| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed 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 com.android.inputmethod.latin.utils; |
| |
| import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.DictBuffer; |
| |
| /** |
| * This class provides an implementation for the FusionDictionary buffer interface that is backed |
| * by a simpled byte array. It allows to create a binary dictionary in memory. |
| */ |
| public final class ByteArrayDictBuffer implements DictBuffer { |
| private byte[] mBuffer; |
| private int mPosition; |
| |
| public ByteArrayDictBuffer(final byte[] buffer) { |
| mBuffer = buffer; |
| mPosition = 0; |
| } |
| |
| @Override |
| public int readUnsignedByte() { |
| return mBuffer[mPosition++] & 0xFF; |
| } |
| |
| @Override |
| public int readUnsignedShort() { |
| final int retval = readUnsignedByte(); |
| return (retval << 8) + readUnsignedByte(); |
| } |
| |
| @Override |
| public int readUnsignedInt24() { |
| final int retval = readUnsignedShort(); |
| return (retval << 8) + readUnsignedByte(); |
| } |
| |
| @Override |
| public int readInt() { |
| final int retval = readUnsignedShort(); |
| return (retval << 16) + readUnsignedShort(); |
| } |
| |
| @Override |
| public int position() { |
| return mPosition; |
| } |
| |
| @Override |
| public void position(int position) { |
| mPosition = position; |
| } |
| |
| @Override |
| public void put(final byte b) { |
| mBuffer[mPosition++] = b; |
| } |
| |
| @Override |
| public int limit() { |
| return mBuffer.length - 1; |
| } |
| |
| @Override |
| public int capacity() { |
| return mBuffer.length; |
| } |
| } |