/**
* Copyright 2003 DFKI GmbH.
* All Rights Reserved. Use is subject to license terms.
*
* This file is part of MARY TTS.
*
* MARY TTS is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package marytts.language.de;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
import marytts.datatypes.MaryData;
import marytts.datatypes.MaryDataType;
import marytts.datatypes.MaryXML;
import marytts.util.dom.MaryDomUtils;
import marytts.util.dom.NameNodeFilter;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.traversal.DocumentTraversal;
import org.w3c.dom.traversal.NodeFilter;
import org.w3c.dom.traversal.NodeIterator;
/**
*
* @author Marc Schröder
*/
public class JTokeniser extends marytts.modules.JTokeniser {
protected static final Set<String> nonAbbrevs = new HashSet<String>(Arrays.asList(new String[] {
// Measure symbols
"m", "km", "dm", "cm", "mm", "g", "kg", "mg", "s", "sec", "ms", "min",
// "A",
// "V",
// "K",
"°C", "°F", "Hz", "kHz", "MHz", "GHz",
// "N",
"Pa", "J", "kJ",
// "W",
"kW", "MW", "GW", "mW", "l", "dl", "cl", "ml", "Bq", "EL", "TL", "kcal", "oz", "qm", "m²", "m³", "ccm", "%" }));
/**
*
*/
public JTokeniser() {
super(MaryDataType.RAWMARYXML, MaryDataType.TOKENS, Locale.GERMAN);
}
public MaryData process(MaryData d) throws Exception {
MaryData result = super.process(d);
tokenizerFixes(result);
return result;
}
protected void tokenizerFixes(MaryData d) {
Document doc = d.getDocument();
NodeIterator ni = ((DocumentTraversal) doc).createNodeIterator(doc, NodeFilter.SHOW_ELEMENT, new NameNodeFilter(
MaryXML.TOKEN), false);
Element t = null;
while ((t = (Element) ni.nextNode()) != null) {
String s = MaryDomUtils.tokenText(t);
// Any dots taken to be part of an abbreviation that should not be one?
if (s.endsWith(".")) {
String s1 = s.substring(0, s.length() - 1);
if (nonAbbrevs.contains(s1)) {
MaryDomUtils.setTokenText(t, s1);
Element sentence = (Element) MaryDomUtils.getAncestor(t, MaryXML.SENTENCE);
assert sentence != null;
if (!MaryDomUtils.isLastOfItsKindIn(t, sentence)) {
// need to manually add a sentence break
Element firstInSentence = MaryDomUtils.getFirstElementByTagName(sentence, MaryXML.TOKEN);
Element newSentence = MaryDomUtils.encloseNodesWithNewElement(firstInSentence, t, MaryXML.SENTENCE);
sentence.getParentNode().insertBefore(newSentence, sentence);
sentence = newSentence;
}
// And actually, we still need to add a token '.'
Element newT = MaryXML.appendChildElement(sentence, MaryXML.TOKEN);
MaryDomUtils.setTokenText(newT, ".");
}
}
}
}
}