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DocumentTraversal Interface

Table 2-12 summarizes the methods available through DocumentTraversal interface.

Table 2-12 Summary of DocumentTraversal Methods; Dom Package

Function	Summary
DocumentTraversal()	Constructor.
createNodeIterator()	Create new NodeIterator object.
createTreeWalker()	Create new TreeWalker object.
destroyNodeIterator()	Destroys NodeIterator object.
destroyTreeWalker()	Destroys TreeWalker object.
~DocumentTraversal()	Default destructor.

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DocumentTraversal()

Constructs the factory.

Syntax

DocumentTraversal();

Returns

(DocumentTraversal) new factory object

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createNodeIterator()

Create new iterator object.

Syntax

NodeIterator< Node>* createNodeIterator(
   NodeRef< Node>& root,
   WhatToShowCode whatToShow,
   boolean entityReferenceExpansion)
throw (DOMException);

Parameter	Description
root	root of subtree, for iteration
whatToShow	node types filter
entityReferenceExpansion	if TRUE, expand entity references

Returns

(NodeIterator*) Pointer to new iterator

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createTreeWalker()

Create new TreeWalker object.

Syntax

TreeWalker< Node>* createTreeWalker(
   NodeRef< Node>& root,
   WhatToShowCode whatToShow,
   boolean entityReferenceExpansion)
throw (DOMException);

Parameter	Description
root	root of subtree, for traversal
whatToShow	node types filter
entityReferenceExpansion	if TRUE, expand entity references

Returns

(TreeWalker*) Pointer to new tree walker

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destroyNodeIterator()

Destroys node iterator object.

Syntax

void destroyNodeIterator(
   NodeIterator< Node>* iter)
throw (DOMException);

Parameter	Description
iter	iterator

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destroyTreeWalker()

Destroys TreeWalker object.

Syntax

void destroyTreeWalker(
   TreeWalker< Node>* walker)
throw (DOMException);

Parameter	Description
walker	TreeWalker

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~DocumentTraversal()

Default destructor.

Syntax

~DocumentTraversal();