| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640 | /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla Universal charset detector code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 2001 * the Initial Developer. All Rights Reserved. * * Contributor(s): *          Shy Shalom <shooshX@gmail.com> *          Rudi Pettazzi <rudi.pettazzi@gmail.com> (C# port) * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */namespace UniversalDetector.Core{    public class UTF8SMModel : SMModel    {        private readonly static int[] UTF8_cls = {            BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 00 - 07            BitPackage.Pack4bits(1,1,1,1,1,1,0,0),  // 08 - 0f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 10 - 17             BitPackage.Pack4bits(1,1,1,0,1,1,1,1),  // 18 - 1f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 20 - 27             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 28 - 2f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 30 - 37             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 38 - 3f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 40 - 47             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 48 - 4f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 50 - 57             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 58 - 5f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 60 - 67             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 68 - 6f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 70 - 77             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 78 - 7f             BitPackage.Pack4bits(2,2,2,2,3,3,3,3),  // 80 - 87             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 88 - 8f             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 90 - 97             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 98 - 9f             BitPackage.Pack4bits(5,5,5,5,5,5,5,5),  // a0 - a7             BitPackage.Pack4bits(5,5,5,5,5,5,5,5),  // a8 - af             BitPackage.Pack4bits(5,5,5,5,5,5,5,5),  // b0 - b7             BitPackage.Pack4bits(5,5,5,5,5,5,5,5),  // b8 - bf             BitPackage.Pack4bits(0,0,6,6,6,6,6,6),  // c0 - c7             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // c8 - cf             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // d0 - d7             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // d8 - df             BitPackage.Pack4bits(7,8,8,8,8,8,8,8),  // e0 - e7             BitPackage.Pack4bits(8,8,8,8,8,9,8,8),  // e8 - ef             BitPackage.Pack4bits(10,11,11,11,11,11,11,11),  // f0 - f7             BitPackage.Pack4bits(12,13,13,13,14,15,0,0)   // f8 - ff         };        private readonly static int[] UTF8_st = {            BitPackage.Pack4bits(ERROR,START,ERROR,ERROR,ERROR,ERROR,   12,   10),//00-07             BitPackage.Pack4bits(    9,   11,    8,    7,    6,    5,    4,    3),//08-0f             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR),//10-17             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR),//18-1f             BitPackage.Pack4bits(ITSME,ITSME,ITSME,ITSME,ITSME,ITSME,ITSME,ITSME),//20-27             BitPackage.Pack4bits(ITSME,ITSME,ITSME,ITSME,ITSME,ITSME,ITSME,ITSME),//28-2f             BitPackage.Pack4bits(ERROR,ERROR,    5,    5,    5,    5,ERROR,ERROR),//30-37             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR),//38-3f             BitPackage.Pack4bits(ERROR,ERROR,ERROR,    5,    5,    5,ERROR,ERROR),//40-47             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR),//48-4f             BitPackage.Pack4bits(ERROR,ERROR,    7,    7,    7,    7,ERROR,ERROR),//50-57             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR),//58-5f             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,    7,    7,ERROR,ERROR),//60-67             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR),//68-6f             BitPackage.Pack4bits(ERROR,ERROR,    9,    9,    9,    9,ERROR,ERROR),//70-77             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR),//78-7f             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,    9,ERROR,ERROR),//80-87             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR),//88-8f             BitPackage.Pack4bits(ERROR,ERROR,   12,   12,   12,   12,ERROR,ERROR),//90-97             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR),//98-9f             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,   12,ERROR,ERROR),//a0-a7             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR),//a8-af             BitPackage.Pack4bits(ERROR,ERROR,   12,   12,   12,ERROR,ERROR,ERROR),//b0-b7             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR),//b8-bf             BitPackage.Pack4bits(ERROR,ERROR,START,START,START,START,ERROR,ERROR),//c0-c7             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ERROR) //c8-cf          };        private readonly static int[] UTF8CharLenTable =             {0, 1, 0, 0, 0, 0, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6 };                public UTF8SMModel() : base(              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, UTF8_cls),                         16,              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, UTF8_st),              UTF8CharLenTable, "UTF-8")        {        }    }        public class GB18030SMModel : SMModel    {        private readonly static int[] GB18030_cls = {            BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 00 - 07             BitPackage.Pack4bits(1,1,1,1,1,1,0,0),  // 08 - 0f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 10 - 17             BitPackage.Pack4bits(1,1,1,0,1,1,1,1),  // 18 - 1f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 20 - 27             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 28 - 2f             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // 30 - 37             BitPackage.Pack4bits(3,3,1,1,1,1,1,1),  // 38 - 3f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 40 - 47             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 48 - 4f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 50 - 57             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 58 - 5f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 60 - 67             