1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.inputmethod.latin;
18
19import com.android.inputmethod.latin.common.Constants;
20
21import java.util.Locale;
22
23/**
24 * Utility methods related contacts dictionary.
25 */
26public class ContactsDictionaryUtils {
27
28    /**
29     * Returns the index of the last letter in the word, starting from position startIndex.
30     */
31    public static int getWordEndPosition(final String string, final int len,
32            final int startIndex) {
33        int end;
34        int cp = 0;
35        for (end = startIndex + 1; end < len; end += Character.charCount(cp)) {
36            cp = string.codePointAt(end);
37            if (cp != Constants.CODE_DASH && cp != Constants.CODE_SINGLE_QUOTE
38                   && !Character.isLetter(cp)) {
39                break;
40            }
41        }
42        return end;
43    }
44
45    /**
46     * Returns true if the locale supports using first name and last name as bigrams.
47     */
48    public static boolean useFirstLastBigramsForLocale(final Locale locale) {
49        // TODO: Add firstname/lastname bigram rules for other languages.
50        if (locale != null && locale.getLanguage().equals(Locale.ENGLISH.getLanguage())) {
51            return true;
52        }
53        return false;
54    }
55}
56