Struct AttributeTracker 

pub struct AttributeTracker<'a> {
    pub provider: &'a dyn AttributeProvider,
    pub references: Box<PrecomputedHashSet<LocalName>>,
}

A data structure to keep track of the names queried from a provider.

Fields

provider: &'a dyn AttributeProvider

The element that queries for attributes.

references: Box<PrecomputedHashSet<LocalName>>

The set of attributes we have queried.

Implementations

impl<'a> AttributeTracker<'a>

pub fn new(provider: &'a dyn AttributeProvider) -> Self

Construct a new attribute tracker trivially.

pub fn new_dummy() -> Self

Consstruct a new dummy attribute tracker

pub fn finalize(self) -> Box<PrecomputedHashSet<LocalName>>

Extract the queried references and consume self

pub fn query(&mut self, name: &LocalName) -> Option<String>

Query the value and save the name of the attribtue.