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 68 - 6f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 70 - 77             BitPackage.Pack4bits(2,2,2,2,2,2,2,4),  // 78 - 7f             BitPackage.Pack4bits(5,6,6,6,6,6,6,6),  // 80 - 87             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // 88 - 8f             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // 90 - 97             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // 98 - 9f             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // a0 - a7             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // a8 - af             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // b0 - b7             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // b8 - bf             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // c0 - c7             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // c8 - cf             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // d0 - d7             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // d8 - df             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // e0 - e7             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // e8 - ef             BitPackage.Pack4bits(6,6,6,6,6,6,6,6),  // f0 - f7             BitPackage.Pack4bits(6,6,6,6,6,6,6,0)   // f8 - ff         };        private readonly static int[] GB18030_st = {            BitPackage.Pack4bits(ERROR,START,START,START,START,START,    3,ERROR),//00-07             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ITSME,ITSME),//08-0f             BitPackage.Pack4bits(ITSME,ITSME,ITSME,ITSME,ITSME,ERROR,ERROR,START),//10-17             BitPackage.Pack4bits(    4,ERROR,START,START,ERROR,ERROR,ERROR,ERROR),//18-1f             BitPackage.Pack4bits(ERROR,ERROR,    5,ERROR,ERROR,ERROR,ITSME,ERROR),//20-27             BitPackage.Pack4bits(ERROR,ERROR,START,START,START,START,START,START) //28-2f         };        // To be accurate, the length of class 6 can be either 2 or 4.         // But it is not necessary to discriminate between the two since         // it is used for frequency analysis only, and we are validating         // each code range there as well. So it is safe to set it to be         // 2 here.         private readonly static int[] GB18030CharLenTable = {0, 1, 1, 1, 1, 1, 2};                public GB18030SMModel() : base(              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, GB18030_cls),                         7,              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, GB18030_st),              GB18030CharLenTable, "GB18030")        {        }    }        public class BIG5SMModel : SMModel    {        private readonly static int[] BIG5_cls = {            BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 00 - 07            BitPackage.Pack4bits(1,1,1,1,1,1,0,0),  // 08 - 0f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 10 - 17             BitPackage.Pack4bits(1,1,1,0,1,1,1,1),  // 18 - 1f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 20 - 27             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 28 - 2f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 30 - 37             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 38 - 3f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 40 - 47             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 48 - 4f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 50 - 57             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 58 - 5f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 60 - 67             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 68 - 6f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 70 - 77             BitPackage.Pack4bits(2,2,2,2,2,2,2,1),  // 78 - 7f             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 80 - 87             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 88 - 8f             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 90 - 97             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 98 - 9f             BitPackage.Pack4bits(4,3,3,3,3,3,3,3),  // a0 - a7             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // a8 - af             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // b0 - b7             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // b8 - bf             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // c0 - c7             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // c8 - cf             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // d0 - d7             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // d8 - df             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // e0 - e7             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // e8 - ef             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // f0 - f7             BitPackage.Pack4bits(3,3,3,3,3,3,3,0)   // f8 - ff         };        private readonly static int[] BIG5_st = {            BitPackage.Pack4bits(ERROR,START,START,    3,ERROR,ERROR,ERROR,ERROR),//00-07             BitPackage.Pack4bits(ERROR,ERROR,ITSME,ITSME,ITSME,ITSME,ITSME,ERROR),//08-0f             BitPackage.Pack4bits(ERROR,START,START,START,START,START,START,START) //10-17         };        private readonly static int[] BIG5CharLenTable = {0, 1, 1, 2, 0};                public BIG5SMModel() : base(              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, BIG5_cls),                         5,              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, BIG5_st),              BIG5CharLenTable, "Big5")        {        }    }        public class EUCJPSMModel : SMModel    {        private readonly static int[] EUCJP_cls = {            //BitPacket.Pack4bits(5,4,4,4,4,4,4,4),  // 00 - 07             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 00 - 07             BitPackage.Pack4bits(4,4,4,4,4,4,5,5),  // 08 - 0f             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 10 - 17             BitPackage.Pack4bits(4,4,4,5,4,4,4,4),  // 18 - 1f             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 20 - 27             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 28 - 2f             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 30 - 37             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 