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