XPathEvaluator

interfacein packageorg.w3c.dom.xpath

public interface XPathEvaluator:

XPathEvaluator

Evaluates XPath 1.0 expressions against DOM nodes.

Example

import klyn.io.xml.dom
import klyn.io.xml.xpath
import org.w3c.dom.xpath

document = XMLDocument()
evaluator as XPathEvaluator = DOMXPathEvaluator()
result = evaluator.evaluate("count(//item)", document, null, XPathResult.NUMBER_TYPE, null)
print(result.numberValue)

Methods

Modifier and Type	Member	Description
public	createExpression `createExpression(expression as String, resolver as XPathNSResolver) as XPathExpression throws XPathException, DOMException`	Creates a reusable compiled XPath expression.
public	createNSResolver `createNSResolver(nodeResolver as Node) as XPathNSResolver`	Creates a namespace resolver from a DOM node.
public	evaluate `evaluate(expression as String, contextNode as Node, resolver as XPathNSResolver, type as Int, result as XPathResult) as XPathResult throws XPathException, DOMException`	Evaluates an XPath expression immediately.