mirror of
https://github.com/badvision/jace.git
synced 2024-11-24 15:30:51 +00:00
Fixed bugs in the mass-storage implementation. Directories can be mounted via drag/drop, file information is now property reported including dates, and now large files >128k work correctly.
This commit is contained in:
Brendan Robert
parent
cf87f30e35
commit
4021af3ac6
@ -123,7 +123,7 @@ public class JaceUIController {
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return null;
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}
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for (File f : files) {
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if (f.isFile()) return f;
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if (f.exists()) return f;
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}
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return null;
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}
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@ -30,11 +30,14 @@ import java.util.logging.Logger;
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/**
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* Prodos directory node
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* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
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*
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* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
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*/
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public class DirectoryNode extends DiskNode implements FileFilter {
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// public static int FILE_ENTRY_SIZE = 38;
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public static int FILE_ENTRY_SIZE = 0x027;
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public DirectoryNode(ProdosVirtualDisk ownerFilesystem, File physicalDir, int baseBlock) throws IOException {
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setBaseBlock(baseBlock);
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init(ownerFilesystem, physicalDir);
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@ -44,7 +47,6 @@ public class DirectoryNode extends DiskNode implements FileFilter {
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init(ownerFilesystem, physicalDir);
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}
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private void init(ProdosVirtualDisk ownerFilesystem, File physicalFile) throws IOException {
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setPhysicalFile(physicalFile);
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setType(EntryType.SUBDIRECTORY);
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@ -78,7 +80,8 @@ public class DirectoryNode extends DiskNode implements FileFilter {
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@Override
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/**
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* Checks contents of subdirectory for changes as well as directory itself (super class)
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* Checks contents of subdirectory for changes as well as directory itself
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* (super class)
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*/
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public boolean checkFile() throws IOException {
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boolean success = true;
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@ -90,7 +93,7 @@ public class DirectoryNode extends DiskNode implements FileFilter {
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for (File f : realFileList) {
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realFiles.add(f.getName());
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}
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for (Iterator<DiskNode> i = getChildren().iterator(); i.hasNext(); ) {
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for (Iterator<DiskNode> i = getChildren().iterator(); i.hasNext();) {
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DiskNode node = i.next();
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if (realFiles.contains(node.getPhysicalFile().getName())) {
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realFiles.remove(node.getPhysicalFile().getName());
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@ -119,14 +122,15 @@ public class DirectoryNode extends DiskNode implements FileFilter {
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checkFile();
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if (block == 0) {
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generateHeader(buffer);
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for (int i=0; i < 12 && i < children.size(); i++)
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generateFileEntry(buffer, 4 + (i+1) * FILE_ENTRY_SIZE, i);
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for (int i = 0; i < 12 && i < children.size(); i++) {
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generateFileEntry(buffer, 4 + (i + 1) * FILE_ENTRY_SIZE, i);
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}
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} else {
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int start = (block * 13) - 1;
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int end = start + 13;
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int offset = 4;
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for (int i=start; i < end && i < children.size(); i++) {
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for (int i = start; i < end && i < children.size(); i++) {
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// TODO: Add any parts that are not file entries.
