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SelectorError

rama::http::protocols::html::selector

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 and std only.
Expand description

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

Variants (Non-exhaustive)§

This enum is marked as 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.
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EmptySelector

The selector string was empty.

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UnexpectedToken

An unexpected character/token was encountered.

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UnexpectedEnd

The selector ended while more input was expected.

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DanglingCombinator

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

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MissingAttributeName

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

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UnexpectedTokenInAttribute

An unexpected token inside an attribute selector.

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UnsupportedCombinator(char)

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

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UnsupportedPseudoClass

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

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NamespacedSelector

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

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EmptyNegation

A :not() had no argument.

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InvalidNth

An An+B micro-syntax value was malformed.

Trait Implementations§

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impl Clone for SelectorError

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fn clone(&self) -> SelectorError

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for SelectorError

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

Formats the value using the given formatter. Read more
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impl Display for SelectorError

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

Formats the value using the given formatter. Read more
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impl Eq for SelectorError

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impl Error for SelectorError

1.30.0 · Source§

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

Returns the lower-level source of this error, if any. Read more
1.0.0 · Source§

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

Read more
1.0.0 · Source§

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

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

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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. Read more
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impl PartialEq for SelectorError

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for SelectorError

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fn type_id(&self) -> TypeId

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impl<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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