38 - 3f             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 40 - 47             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 48 - 4f             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 50 - 57             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 58 - 5f             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 60 - 67             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 68 - 6f             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 70 - 77             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // 78 - 7f             BitPackage.Pack4bits(5,5,5,5,5,5,5,5),  // 80 - 87             BitPackage.Pack4bits(5,5,5,5,5,5,1,3),  // 88 - 8f             BitPackage.Pack4bits(5,5,5,5,5,5,5,5),  // 90 - 97             BitPackage.Pack4bits(5,5,5,5,5,5,5,5),  // 98 - 9f             BitPackage.Pack4bits(5,2,2,2,2,2,2,2),  // a0 - a7             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // a8 - af             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // b0 - b7             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // b8 - bf             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // c0 - c7             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // c8 - cf             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // d0 - d7             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // d8 - df             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // e0 - e7             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // e8 - ef             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // f0 - f7             BitPackage.Pack4bits(0,0,0,0,0,0,0,5)   // f8 - ff         };        private readonly static int[] EUCJP_st = {            BitPackage.Pack4bits(    3,    4,    3,    5,START,ERROR,ERROR,ERROR),//00-07             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ITSME,ITSME,ITSME,ITSME),//08-0f             BitPackage.Pack4bits(ITSME,ITSME,START,ERROR,START,ERROR,ERROR,ERROR),//10-17             BitPackage.Pack4bits(ERROR,ERROR,START,ERROR,ERROR,ERROR,    3,ERROR),//18-1f             BitPackage.Pack4bits(    3,ERROR,ERROR,ERROR,START,START,START,START) //20-27         };        private readonly static int[] EUCJPCharLenTable = { 2, 2, 2, 3, 1, 0 };                public EUCJPSMModel() : base(              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, EUCJP_cls),                         6,              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, EUCJP_st),              EUCJPCharLenTable, "EUC-JP")        {        }    }        public class EUCKRSMModel : SMModel    {        private readonly static int[] EUCKR_cls = {            //BitPacket.Pack4bits(0,1,1,1,1,1,1,1),  // 00 - 07             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 00 - 07             BitPackage.Pack4bits(1,1,1,1,1,1,0,0),  // 08 - 0f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 10 - 17             BitPackage.Pack4bits(1,1,1,0,1,1,1,1),  // 18 - 1f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 20 - 27             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 28 - 2f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 30 - 37             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 38 - 3f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 40 - 47             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 48 - 4f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 50 - 57             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 58 - 5f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 60 - 67             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 68 - 6f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 70 - 77             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 78 - 7f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 80 - 87             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 88 - 8f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 90 - 97             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 98 - 9f             BitPackage.Pack4bits(0,2,2,2,2,2,2,2),  // a0 - a7             BitPackage.Pack4bits(2,2,2,2,2,3,3,3),  // a8 - af             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // b0 - b7             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // b8 - bf             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // c0 - c7             BitPackage.Pack4bits(2,3,2,2,2,2,2,2),  // c8 - cf             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // d0 - d7             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // d8 - df             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // e0 - e7             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // e8 - ef             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // f0 - f7             BitPackage.Pack4bits(2,2,2,2,2,2,2,0)   // f8 - ff         };        private readonly static int[] EUCKR_st = {            BitPackage.Pack4bits(ERROR,START,    3,ERROR,ERROR,ERROR,ERROR,ERROR),//00-07             BitPackage.Pack4bits(ITSME,ITSME,ITSME,ITSME,ERROR,ERROR,START,START) //08-0f         };        private readonly static int[] EUCKRCharLenTable = { 0, 1, 2, 0 };                public EUCKRSMModel() : base(              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, EUCKR_cls),                         4,              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, EUCKR_st),              EUCKRCharLenTable, "EUC-KR")        {        }    }        public class EUCTWSMModel : SMModel    {        private readonly static int[] EUCTW_cls = {            BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 00 - 07             BitPackage.Pack4bits(2,2,2,2,2,2,0,0),  // 08 - 0f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 10 - 17             BitPackage.Pack4bits(2,2,2,0,2,2,2,2),  // 18 - 1f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 20 - 27             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 28 - 2f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 30 - 37             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 38 - 3f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 40 - 47             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 