src/jdk.charsets/share/classes/sun/nio/cs/ext/IBM942C.java.template
author prr
Tue, 24 Sep 2019 09:09:15 -0700
changeset 58593 da02c2254989
parent 49832 9c52da3b7819
permissions -rw-r--r--
8231243: [TESTBUG] CustomFont.java cannot find font file Reviewed-by: serb
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/*
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 * Copyright (c) 2003, 2018, 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 $PACKAGE$;
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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 java.util.Arrays;
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import sun.nio.cs.DoubleByte;
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import sun.nio.cs.HistoricallyNamedCharset;
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import static sun.nio.cs.CharsetMapping.*;
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public class IBM942C extends Charset implements HistoricallyNamedCharset
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{
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    public IBM942C() {
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        super("x-IBM942C", $ALIASES$);
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    }
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    public String historicalName() {
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        return "Cp942C";
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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 IBM942C));
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    }
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    public CharsetDecoder newDecoder() {
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        return new DoubleByte.Decoder(this,
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                                      IBM942.b2c,
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                                      b2cSB,
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                                      0x40,
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                                      0xfc);
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    }
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    public CharsetEncoder newEncoder() {
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        return new DoubleByte.Encoder(this, c2b, c2bIndex);
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    }
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    final static char[] b2cSB;
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    final static char[] c2b;
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    final static char[] c2bIndex;
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    static {
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        IBM942.initb2c();
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        // the mappings need udpate are
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        //    u+001a  <-> 0x1a
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        //    u+001c  <-> 0x1c
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        //    u+005c  <-> 0x5c
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        //    u+007e  <-> 0x7e
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        //    u+007f  <-> 0x7f
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        b2cSB = Arrays.copyOf(IBM942.b2cSB, IBM942.b2cSB.length);
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        b2cSB[0x1a] = 0x1a;
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        b2cSB[0x1c] = 0x1c;
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        b2cSB[0x5c] = 0x5c;
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        b2cSB[0x7e] = 0x7e;
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        b2cSB[0x7f] = 0x7f;
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        IBM942.initc2b();
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        c2b = Arrays.copyOf(IBM942.c2b, IBM942.c2b.length);
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        c2bIndex = Arrays.copyOf(IBM942.c2bIndex, IBM942.c2bIndex.length);
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        c2b[c2bIndex[0] + 0x1a] = 0x1a;
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        c2b[c2bIndex[0] + 0x1c] = 0x1c;
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        c2b[c2bIndex[0] + 0x5c] = 0x5c;
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        c2b[c2bIndex[0] + 0x7e] = 0x7e;
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        c2b[c2bIndex[0] + 0x7f] = 0x7f;
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    }
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}