jdk/src/share/classes/sun/nio/cs/ext/JISAutoDetect.java
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6943119: Rebrand source copyright notices Reviewed-by: darcy, weijun
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/*
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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.ByteBuffer;
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import java.nio.CharBuffer;
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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.nio.charset.CoderResult;
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import java.nio.charset.CharacterCodingException;
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import java.nio.charset.MalformedInputException;
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import sun.nio.cs.HistoricallyNamedCharset;
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import java.security.AccessController;
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import sun.security.action.GetPropertyAction;
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import static java.lang.Character.UnicodeBlock;
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public class JISAutoDetect
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    extends Charset
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    implements HistoricallyNamedCharset
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{
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    private final static int EUCJP_MASK       = 0x01;
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    private final static int SJIS2B_MASK      = 0x02;
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    private final static int SJIS1B_MASK      = 0x04;
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    private final static int EUCJP_KANA1_MASK = 0x08;
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    private final static int EUCJP_KANA2_MASK = 0x10;
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    public JISAutoDetect() {
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        super("x-JISAutoDetect", ExtendedCharsets.aliasesFor("x-JISAutoDetect"));
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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 SJIS)
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                || (cs instanceof EUC_JP)
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                || (cs instanceof ISO2022_JP));
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    }
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    public boolean canEncode() {
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        return false;
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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 String historicalName() {
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        return "JISAutoDetect";
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    }
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    public CharsetEncoder newEncoder() {
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        throw new UnsupportedOperationException();
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    }
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    /**
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     * accessor methods used to share byte masking tables
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     * with the sun.io JISAutoDetect implementation
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     */
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    public byte[] getByteMask1() {
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        return Decoder.maskTable1;
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    }
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    public byte[] getByteMask2() {
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        return Decoder.maskTable2;
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    }
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    public final static boolean canBeSJIS1B(int mask) {
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        return (mask & SJIS1B_MASK) != 0;
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    }
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    public final static boolean canBeEUCJP(int mask) {
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        return (mask & EUCJP_MASK) != 0;
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    }
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    public final static boolean canBeEUCKana(int mask1, int mask2) {
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        return ((mask1 & EUCJP_KANA1_MASK) != 0)
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            && ((mask2 & EUCJP_KANA2_MASK) != 0);
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    }
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    // A heuristic algorithm for guessing if EUC-decoded text really
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    // might be Japanese text.  Better heuristics are possible...
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    private static boolean looksLikeJapanese(CharBuffer cb) {
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        int hiragana = 0;       // Fullwidth Hiragana
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        int katakana = 0;       // Halfwidth Katakana
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        while (cb.hasRemaining()) {
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            char c = cb.get();
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            if (0x3040 <= c && c <= 0x309f && ++hiragana > 1) return true;
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            if (0xff65 <= c && c <= 0xff9f && ++katakana > 1) return true;
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        }
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        return false;
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    }
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    private static class Decoder extends CharsetDecoder {
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        private final static String SJISName = getSJISName();
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        private final static String EUCJPName = getEUCJPName();
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        private DelegatableDecoder detectedDecoder = null;
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        public Decoder(Charset cs) {
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            super(cs, 0.5f, 1.0f);
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        }
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        private static boolean isPlainASCII(byte b) {
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            return b >= 0 && b != 0x1b;
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        }
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        private static void copyLeadingASCII(ByteBuffer src, CharBuffer dst) {
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            int start = src.position();
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            int limit = start + Math.min(src.remaining(), dst.remaining());
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            int p;
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            byte b;
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            for (p = start; p < limit && isPlainASCII(b = src.get(p)); p++)
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                dst.put((char)(b & 0xff));
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            src.position(p);
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        }
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        private CoderResult decodeLoop(Charset cs,
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                                       ByteBuffer src, CharBuffer dst) {
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            detectedDecoder = (DelegatableDecoder) cs.newDecoder();
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            return detectedDecoder.decodeLoop(src, dst);
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        }
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        protected CoderResult decodeLoop(ByteBuffer src, CharBuffer dst) {
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            if (detectedDecoder == null) {
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                copyLeadingASCII(src, dst);
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                // All ASCII?
