Apple-2-Tools/ProDOS-perl
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Work on deleting files and creating subdirectories

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Leeland Heins 2019-03-07 07:33:00 -06:00 committed by GitHub
parent 442677675e
commit 072537e88e
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1 changed files with 47 additions and 11 deletions
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ProDOS.pm
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@ -1796,6 +1796,7 @@ sub write_file {
dump_blk($dirbuf) if $debug;
dump_blk($dirbuf);
# Write the file descriptive entry back out.
if (!write_blk($pofile, $header_pointer, \$dirbuf)) {
print "I/O Error writing block $header_pointer\n";
##FIXME
@ -1964,7 +1965,6 @@ sub delete_file {
if (read_blk($pofile, $header_pointer, \$buf)) {
dump_blk($buf) if $debug;
#dump_blk($buf);
my @bytes = unpack "C*", $buf;
@ -1976,6 +1976,7 @@ sub delete_file {
printf("file_storage_type=\$%02x\n", $file_storage_type);
$file_storage_type &= 0xf0;
printf("file_storage_type=\$%02x\n", $file_storage_type);
# Set file storage type to 0x00, which means deleted.
$bytes[0x2b + ($i * 0x27)] = 0x00;
printf("file_storage_type=\$%02x\n", $file_storage_type);
@ -2021,14 +2022,23 @@ sub delete_file {
}
}
$rv = release_blocks($pofile, \@blocks, $debug);
} elsif ($file_storage_type == 0xd0) {
} elsif ($file_storage_type == 0xd0 || $file_storage_type == 0xe0) {
# Subdirectory.
##FIXME -- need to delete all blocks in the subdirectory.
$rv = release_blocks($pofile, [ $key_pointer ], $debug);
} elsif ($file_storage_type == 0xe0) {
# Subdirectory Header.
##FIXME
$rv = release_blocks($pofile, [ $key_pointer ], $debug);
my @subdirblks = ();
push @subdirblks, $key_pointer;
my $subdirblk = $key_pointer
my $done = 0;
while (!$done) {
my ($prv_vol_dir_blk, $nxt_vol_dir_blk, $storage_type_name_length, $subdir_name, $creation_ymd, $creation_hm, $version, $min_version, $access, $entry_length, $entries_per_block, $file_count, $parent_pointer, $parent_entry, $parent_entry_length, @subfiles) = get_subdir_hdr($pofile, $subdirblk, 1, $debug);
if ($nxt_vol_dir_blk == 0x0000) {
$done = 1;
} else {
push @subdirblks, $nxt_vol_dir_blk;
$dirblk = $nxt_vol_dir_blk;
}
}
$rv = release_blocks($pofile, \@subdirbks, $debug);
} elsif ($file_storage_type == 0xf0) {
# Volume directory Header. This should never happen.
printf("Can't delete volume directory header \$%02x\n", $header_pointer);
@ -2047,10 +2057,9 @@ sub delete_file {
$buf = pack "C*", @bytes;
#dump_blk($buf) if $debug;
dump_blk($buf);
dump_blk($buf) if $debug;
# Write the directory back out.
# Write the file descriptive entry back back out.
if (!write_blk($pofile, $header_pointer, \$buf)) {
print "I/O Error writing block $header_pointer\n";
return 0;
@ -2193,7 +2202,34 @@ sub create_subdir {
print "pofile=$pofile subdirname=$subdirname\n" if $debug;
return 1;
my $subdir = '';
my $apple_fname = $apple_filename;
if ($apple_filename =~ /^[\/]*([^\/]+)\/(\S+)$/) {
$subdir = $1;
$apple_fname = $2;
}
print "subdir=$subdir apple_fname=$apple_fname\n";
# Find an empty file descriptive entry in the proper subdirectory.
my ($header_pointer, $i) = find_empty_fdescent($pofile, $subdir, $debug);
printf("header_pointer=\$%04x i=%d\n", $header_pointer, $i);
# May need to add a subdirectory block if the directory is full.
##FIXME
if ($header_pointer == 0) {
print "No directory slots available.\n";
return 0
}
##FIXME
my $rv = 1;
# Create the subdirectory sector.
##FIXME
# Write file descriptive entry back out.
##FIXME
return $rv;
}
1;