net.sf.saxon.functions

Class CurrentGroup

public class CurrentGroup extends SystemFunction

Implements the XSLT functions current-group() and current-grouping-key()

Field Summary
static int	CURRENT_GROUP
static int	CURRENT_GROUPING_KEY

Method Summary
Item	evaluateItem(XPathContext c) Evaluate the expression
int	getIntrinsicDependencies() Determine the dependencies
SequenceIterator	iterate(XPathContext c) Return an iteration over the result sequence
Expression	preEvaluate(ExpressionVisitor visitor) preEvaluate: this method suppresses compile-time evaluation by doing nothing (because the value of the expression depends on the runtime context)

Field Detail

public static final int CURRENT_GROUP

public static final int CURRENT_GROUPING_KEY

public Item evaluateItem(XPathContext c)

Evaluate the expression

public int getIntrinsicDependencies()

Determine the dependencies

Return an iteration over the result sequence

public Expression preEvaluate(ExpressionVisitor visitor)

preEvaluate: this method suppresses compile-time evaluation by doing nothing (because the value of the expression depends on the runtime context)

Parameters: visitor an expression visitor