Struct Selector 

pub struct Selector { /* private fields */ }

解析好的选择器列表（逗号分隔）。解析一次，可以在多个文档、多个线程上复用。

Implementations

impl Selector

pub fn parse(s: &str) -> Result<Selector, SelectorError>

解析选择器列表。语法错误、不支持的语法返回错误，不会 panic。

pub fn matches(&self, node: NodeRef<'_>) -> bool

元素是否匹配。:scope 匹配根元素。不是元素的节点永远不匹配。

pub fn matches_with_scope( &self, node: NodeRef<'_>, scope: Option<NodeRef<'_>>, ) -> bool

元素是否匹配，:scope 匹配 scope（为 None 时匹配根元素）。

Trait Implementations

impl Clone for Selector

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Selector

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

Formats the value using the given formatter.

impl FromStr for Selector

type Err = SelectorError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.