001    ///////////////////////////////////////////////////////////////////////////////
002    // Copyright (c) 2006, Frank S. Nestel, All Rights Reserved.
003    //
004    // This library is free software; you can redistribute it and/or
005    // modify it under the terms of the GNU Lesser General Public
006    // License as published by the Free Software Foundation; either
007    // version 2.1 of the License, or (at your option) any later version.
008    //
009    // This library is distributed in the hope that it will be useful,
010    // but WITHOUT ANY WARRANTY; without even the implied warranty of
011    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012    // GNU General Public License for more details.
013    //
014    // You should have received a copy of the GNU Lesser General Public
015    // License along with this program; if not, write to the Free Software
016    // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
017    ///////////////////////////////////////////////////////////////////////////////
018    
019    package de.spieleck.app.turn.splitting;
020    
021    import java.io.IOException;
022    
023    import de.spieleck.app.turn.SplittingMode;
024    import de.spieleck.app.turn.LineSource;
025    
026    /**
027     * Abstract base for programming SplittingMode's.
028     * <br />
029     * Also contains the static {@link #transposeSplit} API to
030     * convert Splittings from one format to another.
031     *
032     * <p><a href="$URL: https://svn.sourceforge.net/svnroot/jtourney/src/de/spieleck/app/turn/splitting/BaseSplitter.java $">$URL: https://svn.sourceforge.net/svnroot/jtourney/src/de/spieleck/app/turn/splitting/BaseSplitter.java $</a></p>
033     *
034     * @author Frank S. Nestel
035     * @author $Author: nestefan $
036     * @version $Revision: 2 $ $Date: 2006-03-20 14:33:27 +0100 (Mo, 20 Mrz 2006) $ $Author: nestefan $
037     */
038    public abstract class BaseSplitter
039        implements SplittingMode
040    {
041        public void init(LineSource ls)
042            throws IOException
043        {
044        }
045    
046        public String toString()
047        {
048            return getClass().getSimpleName();
049        }
050    
051        /**
052         * "Transposes" a split from the counted to the seated format.
053         * 
054         * That is [0,2,1] becomes [1,1,2].
055         * That is [0,0,2,3] becomes [2,2,3,3,3].
056         * That is [0,0,0,0,2,6] becomes [4,4,5,5,5,5,5,5].
057         */
058        public static int[] transposeSplit(int[] split)
059        {
060            int sum = 0;
061            for(int i = 0; i < split.length; i++)
062                sum += split[i];
063            int[] res = new int[sum];
064            int j = 0;
065            for(int i = 0; i < split.length; i++)
066                for(int k = 0; k < split[i]; k++)
067                    res[j++] = i;
068            return res;
069        }
070    }