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                if (! src.hasRemaining())
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                    return CoderResult.UNDERFLOW;
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                if (! dst.hasRemaining())
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                    return CoderResult.OVERFLOW;
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                // We need to perform double, not float, arithmetic; otherwise
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                // we lose low order bits when src is larger than 2**24.
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                int cbufsiz = (int)(src.limit() * (double)maxCharsPerByte());
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                CharBuffer sandbox = CharBuffer.allocate(cbufsiz);
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                // First try ISO-2022-JP, since there is no ambiguity
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                Charset cs2022 = Charset.forName("ISO-2022-JP");
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                DelegatableDecoder dd2022
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                    = (DelegatableDecoder) cs2022.newDecoder();
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                ByteBuffer src2022 = src.asReadOnlyBuffer();
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                CoderResult res2022 = dd2022.decodeLoop(src2022, sandbox);
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                if (! res2022.isError())
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                    return decodeLoop(cs2022, src, dst);
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                // We must choose between EUC and SJIS
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                Charset csEUCJ = Charset.forName(EUCJPName);
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                Charset csSJIS = Charset.forName(SJISName);
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                DelegatableDecoder ddEUCJ
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                    = (DelegatableDecoder) csEUCJ.newDecoder();
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                ByteBuffer srcEUCJ = src.asReadOnlyBuffer();
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                sandbox.clear();
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                CoderResult resEUCJ = ddEUCJ.decodeLoop(srcEUCJ, sandbox);
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                // If EUC decoding fails, must be SJIS
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                if (resEUCJ.isError())
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                    return decodeLoop(csSJIS, src, dst);
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                DelegatableDecoder ddSJIS
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                    = (DelegatableDecoder) csSJIS.newDecoder();
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                ByteBuffer srcSJIS = src.asReadOnlyBuffer();
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                CharBuffer sandboxSJIS = CharBuffer.allocate(cbufsiz);
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                CoderResult resSJIS = ddSJIS.decodeLoop(srcSJIS, sandboxSJIS);
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                // If SJIS decoding fails, must be EUC
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                if (resSJIS.isError())
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                    return decodeLoop(csEUCJ, src, dst);
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                // From here on, we have some ambiguity, and must guess.
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                // We prefer input that does not appear to end mid-character.
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                if (srcEUCJ.position() > srcSJIS.position())
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                    return decodeLoop(csEUCJ, src, dst);
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                if (srcEUCJ.position() < srcSJIS.position())
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                    return decodeLoop(csSJIS, src, dst);
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diff changeset
   204
                // end-of-input is after the first byte of the first char?
90ce3da70b43 Initial load
duke
parents:
diff changeset
   205
                if (src.position() == srcEUCJ.position())
90ce3da70b43 Initial load
duke
parents:
diff changeset
   206
                    return CoderResult.UNDERFLOW;
90ce3da70b43 Initial load
duke
parents:
diff changeset
   207
90ce3da70b43 Initial load
duke
parents:
diff changeset
   208
                // Use heuristic knowledge of typical Japanese text
90ce3da70b43 Initial load
duke
parents:
diff changeset
   209
                sandbox.flip();
90ce3da70b43 Initial load
duke
parents:
diff changeset
   210
                Charset guess = looksLikeJapanese(sandbox) ? csEUCJ : csSJIS;
