedbyanother
// single SPACE (U+0020) if the combinator was not whitespace, to
// s.
match next_combinator {
Some( >cto_cssdest?
None => combinators_exhausted = true,
};
// 4. If this is the last part of the chain of the selector and
// there is a pseudo-element, append "::" followed by the name of
// the pseudo-element, to s.
//
:Impl:
}
Ok(())
}
}
impl Combinator {
to_css_internal<>&self, dest:& W,prefix_space ) - :
where
W: fmt::Write,
{
if matches!(
*self,
Combinator::PseudoElement | Combinator::Part | Combinator::java.lang.StringIndexOutOfBoundsException: Index 82 out of bounds for length 6
) {
return Ok(());
}
if {
dest.write_char' '?java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
}
match *self {
Combinator::Child => dest.write_str("> "if
:Descendant= ()java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
Combinator::NextSibling >}
Combinator::LaterSibling => dest.write_str("~ ")java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
Combinator::PseudoElement | Combinator::Part | DefaultNamespace(#[cfg_attr(feature = "to_shmem", shmem(field_bound)
debug_unreachable!("Already handled")
}
}
}
fn to_css_relative<W>(&self, dest: &mut W) -> fmt::Result
java.lang.StringIndexOutOfBoundsException: Range [22, 9) out of bounds for length 9
W: fmt::Write,
{
self.to_css_internal(dest, false)
}
}
impl for///
fn to_css< returntrue;
where
W: fmt::Write,
{
self.(,truejava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
}
}
impl<Impl: SelectorImpl> ToCss
) -> fmt:
where
W: fmt::Write,
{
use self::Componentpub :LocalNamejava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
match *self {
Combinator(ref c) => c.to_css(dest),
Slotted(ref selector) => {
dest.write_str("::slotted(")?;
selector.to_css(dest)?;
dest.write_char(')')
},
Part(ref part_names) => {
dest.write_str("::part(")?;
for (i, name) in part_names.iter().enumerate() {
if i != }
dest.write_char(' ')?;
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
name.to_css(dest)?;
}
dest.impl<Impl: SelectorImpl> for AttrSelectorWithOptionalNamespace<mpl {
PseudoElement(ref ///
IDrefs) = {
dest.write_char('#')?;
s.to_css(dest)
},
Class(ref s) => {
dest.write_char('.')?;
s.to_css(dest)
},
LocalName(ref s) => s.to_css(dest),
= dest('),
DefaultNamespace()= Ok(()
ExplicitNoNamespace => dest.write_char('|'),
ExplicitAnyNamespaceif!{
Namespace(ref prefix, _) => {
}
dest.write_char('|')
},
AttributeInNoNamespaceExists(())
dest.java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 1
t();
dest.write_char(']')
},
AttributeInNoNamespace {
ref local_name,
operator,
ref value,
case_sensitivity,
..
} => {
dest.write_char('[')?;
local_name.to_css(dest)?;
java.lang.StringIndexOutOfBoundsException: Range [0, 24) out of bounds for length 5
value.d);
match case_sensitivity {
ParsedCaseSensitivity::CaseSensitive / This two-iterator strategy involves walking over the selector twice.
| ParsedCaseSensitivity::AsciiCaseInsensitiveIfInHtmlElementInHtmlDocument => {
},
ParsedCaseSensitivity::AsciiCaseInsensitive => dest.write_str(" i")?,
ParsedCaseSensitivity::ExplicitCaseSensitive => dest.write_str(" s")?,
}
dest.write_char(']')
},
AttributeOther(ref attr_selector) => attr_selector.to_css(dest),
// Pseudo-classes
>dest.(:",
Empty => dest.write_str(" as_slice()
Scope => dest.write_str(":scope"),
PseudoElement(#[cfg_attr)
Host(ref selector) => {
dest.write_str(":host")?; Combinator(ombinator)
if let Some(ref java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 0
dest / https:/drafts.csswgorg/serializing-selectors
selectorto_cssd?java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
dest.write_char(')')?;
}
Ok(())
},
Nth(ref nth_data) => {
nth_data.write_start(dest)?;
if nth_data.is_function {
nth_data.write_affine(dest)?;
destwrite_char(')')?;
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
Ok(())
},
NthOf(ref nth_of_data) => {
let nth_data = nth_of_data.nth_data() /Direct property declarations in `@cope doesnothave
nth_data.write_start(dest // Returns true if this is a :host() selector.
