95 lines
3.4 KiB
Java
95 lines
3.4 KiB
Java
package com.bytezone.diskbrowser.pascal;
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import java.time.LocalDate;
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import java.util.ArrayList;
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import java.util.GregorianCalendar;
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import java.util.List;
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import com.bytezone.diskbrowser.applefile.AbstractFile;
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import com.bytezone.diskbrowser.applefile.AppleFileSource;
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import com.bytezone.diskbrowser.disk.Disk;
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import com.bytezone.diskbrowser.disk.DiskAddress;
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import com.bytezone.diskbrowser.disk.FormattedDisk;
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import com.bytezone.diskbrowser.utilities.HexFormatter;
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import com.bytezone.diskbrowser.utilities.Utility;
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// -----------------------------------------------------------------------------------//
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abstract class CatalogEntry implements AppleFileSource
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// -----------------------------------------------------------------------------------//
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{
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protected AbstractFile file;
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protected final PascalDisk parent;
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protected String name;
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protected int firstBlock;
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protected int lastBlock; // block AFTER last used block
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protected int fileType;
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protected GregorianCalendar date;
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protected LocalDate localDate;
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protected int bytesUsedInLastBlock;
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protected final List<DiskAddress> blocks = new ArrayList<> ();
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// ---------------------------------------------------------------------------------//
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CatalogEntry (PascalDisk parent, byte[] buffer)
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// ---------------------------------------------------------------------------------//
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{
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this.parent = parent;
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firstBlock = Utility.getShort (buffer, 0);
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lastBlock = Utility.getShort (buffer, 2);
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fileType = buffer[4] & 0xFF;
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name = HexFormatter.getPascalString (buffer, 6);
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bytesUsedInLastBlock = Utility.getShort (buffer, 16);
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Disk disk = parent.getDisk ();
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int max = Math.min (lastBlock, disk.getTotalBlocks ());
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for (int i = firstBlock; i < max; i++)
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blocks.add (disk.getDiskAddress (i));
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public boolean contains (DiskAddress da)
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// ---------------------------------------------------------------------------------//
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{
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for (DiskAddress sector : blocks)
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if (sector.matches (da))
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return true;
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return false;
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public List<DiskAddress> getSectors ()
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// ---------------------------------------------------------------------------------//
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{
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return new ArrayList<> (blocks); // make a copy
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public FormattedDisk getFormattedDisk ()
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// ---------------------------------------------------------------------------------//
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{
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return parent;
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public String getUniqueName ()
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// ---------------------------------------------------------------------------------//
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{
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return name;
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public String toString ()
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// ---------------------------------------------------------------------------------//
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{
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int size = lastBlock - firstBlock;
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String fileTypeText =
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fileType < 0 || fileType >= parent.fileTypes.length ? "????" : parent.fileTypes[fileType];
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return String.format ("%03d %s %-15s", size, fileTypeText, name);
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}
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} |