protected bool Equals(BytesHighlightning other)
{
if (ReferenceEquals(other, null))
{
return(false);
}
return(Offset == other.Offset && Length == other.Length);
}
public void PopulatePacketTree(XElement rootElement)
{
_bytesHiglightnings.Clear();
this.Dispatcher.Invoke((Action)(() =>
{
// Clean up
previewTree.Items.Clear();
Dictionary <XElement, TreeViewItem> elementNodes = new Dictionary <XElement, TreeViewItem>();
IEnumerable <XElement> initialNodes = rootElement.Nodes().Where(node => node is XElement).Cast <XElement>();
Stack <XElement> elements = new Stack <XElement>(initialNodes);
while (elements.Count > 0)
{
XElement nextElem = elements.Pop();
// Check if this element hidden in wireshark, hide it as well
XAttribute hideAttr = nextElem.GetAttribute("hide");
if (hideAttr.ValueIs("yes"))
{
continue;
}
bool isGeneralInfo = nextElem.GetAttribute("showname").ValueIs("General information");
if (isGeneralInfo)
{
continue;
}
foreach (XNode subNode in nextElem.Nodes())
{
if (subNode is XElement)
{
elements.Push(subNode as XElement);
}
}
bool isFakeFieldWrapper = nextElem.GetAttribute("name").ValueIs("fake-field-wrapper");
if (isFakeFieldWrapper)
{
continue;
}
TreeViewItem parentNode = null;
string showname = nextElem.GetAttribute("showname")?.Value ?? nextElem.GetAttribute("name")?.Value ?? "UNKNOWN FIELD!";
bool isLowercaseData = showname.Equals("data", StringComparison.CurrentCulture); // Do NOT ignore case!
XElement lengthSubNode = nextElem
.ElementNodes().FirstOrDefault(element => element.GetAttribute("showname")?.Value.StartsWith("Length") == true);
bool containsLengthSubNode = lengthSubNode != null;
if (isLowercaseData && containsLengthSubNode)
{
string length = new string(lengthSubNode.GetAttribute("showname")?.Value?.SkipWhile(c => c != ' ')
.ToArray());
length = length.Trim();
showname = $"Data ({length} bytes)";
}
XElement parent = nextElem.Parent;
bool hasParent = (parent != null && elementNodes.TryGetValue(parent, out parentNode));
bool isProtocolNode = !hasParent;
TreeViewItem nextNode = new TreeViewItem
{
Header = showname,
Background = isProtocolNode ? _protoBrush : _fieldBrush,
Foreground = new SolidColorBrush(Color.FromRgb(0, 0, 0)),
ToolTip = null,
VerticalContentAlignment = VerticalAlignment.Center,
HorizontalContentAlignment = HorizontalAlignment.Left
};
string bytesIndexStr = nextElem.GetAttribute("pos")?.Value ?? "0";
int.TryParse(bytesIndexStr, out var bytesIndex);
string bytesLengthStr = nextElem.GetAttribute("size")?.Value ?? "0";
int.TryParse(bytesLengthStr, out var bytesLength);
// Save aside the bite highlighting instructions
BytesHighlightning bHighlightning = new BytesHighlightning(bytesIndex, bytesLength);
if (bytesLength == 0)
{
bHighlightning.Offset = 0;
}
_bytesHiglightnings[nextNode] = bHighlightning;
nextNode.Selected += TreeItem_Selected;
elementNodes[nextElem] = nextNode;
if (hasParent)
{
// Insert in parent's nodes list
parentNode.Items.Insert(0, nextNode);
}
else
{
// Insert at root level
previewTree.Items.Insert(0, nextNode);
}
}
}));
}
public PacketTreeSelectionChangedArgs(BytesHighlightning bytesHiglightning)
{
BytesHiglightning = bytesHiglightning;
}
