Apple-2-Tools/AppleCommander
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Migrated code to generate the formatted hex dump into AppleUtil.

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This commit is contained in:
Robert Greene 2003-12-11 05:32:28 +00:00
parent 4d9aeb9f67
commit 1691df0387
1 changed files with 2 additions and 58 deletions
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60
src/com/webcodepro/applecommander/storage/HexDumpFileFilter.java
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@ -21,9 +21,6 @@ package com.webcodepro.applecommander.storage;
import com.webcodepro.applecommander.util.AppleUtil;
import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
/**
* Filter the given file data to be the appropriate length.
* <p>
@ -31,16 +28,6 @@ import java.io.PrintWriter;
* @author: Rob Greene
*/
public class HexDumpFileFilter implements FileFilter {
/**
* This is the number of bytes to display per line.
*/
private static final int BYTES_PER_LINE = 16;
/**
* This is the ASCII space character as used by the Apple ][.
* The high bit is off.
*/
private static final int APPLE_SPACE = 0x20;
/**
* Constructor for BinaryFileFilter.
*/
@ -49,54 +36,11 @@ public class HexDumpFileFilter implements FileFilter {
}
/**
* Create the hex dump format. This is in the general form of:<br>
* MMMMMM: HH HH HH HH HH HH HH HH HH HH HH HH HH HH HH HH AAAAAAAA AAAAAAAA<br>
* Where MMMMMM = memory address, HH = hex byte, and
* A = ASCII character.
* Create the hex dump format.
* @see com.webcodepro.applecommander.storage.FileFilter#filter(byte[])
*/
public byte[] filter(FileEntry fileEntry) {
byte[] fileData = fileEntry.getFileData();
ByteArrayOutputStream output = new ByteArrayOutputStream();
PrintWriter printer = new PrintWriter(output);
printer.print(" Offset ");
printer.print("Hex Data ");
printer.println("Characters");
printer.print("======= ");
printer.print("================================================ ");
printer.println("=================");
for (int offset=0; offset<fileData.length; offset+= BYTES_PER_LINE) {
printer.print("$");
printer.print(AppleUtil.getFormatted3ByteAddress(offset));
printer.print(" ");
for (int b=0; b<BYTES_PER_LINE; b++) {
if (b == BYTES_PER_LINE / 2) printer.print(' ');
int index = offset+b;
printer.print( (index < fileData.length) ?
AppleUtil.getFormattedByte(fileData[index]) : "..");
printer.print(' ');
}
printer.print(' ');
for (int a=0; a<BYTES_PER_LINE; a++) {
if (a == BYTES_PER_LINE / 2) printer.print(' ');
int index = offset+a;
if (index < fileData.length) {
char ch = (char) (fileData[index] & 0x7f);
if ((byte)ch >= (byte)APPLE_SPACE) {
printer.print(ch);
} else {
printer.print('.');
}
} else {
printer.print(' ');
}
}
printer.println();
}
printer.println("** END **");
printer.flush();
printer.close();
return output.toByteArray();
return AppleUtil.getHexDump(fileEntry.getFileData()).getBytes();
}
/**