90ce3da70b43 Initial load
duke
parents:
diff changeset
   211
                return decodeLoop(guess, src, dst);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   212
            }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   213
90ce3da70b43 Initial load
duke
parents:
diff changeset
   214
            return detectedDecoder.decodeLoop(src, dst);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   215
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   216
90ce3da70b43 Initial load
duke
parents:
diff changeset
   217
        protected void implReset() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   218
            detectedDecoder = null;
90ce3da70b43 Initial load
duke
parents:
diff changeset
   219
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   220
90ce3da70b43 Initial load
duke
parents:
diff changeset
   221
        protected CoderResult implFlush(CharBuffer out) {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   222
            if (detectedDecoder != null)
90ce3da70b43 Initial load
duke
parents:
diff changeset
   223
                return detectedDecoder.implFlush(out);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   224
            else
90ce3da70b43 Initial load
duke
parents:
diff changeset
   225
                return super.implFlush(out);
90ce3da70b43 Initial load
duke
parents:
diff changeset
   226
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   227
90ce3da70b43 Initial load
duke
parents:
diff changeset
   228
        public boolean isAutoDetecting() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   229
            return true;
90ce3da70b43 Initial load
duke
parents:
diff changeset
   230
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   231
90ce3da70b43 Initial load
duke
parents:
diff changeset
   232
        public boolean isCharsetDetected() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   233
            return detectedDecoder != null;
90ce3da70b43 Initial load
duke
parents:
diff changeset
   234
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   235
90ce3da70b43 Initial load
duke
parents:
diff changeset
   236
        public Charset detectedCharset() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   237
            if (detectedDecoder == null)
90ce3da70b43 Initial load
duke
parents:
diff changeset
   238
                throw new IllegalStateException("charset not yet detected");
90ce3da70b43 Initial load
duke
parents:
diff changeset
   239
            return ((CharsetDecoder) detectedDecoder).charset();
90ce3da70b43 Initial load
duke
parents:
diff changeset
   240
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   241
90ce3da70b43 Initial load
duke
parents:
diff changeset
   242
        /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
   243
         * Returned Shift_JIS Charset name is OS dependent
90ce3da70b43 Initial load
duke
parents:
diff changeset
   244
         */
90ce3da70b43 Initial load
duke
parents:
diff changeset
   245
        private static String getSJISName() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   246
            String osName = AccessController.doPrivileged(
90ce3da70b43 Initial load
duke
parents:
diff changeset
   247
                new GetPropertyAction("os.name"));
90ce3da70b43 Initial load
duke
parents:
diff changeset
   248
            if (osName.equals("Solaris") || osName.equals("SunOS"))
90ce3da70b43 Initial load
duke
parents:
diff changeset
   249
                return("PCK");
90ce3da70b43 Initial load
duke
parents:
diff changeset
   250
            else if (osName.startsWith("Windows"))
90ce3da70b43 Initial load
duke
parents:
diff changeset
   251
                return("windows-31J");
90ce3da70b43 Initial load
duke
parents:
diff changeset
   252
            else
90ce3da70b43 Initial load
duke
parents:
diff changeset
   253
                return("Shift_JIS");
90ce3da70b43 Initial load
duke
parents:
diff changeset
   254
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   255
90ce3da70b43 Initial load
duke
parents:
diff changeset
   256
        /**
90ce3da70b43 Initial load
duke
parents:
diff changeset
   257
         * Returned EUC-JP Charset name is OS dependent
90ce3da70b43 Initial load
duke
parents:
diff changeset
   258
         */
90ce3da70b43 Initial load
duke
parents:
diff changeset
   259
90ce3da70b43 Initial load
duke
parents:
diff changeset
   260
        private static String getEUCJPName() {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   261
            String osName = AccessController.doPrivileged(
90ce3da70b43 Initial load
duke
parents:
diff changeset
   262
                new GetPropertyAction("os.name"));
90ce3da70b43 Initial load
duke
parents:
diff changeset
   263
            if (osName.equals("Solaris") || osName.equals("SunOS"))
90ce3da70b43 Initial load
duke
parents:
diff changeset
   264
                return("x-eucjp-open");
90ce3da70b43 Initial load
duke
parents:
diff changeset
   265
            else
90ce3da70b43 Initial load
duke
parents:
diff changeset
   266
                return("EUC_JP");
90ce3da70b43 Initial load
duke
parents:
diff changeset
   267
        }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   268
90ce3da70b43 Initial load
duke
parents:
diff changeset
   269
        // Mask tables - each entry indicates possibility of first or
