105 lines
3.0 KiB
Java
105 lines
3.0 KiB
Java
package com.bytezone.diskbrowser.applefile;
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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 Selector extends AbstractFile
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// -----------------------------------------------------------------------------------//
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{
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int numRunListEntries;
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int numOtherRunListEntries;
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List<Entry> entries = new ArrayList<> ();
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List<Path> paths = new ArrayList<> ();
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// ---------------------------------------------------------------------------------//
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public Selector (String name, byte[] buffer)
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// ---------------------------------------------------------------------------------//
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{
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super (name, buffer);
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numRunListEntries = buffer[0] & 0xFF;
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numOtherRunListEntries = buffer[1] & 0xFF;
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int ptr = 2;
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for (int i = 0; i < 24; i++)
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{
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entries.add (new Entry (buffer, ptr));
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ptr += 16;
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}
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ptr = 386;
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for (int i = 0; i < 24; i++)
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{
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paths.add (new Path (buffer, ptr));
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ptr += 64;
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}
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}
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// ---------------------------------------------------------------------------------//
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@Override
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public String getText ()
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// ---------------------------------------------------------------------------------//
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{
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StringBuilder text = new StringBuilder ();
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text.append ("Name : " + name + "\n");
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text.append (String.format ("Length : $%04X (%<,d)%n%n", buffer.length));
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text.append (String.format ("NumRunListEntries ....... %d%n", buffer[0]));
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text.append (String.format ("NumOtherRunListEntries .. %d%n%n", buffer[1]));
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text.append ("Name Copy Path\n");
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text.append ("-------------- ---------- ------------------------------------\n");
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for (int i = 0; i < entries.size (); i++)
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{
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Entry entry = entries.get (i);
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Path path = paths.get (i);
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if (entry.labelLength > 0)
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text.append (String.format ("%-14s %-10s %s%n", entry.label, entry.copyText,
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path.pathName));
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}
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return text.toString ();
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}
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// ---------------------------------------------------------------------------------//
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class Entry
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// ---------------------------------------------------------------------------------//
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{
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int labelLength;
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String label;
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byte copyFlags;
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String copyText;
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public Entry (byte[] buffer, int ptr)
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{
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labelLength = buffer[ptr] & 0xFF;
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label = new String (buffer, ptr + 1, labelLength);
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copyFlags = buffer[ptr + 15];
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copyText = switch (copyFlags & 0xFF)
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{
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case 0x00 -> "First boot";
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case 0x80 -> "First use";
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case 0xC0 -> "Never";
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default -> "Unknown";
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};
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}
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}
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// ---------------------------------------------------------------------------------//
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class Path
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// ---------------------------------------------------------------------------------//
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{
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int length;
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String pathName;
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public Path (byte[] buffer, int ptr)
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{
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length = buffer[ptr] & 0xFF;
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pathName = new String (buffer, ptr + 1, length);
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}
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}
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}
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