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.common; 18 19 import javax.annotation.Nonnull; 20 21 /** 22 * An immutable class that encapsulates a snapshot of word composition data. 23 */ 24 public class ComposedData { 25 @Nonnull 26 public final InputPointers mInputPointers; 27 public final boolean mIsBatchMode; 28 @Nonnull 29 public final String mTypedWord; 30 ComposedData(@onnull final InputPointers inputPointers, final boolean isBatchMode, @Nonnull final String typedWord)31 public ComposedData(@Nonnull final InputPointers inputPointers, final boolean isBatchMode, 32 @Nonnull final String typedWord) { 33 mInputPointers = inputPointers; 34 mIsBatchMode = isBatchMode; 35 mTypedWord = typedWord; 36 } 37 38 /** 39 * Copy the code points in the typed word to a destination array of ints. 40 * 41 * If the array is too small to hold the code points in the typed word, nothing is copied and 42 * -1 is returned. 43 * 44 * @param destination the array of ints. 45 * @return the number of copied code points. 46 */ copyCodePointsExceptTrailingSingleQuotesAndReturnCodePointCount( @onnull final int[] destination)47 public int copyCodePointsExceptTrailingSingleQuotesAndReturnCodePointCount( 48 @Nonnull final int[] destination) { 49 // lastIndex is exclusive 50 final int lastIndex = mTypedWord.length() 51 - StringUtils.getTrailingSingleQuotesCount(mTypedWord); 52 if (lastIndex <= 0) { 53 // The string is empty or contains only single quotes. 54 return 0; 55 } 56 57 // The following function counts the number of code points in the text range which begins 58 // at index 0 and extends to the character at lastIndex. 59 final int codePointSize = Character.codePointCount(mTypedWord, 0, lastIndex); 60 if (codePointSize > destination.length) { 61 return -1; 62 } 63 return StringUtils.copyCodePointsAndReturnCodePointCount(destination, mTypedWord, 0, 64 lastIndex, true /* downCase */); 65 } 66 } 67