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/* ***** 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 ***** */
using System;
namespace UniversalDetector.Core
{
public abstract class SequenceModel
{
// [256] table use to find a char's order
protected byte[] charToOrderMap;
// [SAMPLE_SIZE][SAMPLE_SIZE] table to find a 2-char sequence's
// frequency
protected byte[] precedenceMatrix;
// freqSeqs / totalSeqs
protected float typicalPositiveRatio;
public float TypicalPositiveRatio => typicalPositiveRatio;
// not used
protected bool keepEnglishLetter;
public bool KeepEnglishLetter => keepEnglishLetter;
protected string charsetName;
public string CharsetName => charsetName;
public SequenceModel(
byte[] charToOrderMap,
byte[] precedenceMatrix,
float typicalPositiveRatio,
bool keepEnglishLetter,
string charsetName)
{
this.charToOrderMap = charToOrderMap;
this.precedenceMatrix = precedenceMatrix;
this.typicalPositiveRatio = typicalPositiveRatio;
this.keepEnglishLetter = keepEnglishLetter;
this.charsetName = charsetName;
}
public byte GetOrder(byte b)
{
return charToOrderMap[b];
}
public byte GetPrecedence(int pos)
{
return precedenceMatrix[pos];
}
}
}
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