88 lines
2.9 KiB
Java
88 lines
2.9 KiB
Java
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/* GENERATED SOURCE. DO NOT MODIFY. */
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// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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******************************************************************************
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* Copyright (C) 2003-2015, International Business Machines Corporation and
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* others. All Rights Reserved.
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******************************************************************************
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*
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* Created on May 2, 2003
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*
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* To change the template for this generated file go to
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* Window>Preferences>Java>Code Generation>Code and Comments
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*/
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package android.icu.impl;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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/**
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* @author ram
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*
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* To change the template for this generated type comment go to
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* Window>Preferences>Java>Code Generation>Code and Comments
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* @hide Only a subset of ICU is exposed in Android
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*/
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public final class StringPrepDataReader implements ICUBinary.Authenticate {
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private final static boolean debug = ICUDebug.enabled("NormalizerDataReader");
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/**
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* <p>private constructor.</p>
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* @param bytes ICU StringPrep data file buffer
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* @exception IOException throw if data file fails authentication
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*/
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public StringPrepDataReader(ByteBuffer bytes)
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throws IOException{
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if(debug) System.out.println("Bytes in buffer " + bytes.remaining());
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byteBuffer = bytes;
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unicodeVersion = ICUBinary.readHeader(byteBuffer, DATA_FORMAT_ID, this);
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if(debug) System.out.println("Bytes left in byteBuffer " + byteBuffer.remaining());
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}
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public char[] read(int length) throws IOException{
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//Read the extra data
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return ICUBinary.getChars(byteBuffer, length, 0);
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}
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@Override
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public boolean isDataVersionAcceptable(byte version[]){
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return version[0] == DATA_FORMAT_VERSION[0]
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&& version[2] == DATA_FORMAT_VERSION[2]
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&& version[3] == DATA_FORMAT_VERSION[3];
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}
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public int[] readIndexes(int length)throws IOException{
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int[] indexes = new int[length];
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//Read the indexes
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for (int i = 0; i <length ; i++) {
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indexes[i] = byteBuffer.getInt();
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}
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return indexes;
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}
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public byte[] getUnicodeVersion(){
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return ICUBinary.getVersionByteArrayFromCompactInt(unicodeVersion);
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}
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// private data members -------------------------------------------------
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/**
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* ICU data file input stream
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*/
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private ByteBuffer byteBuffer;
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private int unicodeVersion;
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/**
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* File format version that this class understands.
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* No guarantees are made if a older version is used
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* see store.c of gennorm for more information and values
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*/
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///* dataFormat="SPRP" 0x53, 0x50, 0x52, 0x50 */
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private static final int DATA_FORMAT_ID = 0x53505250;
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private static final byte DATA_FORMAT_VERSION[] = {(byte)0x3, (byte)0x2,
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(byte)0x5, (byte)0x2};
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}
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