mirror of
https://github.com/AppleCommander/AppleCommander.git
synced 2024-10-31 16:04:51 +00:00
Added ability to set values; work is done from readFileEntry and
writeFileEntry.
This commit is contained in:
parent
45c415b9e6
commit
edb1bed60f
@ -31,42 +31,87 @@ public class ProdosCommonDirectoryHeader extends ProdosCommonEntry {
|
||||
* Constructor for ProdosCommonDirectoryHeader.
|
||||
* @param fileEntry
|
||||
*/
|
||||
public ProdosCommonDirectoryHeader(byte[] fileEntry) {
|
||||
super(fileEntry);
|
||||
public ProdosCommonDirectoryHeader(ProdosFormatDisk disk, int block) {
|
||||
super(disk, block, 4); // directory entries are always offset 4, right?
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the length of each entry. Expected to be 0x27.
|
||||
*/
|
||||
public int getEntryLength() {
|
||||
return AppleUtil.getUnsignedByte(getFileEntry()[0x1f]);
|
||||
return AppleUtil.getUnsignedByte(readFileEntry()[0x1f]);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the length of each entry.
|
||||
*/
|
||||
public void setEntryLength() {
|
||||
byte[] data = readFileEntry();
|
||||
data[0x1f] = (byte) ENTRY_LENGTH;
|
||||
writeFileEntry(data);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the number of entries per block. Expected to be 0x0d.
|
||||
*/
|
||||
public int getEntriesPerBlock() {
|
||||
return AppleUtil.getUnsignedByte(getFileEntry()[0x20]);
|
||||
return AppleUtil.getUnsignedByte(readFileEntry()[0x20]);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the number of entries per block.
|
||||
*/
|
||||
public void setEntriesPerBlock() {
|
||||
byte[] data = readFileEntry();
|
||||
data[0x20] = 0x0d;
|
||||
writeFileEntry(data);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the number of active entries in the volume directory.
|
||||
*/
|
||||
public int getFileCount() {
|
||||
return AppleUtil.getWordValue(getFileEntry(), 0x21);
|
||||
return AppleUtil.getWordValue(readFileEntry(), 0x21);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the number of active entries in the volume directory.
|
||||
*/
|
||||
public void setFileCount(int fileCount) {
|
||||
byte[] data = readFileEntry();
|
||||
AppleUtil.setWordValue(data, 0x21, fileCount);
|
||||
writeFileEntry(data);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the block number of the bit map.
|
||||
*/
|
||||
public int getBitMapPointer() {
|
||||
return AppleUtil.getWordValue(getFileEntry(), 0x23);
|
||||
return AppleUtil.getWordValue(readFileEntry(), 0x23);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the block number of the bit map.
|
||||
*/
|
||||
public void setBitMapPointer(int blockNumber) {
|
||||
byte[] data = readFileEntry();
|
||||
AppleUtil.setWordValue(data, 0x23, blockNumber);
|
||||
writeFileEntry(data);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the total number of blocks on this volume.
|
||||
*/
|
||||
public int getTotalBlocks() {
|
||||
return AppleUtil.getWordValue(getFileEntry(), 0x25);
|
||||
return AppleUtil.getWordValue(readFileEntry(), 0x25);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the total number of blocks on this volume.
|
||||
*/
|
||||
public void setTotalBlocks(int totalBlocks) {
|
||||
byte[] data = readFileEntry();
|
||||
AppleUtil.setWordValue(data, 0x25, totalBlocks);
|
||||
writeFileEntry(data);
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user