Example usage for edu.stanford.nlp.ling Label setFromString

Introduction

In this page you can find the example usage for edu.stanford.nlp.ling Label setFromString.

Prototype

public void setFromString(String labelStr);

Source Link

Document

Set the contents of this label to this String representing the complete contents of the label.

Usage

From source file:edu.cmu.ark.AnalysisUtilities.java

License:Open Source License

/**
 * Remove traces and non-terminal decorations (e.g., "-SUBJ" in "NP-SUBJ") from a Penn Treebank-style tree.
 *
 * @param inputTree//from   w ww  . j  av  a2 s  .  c  om
 */
public void normalizeTree(Tree inputTree) {
    inputTree.label().setFromString("ROOT");

    List<Pair<TregexPattern, TsurgeonPattern>> ops = new ArrayList<Pair<TregexPattern, TsurgeonPattern>>();
    List<TsurgeonPattern> ps = new ArrayList<TsurgeonPattern>();
    String tregexOpStr;
    TregexPattern matchPattern;
    TsurgeonPattern p;
    TregexMatcher matcher;

    tregexOpStr = "/\\-NONE\\-/=emptynode";
    matchPattern = TregexPatternFactory.getPattern(tregexOpStr);
    matcher = matchPattern.matcher(inputTree);
    ps.add(Tsurgeon.parseOperation("prune emptynode"));
    matchPattern = TregexPatternFactory.getPattern(tregexOpStr);
    p = Tsurgeon.collectOperations(ps);
    ops.add(new Pair<TregexPattern, TsurgeonPattern>(matchPattern, p));
    Tsurgeon.processPatternsOnTree(ops, inputTree);

    Label nonterminalLabel;

    tregexOpStr = "/.+\\-.+/=nonterminal < __";
    matchPattern = TregexPatternFactory.getPattern(tregexOpStr);
    matcher = matchPattern.matcher(inputTree);
    while (matcher.find()) {
        nonterminalLabel = matcher.getNode("nonterminal");
        if (nonterminalLabel == null)
            continue;
        nonterminalLabel.setFromString(tlp.basicCategory(nonterminalLabel.value()));
    }

}

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