de.tudarmstadt.ukp.dkpro.core.io.penntree

Class PennTreeUtils

java.lang.Object

de.tudarmstadt.ukp.dkpro.core.io.penntree.PennTreeUtils

public class PennTreeUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
PennTreeUtils()

Method Summary

Modifier and Type	Method and Description
static PennTreeNode	convertPennTree(Constituent aConstituent)
static String	escapeToken(String aToken)
static List<PennTreeNode>	getPreTerminals(PennTreeNode aNode)
static boolean	isEmpty(int aBegin, int aEnd)
static PennTreeNode	parsePennTree(String aTree)
static PennTreeNode	selectDfs(PennTreeNode aNode, int aIndex)
static String	toPennTree(PennTreeNode aNode)
static String	toPrettyPennTree(PennTreeNode aNode)
static String	toText(PennTreeNode aNode)
static void	trim(CharSequence aText, int[] aSpan) Remove trailing or leading whitespace from the annotation.
static boolean	trimChar(char aChar)
static String	unescapeToken(String aToken)

Methods inherited from class java.lang.Object

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

Constructor Detail

PennTreeUtils

public PennTreeUtils()

Method Detail

convertPennTree

public static PennTreeNode convertPennTree(Constituent aConstituent)

escapeToken

public static String escapeToken(String aToken)

unescapeToken

public static String unescapeToken(String aToken)

toText

public static String toText(PennTreeNode aNode)

selectDfs

public static PennTreeNode selectDfs(PennTreeNode aNode,
                                     int aIndex)

parsePennTree

public static PennTreeNode parsePennTree(String aTree)

toPennTree

public static String toPennTree(PennTreeNode aNode)

toPrettyPennTree

public static String toPrettyPennTree(PennTreeNode aNode)

trim

public static void trim(CharSequence aText,
                        int[] aSpan)

Remove trailing or leading whitespace from the annotation.

Parameters:

aText - the text.

aSpan - the offsets (will be updated in the process).

isEmpty

public static boolean isEmpty(int aBegin,
                              int aEnd)

trimChar

public static boolean trimChar(char aChar)

getPreTerminals

public static List<PennTreeNode> getPreTerminals(PennTreeNode aNode)