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generateFileEntry(buffer, offset, i);
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offset += FILE_ENTRY_SIZE;
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@ -136,7 +140,9 @@ public class DirectoryNode extends DiskNode implements FileFilter {
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@Override
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public boolean accept(File file) {
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if (file.getName().endsWith("~")) return false;
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if (file.getName().endsWith("~")) {
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return false;
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}
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char c = file.getName().charAt(0);
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if (c == '.' || c == '~') {
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return false;
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@ -146,24 +152,27 @@ public class DirectoryNode extends DiskNode implements FileFilter {
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/**
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* Generate the directory header found in the base block of a directory
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*
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* @param buffer where to write data
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*/
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@SuppressWarnings("static-access")
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private void generateHeader(byte[] buffer) {
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// System.out.println("Generating directory header");
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// Previous block = 0
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generateWord(buffer, 0,0);
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generateWord(buffer, 0, 0);
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// Next block
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int nextBlock = 0;
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if (!additionalNodes.isEmpty())
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if (!additionalNodes.isEmpty()) {
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nextBlock = additionalNodes.get(0).baseBlock;
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}
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generateWord(buffer, 0x02, nextBlock);
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// Directory header + name length
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// Volumme header = 0x0f0; Subdirectory header = 0x0e0
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buffer[4]= (byte) ((baseBlock == 0x02 ? 0x0f0 : 0x0E0) + getName().length());
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buffer[4] = (byte) ((baseBlock == 0x02 ? 0x0f0 : 0x0E0) + getName().length());
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generateName(buffer, 5, this);
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for (int i=0x014 ; i <= 0x01b; i++)
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for (int i = 0x014; i <= 0x01b; i++) {
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buffer[i] = 0;
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}
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generateTimestamp(buffer, 0x01c, getPhysicalFile().lastModified());
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// Prodos 1.9
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buffer[0x020] = 0x019;
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@ -185,6 +194,7 @@ public class DirectoryNode extends DiskNode implements FileFilter {
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/**
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* Generate the entry of a directory
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*
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* @param buffer where to write data
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* @param offset starting offset in buffer to write
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* @param fileNumber number of file (indexed in Children array) to write
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@ -192,17 +202,17 @@ public class DirectoryNode extends DiskNode implements FileFilter {
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private void generateFileEntry(byte[] buffer, int offset, int fileNumber) throws IOException {
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// System.out.println("Generating entry for "+children.get(fileNumber).getName());
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DiskNode child = children.get(fileNumber);
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child.allocate();
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// Entry Type and length
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buffer[offset] = (byte) ((child.getType().code << 4) + child.getName().length());
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// Name
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generateName(buffer, offset+1, child);
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generateName(buffer, offset + 1, child);
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// File type
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buffer[offset + 0x010] = (byte) ((child instanceof DirectoryNode) ? 0x0f : ((FileNode) child).fileType);
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// Key pointer
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generateWord(buffer, offset + 0x011, child.getBaseBlock());
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// Blocks used -- will report only one unless file is actually allocated
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// child.allocate();
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generateWord(buffer, offset + 0x013, 1 + child.additionalNodes.size());
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generateWord(buffer, offset + 0x013, child.additionalNodes.size());
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// EOF
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// TODO: Verify this is the right thing to do -- is EOF total length or a modulo?
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int length = ((int) child.physicalFile.length()) & 0x0ffffff;
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@ -214,11 +224,12 @@ public class DirectoryNode extends DiskNode implements FileFilter {
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buffer[offset + 0x01c] = 0x19;
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// Minimum version = 0
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buffer[offset + 0x01d] = 0;
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// Access = all granted
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buffer[offset + 0x01e] = (byte) 0x0ff;
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// Access = Read-only
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buffer[offset + 0x01e] = (byte) 0x001;
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// AUX type
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if (child instanceof FileNode)
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if (child instanceof FileNode) {
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generateWord(buffer, offset + 0x01f, ((FileNode) child).loadAddress);
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}
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// Modification date
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generateTimestamp(buffer, offset + 0x021, child.physicalFile.lastModified());
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// Key pointer for directory
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@ -231,26 +242,22 @@ public class DirectoryNode extends DiskNode implements FileFilter {
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// yyyyyyym mmmddddd - Byte 0,1
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// ---hhhhh --mmmmmm - Byte 2,3
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// buffer[offset+1] = (byte) (((c.get(Calendar.YEAR) - 1990) << 1) + ((c.get(Calendar.MONTH)>> 3) & 1));
