TreeWalker Interface

Table 2-27 summarizes the methods available through TreeWalker interface.

Table 2-27 Summary of TreeWalker Methods; Dom Package

Function	Summary
adjustCtx()	Attach this tree walker to another context.
firstChild()	Get the first child of the current node.
lastChild()	Get the last child of the current node.
nextNode()	Get the next node.
nextSibling()	Get the next sibling node.
parentNode()	Get the parent of the current node.
previousNode()	Get the previous node.
previousSibling()	Get the previous sibling node.

adjustCtx()

Attaches this tree walker to the context associated with a given node reference

Syntax

void adjustCtx( 
   NodeRef< Node>& nref);

Parameter	Description
nref	reference to provide the context

Get the first child of the current node.

Syntax

Node* firstChild();

Returns

(Node*) pointer to first child node

Get the last child of the current node.

Syntax

Node* lastChild();

Returns

(Node*) pointer to last child node

Get the next node.

Syntax

Node* nextNode();

Returns

(Node*) pointer to the next node

Get the next sibling node.

Syntax

Node* nextSibling();

Returns

(Node*) pointer to the next sibling node

Get the parent of the current node.

Syntax

Node* parentNode();

Returns

(Node*) pointer to the parent node

Get the previous node.

Syntax

Node* previousNode();

Returns

(Node*) pointer to previous node

Get the previous sibling node.

Syntax

Node* previousSibling();

Returns

(Node*) pointer to the previous sibling node