93 lines
3.1 KiB
Java
93 lines
3.1 KiB
Java
/*
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* Copyright (c) 2003, 2004, 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 java.util.Arrays;
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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", ExtendedCharsets.aliasesFor("x-IBM942C"));
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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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}
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