TStep class

In unit Laz2_XPath

Implements an XPath Location Step.

Declaration

pascal

TStep = class(TXPathFilterNode)

Inheritance

Description

TStep is a TXPathFilterNode descendant used to implement a Location Step expression in the XPath syntax. A location step expression contains an Axis name, a node test, and optional predicates that determine the items available in a node set. For example:

./child::book[@lang='en']

Use the constructor to specify the Axis and Node Test for the XPath expression. An overridden Evaluate method is provided to select the nodes included in the node set returned by the method.

Methods

`Create`	public	Constructor for the class instance.
`Evaluate`	public	Evaluates the XPath expression for the Location Step.

Fields

`Axis`	public	Axis type for the Location Step.
`NodeTestType`	public	Node Test Type for the Location Step.
`NodeTestString`	public	Node Test Type as a String value.
`NSTestString`	public	Namespace Test as a String value.

Inherited

From TXPathFilterNode (1)

Destroy

From TXPathExprNode (1)

EvalPredicate

An experiment, built from Lazarus main 2dfa93c66e of 10-22-2026. Not the official Lazarus documentation.