Struct Document 

pub struct Document {
    pub arena: NodeArena,
    pub root: NodeId,
}

The DOM Document

Fields

arena: NodeArena

root: NodeId

Implementations

impl Document

pub fn new() -> Self

Create a new empty document

pub fn create_element(&mut self, tag_name: &str) -> NodeId

Create an element node

pub fn create_element_with_attrs( &mut self, tag_name: &str, attrs: BTreeMap<String, String>, ) -> NodeId

Create an element node with attributes

pub fn create_text(&mut self, text: &str) -> NodeId

Create a text node

pub fn create_comment(&mut self, text: &str) -> NodeId

Create a comment node

pub fn create_doctype(&mut self, name: &str) -> NodeId

Create a document type node

pub fn append_child(&mut self, parent_id: NodeId, child_id: NodeId)

Append a child node to a parent

pub fn remove_child(&mut self, parent_id: NodeId, child_id: NodeId)

Remove a child from its parent

pub fn insert_before( &mut self, parent_id: NodeId, new_child_id: NodeId, ref_child_id: NodeId, )

Insert a child before a reference node

pub fn get_element_by_id(&self, id: &str) -> Option<NodeId>

Find an element by its “id” attribute

pub fn get_elements_by_tag_name(&self, tag: &str) -> Vec<NodeId>

Find all elements with a given tag name

pub fn walk<F: FnMut(NodeId)>(&self, start: NodeId, callback: &mut F)

Walk the tree depth-first, calling the callback on each node

pub fn descendants(&self, start: NodeId) -> Vec<NodeId>

Get all descendant NodeIds (depth-first)

pub fn ancestors(&self, start: NodeId) -> Vec<NodeId>

Get all ancestor NodeIds (from parent up to root)

pub fn inner_text(&self, node_id: NodeId) -> String

Get the inner text of a node (concatenation of all text descendants)

pub fn outer_html(&self, node_id: NodeId) -> String

Generate outer HTML for debugging

pub fn tag_name(&self, node_id: NodeId) -> Option<&str>

Get the tag name of an element node

pub fn get_attribute(&self, node_id: NodeId, attr: &str) -> Option<String>

Get an attribute value from an element node

pub fn node_count(&self) -> usize

Count total nodes in the arena

Trait Implementations

impl Debug for Document

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

Formats the value using the given formatter.

impl Default for Document

fn default() -> Self

Returns the “default value” for a type.