org.mozilla.universalchardet.prober.sequence.SequenceModel Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of juniversalchardet Show documentation
JUniversalChardet is a Java encoding detector library
There is a newer version: 2.5.0
/* ***** 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 
 *          Kohei TAKETA  (Java 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 ***** */

package org.mozilla.universalchardet.prober.sequence;

public abstract class SequenceModel
{
    ////////////////////////////////////////////////////////////////
    // fields
    ////////////////////////////////////////////////////////////////
    protected short[]   charToOrderMap;
    protected byte[]    precedenceMatrix;
    protected float     typicalPositiveRatio;
    protected boolean   keepEnglishLetter;
    protected String    charsetName;
    

    ////////////////////////////////////////////////////////////////
    // methods
    ////////////////////////////////////////////////////////////////
    public SequenceModel(
            short[] charToOrderMap,
            byte[] precedenceMatrix,
            float typicalPositiveRatio,
            boolean keepEnglishLetter,
            String charsetName)
    {
        this.charToOrderMap = charToOrderMap.clone();
        this.precedenceMatrix = precedenceMatrix.clone();
        this.typicalPositiveRatio = typicalPositiveRatio;
        this.keepEnglishLetter = keepEnglishLetter;
        this.charsetName = charsetName;
    }
    
    public short getOrder(byte b)
    {
        int c = b & 0xFF;
        return this.charToOrderMap[c];
    }
    
    public byte getPrecedence(int pos)
    {
        return this.precedenceMatrix[pos];
    }
    
    public float getTypicalPositiveRatio()
    {
        return this.typicalPositiveRatio;
    }
    
    public boolean getKeepEnglishLetter()
    {
        return this.keepEnglishLetter;
    }
    
    public String getCharsetName()
    {
        return this.charsetName;
    }
}