90ce3da70b43 Initial load
duke
parents:
diff changeset
   270
        // second byte being SJIS or EUC_JP
90ce3da70b43 Initial load
duke
parents:
diff changeset
   271
        private static final byte maskTable1[] = {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   272
            0, 0, 0, 0, // 0x00 - 0x03
90ce3da70b43 Initial load
duke
parents:
diff changeset
   273
            0, 0, 0, 0, // 0x04 - 0x07
90ce3da70b43 Initial load
duke
parents:
diff changeset
   274
            0, 0, 0, 0, // 0x08 - 0x0b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   275
            0, 0, 0, 0, // 0x0c - 0x0f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   276
            0, 0, 0, 0, // 0x10 - 0x13
90ce3da70b43 Initial load
duke
parents:
diff changeset
   277
            0, 0, 0, 0, // 0x14 - 0x17
90ce3da70b43 Initial load
duke
parents:
diff changeset
   278
            0, 0, 0, 0, // 0x18 - 0x1b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   279
            0, 0, 0, 0, // 0x1c - 0x1f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   280
            0, 0, 0, 0, // 0x20 - 0x23
90ce3da70b43 Initial load
duke
parents:
diff changeset
   281
            0, 0, 0, 0, // 0x24 - 0x27
90ce3da70b43 Initial load
duke
parents:
diff changeset
   282
            0, 0, 0, 0, // 0x28 - 0x2b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   283
            0, 0, 0, 0, // 0x2c - 0x2f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   284
            0, 0, 0, 0, // 0x30 - 0x33
90ce3da70b43 Initial load
duke
parents:
diff changeset
   285
            0, 0, 0, 0, // 0x34 - 0x37
90ce3da70b43 Initial load
duke
parents:
diff changeset
   286
            0, 0, 0, 0, // 0x38 - 0x3b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   287
            0, 0, 0, 0, // 0x3c - 0x3f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   288
            0, 0, 0, 0, // 0x40 - 0x43
90ce3da70b43 Initial load
duke
parents:
diff changeset
   289
            0, 0, 0, 0, // 0x44 - 0x47
90ce3da70b43 Initial load
duke
parents:
diff changeset
   290
            0, 0, 0, 0, // 0x48 - 0x4b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   291
            0, 0, 0, 0, // 0x4c - 0x4f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   292
            0, 0, 0, 0, // 0x50 - 0x53
90ce3da70b43 Initial load
duke
parents:
diff changeset
   293
            0, 0, 0, 0, // 0x54 - 0x57
90ce3da70b43 Initial load
duke
parents:
diff changeset
   294
            0, 0, 0, 0, // 0x58 - 0x5b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   295
            0, 0, 0, 0, // 0x5c - 0x5f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   296
            0, 0, 0, 0, // 0x60 - 0x63
90ce3da70b43 Initial load
duke
parents:
diff changeset
   297
            0, 0, 0, 0, // 0x64 - 0x67
90ce3da70b43 Initial load
duke
parents:
diff changeset
   298
            0, 0, 0, 0, // 0x68 - 0x6b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   299
            0, 0, 0, 0, // 0x6c - 0x6f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   300
            0, 0, 0, 0, // 0x70 - 0x73
90ce3da70b43 Initial load
duke
parents:
diff changeset
   301
            0, 0, 0, 0, // 0x74 - 0x77
90ce3da70b43 Initial load
duke
parents:
diff changeset
   302
            0, 0, 0, 0, // 0x78 - 0x7b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   303
            0, 0, 0, 0, // 0x7c - 0x7f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   304
            0, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK,   // 0x80 - 0x83
90ce3da70b43 Initial load
duke
parents:
diff changeset
   305
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x84 - 0x87
90ce3da70b43 Initial load
duke
parents:
diff changeset
   306
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x88 - 0x8b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   307
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK,   // 0x8c - 0x8f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   308
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x90 - 0x93
90ce3da70b43 Initial load
duke
parents:
diff changeset
   309
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x94 - 0x97
90ce3da70b43 Initial load
duke
parents:
diff changeset
   310
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x98 - 0x9b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   311
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x9c - 0x9f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   312
            0, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,  // 0xa0 - 0xa3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   313
            SJIS1B_MASK|EUCJP_MASK|EUCJP_KANA1_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,    // 0xa4 - 0xa7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   314
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xa8 - 0xab
90ce3da70b43 Initial load
duke
parents:
diff changeset
   315
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xac - 0xaf
90ce3da70b43 Initial load
duke
parents:
diff changeset
   316
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xb0 - 0xb3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   317
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xb4 - 0xb7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   318
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xb8 - 0xbb
