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/* * Copyright (c) 2002, 2006, Oracle and/or its affiliates. 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.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* */  package sun.nio.cs.ext; import java.nio.charset.Charset;import java.nio.CharBuffer;import java.nio.ByteBuffer;import java.nio.charset.CharsetDecoder;import java.nio.charset.CharsetEncoder;import java.nio.charset.CoderResult;import sun.nio.cs.Surrogate;import sun.nio.cs.HistoricallyNamedCharset; public class ISCII91 extends Charset implements HistoricallyNamedCharset{    private static final char NUKTA_CHAR = '\u093c';    private static final char HALANT_CHAR = '\u094d';    private static final byte NO_CHAR = (byte)255;     public ISCII91() {        super("x-ISCII91", ExtendedCharsets.aliasesFor("x-ISCII91"));    }     public String historicalName() {        return "ISCII91";    }     public boolean contains(Charset cs) {        return ((cs.name().equals("US-ASCII"))                || (cs instanceof ISCII91));    }     public CharsetDecoder newDecoder() {        return new Decoder(this);    }     public CharsetEncoder newEncoder() {        return new Encoder(this);    }     private static final char[] directMapTable = {        '\u0000', // ascii character        '\u0001', // ascii character        '\u0002', // ascii character        '\u0003', // ascii character        '\u0004', // ascii character        '\u0005', // ascii character        '\u0006', // ascii character        '\u0007', // ascii character        '\u0008', // ascii character        '\u0009', // ascii character        '\012', // ascii character        '\u000b', // ascii character        '\u000c', // ascii character        '\015', // ascii character        '\u000e', // ascii character        '\u000f', // ascii character        '\u0010', // ascii character        '\u0011', // ascii character        '\u0012', // ascii character        '\u0013', // ascii character        '\u0014', // ascii character        '\u0015', // ascii character        '\u0016', // ascii character        '\u0017', // ascii character        '\u0018', // ascii character        '\u0019', // ascii character        '\u001a', // ascii character        '\u001b', // ascii character        '\u001c', // ascii character        '\u001d', // ascii character        '\u001e', // ascii character        '\u001f', // ascii character        '\u0020', // ascii character        '\u0021', // ascii character        '\u0022', // ascii character        '\u0023', // ascii character        '\u0024', // ascii character        '\u0025', // ascii character        '\u0026', // ascii character        (char)0x0027, // '\u0027' control -- ascii character        '\u0028', // ascii character        '\u0029', // ascii character        '\u002a', // ascii character        '\u002b', // ascii character        '\u002c', // ascii character        '\u002d', // ascii character        '\u002e', // ascii character        '\u002f', // ascii character        '\u0030', // ascii character        '\u0031', // ascii character        '\u0032', // ascii character        '\u0033', // ascii character        '\u0034', // ascii character        '\u0035', // ascii character        '\u0036', // ascii character        '\u0037', // ascii character        '\u0038', // ascii character        '\u0039', // ascii character        '\u003a', // ascii character        '\u003b', // ascii character        '\u003c', // ascii character        '\u003d', // ascii character        '\u003e', // ascii character        '\u003f', // ascii character        '\u0040', // ascii character        '\u0041', // ascii character        '\u0042', // ascii character        '\u0043', // ascii character        '\u0044', // ascii character        '\u0045', // ascii character        '\u0046', // ascii character        '\u0047', // ascii character        '\u0048', // ascii character        '\u0049', // ascii character        '\u004a', // ascii character        '\u004b', // ascii character        '\u004c', // ascii character        '\u004d', // ascii character        '\u004e', // ascii character        '\u004f', // ascii character        '\u0050', // ascii character        '\u0051', // ascii character        '\u0052', // ascii character        '\u0053', // ascii character        '\u0054', // ascii character        '\u0055', // ascii character        '\u0056', // ascii character        '\u0057', // ascii character        '\u0058', // ascii character        '\u0059', // ascii character        '\u005a', // ascii character        '\u005b', // ascii character        '\\',// '\u005c' -- ascii character        '\u005d', // ascii character        '\u005e', // ascii character        '\u005f', // ascii character        '\u0060', // ascii character        '\u0061', // ascii character        '\u0062', // ascii character        '\u0063', // ascii character        '\u0064', // ascii character        '\u0065', // ascii character        '\u0066', // ascii character        '\u0067', // ascii character        '\u0068', // ascii character        '\u0069', // ascii character        '\u006a', // ascii character        '\u006b', // ascii character        '\u006c', // ascii character        '\u006d', // ascii character        '\u006e', // ascii character        '\u006f', // ascii character        '\u0070', // ascii character        '\u0071', // ascii character        '\u0072', // ascii character        '\u0073', // ascii character        '\u0074', // ascii character        '\u0075', // ascii character        '\u0076', // ascii character        '\u0077', // ascii character        '\u0078', // ascii character        '\u0079', // ascii character        '\u007a', // ascii character        '\u007b', // ascii character        '\u007c', // ascii character        '\u007d', // ascii character        '\u007e', // ascii character        '\u007f', // ascii character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\uffff', // unknown character        '\u0901', // a1 -- Vowel-modifier CHANDRABINDU        '\u0902', // a2 -- Vowel-modifier ANUSWAR        '\u0903', // a3 -- Vowel-modifier VISARG         '\u0905', // a4 -- Vowel A        '\u0906', // a5 -- Vowel AA        '\u0907', // a6 -- Vowel I        '\u0908', // a7 -- Vowel II        '\u0909', // a8 -- Vowel U        '\u090a', // a9 -- Vowel UU        '\u090b', // aa -- Vowel RI        '\u090e', // ab -- Vowel E ( Southern Scripts )        '\u090f', // ac -- Vowel EY        '\u0910', // ad -- Vowel AI        '\u090d', // ae -- Vowel AYE ( Devanagari Script )        '\u0912', // af -- Vowel O ( Southern Scripts )        '\u0913', // b0 -- Vowel OW        '\u0914', // b1 -- Vowel AU        '\u0911', // b2 -- Vowel AWE ( Devanagari Script )        '\u0915', // b3 -- Consonant KA        '\u0916', // b4 -- Consonant KHA        '\u0917', // b5 -- Consonant GA        '\u0918', // b6 -- Consonant GHA        '\u0919', // b7 -- Consonant NGA        '\u091a', // b8 -- Consonant CHA        '\u091b', // b9 -- Consonant CHHA        '\u091c', // ba -- Consonant JA        '\u091d', // bb -- Consonant JHA        '\u091e', // bc -- Consonant JNA        '\u091f', // bd -- Consonant Hard TA        '\u0920', // be -- Consonant Hard THA        '\u0921', // bf -- Consonant Hard DA        '\u0922', // c0 -- Consonant Hard DHA        '\u0923', // c1 -- Consonant Hard NA        '\u0924', // c2 -- Consonant Soft TA        '\u0925', // c3 -- Consonant Soft THA        '\u0926', // c4 -- Consonant Soft DA        '\u0927', // c5 -- Consonant Soft DHA        '\u0928', // c6 -- Consonant Soft NA        '\u0929', // c7 -- Consonant NA ( Tamil )        '\u092a', // c8 -- Consonant PA        '\u092b', // c9 -- Consonant PHA        '\u092c', // ca -- Consonant BA        '\u092d', // cb -- Consonant BHA        '\u092e', // cc -- Consonant MA        '\u092f', // cd -- Consonant YA        '\u095f', // ce -- Consonant JYA ( Bengali, Assamese & Oriya )        '\u0930', // cf -- Consonant RA        '\u0931', // d0 -- Consonant Hard RA ( Southern Scripts )        '\u0932', // d1 -- Consonant LA        '\u0933', // d2 -- Consonant Hard LA        '\u0934', // d3 -- Consonant ZHA ( Tamil & Malayalam )        '\u0935', // d4 -- Consonant VA        '\u0936', // d5 -- Consonant SHA        '\u0937', // d6 -- Consonant Hard SHA        '\u0938', // d7 -- Consonant SA        '\u0939', // d8 -- Consonant HA         '\u200d', // d9 -- Consonant INVISIBLE        '\u093e', // da -- Vowel Sign AA         '\u093f', // db -- Vowel Sign I        '\u0940', // dc -- Vowel Sign II        '\u0941', // dd -- Vowel Sign U        '\u0942', // de -- Vowel Sign UU        '\u0943', // df -- Vowel Sign RI        '\u0946', // e0 -- Vowel Sign E ( Southern Scripts )        '\u0947', // e1 -- Vowel Sign EY        '\u0948', // e2 -- Vowel Sign AI        '\u0945', // e3 -- Vowel Sign AYE ( Devanagari Script )        '\u094a', // e4 -- Vowel Sign O ( Southern Scripts )        '\u094b', // e5 -- Vowel Sign OW        '\u094c', // e6 -- Vowel Sign AU        '\u0949', // e7 -- Vowel Sign AWE ( Devanagari Script )         '\u094d', // e8 -- Vowel Omission Sign ( Halant )        '\u093c', // e9 -- Diacritic Sign ( Nukta )        '\u0964', // ea -- Full Stop ( Viram, Northern Scripts )         '\uffff', // eb -- This position shall not be used        '\uffff', // ec -- This position shall not be used        '\uffff', // ed -- This position shall not be used        '\uffff', // ee -- This position shall not be used         '\ufffd', // ef -- Attribute Code ( ATR )        '\ufffd', // f0 -- Extension Code ( EXT )         '\u0966', // f1 -- Digit 0        '\u0967', // f2 -- Digit 1        '\u0968', // f3 -- Digit 2        '\u0969', // f4 -- Digit 3        '\u096a', // f5 -- Digit 4        '\u096b', // f6 -- Digit 5        '\u096c', // f7 -- Digit 6        '\u096d', // f8 -- Digit 7        '\u096e', // f9 -- Digit 8        '\u096f', // fa -- Digit 9         '\uffff', // fb -- This position shall not be used        '\uffff', // fc -- This position shall not be used        '\uffff', // fd -- This position shall not be used        '\uffff', // fe -- This position shall not be used        '\uffff'  // ff -- This position shall not be used    }; //end of table definition     /**     * This accessor is temporarily supplied while sun.io     * converters co-exist with the sun.nio.cs.{ext} charset coders     * These facilitate sharing of conversion tables between the     * two co-existing implementations. When sun.io converters     * are made extinct these will be unnecessary and should be removed     */     public static char[] getDirectMapTable() {        return directMapTable;    }     private static final byte[] encoderMappingTable = {    NO_CHAR,NO_CHAR, //0900 <reserved>    (byte)161,NO_CHAR, //0901 -- DEVANAGARI SIGN CANDRABINDU = anunasika    (byte)162,NO_CHAR, //0902 -- DEVANAGARI SIGN ANUSVARA = bindu    (byte)163,NO_CHAR, //0903 -- DEVANAGARI SIGN VISARGA    NO_CHAR,NO_CHAR, //0904 <reserved>    (byte)164,NO_CHAR, //0905 -- DEVANAGARI LETTER A    (byte)165,NO_CHAR, //0906 -- DEVANAGARI LETTER AA    (byte)166,NO_CHAR, //0907 -- DEVANAGARI LETTER I    (byte)167,NO_CHAR, //0908 -- DEVANAGARI LETTER II    (byte)168,NO_CHAR, //0909 -- DEVANAGARI LETTER U    (byte)169,NO_CHAR, //090a -- DEVANAGARI LETTER UU    (byte)170,NO_CHAR, //090b -- DEVANAGARI LETTER VOCALIC R    (byte)166,(byte)233, //090c -- DEVANAGARI LETTER VOVALIC L    (byte)174,NO_CHAR, //090d -- DEVANAGARI LETTER CANDRA E    (byte)171,NO_CHAR, //090e -- DEVANAGARI LETTER SHORT E    (byte)172,NO_CHAR, //090f -- DEVANAGARI LETTER E    (byte)173,NO_CHAR, //0910 -- DEVANAGARI LETTER AI    (byte)178,NO_CHAR, //0911 -- DEVANAGARI LETTER CANDRA O    (byte)175,NO_CHAR, //0912 -- DEVANAGARI LETTER SHORT O    (byte)176,NO_CHAR, //0913 -- DEVANAGARI LETTER O    (byte)177,NO_CHAR, //0914 -- DEVANAGARI LETTER AU    (byte)179,NO_CHAR, //0915 -- DEVANAGARI LETTER KA    (byte)180,NO_CHAR, //0916 -- DEVANAGARI LETTER KHA    (byte)181,NO_CHAR, //0917 -- DEVANAGARI LETTER GA    (byte)182,NO_CHAR, //0918 -- DEVANAGARI LETTER GHA    (byte)183,NO_CHAR, //0919 -- DEVANAGARI LETTER NGA    (byte)184,NO_CHAR, //091a -- DEVANAGARI LETTER CA    (byte)185,NO_CHAR, //091b -- DEVANAGARI LETTER CHA    (byte)186,NO_CHAR, //091c -- DEVANAGARI LETTER JA    (byte)187,NO_CHAR, //091d -- DEVANAGARI LETTER JHA    (byte)188,NO_CHAR, //091e -- DEVANAGARI LETTER NYA    (byte)189,NO_CHAR, //091f -- DEVANAGARI LETTER TTA    (byte)190,NO_CHAR, //0920 -- DEVANAGARI LETTER TTHA    (byte)191,NO_CHAR, //0921 -- DEVANAGARI LETTER DDA    (byte)192,NO_CHAR, //0922 -- DEVANAGARI LETTER DDHA    (byte)193,NO_CHAR, //0923 -- DEVANAGARI LETTER NNA    (byte)194,NO_CHAR, //0924 -- DEVANAGARI LETTER TA    (byte)195,NO_CHAR, //0925 -- DEVANAGARI LETTER THA    (byte)196,NO_CHAR, //0926 -- DEVANAGARI LETTER DA    (byte)197,NO_CHAR, //0927 -- DEVANAGARI LETTER DHA    (byte)198,NO_CHAR, //0928 -- DEVANAGARI LETTER NA    (byte)199,NO_CHAR, //0929 -- DEVANAGARI LETTER NNNA <=> 0928 + 093C    (byte)200,NO_CHAR, //092a -- DEVANAGARI LETTER PA    (byte)201,NO_CHAR, //092b -- DEVANAGARI LETTER PHA    (byte)202,NO_CHAR, //092c -- DEVANAGARI LETTER BA    (byte)203,NO_CHAR, //092d -- DEVANAGARI LETTER BHA    (byte)204,NO_CHAR, //092e -- DEVANAGARI LETTER MA    (byte)205,NO_CHAR, //092f -- DEVANAGARI LETTER YA    (byte)207,NO_CHAR, //0930 -- DEVANAGARI LETTER RA    (byte)208,NO_CHAR, //0931 -- DEVANAGARI LETTER RRA <=> 0930 + 093C    (byte)209,NO_CHAR, //0932 -- DEVANAGARI LETTER LA    (byte)210,NO_CHAR, //0933 -- DEVANAGARI LETTER LLA    (byte)211,NO_CHAR, //0934 -- DEVANAGARI LETTER LLLA <=> 0933 + 093C    (byte)212,NO_CHAR, //0935 -- DEVANAGARI LETTER VA    (byte)213,NO_CHAR, //0936 -- DEVANAGARI LETTER SHA    (byte)214,NO_CHAR, //0937 -- DEVANAGARI LETTER SSA    (byte)215,NO_CHAR, //0938 -- DEVANAGARI LETTER SA    (byte)216,NO_CHAR, //0939 -- DEVANAGARI LETTER HA    NO_CHAR,NO_CHAR, //093a <reserved>    NO_CHAR,NO_CHAR, //093b <reserved>    (byte)233,NO_CHAR, //093c -- DEVANAGARI SIGN NUKTA    (byte)234,(byte)233, //093d -- DEVANAGARI SIGN AVAGRAHA    (byte)218,NO_CHAR, //093e -- DEVANAGARI VOWEL SIGN AA    (byte)219,NO_CHAR, //093f -- DEVANAGARI VOWEL SIGN I    (byte)220,NO_CHAR, //0940 -- DEVANAGARI VOWEL SIGN II    (byte)221,NO_CHAR, //0941 -- DEVANAGARI VOWEL SIGN U    (byte)222,NO_CHAR, //0942 -- DEVANAGARI VOWEL SIGN UU    (byte)223,NO_CHAR, //0943 -- DEVANAGARI VOWEL SIGN VOCALIC R    (byte)223,(byte)233, //0944 -- DEVANAGARI VOWEL SIGN VOCALIC RR    (byte)227,NO_CHAR, //0945 -- DEVANAGARI VOWEL SIGN CANDRA E    (byte)224,NO_CHAR, //0946 -- DEVANAGARI VOWEL SIGN SHORT E    (byte)225,NO_CHAR, //0947 -- DEVANAGARI VOWEL SIGN E    (byte)226,NO_CHAR, //0948 -- DEVANAGARI VOWEL SIGN AI    (byte)231,NO_CHAR, //0949 -- DEVANAGARI VOWEL SIGN CANDRA O    (byte)228,NO_CHAR, //094a -- DEVANAGARI VOWEL SIGN SHORT O    (byte)229,NO_CHAR, //094b -- DEVANAGARI VOWEL SIGN O    (byte)230,NO_CHAR, //094c -- DEVANAGARI VOWEL SIGN AU    (byte)232,NO_CHAR, //094d -- DEVANAGARI SIGN VIRAMA ( halant )    NO_CHAR,NO_CHAR, //094e <reserved>    NO_CHAR,NO_CHAR, //094f <reserved>    (byte)161,(byte)233, //0950 -- DEVANAGARI OM    (byte)240,(byte)181, //0951 -- DEVANAGARI STRESS SIGN UDATTA    (byte)240,(byte)184, //0952 -- DEVANAGARI STRESS SIGN ANUDATTA    (byte)254,NO_CHAR, //0953 -- DEVANAGARI GRAVE ACCENT || MISSING    (byte)254,NO_CHAR, //0954 -- DEVANAGARI ACUTE ACCENT || MISSING    NO_CHAR,NO_CHAR, //0955 <reserved>    NO_CHAR,NO_CHAR, //0956 <reserved>    NO_CHAR,NO_CHAR, //0957 <reserved>    (byte)179,(byte)233, //0958 -- DEVANAGARI LETTER QA <=> 0915 + 093C    (byte)180,(byte)233, //0959 -- DEVANAGARI LETTER KHHA <=> 0916 + 093C    (byte)181,(byte)233, //095a -- DEVANAGARI LETTER GHHA <=> 0917 + 093C    (byte)186,(byte)233, //095b -- DEVANAGARI LETTER ZA <=> 091C + 093C    (byte)191,(byte)233, //095c -- DEVANAGARI LETTER DDDHA <=> 0921 + 093C    (byte)192,(byte)233, //095d -- DEVANAGARI LETTER RHA <=> 0922 + 093C    (byte)201,(byte)233, //095e -- DEVANAGARI LETTER FA <=> 092B + 093C    (byte)206,NO_CHAR, //095f -- DEVANAGARI LETTER YYA <=> 092F + 093C    (byte)170,(byte)233, //0960 -- DEVANAGARI LETTER VOCALIC RR    (byte)167,(byte)233, //0961 -- DEVANAGARI LETTER VOCALIC LL    (byte)219,(byte)233, //0962 -- DEVANAGARI VOWEL SIGN VOCALIC L    (byte)220,(byte)233, //0963 -- DEVANAGARI VOWEL SIGN VOCALIC LL    (byte)234,NO_CHAR, //0964 -- DEVANAGARI DANDA ( phrase separator )    (byte)234,(byte)234, //0965 -- DEVANAGARI DOUBLE DANDA    (byte)241,NO_CHAR, //0966 -- DEVANAGARI DIGIT ZERO    (byte)242,NO_CHAR, //0967 -- DEVANAGARI DIGIT ONE    (byte)243,NO_CHAR, //0968 -- DEVANAGARI DIGIT TWO    (byte)244,NO_CHAR, //0969 -- DEVANAGARI DIGIT THREE    (byte)245,NO_CHAR, //096a -- DEVANAGARI DIGIT FOUR    (byte)246,NO_CHAR, //096b -- DEVANAGARI DIGIT FIVE    (byte)247,NO_CHAR, //096c -- DEVANAGARI DIGIT SIX    (byte)248,NO_CHAR, //096d -- DEVANAGARI DIGIT SEVEN    (byte)249,NO_CHAR, //096e -- DEVANAGARI DIGIT EIGHT    (byte)250,NO_CHAR, //096f -- DEVANAGARI DIGIT NINE    (byte)240,(byte)191,  //0970 -- DEVANAGARI ABBREVIATION SIGN    NO_CHAR,NO_CHAR, //0971 -- reserved    NO_CHAR,NO_CHAR, //0972 -- reserved    NO_CHAR,NO_CHAR, //0973 -- reserved    NO_CHAR,NO_CHAR, //0974 -- reserved    NO_CHAR,NO_CHAR, //0975 -- reserved    NO_CHAR,NO_CHAR, //0976 -- reserved    NO_CHAR,NO_CHAR, //0977 -- reserved    NO_CHAR,NO_CHAR, //0978 -- reserved    NO_CHAR,NO_CHAR, //0979 -- reserved    NO_CHAR,NO_CHAR, //097a -- reserved    NO_CHAR,NO_CHAR, //097b -- reserved    NO_CHAR,NO_CHAR, //097c -- reserved    NO_CHAR,NO_CHAR, //097d -- reserved    NO_CHAR,NO_CHAR, //097e -- reserved    NO_CHAR,NO_CHAR  //097f -- reserved    }; //end of table definition      /**     * This accessor is temporarily supplied while sun.io     * converters co-exist with the sun.nio.cs.{ext} charset coders     * These facilitate sharing of conversion tables between the     * two co-existing implementations. When sun.io converters     * are made extinct these will be unnecessary and should be removed     */     public static byte[] getEncoderMappingTable() {        return encoderMappingTable;    }      private static class Decoder extends CharsetDecoder {         private static final char ZWNJ_CHAR = '\u200c';        private static final char ZWJ_CHAR = '\u200d';        private static final char INVALID_CHAR = '\uffff';         private char contextChar = INVALID_CHAR;        private boolean needFlushing = false;  

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