1 /* 2 * Copyright (C) 2013 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.makedict; 18 19 import com.android.inputmethod.annotations.UsedForTesting; 20 import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString; 21 22 import java.io.File; 23 import java.io.IOException; 24 import java.util.ArrayList; 25 26 /** 27 * An implementation of DictUpdater for version 4 binary dictionary. 28 */ 29 @UsedForTesting 30 public class Ver4DictUpdater extends Ver4DictDecoder implements DictUpdater { 31 32 @UsedForTesting 33 public Ver4DictUpdater(final File dictDirectory, final int factoryType) { 34 // DictUpdater must have an updatable DictBuffer. 35 super(dictDirectory, ((factoryType & MASK_DICTBUFFER) == USE_BYTEARRAY) 36 ? USE_BYTEARRAY : USE_WRITABLE_BYTEBUFFER); 37 } 38 39 @Override 40 public void deleteWord(final String word) throws IOException, UnsupportedFormatException { 41 if (mDictBuffer == null) openDictBuffer(); 42 readHeader(); 43 final int wordPos = getTerminalPosition(word); 44 if (wordPos != FormatSpec.NOT_VALID_WORD) { 45 mDictBuffer.position(wordPos); 46 final int flags = PtNodeReader.readPtNodeOptionFlags(mDictBuffer); 47 mDictBuffer.position(wordPos); 48 mDictBuffer.put((byte) DynamicBinaryDictIOUtils.markAsDeleted(flags)); 49 } 50 } 51 52 @Override 53 public void insertWord(final String word, final int frequency, 54 final ArrayList<WeightedString> bigramStrings, final ArrayList<WeightedString> shortcuts, 55 final boolean isNotAWord, final boolean isBlackListEntry) 56 throws IOException, UnsupportedFormatException { 57 // TODO: Implement this method. 58 } 59 } 60
