/// <summary>
/// Create an IDiskFilesystem object for accessing the filesystem on a disk.
/// </summary>
/// <param name="fsid">Identifies the filesystem type to create.</param>
/// <param name="disk">Disk containing the filesystem.</param>
/// <param name="iswriteable">Returns a writeable filesystem if <value>true</value>.</param>
/// <returns>A IDiskFilesystem object for accessing the file system on the disk, or <value>null</value> if no filesystem can be created.</returns>
public static IDiskFilesystem OpenFilesystem(DiskFilesystemIdentifier fsid, IDisk disk, bool iswriteable)
{
if (disk == null)
{
throw new ArgumentNullException("disk");
}
if (iswriteable && !disk.IsWriteable)
{
throw new ArgumentException("Cannot support write operations against a write-protected disk");
}
switch (fsid)
{
case DiskFilesystemIdentifier.DragonDos:
return(new DragonDos.DragonDos(disk, iswriteable));
case DiskFilesystemIdentifier.RsDos:
return(new RsDos.RsDos(disk, iswriteable));
case DiskFilesystemIdentifier.Flex:
return(new Flex.Flex(disk, iswriteable));
case DiskFilesystemIdentifier.OS9:
return(new OS9.OS9(disk, iswriteable));
default:
return(null);
}
}
/// <summary>
/// Create an IDiskFilesystem object for accessing the filesystem on a disk in a virtual disk file.
/// </summary>
/// <param name="fsid">Identifies the filesystem type to create.</param>
/// <param name="diskfilename">Name of file containing the virtual disk image.</param>
/// <param name="iswriteable">Returns a writeable filesystem if <value>true</value>.</param>
/// <returns>A IDiskFilesystem object for accessing the file system on the disk, or <value>null</value> if no filesystem can be created.</returns>
public static IDiskFilesystem OpenFilesystem(DiskFilesystemIdentifier fsid, string diskfilename, bool iswriteable)
{
if (diskfilename == null) throw new ArgumentNullException("diskfilename");
var disk = DiskFactory.OpenDisk(diskfilename, iswriteable);
return (disk == null) ? null : OpenFilesystem(fsid, disk, iswriteable);
}
/// <summary>
/// Create an IDiskFilesystem object for accessing the filesystem on a disk in a virtual disk file.
/// </summary>
/// <param name="fsid">Identifies the filesystem type to create.</param>
/// <param name="diskfilename">Name of file containing the virtual disk image.</param>
/// <param name="iswriteable">Returns a writeable filesystem if <value>true</value>.</param>
/// <returns>A IDiskFilesystem object for accessing the file system on the disk, or <value>null</value> if no filesystem can be created.</returns>
public static IDiskFilesystem OpenFilesystem(DiskFilesystemIdentifier fsid, string diskfilename, bool iswriteable)
{
if (diskfilename == null)
{
throw new ArgumentNullException("diskfilename");
}
var disk = DiskFactory.OpenDisk(diskfilename, iswriteable);
return((disk == null) ? null : OpenFilesystem(fsid, disk, iswriteable));
}
/// <summary>
/// Create an IDiskFilesystem object for accessing the filesystem on a disk.
/// </summary>
/// <param name="fsid">Identifies the filesystem type to create.</param>
/// <param name="disk">Disk containing the filesystem.</param>
/// <param name="iswriteable">Returns a writeable filesystem if <value>true</value>.</param>
/// <returns>A IDiskFilesystem object for accessing the file system on the disk, or <value>null</value> if no filesystem can be created.</returns>
public static IDiskFilesystem OpenFilesystem(DiskFilesystemIdentifier fsid, IDisk disk, bool iswriteable)
{
if (disk == null) throw new ArgumentNullException("disk");
if (iswriteable && !disk.IsWriteable) throw new ArgumentException("Cannot support write operations against a write-protected disk");
switch (fsid)
{
case DiskFilesystemIdentifier.DragonDos:
return new DragonDos.DragonDos(disk, iswriteable);
case DiskFilesystemIdentifier.RsDos:
return new RsDos.RsDos(disk, iswriteable);
case DiskFilesystemIdentifier.Flex:
return new Flex.Flex(disk, iswriteable);
case DiskFilesystemIdentifier.OS9:
return new OS9.OS9(disk, iswriteable);
default:
return null;
}
}
