| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.lucene.analysis.es; |
| |
| /** |
| * Minimal plural stemmer for Spanish. |
| * |
| * <p>This stemmer implements the "plurals" stemmer for spanish lanugage. |
| */ |
| public class SpanishMinimalStemmer { |
| |
| public int stem(char s[], int len) { |
| if (len < 4 || s[len - 1] != 's') return len; |
| |
| for (int i = 0; i < len; i++) |
| switch (s[i]) { |
| case 'à': |
| case 'á': |
| case 'â': |
| case 'ä': |
| s[i] = 'a'; |
| break; |
| case 'ò': |
| case 'ó': |
| case 'ô': |
| case 'ö': |
| s[i] = 'o'; |
| break; |
| case 'è': |
| case 'é': |
| case 'ê': |
| case 'ë': |
| s[i] = 'e'; |
| break; |
| case 'ù': |
| case 'ú': |
| case 'û': |
| case 'ü': |
| s[i] = 'u'; |
| break; |
| case 'ì': |
| case 'í': |
| case 'î': |
| case 'ï': |
| s[i] = 'i'; |
| break; |
| case 'ñ': |
| s[i] = 'n'; |
| break; |
| } |
| |
| switch (s[len - 1]) { |
| case 's': |
| if (s[len - 2] == 'a' || s[len - 2] == 'o') { |
| return len - 1; |
| } |
| if (s[len - 2] == 'e') { |
| if (s[len - 3] == 's' && s[len - 4] == 'e') { |
| return len - 2; |
| } |
| if (s[len - 3] == 'c') { |
| s[len - 3] = 'z'; |
| return len - 2; |
| } else { |
| return len - 2; |
| } |
| } else { |
| return len - 1; |
| } |
| } |
| |
| return len; |
| } |
| } |