dk.brics.xmlgraph.converter
Class XMLGraphReducer

java.lang.Object
  dk.brics.xmlgraph.converter.XMLGraphReducer

public class XMLGraphReducer
extends Object

XML graph reducer.

References (including root pointers) to non-gap ChoiceNodes and SequenceNodes with exactly one child are redirected to the child.

Constructor Summary

XMLGraphReducer()
Constructs a new XML graph reducer.

Method Summary

Node	reduce(Node n, XMLGraph xg, int from_index, boolean leave_choices) Reduces the given XML graph fragment.
void	reduce(XMLGraph xg) Reduces the given XML graph.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

XMLGraphReducer

public XMLGraphReducer()

Constructs a new XML graph reducer.

Method Detail

reduce

public Node reduce(Node n,
                   XMLGraph xg,
                   int from_index,
                   boolean leave_choices)

Reduces the given XML graph fragment.

Parameters:

n - fragment root

xg - XML graph containing the fragment

from_index - node index where reduction starts

leave_choices - if true, ChoiceNodes are not modified

Returns:

new fragment root

reduce

public void reduce(XMLGraph xg)

Reduces the given XML graph.

Parameters:

xg - XML graph