Struct SelectorNode 

pub struct SelectorNode { /* private fields */ }

A node selected from an HTML document using the builtin CSS selector API.

Implementations

impl SelectorNode

pub fn css(&self, query: &str) -> Result<SelectorList, SpiderError>

Applies a CSS selector relative to this node.

Errors

Returns SpiderError::HtmlParseError when the selector is invalid or when chaining from a text/attribute extraction.

pub fn get(&self) -> Option<String>

Returns the extracted value for this node, if present.

pub fn get_all(&self) -> Vec<String>

Returns this node’s extracted value as a single-element vector or an empty one.

pub fn attrib(&self, name: &str) -> Option<String>

Returns the named attribute from the selected element.

pub fn text_content(&self) -> Option<String>

Returns the concatenated text content of the selected element.

pub fn has_css(&self, query: &str) -> Result<bool, SpiderError>

Returns true when this element has any descendant matching query.

Errors

Returns SpiderError::HtmlParseError when the selector is invalid or when called on a text/attribute extraction.

pub fn has_ancestor(&self, query: &str) -> Result<bool, SpiderError>

Returns true when any ancestor of this element matches query.

Errors

Returns SpiderError::HtmlParseError when the selector is invalid or when called on a text/attribute extraction.

Trait Implementations

impl Clone for SelectorNode

fn clone(&self) -> SelectorNode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SelectorNode

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

Formats the value using the given formatter.