/// <summary>
/// Save node data into Stream.
/// </summary>
/// <param name="xdata">Stream.</param>
/// <returns>true:Succeed; false:failed.</returns>
public bool SaveData(Stream xdata)
{
bool retval = true;
long nodeCount = ChildNodeCount;
xdata.WriteByte(Tag);
_utilities.DerLengthEncode(xdata, (ulong)_dataLength);
if (Tag == Asn1Type.BitString)
{
xdata.WriteByte(_unusedBits);
}
if (nodeCount == 0)
{
if (_data != null)
{
xdata.Write(_data, 0, _data.Length);
}
}
else
{
int i;
for (i = 0; i < nodeCount; i++)
{
Asn1Node tempNode = GetChildNode(i);
retval = tempNode.SaveData(xdata);
}
}
return(retval);
}
private Asn1Node(Asn1Node parentNode, long dataOffset)
{
Init();
Deepness = parentNode.Deepness + 1;
ParentNode = parentNode;
_dataOffset = dataOffset;
}
/// <summary>
/// Retrieve child node by index.
/// </summary>
/// <param name="index">0 based index.</param>
/// <returns>0 based index.</returns>
public Asn1Node GetChildNode(int index)
{
Asn1Node retval = null;
if (index < ChildNodeCount)
{
retval = (Asn1Node)_childNodeList[index];
}
return(retval);
}
/// <summary>
/// Clear data and children list.
/// </summary>
public void ClearAll()
{
_data = null;
foreach (object t in _childNodeList)
{
Asn1Node tempNode = (Asn1Node)t;
tempNode.ClearAll();
}
_childNodeList.Clear();
RecalculateTreePar();
}
/// <summary>
/// Add child node at the end of children list.
/// </summary>
/// <param name="xdata">the node that will be add in.</param>
public void AddChild(Asn1Node xdata)
{
_childNodeList.Add(xdata);
RecalculateTreePar();
}