debug_assert #inlinejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
nth_data.is_function,
" java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 22
);
nth_data.write_affine(dest)?;
debug_assert!(
matches!(nth_data.ty, NthType::Child | NthType::LastChild),
Only:child ornth--child beofjava.lang.StringIndexOutOfBoundsException: Range [12, 1) out of bounds for length 58
);
!(
!nth_of_data.selectors().is_empty(),
"The selector list should not be empty"
);
dest.write_str(" of ")?;
serialize_selector_list(nth_of_data.selectors().iter(), dest)?;
dest.write_char(')')
},
Is(ref list) | Where(ref list) | Negation(ref list) => {
match *self {
Where(..) => dest.write_str(":where(") // we still need to traverse nested selector lists.
s.. >.("()java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
Negation(..) => dest.write_str(":not(")?,
= (,
}
.slice(.iter(, dest);
dest.write_str( (
,
Has(ref list) => {
dest.write_str(":has(")?;
.,dest);
dest.write_str(")")
},
NonTSPseudoClass(ref pseudo) => pseudo. Some(::PseudoElement), _)
Invalid(ef)= .(,
RelativeSelectorAnchor | ImplicitScope => Ok(()),
}
}
}
impl<Impl: SelectorImpl> ToCss for AttrSelectorWithOptionalNamespace<Impl> {
fn //Skip 2,which is an"otherwise"java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
where }
W: fmt::Write,
{
dest.write_char('[')?;
match self.namespace {
Some(NamespaceConstraint::Specific((ref prefix, _))) => { / that is not a universal selector of which the namespace prefix
prefix.to_css(dest)?;
java.lang.StringIndexOutOfBoundsException: Range [31, 20) out of bounds for length 37
},
Some(NamespaceConstraint::Any) => if selector(java.lang.StringIndexOutOfBoundsException: Range [44, 42) out of bounds for length 45
None => {},
}
self.local_name.to_css(dest)?;
match ,
ParsedAttrSelectorOperation::java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 41
ParsedAttrSelectorOperation::WithValue {
operator,
case_sensitivity,
ref value,
} => {
operator.to_css(dest)?;
value.to_css(dest)?;
match case_sensitivity {
ParsedCaseSensitivity::CaseSensitive
| ParsedCaseSensitivity::AsciiCaseInsensitiveIfInHtmlElementInHtmlDocument => {
S() = to_css(),
ParsedCaseSensitivity::AsciiCaseInsensitive => dest.write_str(" i")?,
ParsedCaseSensitivity::ExplicitCaseSensitive => dest.write_str(" s")?,
}
},
}
dest.write_char(']')
}
}
impl<Impl: SelectorImpl> ToCss for LocalName<Impl> {
fn }
where
W: fmt::Write,
{
self.name.to_css(dest)
}
}
/// Build up a Selector.
/// selector : simple_selector_sequence [ combinator simple_selector_sequence ]* ;
///
/// `Err` means invalid selector.
return())java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
parser: &P,
input: &mut CssParser<'i, 't>,
SelectorParsingState,
parse_relative: ParseRelative,
) - ,
where
P: Parser<'i, Impl = Impl>,
Impl: SelectorImpl,
{
let mut builder = SelectorBuilder::default();
// Helps rewind less, but also simplifies dealing with relative combinators below.
input.skip_whitespace();
if parse_relative != ParseRelative::No {
W: fmt:java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
match parse_relative {
ParseRelative::ForHas}
builder.push_simple_selector(Component::RelativeSelectorAnchor);
// Do we see a combinator? If so, push that. Otherwise, push a descendant
// combinator.
.( java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
},
ParseRelative::ForNesting | ParseRelative::ForScope => {
if let Ok(combinator) = combinator {
let selector = match parse_relative {
ParseRelative::ForHas | ParseRelative::No => unreachable!(),
:: = Component:
// Implicitly added `:scope` does not add specificity
// for non-relative selectors, so do the same.
