/// <summary>
/// deserializes one directory item entry from the stream.
/// </summary>
/// <param name="dataReader">the stream to deserialize from.</param>
/// <returns>the deserialized item.</returns>
private VirtualItem DeserializeDirectoryItem(DataReader dataReader)
{
uint itemFirstBlockIndex = dataReader.ReadUInt32();
var itemType = (ItemType) dataReader.ReadByte();
string itemName = dataReader.ReadString();
if (itemType == ItemType.Directory)
{
return new VirtualDirectory(itemFirstBlockIndex, itemName, this, ContainerFile);
}
return new VirtualFile(itemFirstBlockIndex, itemName, this, ContainerFile);
}
/// <summary>
/// reads all items stored in this directory.
/// </summary>
/// <returns>an enumeration of all items in this directory.</returns>
public IEnumerable<VirtualItem> ReadAllItems()
{
FileStream fileStream = GetFileStream();
long currentSize = BitConverter.ToInt64(fileStream.Read(8), 0);
byte[] allData = fileStream.Read(currentSize);
var dataReader = new DataReader(allData);
var allItems = new List<VirtualItem>();
while (dataReader.Position < dataReader.Length)
{
allItems.Add(DeserializeDirectoryItem(dataReader));
}
return allItems;
}
