internal DiscFileSystemInfo(DiscFileSystem fileSystem, string path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
_fileSystem = fileSystem;
_path = path.Trim('\\');
}
/// <summary> /// Create a new differencing disk, possibly within an existing disk. /// </summary> /// <param name="fileSystem">The file system to create the disk on</param> /// <param name="path">The path (or URI) for the disk to create</param> /// <returns>The newly created disk</returns> public abstract VirtualDisk CreateDifferencingDisk(DiscFileSystem fileSystem, string path);
/// <summary>
/// Opens an existing virtual disk, possibly from within an existing disk.
/// </summary>
/// <param name="fs">The file system to open the disk on</param>
/// <param name="path">The path of the virtual disk to open</param>
/// <param name="access">The desired access to the disk</param>
/// <returns>The Virtual Disk, or <c>null</c> if an unknown disk format</returns>
public static VirtualDisk OpenDisk(DiscFileSystem fs, string path, FileAccess access)
{
if (fs == null)
{
return OpenDisk(path, access);
}
string extension = Path.GetExtension(path).ToUpperInvariant();
if (extension.StartsWith(".", StringComparison.Ordinal))
{
extension = extension.Substring(1);
}
VirtualDiskFactory factory;
if (ExtensionMap.TryGetValue(extension, out factory))
{
return factory.OpenDisk(fs, path, access);
}
return null;
}
/// <summary>
/// Create a new virtual disk, possibly within an existing disk.
/// </summary>
/// <param name="fileSystem">The file system to create the disk on</param>
/// <param name="type">The type of disk to create (see <see cref="SupportedDiskTypes"/>)</param>
/// <param name="variant">The variant of the type to create (see <see cref="GetSupportedDiskVariants"/>)</param>
/// <param name="path">The path (or URI) for the disk to create</param>
/// <param name="capacity">The capacity of the new disk</param>
/// <param name="geometry">The geometry of the new disk (or null).</param>
/// <param name="parameters">Untyped parameters controlling the creation process (TBD)</param>
/// <returns>The newly created disk</returns>
public static VirtualDisk CreateDisk(DiscFileSystem fileSystem, string type, string variant, string path, long capacity, Geometry geometry, Dictionary<string, string> parameters)
{
VirtualDiskFactory factory = TypeMap[type];
VirtualDiskParameters diskParams = new VirtualDiskParameters()
{
AdapterType = GenericDiskAdapterType.Scsi,
Capacity = capacity,
Geometry = geometry,
};
if (parameters != null)
{
foreach (var key in parameters.Keys)
{
diskParams.ExtendedParameters[key] = parameters[key];
}
}
return factory.CreateDisk(new DiscFileLocator(fileSystem, Utilities.GetDirectoryFromPath(path)), variant.ToLowerInvariant(), Utilities.GetFileFromPath(path), diskParams);
}
/// <summary>
/// Indicates if <paramref name="obj"/> is equivalent to this object.
/// </summary>
/// <param name="obj">The object to compare</param>
/// <returns><c>true</c> if <paramref name="obj"/> is equivalent, else <c>false</c></returns>
public override bool Equals(object obj)
{
DiscFileSystemInfo asInfo = obj as DiscFileSystemInfo;
if (obj == null)
{
return(false);
}
return(string.Compare(Path, asInfo.Path, StringComparison.Ordinal) == 0 && DiscFileSystem.Equals(FileSystem, asInfo.FileSystem));
}
public VirtualDisk OpenDisk(DiscFileSystem fileSystem, string path, FileAccess access)
{
return OpenDisk(new DiscFileLocator(fileSystem, @"\"), path, access);
}
public DiscFileLocator(DiscFileSystem fileSystem, string basePath)
{
_fileSystem = fileSystem;
_basePath = basePath;
}
/// <summary> /// Create a new differencing disk, possibly within an existing disk. /// </summary> /// <param name="fileSystem">The file system to create the disk on</param> /// <param name="path">The path (or URI) for the disk to create</param> /// <returns>The newly created disk</returns> public abstract VirtualDisk CreateDifferencingDisk(DiscFileSystem fileSystem, string path);
internal DiscFileInfo(DiscFileSystem fileSystem, string path)
: base(fileSystem, path)
{
}
internal DiscFileInfo(DiscFileSystem fileSystem, string path)
: base(fileSystem, path)
{
}
public DiscFileLocator(DiscFileSystem fileSystem, string basePath)
{
_fileSystem = fileSystem;
_basePath = basePath;
}
public VirtualDisk OpenDisk(DiscFileSystem fileSystem, string path, FileAccess access)
{
return(OpenDisk(new DiscFileLocator(fileSystem, @"\"), path, access));
}