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 17 package com.android.inputmethod.latin; 18 19 import com.android.inputmethod.latin.common.Constants; 20 21 import java.util.Locale; 22 23 /** 24 * Utility methods related contacts dictionary. 25 */ 26 public class ContactsDictionaryUtils { 27 28 /** 29 * Returns the index of the last letter in the word, starting from position startIndex. 30 */ getWordEndPosition(final String string, final int len, final int startIndex)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 */ useFirstLastBigramsForLocale(final Locale locale)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