2016-02-24 21:11:14 +00:00
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package com.bytezone.diskbrowser.utilities;
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2015-06-01 09:35:51 +00:00
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2021-04-15 07:27:20 +00:00
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import java.io.File;
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2015-06-01 09:35:51 +00:00
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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2021-04-17 02:14:06 +00:00
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import java.time.LocalDateTime;
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2015-06-01 09:35:51 +00:00
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import java.util.ArrayList;
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import java.util.List;
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2021-04-17 02:14:06 +00:00
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import com.bytezone.diskbrowser.prodos.write.DiskFullException;
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2021-04-16 11:08:59 +00:00
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import com.bytezone.diskbrowser.prodos.write.ProdosDisk;
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2020-02-07 23:26:38 +00:00
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// -----------------------------------------------------------------------------------//
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2015-06-01 09:35:51 +00:00
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public class NuFX
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2020-02-07 23:26:38 +00:00
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// -----------------------------------------------------------------------------------//
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{
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private MasterHeader masterHeader;
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private final byte[] buffer;
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private final boolean debug = false;
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2020-02-02 10:17:49 +00:00
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private final List<Record> records = new ArrayList<> ();
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private int totalFiles;
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private int totalDisks;
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2015-06-01 09:35:51 +00:00
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2020-02-07 23:26:38 +00:00
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// ---------------------------------------------------------------------------------//
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public NuFX (Path path) throws FileFormatException, IOException
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// ---------------------------------------------------------------------------------//
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2015-06-01 09:35:51 +00:00
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{
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buffer = Files.readAllBytes (path);
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2016-12-15 00:01:42 +00:00
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2021-04-15 07:27:20 +00:00
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masterHeader = new MasterHeader (buffer);
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int dataPtr = 48;
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if (masterHeader.bin2)
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dataPtr += 128;
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if (debug)
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System.out.printf ("%s%n%n", masterHeader);
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for (int rec = 0; rec < masterHeader.getTotalRecords (); rec++)
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{
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Record record = new Record (buffer, dataPtr);
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records.add (record);
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if (debug)
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System.out.printf ("Record: %d%n%n%s%n%n", rec, record);
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dataPtr += record.getAttributes () + record.getFileNameLength ();
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int threadsPtr = dataPtr;
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dataPtr += record.getTotalThreads () * 16;
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2015-06-01 09:35:51 +00:00
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2021-03-29 01:04:01 +00:00
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for (int i = 0; i < record.getTotalThreads (); i++)
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{
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Thread thread = new Thread (buffer, threadsPtr + i * 16, dataPtr);
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record.threads.add (thread);
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dataPtr += thread.getCompressedEOF ();
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if (debug)
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System.out.printf ("Thread: %d%n%n%s%n%n", i, thread);
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}
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if (record.hasFile ())
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++totalFiles;
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if (record.hasDisk ())
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++totalDisks;
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2015-06-01 09:35:51 +00:00
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}
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}
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// ---------------------------------------------------------------------------------//
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public byte[] getDiskBuffer ()
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// ---------------------------------------------------------------------------------//
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{
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if (totalDisks > 0)
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{
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for (Record record : records)
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for (Thread thread : record.threads)
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if (thread.hasDisk ())
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return thread.getData ();
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}
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else if (totalFiles > 0)
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{
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try
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{
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ProdosDisk disk = new ProdosDisk (3200, "DISKBROWSER");
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int count = 0;
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for (Record record : records)
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{
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if (record.hasFile ())
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{
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String fileName = record.getFileName ();
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int fileSize = record.getFileSize ();
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byte fileType = (byte) record.getFileType ();
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int eof = record.getUncompressedSize ();
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int auxType = record.getAuxType ();
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LocalDateTime created = record.getCreated ();
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LocalDateTime modified = record.getModified ();
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byte[] buffer = record.getData ();
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System.out.printf ("%3d %-35s %,7d %02X %,7d %,7d %,7d %s %s%n",
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++count, fileName, fileSize, fileType, eof, auxType, buffer.length,
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created, modified);
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disk.addFile (fileName, fileType, auxType, created, modified, buffer);
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}
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}
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disk.close ();
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return disk.getBuffer ();
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}
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catch (IOException e)
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{
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e.printStackTrace ();
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}
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catch (DiskFullException e)
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{
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e.printStackTrace ();
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}
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}
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2015-06-01 09:35:51 +00:00
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return null;
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}
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2021-04-15 07:27:20 +00:00
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// ---------------------------------------------------------------------------------//
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public byte[] getFileBuffer (String fileName)
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// ---------------------------------------------------------------------------------//
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{
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for (Record record : records)
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if (record.hasFile (fileName))
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for (Thread thread : record.threads)
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if (thread.hasFile ())
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return thread.getData ();
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return null;
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}
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// ---------------------------------------------------------------------------------//
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public int getTotalFiles ()
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// ---------------------------------------------------------------------------------//
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{
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return totalFiles;
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}
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// ---------------------------------------------------------------------------------//
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public int getTotalDisks ()
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// ---------------------------------------------------------------------------------//
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{
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return totalDisks;
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}
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// ---------------------------------------------------------------------------------//
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private void listFiles ()
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// ---------------------------------------------------------------------------------//
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{
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int count = 0;
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for (Record record : records)
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{
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if (record.hasFile ())
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System.out.printf ("%3d %-35s %,7d %d %,7d%n", count, record.getFileName (),
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record.getFileSize (), record.getFileType (), record.getUncompressedSize ());
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count++;
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}
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}
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2020-02-07 23:26:38 +00:00
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// ---------------------------------------------------------------------------------//
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2015-06-01 09:35:51 +00:00
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@Override
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public String toString ()
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2020-02-07 23:26:38 +00:00
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// ---------------------------------------------------------------------------------//
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2015-06-01 09:35:51 +00:00
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{
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2021-04-15 07:27:20 +00:00
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for (Record record : records)
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for (Thread thread : record.threads)
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if (thread.hasDisk ())
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return thread.toString ();
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2015-06-01 09:35:51 +00:00
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return "no disk";
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}
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2021-04-15 07:27:20 +00:00
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// ---------------------------------------------------------------------------------//
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public static void main (String[] args) throws FileFormatException, IOException
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// ---------------------------------------------------------------------------------//
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{
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2021-04-17 02:14:06 +00:00
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File file = new File ("/Users/denismolony/Dropbox/Examples/SHK/DiversiCopy.3.1.shk");
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2021-04-15 07:27:20 +00:00
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NuFX nufx = new NuFX (file.toPath ());
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System.out.println (nufx);
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}
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2015-06-01 09:35:51 +00:00
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}
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