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buffer[offset+0] = 0;
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buffer[offset+1] = 0;
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buffer[offset+2] = 0;
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buffer[offset+3] = 0;
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buffer[offset+1] = (byte) (((c.get(Calendar.YEAR) - 2000) << 1) | ((c.get(Calendar.MONTH)+1)>> 3));
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// buffer[offset+2] = (byte) ((c.get(Calendar.MONTH)>> 3) & 1);
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// buffer[offset+3] = (byte) (((c.get(Calendar.MONTH)&7) + c.get(Calendar.DAY_OF_MONTH)) & 0x0ff);
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// buffer[offset+0] = (byte) c.get(Calendar.HOUR_OF_DAY);
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// buffer[offset+1] = (byte) c.get(Calendar.MINUTE);
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buffer[offset+0] = (byte) (((((c.get(Calendar.MONTH)+1)&7)<<5) | c.get(Calendar.DAY_OF_MONTH)) & 0x0ff);
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buffer[offset+3] = (byte) c.get(Calendar.HOUR_OF_DAY);
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buffer[offset+2] = (byte) c.get(Calendar.MINUTE);
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}
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private void generateWord(byte[] buffer, int i, int value) {
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// Little endian format
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buffer[i] = (byte) (value & 0x0ff);
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buffer[i+1] = (byte) ((value >> 8) & 0x0ff);
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buffer[i + 1] = (byte) ((value >> 8) & 0x0ff);
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}
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private void generateName(byte[] buffer, int offset, DiskNode node) {
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for (int i=0; i < node.getName().length(); i++) {
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buffer[offset+i] = (byte) node.getName().charAt(i);
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for (int i = 0; i < node.getName().length(); i++) {
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buffer[offset + i] = (byte) node.getName().charAt(i);
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}
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}
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@ -100,7 +100,7 @@ public abstract class DiskNode {
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}
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}
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public void refresh() {
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public void refresh() throws IOException {
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ownerFilesystem.deallocateEntry(this);
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doRefresh();
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allocationTime = System.currentTimeMillis();
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@ -21,6 +21,7 @@ package jace.hardware.massStorage;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.util.Arrays;
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/**
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* Representation of a prodos file with a known file type and having a known
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@ -81,16 +82,18 @@ public class FileNode extends DiskNode {
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} else if (fileSize <= SAPLING_MAX_SIZE) {
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setType(EntryType.SAPLING);
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return EntryType.SAPLING;
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} else {
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setType(EntryType.TREE);
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return EntryType.TREE;
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}
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setType(EntryType.TREE);
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return EntryType.TREE;
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}
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@Override
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public void setName(String name) {
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String[] parts = name.split("\\.");
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FileType t = null;
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String[] parts = name.replaceAll("[^A-Za-z0-9]", ".").split("\\.");
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FileType t = FileType.UNKNOWN;
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int offset = 0;
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String prodosName = name;
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if (parts.length > 1) {
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String extension = parts[parts.length - 1].toUpperCase();
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String[] extParts = extension.split("#");
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@ -103,17 +106,14 @@ public class FileNode extends DiskNode {
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} catch (IllegalArgumentException ex) {
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System.out.println("Not sure what extension " + extension + " is!");
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}
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name = "";
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prodosName = "";
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for (int i = 0; i < parts.length - 1; i++) {
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name += (i > 0 ? "." + parts[i] : parts[i]);
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prodosName += (i > 0 ? "." + parts[i] : parts[i]);
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}
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if (extParts[extParts.length - 1].equals("SYSTEM")) {
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name += ".SYSTEM";
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prodosName += ".SYSTEM";
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}
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}
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if (t == null) {
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t = FileType.UNKNOWN;
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}
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if (offset == 0) {
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offset = t.defaultLoadAddress;
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}
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@ -121,12 +121,13 @@ public class FileNode extends DiskNode {
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loadAddress = offset;
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// Pass usable name (stripped of file extension and other type info) as name
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super.setName(name);
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super.setName(prodosName);
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}
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public FileNode(ProdosVirtualDisk ownerFilesystem, File file) throws IOException {
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setOwnerFilesystem(ownerFilesystem);
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setPhysicalFile(file);
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setName(file.getName());
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}
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@Override
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@ -135,16 +136,19 @@ public class FileNode extends DiskNode {
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@Override
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public void doAllocate() throws IOException {
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int dataBlocks = (int) ((getPhysicalFile().length() / ProdosVirtualDisk.BLOCK_SIZE) + 1);