90ce3da70b43 Initial load
duke
parents:
diff changeset
   319
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xbc - 0xbf
90ce3da70b43 Initial load
duke
parents:
diff changeset
   320
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xc0 - 0xc3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   321
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xc4 - 0xc7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   322
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xc8 - 0xcb
90ce3da70b43 Initial load
duke
parents:
diff changeset
   323
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xcc - 0xcf
90ce3da70b43 Initial load
duke
parents:
diff changeset
   324
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xd0 - 0xd3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   325
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xd4 - 0xd7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   326
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xd8 - 0xdb
90ce3da70b43 Initial load
duke
parents:
diff changeset
   327
            SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK, SJIS1B_MASK|EUCJP_MASK,     // 0xdc - 0xdf
90ce3da70b43 Initial load
duke
parents:
diff changeset
   328
            SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK,     // 0xe0 - 0xe3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   329
            SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK,     // 0xe4 - 0xe7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   330
            SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK,     // 0xe8 - 0xeb
90ce3da70b43 Initial load
duke
parents:
diff changeset
   331
            SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK,     // 0xec - 0xef
90ce3da70b43 Initial load
duke
parents:
diff changeset
   332
            SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK,     // 0xf0 - 0xf3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   333
            SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK,     // 0xf4 - 0xf7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   334
            SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK,     // 0xf8 - 0xfb
90ce3da70b43 Initial load
duke
parents:
diff changeset
   335
            SJIS2B_MASK|EUCJP_MASK, EUCJP_MASK, EUCJP_MASK, 0   // 0xfc - 0xff
90ce3da70b43 Initial load
duke
parents:
diff changeset
   336
        };
90ce3da70b43 Initial load
duke
parents:
diff changeset
   337
90ce3da70b43 Initial load
duke
parents:
diff changeset
   338
        private static final byte maskTable2[] = {
90ce3da70b43 Initial load
duke
parents:
diff changeset
   339
            0, 0, 0, 0, // 0x00 - 0x03
90ce3da70b43 Initial load
duke
parents:
diff changeset
   340
            0, 0, 0, 0, // 0x04 - 0x07
90ce3da70b43 Initial load
duke
parents:
diff changeset
   341
            0, 0, 0, 0, // 0x08 - 0x0b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   342
            0, 0, 0, 0, // 0x0c - 0x0f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   343
            0, 0, 0, 0, // 0x10 - 0x13
90ce3da70b43 Initial load
duke
parents:
diff changeset
   344
            0, 0, 0, 0, // 0x14 - 0x17
90ce3da70b43 Initial load
duke
parents:
diff changeset
   345
            0, 0, 0, 0, // 0x18 - 0x1b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   346
            0, 0, 0, 0, // 0x1c - 0x1f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   347
            0, 0, 0, 0, // 0x20 - 0x23
90ce3da70b43 Initial load
duke
parents:
diff changeset
   348
            0, 0, 0, 0, // 0x24 - 0x27
90ce3da70b43 Initial load
duke
parents:
diff changeset
   349
            0, 0, 0, 0, // 0x28 - 0x2b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   350
            0, 0, 0, 0, // 0x2c - 0x2f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   351
            0, 0, 0, 0, // 0x30 - 0x33
90ce3da70b43 Initial load
duke
parents:
diff changeset
   352
            0, 0, 0, 0, // 0x34 - 0x37
90ce3da70b43 Initial load
duke
parents:
diff changeset
   353
            0, 0, 0, 0, // 0x38 - 0x3b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   354
            0, 0, 0, 0, // 0x3c - 0x3f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   355
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x40 - 0x43
90ce3da70b43 Initial load
duke
parents:
diff changeset
   356
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x44 - 0x47
90ce3da70b43 Initial load
duke
parents:
diff changeset
   357
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x48 - 0x4b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   358
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x4c - 0x4f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   359
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x50 - 0x53
90ce3da70b43 Initial load
duke
parents:
diff changeset
   360
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x54 - 0x57
90ce3da70b43 Initial load
duke
parents:
diff changeset
   361
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x58 - 0x5b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   362
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x5c - 0x5f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   363
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x60 - 0x63
90ce3da70b43 Initial load
duke
parents:
