82 lines
2.1 KiB
Java
82 lines
2.1 KiB
Java
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.latin.utils;
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import com.android.inputmethod.latin.makedict.BinaryDictDecoderUtils.DictBuffer;
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/**
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* This class provides an implementation for the FusionDictionary buffer interface that is backed
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* by a simpled byte array. It allows to create a binary dictionary in memory.
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*/
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public final class ByteArrayDictBuffer implements DictBuffer {
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private byte[] mBuffer;
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private int mPosition;
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public ByteArrayDictBuffer(final byte[] buffer) {
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mBuffer = buffer;
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mPosition = 0;
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}
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@Override
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public int readUnsignedByte() {
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return mBuffer[mPosition++] & 0xFF;
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}
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@Override
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public int readUnsignedShort() {
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final int retval = readUnsignedByte();
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return (retval << 8) + readUnsignedByte();
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}
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@Override
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public int readUnsignedInt24() {
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final int retval = readUnsignedShort();
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return (retval << 8) + readUnsignedByte();
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}
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@Override
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public int readInt() {
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final int retval = readUnsignedShort();
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return (retval << 16) + readUnsignedShort();
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}
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@Override
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public int position() {
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return mPosition;
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}
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@Override
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public void position(int position) {
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mPosition = position;
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}
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@Override
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public void put(final byte b) {
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mBuffer[mPosition++] = b;
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}
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@Override
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public int limit() {
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return mBuffer.length - 1;
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}
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@Override
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public int capacity() {
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return mBuffer.length;
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}
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}
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