edu.stanford.nlp.parser.lexparser
Class TreeAnnotator

java.lang.Object
  edu.stanford.nlp.parser.lexparser.TreeAnnotator

All Implemented Interfaces:

TreeTransformer

public class TreeAnnotator
extends java.lang.Object
implements TreeTransformer

Performs non-language specific annotation of Trees.

Author:

Dan Klein, Christopher Manning

Constructor Summary

TreeAnnotator(HeadFinder hf, TreebankLangParserParams tlpp, Options op)

Method Summary

Tree	transformTree(Tree t) Do the category splitting of the tree passed in.

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeAnnotator

public TreeAnnotator(HeadFinder hf,
                     TreebankLangParserParams tlpp,
                     Options op)

Method Detail

transformTree

public Tree transformTree(Tree t)

Do the category splitting of the tree passed in. This method defensively copies its argument, which is not changed.

Specified by:

transformTree in interface TreeTransformer

Parameters:

t - The tree to be annotated. This can be any tree with a value() stored in Labels. The tree is assumed to have preterminals that are parts of speech.

Returns:

The annotated version of the Tree (which is a completely separate Tree with new tree structure and new labels). The non-leaf nodes of the tree will be CategoryWordTag objects.