jdk/make/tools/CharsetMapping/SingleByte-X.java
author sherman
Wed, 10 Dec 2008 14:03:15 -0800
changeset 1713 f8b8bfa64fc1
permissions -rw-r--r--
6642323: Speeding up Single Byte Decoders 6642328: Speeding up Single Byte Encoders Summary: re-implementation of mapping based sbcs charts Reviewed-by: alanb

/*
 * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package $PACKAGE$;

import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import sun.nio.cs.StandardCharsets;
import sun.nio.cs.SingleByte;
import sun.nio.cs.HistoricallyNamedCharset;
import static sun.nio.cs.CharsetMapping.*;

public class $NAME_CLZ$ extends Charset implements HistoricallyNamedCharset
{
    public $NAME_CLZ$() {
        super("$NAME_CS$", $NAME_ALIASES$);
    }

    public String historicalName() {
        return "$NAME_HIS$";
    }

    public boolean contains(Charset cs) {
        $CONTAINS$;
    }

    public CharsetDecoder newDecoder() {
        return new SingleByte.Decoder(this, b2c);
    }

    public CharsetEncoder newEncoder() {
        return new SingleByte.Encoder(this, c2b, c2bIndex);
    }

    public String getDecoderSingleByteMappings() {
        return b2cTable;
    }

    public char[] getEncoderIndex2() {
        return c2b;
    }

    public char[] getEncoderIndex1() {
        return c2bIndex;
    }

    private final static String b2cTable = $B2CTABLE$

    private final static char[] b2c = b2cTable.toCharArray();
    private final static char[] c2b = new char[$C2BLENGTH$];
    private final static char[] c2bIndex = new char[0x100];

    static {
        char[] b2cMap = b2c;
        char[] c2bNR = null;
        $NONROUNDTRIP_B2C$
        $NONROUNDTRIP_C2B$
        SingleByte.initC2B(b2cMap, c2bNR, c2b, c2bIndex);
    }
}