72 lines
2.2 KiB
Java
72 lines
2.2 KiB
Java
package com.bytezone.diskbrowser.disk;
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import java.util.ArrayList;
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import java.util.List;
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// -----------------------------------------------------------------------------------//
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public class SectorListConverter
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// -----------------------------------------------------------------------------------//
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{
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public final List<DiskAddress> sectors;
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public final String sectorText;
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// ---------------------------------------------------------------------------------//
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public SectorListConverter (String text, Disk disk)
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// ---------------------------------------------------------------------------------//
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{
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sectors = new ArrayList<> ();
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sectorText = text;
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for (String s : text.split (";"))
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{
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int pos = s.indexOf ('-');
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if (pos > 0)
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{
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int lo = Integer.parseInt (s.substring (0, pos));
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int hi = Integer.parseInt (s.substring (pos + 1));
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for (int i = lo; i <= hi; i++)
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sectors.add (disk.getDiskAddress (i));
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}
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else
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sectors.add (disk.getDiskAddress (Integer.parseInt (s)));
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}
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}
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// ---------------------------------------------------------------------------------//
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public SectorListConverter (List<DiskAddress> sectors)
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// ---------------------------------------------------------------------------------//
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{
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this.sectors = sectors;
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StringBuilder text = new StringBuilder ();
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int firstBlock = -2;
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int runLength = 0;
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for (DiskAddress da : sectors)
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{
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if (da.getBlockNo () == firstBlock + 1 + runLength)
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{
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++runLength;
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continue;
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}
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if (firstBlock >= 0)
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addToText (text, firstBlock, runLength);
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firstBlock = da.getBlockNo ();
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runLength = 0;
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}
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addToText (text, firstBlock, runLength);
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sectorText = text.deleteCharAt (text.length () - 1).toString ();
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}
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// ---------------------------------------------------------------------------------//
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private void addToText (StringBuilder text, int firstBlock, int runLength)
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// ---------------------------------------------------------------------------------//
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{
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if (runLength == 0)
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text.append (firstBlock + ";");
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else
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text.append (firstBlock + "-" + (firstBlock + runLength) + ";");
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}
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} |