org.jaxen.function

Class PositionFunction

public class PositionFunction extends Object implements Function

4.1 number position()

The position function returns a number equal to the context position from the expression evaluation context.

Author: bob mcwhirter (bob @ werken.com)

Constructor Summary
	PositionFunction() Create a new `PositionFunction` object.

Method Summary
Object	call(Context context, List args) Returns the position of the context node in the context node-set.
static Double	evaluate(Context context) Returns the position of the context node in the context node-set.

Constructor Detail

public PositionFunction()

Create a new PositionFunction object.

public Object call(Context context, List args)

Returns the position of the context node in the context node-set.

Parameters: context the context at the point in the expression where the function is called args an empty list

Returns: a Double containing the context position

Throws: FunctionCallException if args is not empty

public static Double evaluate(Context context)

Returns the position of the context node in the context node-set.

Parameters: context the context at the point in the expression where the function is called

Returns: a Double containing the context position