jellyfin/Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/SMModel.cs

/* ***** 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):
 *          Kohei TAKETA <k-tak@void.in> (Java port)
 *          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
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 * decision by deleting the provisions above and replace them with the notice
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 * the provisions above, a recipient may use your version of this file under
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 *
 * ***** END LICENSE BLOCK ***** */

using System;

namespace UniversalDetector.Core
{
    /// <summary>
    /// State machine model
    /// </summary>
    public abstract class SMModel
    {
        public const int START = 0;
        public const int ERROR = 1;
        public const int ITSME = 2;

        public BitPackage classTable;
        public BitPackage stateTable;
        public int[] charLenTable;

        private string name;
        
        public string Name => name;

        private int classFactor;

        public int ClassFactor => classFactor;

        public SMModel(BitPackage classTable, int classFactor,
            BitPackage stateTable, int[] charLenTable, string name)
        {
            this.classTable = classTable;
            this.classFactor = classFactor;
            this.stateTable = stateTable;
            this.charLenTable = charLenTable;
            this.name = name;
        }

        public int GetClass(byte b)
        {
            return classTable.Unpack((int)b);
        }
    }
}