edu.stanford.nlp.parser.lexparser
Class Debinarizer
java.lang.Object
edu.stanford.nlp.parser.lexparser.Debinarizer
- All Implemented Interfaces:
- TreeTransformer
public class Debinarizer
- extends java.lang.Object
- implements TreeTransformer
Debinarizes a binary tree from the parser.
Node values with a '@' in them anywhere are assumed to be inserted
nodes for the purpose of binarization, and are removed.
The code also removes the last child of the root node, assuming
that is an inserted dependency root.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Debinarizer
public Debinarizer(boolean forceCNF)
Debinarizer
public Debinarizer(boolean forceCNF,
LabelFactory lf)
transformTreeHelper
protected Tree transformTreeHelper(Tree t)
transformTree
public Tree transformTree(Tree t)
- Description copied from interface:
TreeTransformer
- Does whatever one needs to do to a particular tree.
This routine is passed a whole
Tree
, and could itself
work recursively, but the canonical usage is to invoke this method
via the Tree.transform()
method, which will apply the
transformer in a bottom-up manner to each local Tree
,
and hence the implementation of TreeTransformer
should
merely examine and change a local (one-level) Tree
.
- Specified by:
transformTree
in interface TreeTransformer
- Parameters:
t
- A tree. Classes implementing this interface can assume
that the tree passed in is not null
.
- Returns:
- the transformed
Tree
Stanford NLP Group