Apple-2-Tools/AppleCommander
1
0
Fork 0
mirror of https://github.com/AppleCommander/AppleCommander.git synced 2025-01-22 00:32:08 +00:00
Code Issues Projects Releases Wiki Activity

Don't assume a Pascal disk is in ProDOS order when writing text files.

Browse Source
This commit is contained in:
2011-10-15 07:10:11 +00:00
parent 0f7f950eaa
commit 9c262548b1
1 changed files with 45 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
src/com/webcodepro/applecommander/storage/os/pascal/PascalFileEntry.java
View File

@ -55,7 +55,7 @@ public class PascalFileEntry implements FileEntry {
private PascalFormatDisk disk;
private int index = 0;
private boolean deleted = false;
/**
* Constructor for PascalFileEntry.
*/
@ -64,7 +64,7 @@ public class PascalFileEntry implements FileEntry {
this.fileEntry = fileEntry;
this.disk = disk;
}
/**
* Get the block number of the file's 1st block.
*/
@ -92,7 +92,7 @@ public class PascalFileEntry implements FileEntry {
public void setLastBlock(int last) {
AppleUtil.setWordValue(fileEntry, 2, last);
}
/**
* Return the name of this file.
*/
@ -106,7 +106,7 @@ public class PascalFileEntry implements FileEntry {
public void setFilename(String filename) {
AppleUtil.setPascalString(fileEntry, 6, filename.toUpperCase(), 15);
}
/**
* Return the maximum filename length.
*/
@ -148,7 +148,7 @@ public class PascalFileEntry implements FileEntry {
AppleUtil.setWordValue(fileEntry, 4, 0);
}
}
/**
* Identify if this file is locked
*/
@ -162,21 +162,21 @@ public class PascalFileEntry implements FileEntry {
public void setLocked(boolean lock) {
// Not applicable to UCSD file system
}
/**
* Get the number of bytes used in files last block.
*/
public int getBytesUsedInLastBlock() {
return AppleUtil.getWordValue(fileEntry, 22);
}
/**
* Set the number of bytes used in files last block.
*/
public void setBytesUsedInLastBlock(int value) {
AppleUtil.setWordValue(fileEntry, 22, value);
}
/**
* Compute the size of this file (in bytes).
*/
@ -184,21 +184,21 @@ public class PascalFileEntry implements FileEntry {
int blocks = getBlocksUsed() - 1;
return blocks*Disk.BLOCK_SIZE + getBytesUsedInLastBlock();
}
/**
* Compute the blocks used.
*/
public int getBlocksUsed() {
return AppleUtil.getWordValue(fileEntry, 2) - AppleUtil.getWordValue(fileEntry, 0);
}
/**
* Pascal does not support directories.
*/
public boolean isDirectory() {
return false;
}
/**
* Retrieve the list of files in this directory.
* Always returns null, as Pascal does not support directories.
@ -206,7 +206,7 @@ public class PascalFileEntry implements FileEntry {
public List getFiles() {
return null;
}
/**
* Pascal file entries are removed upon deletion,
* so a file entry need not be marked as deleted.
@ -241,7 +241,7 @@ public class PascalFileEntry implements FileEntry {
deleted = true;
}
}
/**
* Get the file modification date.
*/
@ -383,23 +383,46 @@ public class PascalFileEntry implements FileEntry {
int last = getLastBlock();
if (fileEntry[4] == 3) { // text
data = filterText(data);
byte[] buf = new byte[1024];
byte[] buf1 = new byte[512];
byte[] buf2 = new byte[512];
int offset = 0;
int pages = 0;
disk.writeBlock(first, buf); pages++;
disk.writeBlock(first, buf1);
disk.writeBlock(first+1,buf2);
pages++;
while (offset + 1023 < data.length) {
if ((pages * 2) > (last - first - 2)) {
storageError(textBundle.get("PascalFileEntry.NotEnoughRoom")); //$NON-NLS-1$
}
int crPtr = findEOL(data, offset);
System.arraycopy(data, offset, buf, 0, crPtr - offset + 1);
disk.writeBlock(first + pages * 2, buf); pages++;
Arrays.fill(buf, (byte) 0);
System.arraycopy(data, offset, buf1, 0, crPtr - offset + 1 - 512);
System.arraycopy(data, offset+512, buf2, 0, crPtr - offset + 1 - 512);
disk.writeBlock(first + (pages * 2), buf1);
disk.writeBlock(first + (pages * 2) + 1, buf2);
pages++;
Arrays.fill(buf1, (byte) 0);
Arrays.fill(buf2, (byte) 0);
offset = crPtr + 1;
}
if (offset < data.length) {
System.arraycopy(data, offset, buf, 0, data.length - offset);
disk.writeBlock(first + pages * 2, buf); pages++;
int len1 = data.length - offset;
int len2 = 0;
if (len1 > 512)
{
len2 = 512 - len1;
len1 = 512;
}
System.arraycopy(data, offset, buf1, 0, len1);
if (len2 > 0)
{
System.arraycopy(data, offset+512, buf2, 0, len2);
}
disk.writeBlock(first + (pages * 2), buf1);
if (len2 > 0)
{
disk.writeBlock(first + (pages * 2) + 1, buf2);
}
pages++;
}
setLastBlock(first + pages * 2);
setBytesUsedInLastBlock(512);
@ -432,7 +455,7 @@ public class PascalFileEntry implements FileEntry {
disk.putDirectory(dir);
}
}
/**
* Get the suggested FileFilter. This appears to be operating system
* specific, so each operating system needs to implement some manner
@ -478,7 +501,7 @@ public class PascalFileEntry implements FileEntry {
public boolean needsAddress() {
return false;
}
/**
* Set the address that this file loads at.
*/