edu.stanford.nlp.trees.tregex.tsurgeon

Class CreateSubtreeNode

java.lang.Object

edu.stanford.nlp.trees.tregex.tsurgeon.TsurgeonPattern

edu.stanford.nlp.trees.tregex.tsurgeon.CreateSubtreeNode

public class CreateSubtreeNode
extends TsurgeonPattern

Given the start and end children of a particular node, takes all children between start and end (including the endpoints) and combines them in a new node with the given label.

Author:

John Bauer

Constructor Summary

Constructors

Constructor and Description
CreateSubtreeNode(TsurgeonPattern start, java.lang.String newLabel)
CreateSubtreeNode(TsurgeonPattern start, TsurgeonPattern end, java.lang.String newLabel)

Method Summary

Methods

Modifier and Type	Method and Description
Tree	evaluate(Tree t, TregexMatcher tm) Combines all nodes between start and end into one subtree, then replaces those nodes with the new subtree in the corresponding location under parent

Methods inherited from class edu.stanford.nlp.trees.tregex.tsurgeon.TsurgeonPattern

setRoot, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

CreateSubtreeNode

public CreateSubtreeNode(TsurgeonPattern start,
                 java.lang.String newLabel)

CreateSubtreeNode

public CreateSubtreeNode(TsurgeonPattern start,
                 TsurgeonPattern end,
                 java.lang.String newLabel)

Method Detail

evaluate

public Tree evaluate(Tree t,
            TregexMatcher tm)

Combines all nodes between start and end into one subtree, then replaces those nodes with the new subtree in the corresponding location under parent

Specified by:

evaluate in class TsurgeonPattern

Parameters:

t - The Tree that has been matched upon; typically this tree will be destructively modified.

tm - The successfully matched TregexMatcher.

Returns:

Some node in the tree; depends on implementation and use of the specific subclass.