diff changeset
   364
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x64 - 0x67
90ce3da70b43 Initial load
duke
parents:
diff changeset
   365
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x68 - 0x6b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   366
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x6c - 0x6f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   367
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x70 - 0x73
90ce3da70b43 Initial load
duke
parents:
diff changeset
   368
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x74 - 0x77
90ce3da70b43 Initial load
duke
parents:
diff changeset
   369
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x78 - 0x7b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   370
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, 0,   // 0x7c - 0x7f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   371
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x80 - 0x83
90ce3da70b43 Initial load
duke
parents:
diff changeset
   372
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x84 - 0x87
90ce3da70b43 Initial load
duke
parents:
diff changeset
   373
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x88 - 0x8b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   374
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x8c - 0x8f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   375
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x90 - 0x93
90ce3da70b43 Initial load
duke
parents:
diff changeset
   376
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x94 - 0x97
90ce3da70b43 Initial load
duke
parents:
diff changeset
   377
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x98 - 0x9b
90ce3da70b43 Initial load
duke
parents:
diff changeset
   378
            SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, SJIS2B_MASK, // 0x9c - 0x9f
90ce3da70b43 Initial load
duke
parents:
diff changeset
   379
            SJIS2B_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xa0 - 0xa3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   380
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xa4 - 0xa7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   381
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xa8 - 0xab
90ce3da70b43 Initial load
duke
parents:
diff changeset
   382
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xac - 0xaf
90ce3da70b43 Initial load
duke
parents:
diff changeset
   383
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xb0 - 0xb3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   384
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xb4 - 0xb7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   385
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xb8 - 0xbb
90ce3da70b43 Initial load
duke
parents:
diff changeset
   386
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xbc - 0xbf
90ce3da70b43 Initial load
duke
parents:
diff changeset
   387
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xc0 - 0xc3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   388
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xc4 - 0xc7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   389
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xc8 - 0xcb
90ce3da70b43 Initial load
duke
parents:
diff changeset
   390
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xcc - 0xcf
90ce3da70b43 Initial load
duke
parents:
diff changeset
   391
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xd0 - 0xd3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   392
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xd4 - 0xd7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   393
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xd8 - 0xdb
90ce3da70b43 Initial load
duke
parents:
diff changeset
   394
            SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS1B_MASK|SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xdc - 0xdf
90ce3da70b43 Initial load
duke
parents:
diff changeset
   395
            SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xe0 - 0xe3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   396
            SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xe4 - 0xe7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   397
            SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xe8 - 0xeb
90ce3da70b43 Initial load
duke
parents:
diff changeset
   398
            SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xec - 0xef
90ce3da70b43 Initial load
duke
parents:
diff changeset
   399
            SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, SJIS2B_MASK|EUCJP_MASK|EUCJP_KANA2_MASK, // 0xf0 - 0xf3
90ce3da70b43 Initial load
duke
parents:
diff changeset
   400
            SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK,     // 0xf4 - 0xf7
90ce3da70b43 Initial load
duke
parents:
diff changeset
   401
            SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK, SJIS2B_MASK|EUCJP_MASK,     // 0xf8 - 0xfb
90ce3da70b43 Initial load
duke
parents:
diff changeset
   402
            SJIS2B_MASK|EUCJP_MASK, EUCJP_MASK, EUCJP_MASK, 0   // 0xfc - 0xff
90ce3da70b43 Initial load
duke
parents:
diff changeset
   403
        };
90ce3da70b43 Initial load
duke
parents:
diff changeset
   404
    }
90ce3da70b43 Initial load
duke
parents:
diff changeset
   405
}