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NodeList Interface

Table 4-9 summarizes the methods of available through the NodeList interface.

Table 4-9 Summary of NodeList Methods; DOM Package

Function	Summary
XmlDomFreeNodeList	Free a node list returned by XmlDomGetElemsByTag, and so on.
XmlDomGetNodeListItem	Return nth node in list.
XmlDomGetNodeListLength	Return length of node list.

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XmlDomFreeNodeList

Free a node list returned by XmlDomGetElemsByTag or related functions, releasing all resources associated with it. If given a node list that is part of the DOM proper (such as the children of a node), does nothing.

Syntax

void XmlDomFreeNodeList(
   xmlctx *xctx,
   xmlnodelist *list)

Parameter	In/Out	Description
xctx	IN	XML context
list	IN	NodeList to free

See Also: XmlDomGetElemsByTag, XmlDomGetElemsByTagNS, XmlDomGetChildrenByTag, XmlDomGetChildrenByTagNS

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XmlDomGetNodeListItem

Return nth node in a node list. The first item is index 0.

Syntax

xmlnode* XmlDomGetNodeListItem(
   xmlctx *xctx,
   xmlnodelist *list,
   ub4 index)

Parameter	In/Out	Description
xctx	IN	XML context
list	IN	NodeList
index	IN	index into list

Returns

(xmlnode *) node at the nth position in node list [or NULL]

See Also: XmlDomGetNodeListLength, XmlDomFreeNodeList

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XmlDomGetNodeListLength

Returns the number of nodes in a node list (its length). Note that nodes are referred to by index, so the range of valid indexes is 0 through length-1.

Syntax

ub4 XmlDomGetNodeListLength(
   xmlctx *xctx,
   xmlnodelist *list)

Parameter	In/Out	Description
xctx	IN	XML context
list	IN	NodeList

Returns

(ub4) number of nodes in node list

See Also: XmlDomGetNodeListItem, XmlDomFreeNodeList