dmolony-DiskBrowser/src/com/bytezone/diskbrowser/applefile/VisicalcFile.java

52 lines
1.5 KiB
Java

package com.bytezone.diskbrowser.applefile;
import com.bytezone.diskbrowser.visicalc.Sheet;
// -----------------------------------------------------------------------------------//
public class VisicalcFile extends AbstractFile
// -----------------------------------------------------------------------------------//
{
private Sheet sheet;
// ---------------------------------------------------------------------------------//
public VisicalcFile (String name, byte[] buffer)
// ---------------------------------------------------------------------------------//
{
super (name, buffer);
}
// ---------------------------------------------------------------------------------//
@Override
public String getText ()
// ---------------------------------------------------------------------------------//
{
if (sheet == null)
sheet = new Sheet (buffer);
StringBuilder text = new StringBuilder ();
text.append ("Visicalc : " + name + "\n\n");
text.append (sheet.getTextDisplay (showDebugText));
return text.toString ();
}
// ---------------------------------------------------------------------------------//
public static boolean isVisicalcFile (byte[] buffer)
// ---------------------------------------------------------------------------------//
{
int firstByte = buffer[0] & 0xFF;
if (firstByte != 0xBE && firstByte != 0xAF)
return false;
int last = buffer.length - 1;
while (buffer[last] == 0)
last--;
if (buffer[last] != (byte) 0x8D)
return false;
return true;
}
}