Enum SelectorError 

#[non_exhaustive]
pub enum SelectorError {
    EmptySelector,
    UnexpectedToken,
    UnexpectedEnd,
    DanglingCombinator,
    MissingAttributeName,
    UnexpectedTokenInAttribute,
    UnsupportedCombinator(char),
    UnsupportedPseudoClass,
    NamespacedSelector,
    EmptyNegation,
    InvalidNth,
}

Available on crate features html and http only.

Error returned when parsing a CSS selector string fails, or when it uses a construct outside the streaming-safe supported subset.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

EmptySelector

The selector string was empty.

UnexpectedToken

An unexpected character/token was encountered.

UnexpectedEnd

The selector ended while more input was expected.

DanglingCombinator

A combinator was not followed by a compound selector (e.g. div >).

MissingAttributeName

An attribute selector was missing its attribute name (e.g. [=x]).

UnexpectedTokenInAttribute

An unexpected token inside an attribute selector.

UnsupportedCombinator(char)

A sibling combinator (+ or ~) was used; not supported while streaming.

UnsupportedPseudoClass

An unsupported pseudo-class or pseudo-element was used.

NamespacedSelector

A selector used an explicit namespace (e.g. svg|rect).

EmptyNegation

A :not() had no argument.

InvalidNth

An An+B micro-syntax value was malformed.

Trait Implementations

impl Clone for SelectorError

fn clone(&self) -> SelectorError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SelectorError

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Display for SelectorError

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Eq for SelectorError

impl Error for SelectorError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for SelectorError

fn eq(&self, other: &SelectorError) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for SelectorError