Struct ElementIntrospector 

pub struct ElementIntrospector<P> { /* private fields */ }

An underlying target-agnostic introspector used for most queries.

The parameter P represents a position type for the relevant target.

Implementations

impl<P> ElementIntrospector<P>

pub fn query(&self, selector: &Selector) -> EcoVec<Content>

Queries for all matching elements.

pub fn query_first(&self, selector: &Selector) -> Option<Content>

Queries for the first element that matches the selector.

pub fn query_unique(&self, selector: &Selector) -> StrResult<Content>

Queries for the first element that matches the selector.

pub fn query_label(&self, label: Label) -> StrResult<&Content>

Queries for a unique element with the label.

pub fn query_labelled(&self) -> EcoVec<Content>

Queries for all elements with a label.

pub fn query_count_before(&self, selector: &Selector, end: Location) -> usize

An optimized version of query(selector.before(end, true).len() used by counters and state.

pub fn label_count(&self, label: Label) -> usize

Checks how many times a label exists.

pub fn locator(&self, key: u128, base: Location) -> Option<Location>

Tries to find a location for an element with the given key hash that is closest after the base.

pub fn position(&self, location: Location) -> Option<&P>

Returns the target-specific position of the element at the given location.

pub fn all(&self) -> impl Iterator<Item = &Content> + '_

Iterates over all locatable elements.

pub fn get_by_idx(&self, idx: usize) -> &Content

Retrieves the element with the given index.

pub fn get_pos_by_idx(&self, idx: usize) -> &P

Retrieves the position of the element with the given index.

pub fn get_by_loc(&self, location: &Location) -> Option<&Content>

Retrieves an element by its location.

pub fn binary_search( &self, list: &[Content], elem: &Content, ) -> Result<usize, usize>

Performs a binary search for elem among the list.

pub fn elem_index(&self, elem: &Content) -> usize

Gets the index of this element.

pub fn loc_index(&self, location: &Location) -> usize

Gets the index of the element with this location among all.

pub fn loc_range(&self, location: &Location) -> Range<usize>

Gets the range of the element with this location among all.

Trait Implementations

impl<P: Clone> Clone for ElementIntrospector<P>

fn clone(&self) -> ElementIntrospector<P>

Returns a duplicate of the value.

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

Performs copy-assignment from source.