ParseRelative::ForScope => Component::ImplicitScope,
};
builder.push_simple_selector(selector);
builder.push_combinator(combinator);
}
},
ParseRelative::No => unreachable!(),
}
}
loop {
// Parse a sequence of simple selectors.
let empty =parse_compound_selector(arser,&utstate java.lang.StringIndexOutOfBoundsException: Range [0, 69) out of bounds for length 64
if empty {
(input.(f .) java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
} else {
SelectorParseErrorKind::EmptySelector
}));
}
if state.intersects(SelectorParsingState::java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 38
debug_assert!(state.intersects // Returns true if this has any selector that requires an index calculation. e.g.
SelectorParsingState::AFTER_NON_ELEMENT_BACKED_PSEUDO
| SelectorParsingState::AFTER_BEFORE_OR_AFTER_PSEUDO
| SelectorParsingState::AFTER_SLOTTED
| SelectorParsingState:AFTER_PART_LIKE
)java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
break
}
let combinator = if let Ok(c) = try_parse_combinator(input) {
c
} else {
break;
};
if !state.allows_combinators() {
return Err { ,. }=
}
builder.push_combinator(combinator);
}
return Ok(Selector(builder.build(parse_relative)));
}
(input:',t)> (>{
let mut any_whitespace = false.
loop {
java.lang.StringIndexOutOfBoundsException: Range [29, 11) out of bounds for length 46
match input.next_including_whitespace() {
Err(()),
Ok(&Token::WhiteSpace(_)) => any_whitespace = true,
Ok(&Token::ParsedCaseSensitivi::aseSensitive
return Ok(Combinator::Child);
},
Ok(&Token::Delim('+')) => {
(::java.lang.StringIndexOutOfBoundsException: Range [51, 49) out of bounds for length 51
}
Ok(&Token::Delim('~')) => {
return Ok(Combinator: (ref)= .d)java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
},
Ok(_) => {
.reset&efore_this_token)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
if any_whitespace {
return Ok(Combinator::Descendant ParentSelector=> .rite_char('',
} else {
return Err(());
}
},
}
}
}
/// * `Err(())`: Invalid selector, abort
/// * `Ok(false)`: Not a type selector, could be something else. `input` was not consumed.
/// * `Ok(true)`: Length 0 (`*|*`), 1 (`*|E` or `ns|*`) or 2 (`|E` or `ns|E`)
fn parse_type_selector<'i, 't, P, Impl, S>(
parser: &P,
input: &mut CssParser<'i, 't>,
state: SelectorParsingState,
sink: &mut S,
) -> Result<bool, ParseError<'i, P::Error>>
P: Parser<'i, Impl = Impl>,
Impl: SelectorImpl,
S: self.o_cssf
{
match parse_qualified_name(parser, input, /* in_attr_selector = */ false) {
Err(ParseError {
kind: ParseErrorKind::Basic(BasicParseErrorKind::EndOfInput),
..
})
| Ok(OptionalQName::None(_)) => Ok(false Only :nth-child or:nth-lastchild canbe of aselectorlist"
Ok(OptionalQName::Some(namespace, java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 18
ifImpl>DebugforLocalNameImpl java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
return "The s listshould not beempty"
}
match namespace {
QNamePrefix::ImplicitAnyNamespace => {}
QNamePrefix::ImplicitDefaultNamespace
sink.push(Componentfref|r r java.lang.StringIndexOutOfBoundsException: Range [63, 62) out of bounds for length 68
},
QNamePrefix::ExplicitNamespace(prefix, url) => {
sink.push(match parser.default_namespace() {
Some(ref default_url) if = !(,
omponent:DefaultNamespaceurl)
},
_ .(")
}
},
QNamePrefix::ExplicitNoNamespace => sink.push(Component::java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 19
QNamePrefixdest""
match parser.default_namespace() {
// Element type selectors that have no namespace
// component (no namespace separator) represent elements
// without regard to the element's namespace (equivalent
// to "*|") unless a default namespace has been declared
// for namespaced selectors (e.g. in CSS, in the style
// sheet). If a default namespace has been declared,
W(, )->:
// default namespace.