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int treeBlocks;
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if (dataBlocks > 1 && dataBlocks < 257) {
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treeBlocks = 1;
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} else {
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treeBlocks = 1 + (dataBlocks / 256);
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}
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for (int i = 1; i < dataBlocks + treeBlocks; i++) {
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SubNode subNode = new SubNode(i, this);
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int dataBlocks = (int) ((getPhysicalFile().length()+ProdosVirtualDisk.BLOCK_SIZE-1) / ProdosVirtualDisk.BLOCK_SIZE);
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int treeBlocks =(((dataBlocks * 2) + (ProdosVirtualDisk.BLOCK_SIZE-2)) / ProdosVirtualDisk.BLOCK_SIZE);
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if (treeBlocks > 1) treeBlocks++;
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// if (dataBlocks > 1 && (dataBlocks*2) < ProdosVirtualDisk.BLOCK_SIZE) {
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// treeBlocks = 1;
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// } else {
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// treeBlocks = 1 + (dataBlocks * 2 / ProdosVirtualDisk.BLOCK_SIZE);
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// }
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System.out.println("Allocating "+(dataBlocks + treeBlocks)+" blocks for file "+getName()+"; data "+dataBlocks+"; tree "+treeBlocks);
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for (int i = 0; i < dataBlocks + treeBlocks; i++) {
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new SubNode(i, this);
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}
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setBaseBlock(additionalNodes.get(0).getBaseBlock());
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}
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@Override
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@ -154,6 +158,9 @@ public class FileNode extends DiskNode {
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@Override
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public void readBlock(int block, byte[] buffer) throws IOException {
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// System.out.println("Read block "+block+" of file "+getName());
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int dataBlocks = (int) ((getPhysicalFile().length()+ProdosVirtualDisk.BLOCK_SIZE-1) / ProdosVirtualDisk.BLOCK_SIZE);
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int treeBlocks =(((dataBlocks * 2) + (ProdosVirtualDisk.BLOCK_SIZE-2)) / ProdosVirtualDisk.BLOCK_SIZE);
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if (treeBlocks > 1) treeBlocks++;
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switch (this.getType()) {
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case SEEDLING:
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readFile(buffer, 0);
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@ -163,20 +170,20 @@ public class FileNode extends DiskNode {
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readFile(buffer, (block - 1));
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} else {
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// Generate seedling index block
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generateIndex(buffer, 0, 256);
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generateIndex(buffer, 0, dataBlocks);
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}
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break;
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case TREE:
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int dataBlocks = (int) ((getPhysicalFile().length() / ProdosVirtualDisk.BLOCK_SIZE) + 1);
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int treeBlocks = (dataBlocks / 256);
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if (block == 0) {
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generateIndex(buffer, 0, treeBlocks);
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} else if (block < treeBlocks) {
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int start = treeBlocks + (block - 1 * 256);
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int end = Math.min(start + 256, treeBlocks);
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generateIndex(buffer, treeBlocks, end);
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System.out.println("Reading index for "+getName());
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generateIndex(buffer, 1, treeBlocks);
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} else if (block <= treeBlocks) {
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System.out.println("Reading tree block "+block+" for "+getName());
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int start = treeBlocks + ((block - 1) * 256);
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int end = treeBlocks + dataBlocks;
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generateIndex(buffer, start, end);
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} else {
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readFile(buffer, (block - treeBlocks));
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readFile(buffer, (block - treeBlocks - 1));
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}
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break;
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}
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@ -190,10 +197,22 @@ public class FileNode extends DiskNode {
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}
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private void generateIndex(byte[] buffer, int indexStart, int indexLimit) {
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int pos = 0;
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for (int i = indexStart; pos < 256 && i < indexLimit && i < additionalNodes.size(); i++, pos++) {
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buffer[pos] = (byte) (additionalNodes.get(i).baseBlock & 0x0ff);
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buffer[pos + 256] = (byte) ((additionalNodes.get(i).baseBlock >> 8) & 0x0ff);
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System.out.println("Index block contents:");
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Arrays.fill(buffer, (byte) 0);
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for (int i = indexStart, count=0; count < 256 && i < indexLimit && i < additionalNodes.size(); i++, count++) {
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int base = additionalNodes.get(i).baseBlock;
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System.out.print(Integer.toHexString(base)+":");
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buffer[count] = (byte) (base & 0x0ff);
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buffer[count + 256] = (byte) (base >> 8);
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}
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System.out.println();
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for (int i=0; i < 256; i++) {
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System.out.printf("%02X ",buffer[i]&0x0ff);
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}
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System.out.println();
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for (int i=256; i < 512; i++) {
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System.out.printf("%02X ",buffer[i]&0x0ff);
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}
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System.out.println();
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}
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}
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}
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@ -38,7 +38,7 @@ import java.util.logging.Logger;
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* is a folder and not a disk image. FreespaceBitmap and the various Node
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* classes are used to represent the filesystem structure.
