1 package org.apache.lucene.analysis.fr;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
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16 * See the License for the specific language governing permissions and
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21 * This algorithm is updated based on code located at:
22 * http://members.unine.ch/jacques.savoy/clef/
24 * Full copyright for that code follows:
28 * Copyright (c) 2005, Jacques Savoy
29 * All rights reserved.
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32 * modification, are permitted provided that the following conditions are met:
34 * Redistributions of source code must retain the above copyright notice, this
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36 * form must reproduce the above copyright notice, this list of conditions and
37 * the following disclaimer in the documentation and/or other materials
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40 * this software without specific prior written permission.
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56 * Light Stemmer for French.
58 * This stemmer implements the following algorithm:
59 * <i>A Stemming procedure and stopword list for general French corpora.</i>
62 public class FrenchMinimalStemmer {
63 public int stem(char s[], int len) {
67 if (s[len-1] == 'x') {
68 if (s[len-3] == 'a' && s[len-2] == 'u')
73 if (s[len-1] == 's') len--;
74 if (s[len-1] == 'r') len--;
75 if (s[len-1] == 'e') len--;
76 if (s[len-1] == 'é') len--;
77 if (s[len-1] == s[len-2]) len--;