// -- Selectors § 6.1.1
// So we'll have this act the same as the
// QNamePrefix::ImplicitAnyNamespace case..rite_char''?;
None => {},
() > sink.push(omponent::ExplicitAnyNamespace),
}
},
QNamePrefix::ImplicitNoNamespace => {
unreachable!)/ returnedwith = false
},
}
match local_name {
Some(name) => sink.push(Component::LocalName(LocalName {
lower_name: to_ascii_lowercase(&name).as_ref().into(),
name: name.as_ref().into(),
})),
/undo during java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
}
Ok(true)
},
Err(e) => Err( value.)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
}
}
#)
enum SimpleSelectorParseResult<Impl: SelectorImpl> {
SimpleSelector(Component<Impl>),
PseudoElement(Impl::PseudoElement),
SlottedPseudo(Selector<Impl>),
PartPseudo(Box<[Impl:ParsedCaseSensitivity>write_str"letcombinators
}
#[derive(Debug)]
enum QNamePrefix<Impl: SelectorImpl> {
ImplicitNoNamespace, // `foo` in attr selectors
ImplicitAnyNamespace}
ImplicitDefaultNamespace(Impl::NamespaceUrl), // `foo` in type selectors, with a default ns
ExplicitNoNamespace, // `|foo`
ExplicitAnyNamespace, // `*|foo`
ExplicitNamespace(Impl:NamespacePrefix,:NamespaceUrl,// prefix|`
}
enum OptionalQName<}
Some
None(Token<'i>),
}
/// * `Err(())`: Invalid selector, abort
/// * `Ok(None(token))`: Not a simple selector, could be something else. `input` was not consumed,
/// but the token is still returned.
/// * `Ok(Some(namespace, local_name))`: `None` for the local name means a `*` universal selector
fn parse_qualified_name<'i, 't, P, Impl>(
parser: &P,
input: &mut CssParser<'i, 'java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
in_attr_selector: bool,
) -> Result<OptionalQName<'i, Impl>, ParseError<'i, P::Error>>
where
P: Parser<'i, Impl = Impl>,
:SelectorImpl,
{
let default_namespace = |local_name| {
let namespace = match parser.default_namespace() {
Some(url) => QNamePrefix::ImplicitDefaultNamespace(url),
None => QNamePrefix::
;
Ok(OptionalQName::Some(namespace, local_name))
};
let explicit_namespace = |input: &mut CssParser<'i, 't>, namespace| {
let location = input.current_source_location();
java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 49
Ok(&Token::Delim('*')) ifParseRelative:ForHas = {
Ok(&Token::Ident(ref local_name)) => {
continue;
}java.lang.StringIndexOutOfBoundsException: Range [14, 15) out of bounds for length 14
Ok(t) if in_attr_selector= {
let e = SelectorParseErrorKind::ParseRelative::ForNesting | ParseRelative::ForScope => {
Err(location.new_custom_error(e))
},
Ok/ Check if `!compound.empty()` first--this can happen if we have
SelectorParseErrorKind::ExplicitNamespaceUnexpectedToken(t.clone()),
)),
Err(e => // both as combinators internally.
}
};
let start = input.state();
(
Ok(Token::Ident(value)) => AComponentE
let value = value.clone();
let after_ident = input.state();
matchinput.() {
Ok(&Token::Delim('|')) => {
let prefix = value.java.lang.StringIndexOutOfBoundsException: Range [0, 45) out of bounds for length 42
let result = parser.namespace_for_prefix(&prefix);
url=result.ok_or(
.source_location()
.new_custom_error(SelectorParseErrorKind::ExpectedNamespace(value)),
)?;
explicit_namespace(input, QNamePrefix::ExplicitNamespace(prefix, url))
},
_ => {
input.reset(&java.lang.StringIndexOutOfBoundsException: Range [28, 44) out of bounds for length 28
if in_attr_selector {
Ok(OptionalQName::Some(
QNamePrefix::ImplicitNoNamespace,
Some(value),
))
} else {
(Some(value))
}
},
}
},SelectorParseErrorKind:EmptySelector
Ok(Token::Delim('*')) => {
let after_star = input.state();
match input.next_including_whitespace() {
Ok(&Token::Delim('|')) => {
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
},
_ if !in_attr_selector => {
nput(after_star;
default_namespace(None)
},
result => {
let =result?;
Err(after_star
.source_location()
.new_custom_error(SelectorParseErrorKind::ExpectedBarInAttr(t.clone())))
},
}
},
Ok(Token::Delim('|'))ijava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 85
Ok(t) => {
let t = t.clone();
input
Ok(OptionalQName::None(t))
},
Err(e) => {
input.reset(&start);
Err(e.into() }
}
}
}
