XSLT, 2nd Edition

Name

[2.0] in-scope-prefixes()

Given an element, returns a sequence of all the namespace prefixes in scope for that element.

Syntax

xs:string* in-scope-prefixes(element())

Inputs

An element.

Outputs

A sequence of xs:strings listing the namespace prefixes that are in scope for that element.

Defined in

XQuery 1.0 and XPath 2.0 Functions and Operators section 11.2, “Operators and Functions Related to QNames.”

Example

To illustrate the in-scope-prefixes() function, we’ll reuse our Shakespearean sonnet:

<?xml version="1.0"?>
<!-- sonnet.xml --> <sonnet type='Shakespearean'> <auth:author xmlns:auth="http://www.authors.com/"> <last-name>Shakespeare</last-name> <first-name>William</first-name> <nationality>British</nationality> <year-of-birth>1564</year-of-birth> <year-of-death>1616</year-of-death> </auth:author> <!-- Is there an official title for this sonnet? They're sometimes named after the first line. --> <title>Sonnet 130</title> <lines> <line>My mistress' eyes are nothing like the sun,</line> <line>Coral is far more red than her lips red.</line> <line>If snow be white, why then her breasts are dun,</line> <line>If hairs be wires, black wires grow on her head.</line> <line>I have seen roses damasked, red and white,</line> <line>But no such roses see I in her cheeks.</line> <line>And in some perfumes is there more delight</line> <line>Than in the breath that from my mistress reeks.</line> <line>I love to hear her speak, yet well I know</line> <line>That music hath a far more pleasing sound.</line> ...