48 - 4f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 50 - 57             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 58 - 5f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 60 - 67             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 68 - 6f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 70 - 77             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 78 - 7f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 80 - 87             BitPackage.Pack4bits(0,0,0,0,0,0,6,0),  // 88 - 8f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 90 - 97             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 98 - 9f             BitPackage.Pack4bits(0,3,4,4,4,4,4,4),  // a0 - a7             BitPackage.Pack4bits(5,5,1,1,1,1,1,1),  // a8 - af             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // b0 - b7             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // b8 - bf             BitPackage.Pack4bits(1,1,3,1,3,3,3,3),  // c0 - c7             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // c8 - cf             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // d0 - d7             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // d8 - df             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // e0 - e7             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // e8 - ef             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // f0 - f7             BitPackage.Pack4bits(3,3,3,3,3,3,3,0)   // f8 - ff         };        private readonly static int[] EUCTW_st = {            BitPackage.Pack4bits(ERROR,ERROR,START,    3,    3,    3,    4,ERROR),//00-07             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ERROR,ERROR,ITSME,ITSME),//08-0f             BitPackage.Pack4bits(ITSME,ITSME,ITSME,ITSME,ITSME,ERROR,START,ERROR),//10-17             BitPackage.Pack4bits(START,START,START,ERROR,ERROR,ERROR,ERROR,ERROR),//18-1f             BitPackage.Pack4bits(    5,ERROR,ERROR,ERROR,START,ERROR,START,START),//20-27             BitPackage.Pack4bits(START,ERROR,START,START,START,START,START,START) //28-2f         };        private readonly static int[] EUCTWCharLenTable = { 0, 0, 1, 2, 2, 2, 3 };                public EUCTWSMModel() : base(              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, EUCTW_cls),                         7,              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, EUCTW_st),              EUCTWCharLenTable, "EUC-TW")        {        }    }            public class SJISSMModel : SMModel    {        private readonly static int[] SJIS_cls = {            //BitPacket.Pack4bits(0,1,1,1,1,1,1,1),  // 00 - 07             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 00 - 07             BitPackage.Pack4bits(1,1,1,1,1,1,0,0),  // 08 - 0f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 10 - 17             BitPackage.Pack4bits(1,1,1,0,1,1,1,1),  // 18 - 1f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 20 - 27             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 28 - 2f             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 30 - 37             BitPackage.Pack4bits(1,1,1,1,1,1,1,1),  // 38 - 3f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 40 - 47             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 48 - 4f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 50 - 57             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 58 - 5f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 60 - 67             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 68 - 6f             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // 70 - 77             BitPackage.Pack4bits(2,2,2,2,2,2,2,1),  // 78 - 7f             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // 80 - 87             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // 88 - 8f             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // 90 - 97             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // 98 - 9f             //0xa0 is illegal in sjis encoding, but some pages does             //contain such byte. We need to be more error forgiven.            BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // a0 - a7                 BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // a8 - af             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // b0 - b7             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // b8 - bf             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // c0 - c7             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // c8 - cf             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // d0 - d7             BitPackage.Pack4bits(2,2,2,2,2,2,2,2),  // d8 - df             BitPackage.Pack4bits(3,3,3,3,3,3,3,3),  // e0 - e7             BitPackage.Pack4bits(3,3,3,3,3,4,4,4),  // e8 - ef             BitPackage.Pack4bits(4,4,4,4,4,4,4,4),  // f0 - f7             BitPackage.Pack4bits(4,4,4,4,4,0,0,0)   // f8 - ff         };        private readonly static int[] SJIS_st = {            BitPackage.Pack4bits(ERROR,START,START,    3,ERROR,ERROR,ERROR,ERROR),//00-07             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ITSME,ITSME,ITSME,ITSME),//08-0f             BitPackage.Pack4bits(ITSME,ITSME,ERROR,ERROR,START,START,START,START) //10-17                };        private readonly static int[] SJISCharLenTable = { 0, 1, 1, 2, 0, 0 };                public SJISSMModel() : base(              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, SJIS_cls),                         6,              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, SJIS_st),              SJISCharLenTable, "Shift_JIS")        {        }    }        public class UCS2BESMModel : SMModel    {        private readonly static int[] UCS2BE_cls = {            BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 00 - 07             BitPackage.Pack4bits(0,0,1,0,0,2,0,0),  // 08 - 0f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 10 - 17             BitPackage.Pack4bits(0,0,0,3,0,0,0,0),  // 18 - 1f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 20 - 27             BitPackage.Pack4bits(0,3,3,3,3,3,0,0),  // 28 - 2f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 30 - 37             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 38 - 3f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 40 - 47             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 48 - 4f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 50 - 57             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 58 - 5f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 60 - 67             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 68 - 6f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 70 - 77             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 78 - 7f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 80 - 87             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 88 - 8f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 90 - 97             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 98 - 9f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // a0 - a7             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // a8 - af             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // b0 - b7             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // b8 - bf             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // c0 - c7             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // c8 - cf             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // d0 - d7             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // d8 - df             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // e0 - e7             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // e8 - ef             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // f0 - f7             BitPackage.Pack4bits(0,0,0,0,0,0,4,5)   // f8 - ff         };        private readonly static int[] UCS2BE_st = {            BitPackage.Pack4bits(    5,    7,    7,ERROR,    4,    3,ERROR,ERROR),//00-07             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ITSME,ITSME,ITSME,ITSME),//08-0f             BitPackage.Pack4bits(ITSME,ITSME,    6,    6,    6,    6,ERROR,ERROR),//10-17             BitPackage.Pack4bits(    6,    6,    6,    6,    6,ITSME,    6,    6),//18-1f             BitPackage.Pack4bits(    6,    6,    6,    6,    5,    7,    7,ERROR),//20-27             BitPackage.Pack4bits(    5,    8,    6,    6,ERROR,    6,    6,    6),//28-2f             BitPackage.Pack4bits(    6,    6,    6,    6,ERROR,ERROR,START,START) //30-37         };        private readonly static int[] UCS2BECharLenTable = { 2, 2, 2, 0, 2, 2 };                public UCS2BESMModel() : base(              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, UCS2BE_cls),                         6,              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, UCS2BE_st),              UCS2BECharLenTable, "UTF-16BE")        {        }    }        public class UCS2LESMModel : SMModel    {        private readonly static int[] UCS2LE_cls = {            BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 00 - 07             BitPackage.Pack4bits(0,0,1,0,0,2,0,0),  // 08 - 0f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 10 - 17             BitPackage.Pack4bits(0,0,0,3,0,0,0,0),  // 18 - 1f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 20 - 27             BitPackage.Pack4bits(0,3,3,3,3,3,0,0),  // 28 - 2f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 30 - 37             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 38 - 3f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 40 - 47             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 48 - 4f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 50 - 57             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 58 - 5f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 60 - 67             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 68 - 6f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 70 - 77             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 78 - 7f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 80 - 87             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 88 - 8f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 90 - 97             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // 98 - 9f             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // a0 - a7             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // a8 - af             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // b0 - b7             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // b8 - bf             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // c0 - c7             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // c8 - cf             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // d0 - d7             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // d8 - df             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // e0 - e7             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // e8 - ef             BitPackage.Pack4bits(0,0,0,0,0,0,0,0),  // f0 - f7             BitPackage.Pack4bits(0,0,0,0,0,0,4,5)   // f8 - ff         };        private readonly static int[] UCS2LE_st = {            BitPackage.Pack4bits(    6,    6,    7,    6,    4,    3,ERROR,ERROR),//00-07             BitPackage.Pack4bits(ERROR,ERROR,ERROR,ERROR,ITSME,ITSME,ITSME,ITSME),//08-0f             BitPackage.Pack4bits(ITSME,ITSME,    5,    5,    5,ERROR,ITSME,ERROR),//10-17             BitPackage.Pack4bits(    5,    5,    5,ERROR,    5,ERROR,    6,    6),//18-1f             BitPackage.Pack4bits(    7,    6,    8,    8,    5,    5,    5,ERROR),//20-27             BitPackage.Pack4bits(    5,    5,    5,ERROR,ERROR,ERROR,    5,    5),//28-2f             BitPackage.Pack4bits(    5,    5,    5,ERROR,    5,ERROR,START,START) //30-37         };        private readonly static int[] UCS2LECharLenTable = { 2, 2, 2, 2, 2, 2 };                public UCS2LESMModel() : base(              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, UCS2LE_cls),                         6,              new BitPackage(BitPackage.INDEX_SHIFT_4BITS,                          BitPackage.SHIFT_MASK_4BITS,                          BitPackage.BIT_SHIFT_4BITS,                         BitPackage.UNIT_MASK_4BITS, UCS2LE_st),              UCS2LECharLenTable, "UTF-16LE")        {        }    }        }
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