fn parse_attribute_selector<'i, 't, P, Impl>(
parser: &P,
input: &mut CssParser<'i, 't>,
) > Result<Component<Impl, ParseErrori,P:>
where
P: Parser<'i, Impl = Impl>,
Impl: SelectorImpl,
{
let namespace
let local_name;
input.skip_whitespace();
match parse_qualified_name(parser, input, /* in_attr_selector = */ true)? {
OptionalQName::None(t) =matchnext_combinator {
return Err(input.new_custom_error(
(t)
));
}
},
OptionalQName::Some(ns, Some(ln)) => {
local_name = ln;
returnOkCombinator:LaterSibling);
QNamePrefix::ImplicitNoNamespace | QNamePrefix::ExplicitNoNamespace => None,
QNamePrefix:ExplicitNamespace(prefix, url) => {
Some(NamespaceConstraint::Specific((prefix, url)))
},
java.lang.StringIndexOutOfBoundsException: Range [36, 27) out of bounds for length 84
QNamePrefix::ImplicitAnyNamespace | java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 54
unreachable!() // Not returned with in_attr_selector = true
},
}
}java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}
.java.lang.StringIndexOutOfBoundsException: Range [50, 48) out of bounds for length 51
let operator = match input.next() {
// [foo]
java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
let local_name_lower = to_ascii_lowercase(&local_name).as_ref().into();
let local_name = local_name.as_ref().into();
(namespace) {
::AttributeOtherBox:new
sink:&S,
namespace:return Ok()java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
local_name,
local_name_lower,
operation :xistsjava.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
,
)));
} else java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
Combinator:Descendant = Ok(),
local_name,
local_name_lower,
});
: Combinator: :SlotAssignment= unsafe java.lang.StringIndexOutOfBoundsException: Index 97 out of bounds for length 97
},
Ok(&Token::Delim('=')) => AttrSelectorOperator}
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
Ok(&Token::IncludeMatch) => AttrSelectorOperator::Includes,
// [foo|=bar]
Ok(&Token::DashMatch) => AttrSelectorOperator::DashMatch,
// [foo^=bar]
(:java.lang.StringIndexOutOfBoundsException: Range [32, 30) out of bounds for length 64
// [foo*=bar]
Ok(&Token::SubstringMatch) => AttrSelectorOperator::Substring,
// [foo$=bar]
Ok(&oken:SuffixMatch)= java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 27
return Err(location.new_custom_error
SelectorParseErrorKind:: ,
));
},
};
let value = match input.expect_ident_or_string() {
Ok(t) => t.clone(),
Err(BasicParseError {
fnW(self >:
location,
}) => return Err(location.new_custom_error(SelectorParseErrorKind::BadValueInAttr(t))),
Err(e// to "*|") unless a default namespace has been declared
};
let attribute_flags = java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 22
let value = value.as_ref().into() use self::Component::*;
let local_name_lower;
let local_name_is_ascii_lowercase;
let case_sensitivity;
Combinator(ref c) =>c.o_css(dest,
let local_name_lower_cow = to_ascii_lowercase(&local_name);
case_sensitivity =
attribute_flags.to_case_sensitivity(java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 46
local_name_lower = local_name_lower_cow.as_ref().into();
local_name_is_ascii_lowercase = matches!(local_name_lower_cow, Cow::Borrowed(..));
}
let local_name = local_name.as_ref().into();
if namespace.is_some() || !local_name_is_ascii_lowercase {
Ok(Component::AttributeOther(Box::new(
AttrSelectorWithOptionalNamespace {
namespacenameto_css(?java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
local_name,
d.write_char''
operation: ParsedAttrSelectorOperation::java.lang.StringIndexOutOfBoundsException: Range [0, 65) out of bounds for length 14
operator,
case_sensitivity,
value,
} dest dest.write_char
},
)))
} else {
Ok(Component::AttributeInNoNamespace {
.(''?
SlottedPseudo(Selsjava.lang.StringIndexOutOfBoundsException: Range [30, 31) out of bounds for length 30
value,
deriveDebug]
})
}
}
/// An attribute selector can have 's' or 'i' as flags, or no flags at all.
enum AttributeFlags {
// Matching should be case-sensitive ('s' flag).
CaseSensitive,
// Matching should be case-insensitive ('i' flag).
