Example usage for edu.stanford.nlp.trees Tree treeFactory

Introduction

In this page you can find the example usage for edu.stanford.nlp.trees Tree treeFactory.

Prototype

public abstract TreeFactory treeFactory();

Source Link

Document

Return a TreeFactory that produces trees of the appropriate type.

Usage

From source file:CollapseUnaryTransformer.java

License:Apache License

public Tree transformTree(Tree tree) {
    if (tree.isPreTerminal() || tree.isLeaf()) {
        return tree.deepCopy();
    }//from   w w  w.  ja va2  s .c o  m

    Label label = tree.label().labelFactory().newLabel(tree.label());
    Tree[] children = tree.children();
    while (children.length == 1 && !children[0].isLeaf()) {
        children = children[0].children();
    }
    List<Tree> processedChildren = Generics.newArrayList();
    for (Tree child : children) {
        processedChildren.add(transformTree(child));
    }
    return tree.treeFactory().newTreeNode(label, processedChildren);
}

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From source file:de.tudarmstadt.ukp.dkpro.core.corenlp.internal.CoreNlp2DKPro.java

License:Open Source License

public static void convertPennTree(JCas aJCas, Annotation aDocument) {
    for (CoreMap s : aDocument.get(SentencesAnnotation.class)) {
        Tree tree = s.get(TreeCoreAnnotations.TreeAnnotation.class);
        int begin = s.get(CharacterOffsetBeginAnnotation.class);
        int end = s.get(CharacterOffsetEndAnnotation.class);

        // create tree with simple labels and get penn string from it
        tree = tree.deepCopy(tree.treeFactory(), StringLabel.factory());

        // write Penn Treebank-style string to cas
        PennTree pTree = new PennTree(aJCas, begin, end);
        pTree.setPennTree(tree.pennString());
        pTree.addToIndexes();//from   w  ww  . j a  v  a  2s .c o m
    }
}

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From source file:de.tudarmstadt.ukp.dkpro.core.stanfordnlp.util.StanfordAnnotator.java

License:Open Source License

/**
 * Creates annotation with Penn Treebank style representations of the syntax tree
 * /* w  w  w  .  ja  v a  2  s  . c o  m*/
 * @param aBegin
 *            start offset.
 * @param aEnd
 *            end offset.
 */
public void createPennTreeAnnotation(int aBegin, int aEnd) {
    Tree t = tokenTree.getTree();

    // write Penn Treebank-style string to cas
    PennTree pTree = new PennTree(jCas, aBegin, aEnd);

    // create tree with simple labels and get penn string from it
    t = t.deepCopy(t.treeFactory(), StringLabel.factory());

    pTree.setPennTree(t.pennString());
    pTree.addToIndexes();
}

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From source file:de.tudarmstadt.ukp.dkpro.core.stanfordnlp.util.TreeWithTokens.java

License:Open Source License

public void setTree(Tree tree) {
    if (!(tree.label() instanceof CoreLabel)) {
        tree = tree.deepCopy(tree.treeFactory(), CoreLabel.factory());
    }// w w  w.j  av a2s  . co m

    tree.indexLeaves();

    this.tree = tree;
}

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