public virtual void Clear()
{
_SubItems.Clear();
_dateTime = new DateTime();
_Parent = null;
obj = null;
_name = string.Empty;
_path = string.Empty;
_location = 0;
_size = 0;
_isDirectory = false;
}
private string GetPath()
{
List <string> lst = new List <string>();
ImageRecord cur = this;
while (cur.Parent != null)
{
lst.Add(cur.Parent.Name);
cur = cur.Parent;
}
StringBuilder sb = new StringBuilder();
for (int i = lst.Count - 1; i > -1; i--)
{
sb.Append(lst[i]);
sb.Append(System.IO.Path.DirectorySeparatorChar);
}
return(sb.ToString());
}
/// <summary>
/// Extracts files from the image to the given directory.
/// </summary>
/// <param name="path">The directory to extract the files to.</param>
/// <param name="root">The root directory of the image.</param>
public void ExtractFiles(string path, ImageRecord root)
{
if (String.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
if (root == null)
{
throw new ArgumentNullException("root");
}
if (this.ImageFile == null)
{
throw new InvalidOperationException("No image file specified.");
}
using (var fileStream = this.ImageFile.OpenRead())
{
this.InitializeStream(fileStream);
this.Extract(path, root);
}
}
internal static long GetSize(ImageRecord record, long retval)
{
foreach (ImageRecord r in record.Subitems) {
retval += r.Size;
}
return retval;
}
public virtual void Clear()
{
_SubItems.Clear();
_dateTime = new DateTime();
_Parent = null;
obj = null;
_name = string.Empty;
_path = string.Empty;
_location = 0;
_size = 0;
_isDirectory = false;
}
/// <summary>
/// Extracts an individual record from the image to the given directory.
/// </summary>
/// <param name="path">The directory to extract the record to.</param>
/// <param name="record">The record to extract.</param>
private void Extract(string path, ImageRecord record)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
if (record == null)
{
throw new ArgumentNullException("record");
}
// Only extract UDF records.
if (!record.IsUdf)
{
return;
}
string target = Path.Combine(path, record.Name);
if (record.IsDirectory || String.IsNullOrEmpty(record.Name))
{
Directory.CreateDirectory(target);
// No sub items for this directory, continue.
if (record.Subitems == null || record.Subitems.Count <= 0)
{
return;
}
for (int i = 0; i < record.Subitems.Count; i++)
{
if (this.WorkerThread.CancellationPending)
{
break; // Canceled, exit loop
}
this.Extract(target, record.Subitems[i]);
}
}
else
{
UdfRecord item = (UdfRecord)record;
if (item.IsRecAndAlloc() && item.CheckChunkSizes() && this.CheckItemExtents(item.VolumeIndex, item))
{
if (item.IsInline)
{
if (item.InlineData != null)
{
if (item.InlineData.Length == 0)
{
return;
}
File.WriteAllBytes(target, item.InlineData);
}
}
else
{
Partition part = this.Partitions[item.PartitionIndex];
this.currentBlockSize = this.LogicalVolumes[item.VolumeIndex].BlockSize;
long logBlockNumber = item.Key;
if (item.Extents.Count > 0)
{
logBlockNumber = item.Extents[0].Position;
}
long start = ((long)part.Position << SectorSizeLog) + (logBlockNumber * this.currentBlockSize);
this.Extract(target, start, item.Size);
}
}
}
}
/// <summary>
/// Extracts files from the image to the given directory.
/// </summary>
/// <param name="path">The directory to extract the files to.</param>
/// <param name="root">The root directory of the image.</param>
public void ExtractFiles(string path, ImageRecord root)
{
if (String.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
if (root == null)
{
throw new ArgumentNullException("root");
}
if (this.ImageFile == null)
{
throw new InvalidOperationException("No image file specified.");
}
using (var fileStream = this.ImageFile.OpenRead())
{
this.InitializeStream(fileStream);
this.Extract(path, root);
}
}
/// <summary>
/// Extracts an individual record from the image to the given directory.
/// </summary>
/// <param name="path">The directory to extract the record to.</param>
/// <param name="record">The record to extract.</param>
private void Extract(string path, ImageRecord record)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException("path");
}
if (record == null)
{
throw new ArgumentNullException("record");
}
// Only extract UDF records.
if (!record.IsUdf)
{
return;
}
string target = Path.Combine(path, record.Name);
if (record.IsDirectory || String.IsNullOrEmpty(record.Name))
{
Directory.CreateDirectory(target);
// No sub items for this directory, continue.
if (record.Subitems == null || record.Subitems.Count <= 0)
{
return;
}
for (int i = 0; i < record.Subitems.Count; i++)
{
if (this.WorkerThread.CancellationPending)
{
break; // Canceled, exit loop
}
this.Extract(target, record.Subitems[i]);
}
}
else
{
UdfRecord item = (UdfRecord)record;
if (item.IsRecAndAlloc() && item.CheckChunkSizes() && this.CheckItemExtents(item.VolumeIndex, item))
{
if (item.IsInline)
{
if (item.InlineData != null)
{
if (item.InlineData.Length == 0)
{
return;
}
File.WriteAllBytes(target, item.InlineData);
}
}
else
{
Partition part = this.Partitions[item.PartitionIndex];
this.currentBlockSize = this.LogicalVolumes[item.VolumeIndex].BlockSize;
long logBlockNumber = item.Key;
if (item.Extents.Count > 0)
{
logBlockNumber = item.Extents[0].Position;
}
long start = ((long)part.Position << SectorSizeLog) + (logBlockNumber * this.currentBlockSize);
this.Extract(target, start, item.Size);
}
}
}
}