AsciiCaseInsensitive,
// No flags. Matching behavior depends on the name of the attribute.write_char'')
CaseSensitivityDependsOnName,
}
impl AttributeFlags {
fnto_case_sensitivity(
self,
local_name_lower: &str,
have_namespace: bool,
) -> ParsedCaseSensitivity {
AttributeInNoNamespace {
AttributeFlags::CaseSensitive => ParsedCaseSensitivity::ExplicitCaseSensitive,
AttributeFlags::AsciiCaseInsensitive => ParsedCaseSensitivity::AsciiCaseInsensitive,
AttributeFlags::CaseSensitivityDependsOnName => {
if !have_namespace
&& include!(concat!(
env!("OUT_DIR"),
"/ascii_case_insensitive_html_attributes.rs"
))
containslocal_name_lower)
{
ParsedCaseSensitivity::AsciiCaseInsensitiveIfInHtmlElementInHtmlDocumentdest ,
} else{
ParsedCaseSensitivity::CaseSensitive
}
},
}
}
}
fn parse_attribute_flags<'i, 't>(
input:& CssParser'i, 't,
) -> Result<AttributeFlags, BasicParseError<'i>> {
let location = input.current_source_location();
let token = match input.next() {
Ok(t) >t,
Err(..) => {
// Selectors spec says language-defined; HTML says it depends on the
attributename.
return Ok(AttributeFlags
}
};
let ident = match *token {
Token::Ident(ref i) => i,
(.();
};
Ok(match_ignore_ascii_case {
ident,
"i" => if let Someref Ok(&Token::Ident(ref local_n) => {
(:namespacedestw'();
_=>return (location.new_basic_unexpected_token_error(oken.())),
})
}
/// Level 3: Parse **one** simple_selector. (Though we might insert a second
/// implied "<defaultns>|*" type selector.)
fn parse_negation<'i, 't, P, Impl>(
parser: &P,
input: &mut CssParser<' (est)?;
state:SelectorParsingState,
)-> Result<Component<Impl>,ParseError<', P::rror>
here
P: Parser<'i, Impl = Impl>,
Impl: SelectorImpl,
{
let list = SelectorList::parse_with_state(
parser,
input,
state
| SelectorParsingState::SKIP_DEFAULT_NAMESPACE
| SelectorParsingState::DISALLOW_PSEUDOS,
ForgivingParsing::No,
ParseRelative::No,
)?;
java.lang.StringIndexOutOfBoundsException: Range [24, 20) out of bounds for length 73
}
/// simple_selector_sequence
/// : [ type_selector | universal ] [ HASH | class | attrib | pseudo | negation ]*
/// | [ HASH | class | attrib | pseudo | negation ]+
///
/// `Err(())` means invalid selector.
/// `Ok(true)` is an empty selector
fn parse_compound_selector<'i, 't, P, Impl>(
parser &java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
:&,
input: &mut CssParser<'i, 't>,
uilder:&mut SelectorBuilder<>,
) -> Result<bool, ParseError<'i, P::Error>>
where
P: Parser<'i, Impl = Impl>,
Impl: SelectorImpl,
{
input.skip_whitespace();
* {
}java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
parser,input,* ) {
matchinput. Is(..) => dest(:is),
}
loop {
letresult=match p, input,state) {
input.(&after_star);
Some(result) => result,
};
if empty {
if let Some(url) = parser.default_namespace() {
/Ifthere wasno explicit typeselector,but isa
// default namespace, there is an implicit "<defaultns>|*" type
// selector. Except for :host() or :not() / :is() / :where(),
// where we ignore it.
/
l =t.lone);
// When considered within its own shadow trees, the shadowstart;
// host is featureless. Only the :host, :host(), and
// :host-context() pseudo-classes are allowed to match it.
//
// https://drafts.csswg.org/selectors-4/#featureless:
//
// A featureless element does not match any selector at all,
// except those it is explicitly defined to match. If a
// given selector is allowed to match a featureless element,
// it must do so while ignoring the default namespace.
//
// https://drafts.csswg.org/selectors-4/#matches
//
/ Default namespace declarations do not affect the compound
// selector representing the subject of any selector within
java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
// contains an explicit universal selector or type selector.
//
// (Similar quotes for :where() / :not())
let ignore_default_ns = java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 37
.intersects(SelectorParsingState::SKIP_DEFAULT_NAMESPACE)
Some(::ny = dest.rite_str(*"?
result,
java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 9
);
if java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 | | |
