Description
The functx:depth-of-node function returns the level of a node within a document, as an integer. 1 represents the root node, 2 is a child of the root, etc. If $node is a document node, the document node itself counts as the first level.
Arguments and Return Type| Name | Type | Description |
|---|
$node |
node()? |
the node to check |
| return value |
xs:integer |
XQuery Function Declaration| See XSLT definition. | | XQuery Syntax for July 2004 - January 2007 (1.0): |
|---|
declare namespace functx = "http://www.functx.com";
declare function functx:depth-of-node
( $node as node()? ) as xs:integer {
count($node/ancestor-or-self::node())
} ; | | XQuery Syntax for May 2003: |
|---|
declare namespace functx = "http://www.functx.com"
define function depth-of-node
( $node as node()? ) as xs:integer {
fn:count($node/ancestor-or-self::node())
} |
Exampleslet $in-xml := | <authors>
<author>
<fName>Kate</fName>
<lName>Jones</lName>
</author>
<author>
<fName>John</fName>
<lName>Doe</lName>
</author>
</authors> | return |
| XQuery Example | Results |
|---|
functx:depth-of-node($in-xml)
|
1
|
functx:depth-of-node($in-xml/author[1])
|
2
|
functx:depth-of-node(
$in-xml/author[1]/fName/text())
|
4
|
See AlsoHistory |
|
