src/jdk.charsets/share/classes/sun/nio/cs/ext/Big5_HKSCS_2001.java
author mgronlun
Wed, 30 Oct 2019 11:28:38 +0100
branchJEP-349-branch
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/*
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 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package sun.nio.cs.ext;
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import java.nio.charset.Charset;
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import java.nio.charset.CharsetDecoder;
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import java.nio.charset.CharsetEncoder;
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import sun.nio.cs.DoubleByte;
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import sun.nio.cs.HistoricallyNamedCharset;
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import sun.nio.cs.*;
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public class Big5_HKSCS_2001 extends Charset
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{
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    public Big5_HKSCS_2001() {
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        super("x-Big5-HKSCS-2001", ExtendedCharsets.aliasesFor("x-Big5-HKSCS-2001"));
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    }
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    public boolean contains(Charset cs) {
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        return ((cs.name().equals("US-ASCII"))
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                || (cs instanceof Big5)
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                || (cs instanceof Big5_HKSCS_2001));
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    }
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    public CharsetDecoder newDecoder() {
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        return new Decoder(this);
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    }
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    public CharsetEncoder newEncoder() {
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        return new Encoder(this);
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    }
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    private static class Decoder extends HKSCS.Decoder {
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        private static DoubleByte.Decoder big5 =
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            (DoubleByte.Decoder)new Big5().newDecoder();
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        private static char[][] b2cBmp = new char[0x100][];
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        private static char[][] b2cSupp = new char[0x100][];
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        static {
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            initb2c(b2cBmp, HKSCS2001Mapping.b2cBmpStr);
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            initb2c(b2cSupp, HKSCS2001Mapping.b2cSuppStr);
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        }
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        private Decoder(Charset cs) {
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            super(cs, big5, b2cBmp, b2cSupp);
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        }
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    }
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    private static class Encoder extends HKSCS.Encoder {
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        private static DoubleByte.Encoder big5 =
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            (DoubleByte.Encoder)new Big5().newEncoder();
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        static char[][] c2bBmp = new char[0x100][];
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        static char[][] c2bSupp = new char[0x100][];
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        static {
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            initc2b(c2bBmp, HKSCS2001Mapping.b2cBmpStr,
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                    HKSCS2001Mapping.pua);
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            initc2b(c2bSupp, HKSCS2001Mapping.b2cSuppStr, null);
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        }
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        private Encoder(Charset cs) {
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            super(cs, big5, c2bBmp, c2bSupp);
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        }
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    }
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}