Add option to pass an arbitrary list of options to IReadOnlyFilesystem.Mount()

This commit is contained in:
2017-12-27 23:55:59 +00:00
parent e009d86fcc
commit a1f82e0e72
11 changed files with 454 additions and 417 deletions

View File

@@ -43,11 +43,13 @@ namespace DiscImageChef.Filesystems.UCSDPascal
// Information from Call-A.P.P.L.E. Pascal Disk Directory Structure
public partial class PascalPlugin
{
public Errno Mount(IMediaImage imagePlugin, Partition partition, Encoding encoding, bool debug)
public Errno Mount(IMediaImage imagePlugin, Partition partition, Encoding encoding,
Dictionary<string, string> options)
{
device = imagePlugin;
Encoding = encoding ?? new Apple2();
this.debug = debug;
device = imagePlugin;
Encoding = encoding ?? new Apple2();
if(options == null) options = GetDefaultOptions();
if(options.TryGetValue("debug", out string debugString)) bool.TryParse(debugString, out debug);
if(device.Info.Sectors < 3) return Errno.InvalidArgument;
// Blocks 0 and 1 are boot code
@@ -55,38 +57,41 @@ namespace DiscImageChef.Filesystems.UCSDPascal
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
mountedVolEntry.firstBlock = BigEndianBitConverter.ToInt16(catalogBlocks, 0x00);
mountedVolEntry.lastBlock = BigEndianBitConverter.ToInt16(catalogBlocks, 0x02);
mountedVolEntry.entryType = (PascalFileKind)BigEndianBitConverter.ToInt16(catalogBlocks, 0x04);
mountedVolEntry.firstBlock = BigEndianBitConverter.ToInt16(catalogBlocks, 0x00);
mountedVolEntry.lastBlock = BigEndianBitConverter.ToInt16(catalogBlocks, 0x02);
mountedVolEntry.entryType = (PascalFileKind)BigEndianBitConverter.ToInt16(catalogBlocks, 0x04);
mountedVolEntry.volumeName = new byte[8];
Array.Copy(catalogBlocks, 0x06, mountedVolEntry.volumeName, 0, 8);
mountedVolEntry.blocks = BigEndianBitConverter.ToInt16(catalogBlocks, 0x0E);
mountedVolEntry.files = BigEndianBitConverter.ToInt16(catalogBlocks, 0x10);
mountedVolEntry.dummy = BigEndianBitConverter.ToInt16(catalogBlocks, 0x12);
mountedVolEntry.blocks = BigEndianBitConverter.ToInt16(catalogBlocks, 0x0E);
mountedVolEntry.files = BigEndianBitConverter.ToInt16(catalogBlocks, 0x10);
mountedVolEntry.dummy = BigEndianBitConverter.ToInt16(catalogBlocks, 0x12);
mountedVolEntry.lastBoot = BigEndianBitConverter.ToInt16(catalogBlocks, 0x14);
mountedVolEntry.tail = BigEndianBitConverter.ToInt32(catalogBlocks, 0x16);
mountedVolEntry.tail = BigEndianBitConverter.ToInt32(catalogBlocks, 0x16);
if(mountedVolEntry.firstBlock != 0 || mountedVolEntry.lastBlock <= mountedVolEntry.firstBlock ||
(ulong)mountedVolEntry.lastBlock > device.Info.Sectors - 2 ||
mountedVolEntry.entryType != PascalFileKind.Volume &&
mountedVolEntry.entryType != PascalFileKind.Secure || mountedVolEntry.volumeName[0] > 7 ||
mountedVolEntry.blocks < 0 || (ulong)mountedVolEntry.blocks != device.Info.Sectors ||
mountedVolEntry.files < 0) return Errno.InvalidArgument;
if(mountedVolEntry.firstBlock != 0 ||
mountedVolEntry.lastBlock <= mountedVolEntry.firstBlock ||
(ulong)mountedVolEntry.lastBlock > device.Info.Sectors - 2 ||
mountedVolEntry.entryType != PascalFileKind.Volume &&
mountedVolEntry.entryType != PascalFileKind.Secure ||
mountedVolEntry.volumeName[0] > 7 ||
mountedVolEntry.blocks < 0 ||
(ulong)mountedVolEntry.blocks != device.Info.Sectors ||
mountedVolEntry.files < 0) return Errno.InvalidArgument;
catalogBlocks = device.ReadSectors(2, (uint)(mountedVolEntry.lastBlock - mountedVolEntry.firstBlock - 2));
int offset = 26;
int offset = 26;
fileEntries = new List<PascalFileEntry>();
while(offset + 26 < catalogBlocks.Length)
{
PascalFileEntry entry = new PascalFileEntry
{
filename = new byte[16],
firstBlock = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x00),
lastBlock = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x02),
entryType = (PascalFileKind)BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x04),
lastBytes = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x16),
mtime = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x18)
filename = new byte[16],
firstBlock = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x00),
lastBlock = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x02),
entryType = (PascalFileKind)BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x04),
lastBytes = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x16),
mtime = BigEndianBitConverter.ToInt16(catalogBlocks, offset + 0x18)
};
Array.Copy(catalogBlocks, offset + 0x06, entry.filename, 0, 16);
@@ -99,13 +104,13 @@ namespace DiscImageChef.Filesystems.UCSDPascal
XmlFsType = new FileSystemType
{
Bootable = !ArrayHelpers.ArrayIsNullOrEmpty(bootBlocks),
Clusters = mountedVolEntry.blocks,
ClusterSize = (int)device.Info.SectorSize,
Files = mountedVolEntry.files,
Bootable = !ArrayHelpers.ArrayIsNullOrEmpty(bootBlocks),
Clusters = mountedVolEntry.blocks,
ClusterSize = (int)device.Info.SectorSize,
Files = mountedVolEntry.files,
FilesSpecified = true,
Type = "UCSD Pascal",
VolumeName = StringHandlers.PascalToString(mountedVolEntry.volumeName, Encoding)
Type = "UCSD Pascal",
VolumeName = StringHandlers.PascalToString(mountedVolEntry.volumeName, Encoding)
};
mounted = true;
@@ -115,7 +120,7 @@ namespace DiscImageChef.Filesystems.UCSDPascal
public Errno Unmount()
{
mounted = false;
mounted = false;
fileEntries = null;
return Errno.NoError;
}
@@ -124,15 +129,16 @@ namespace DiscImageChef.Filesystems.UCSDPascal
{
stat = new FileSystemInfo
{
Blocks = mountedVolEntry.blocks,
Blocks = mountedVolEntry.blocks,
FilenameLength = 16,
Files = (ulong)mountedVolEntry.files,
FreeBlocks = 0,
PluginId = Id,
Type = "UCSD Pascal"
Files = (ulong)mountedVolEntry.files,
FreeBlocks = 0,
PluginId = Id,
Type = "UCSD Pascal"
};
stat.FreeBlocks = mountedVolEntry.blocks - (mountedVolEntry.lastBlock - mountedVolEntry.firstBlock);
foreach(PascalFileEntry entry in fileEntries) stat.FreeBlocks -= entry.lastBlock - entry.firstBlock;
return Errno.NotImplemented;