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*
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* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
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* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
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*/
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public class ProdosVirtualDisk implements IDisk {
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@ -61,7 +61,7 @@ public class ProdosVirtualDisk implements IDisk {
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DiskNode node = physicalMap.get(block);
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Arrays.fill(ioBuffer, (byte) (block & 0x0ff));
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if (node == null) {
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System.out.println("Reading unknown block?!");
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System.out.println("Reading unknown block " + Integer.toHexString(block));
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for (int i = 0; i < BLOCK_SIZE; i++) {
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memory.write(bufferAddress + i, (byte) 0, false, false);
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}
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@ -132,11 +132,15 @@ public class ProdosVirtualDisk implements IDisk {
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}
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// Mark space occupied by node
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public void allocateEntry(DiskNode node) {
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public void allocateEntry(DiskNode node) throws IOException {
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physicalMap.put(node.baseBlock, node);
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node.additionalNodes.stream().forEach((sub) -> {
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physicalMap.put(sub.getBaseBlock(), sub);
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});
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for (DiskNode subnode : node.additionalNodes) {
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int blockNum = getNextFreeBlock();
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System.out.println("Allocating block " + Integer.toHexString(blockNum) + " for " + subnode.getName());
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subnode.setBaseBlock(blockNum);
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physicalMap.put(blockNum, subnode);
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}
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}
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// Mark space occupied by nodes as free (remove allocation mapping)
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@ -145,11 +149,11 @@ public class ProdosVirtualDisk implements IDisk {
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if (physicalMap.get(node.baseBlock) != null && physicalMap.get(node.baseBlock).equals(node)) {
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physicalMap.remove(node.baseBlock);
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}
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node.additionalNodes.stream().filter((sub) ->
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(physicalMap.get(sub.getBaseBlock()) != null && physicalMap.get(sub.baseBlock).equals(sub))).
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node.additionalNodes.stream().filter((sub)
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-> (physicalMap.get(sub.getBaseBlock()) != null && physicalMap.get(sub.baseBlock).equals(sub))).
|
||||
forEach((sub) -> {
|
||||
physicalMap.remove(sub.getBaseBlock());
|
||||
});
|
||||
physicalMap.remove(sub.getBaseBlock());
|
||||
});
|
||||
}
|
||||
|
||||
// Is the specified block in use?
|
||||
@ -200,7 +204,6 @@ public class ProdosVirtualDisk implements IDisk {
|
||||
freespaceBitmap = new FreespaceBitmap(this, FREESPACE_BITMAP_START);
|
||||
allocateEntry(freespaceBitmap);
|
||||
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
|
||||
@ -31,7 +31,6 @@ import java.io.IOException;
|
||||
public class SubNode extends DiskNode {
|
||||
|
||||
int sequenceNumber;
|
||||
private int seq;
|
||||
|
||||
public SubNode(int seq, DiskNode parent) throws IOException {
|
||||
init(seq, parent);
|
||||
@ -49,6 +48,11 @@ public class SubNode extends DiskNode {
|
||||
parent.additionalNodes.add(this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getName() {
|
||||
return parent.getName() + "; block "+sequenceNumber;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void doDeallocate() {
|
||||
}
|
||||
|
||||
@ -49,7 +49,7 @@ public enum DiskType {
|
||||
}
|
||||
|
||||
static public DiskType determineType(File file) {
|
||||
if (!file.exists()) return null;
|
||||
if (file == null || !file.exists()) return null;
|
||||
if (file.isDirectory()) return VIRTUAL;
|
||||
if (file.getName().toLowerCase().endsWith("hdv")) {
|
||||
return LARGE;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user