private void PrintEntries(SitemapEntry entry, int level)
{
string strParams = string.Join(",", entry.Params.Select(x => $"{x.Key}:{x.Value}"));
if (!string.IsNullOrEmpty(strParams))
{
strParams = $"[{strParams}]";
}
Console.WriteLine($"{new String(' ', level)} {strParams}");
foreach (var e in entry.Childs)
{
if (e.Childs.Count > 0)
{
PrintEntries(e, level + 1);
}
else
{
strParams = string.Join(",", e.Params.Select(x => $"{x.Key}:{x.Value}"));
if (!string.IsNullOrEmpty(strParams))
{
strParams = $"[{strParams}]";
}
Console.WriteLine($"{new String(' ', level + 1)} {strParams}");
}
}
}
private void BuildEntriesTree()
{
Stack <SitemapEntry> entriesStack = new Stack <SitemapEntry>();
SitemapEntry lastObject = null;
EnumerateNodes(
n =>
{
if (string.Compare(n.Name, "ul", true) == 0)
{
if (lastObject == null)
{
entriesStack.Push(RootEntry);
}
else
{
entriesStack.Push(lastObject);
}
}
},
n =>
{
// process only if root ul was processed
if (entriesStack.Count > 0)
{
if (string.Compare(n.Name, "object", true) == 0)
{
SitemapEntry parent = entriesStack.Peek();
lastObject = new SitemapEntry {
Node = n, Parent = parent
};
parent.Childs.Add(lastObject);
}
else if (string.Compare(n.Name, "param", true) == 0)
{
lastObject.Params.Add(new KeyValuePair <string, string>(n.Attributes["name"].Value, n.Attributes["value"].Value));
}
}
},
n =>
{
if (string.Compare(n.Name, "ul", true) == 0)
{
entriesStack.Pop();
}
}
);
}
private void EnumerateEntriesInternal(SitemapEntry root, Action <SitemapEntry> onEntryStart, Action <SitemapEntry> onEntry, Action <SitemapEntry> onEntryEnd)
{
onEntryStart?.Invoke(root);
onEntry?.Invoke(root);
foreach (SitemapEntry entry in root.Childs)
{
if (entry.Childs.Count > 0)
{
EnumerateEntriesInternal(entry, onEntryStart, onEntry, onEntryEnd);
}
else
{
onEntry?.Invoke(entry);
}
}
onEntryEnd?.Invoke(root);
}
public void Parse(string filePath)
{
_sitemapFilePath = filePath;
//do not auto close "li" tag
if (!HtmlNode.ElementsFlags.ContainsKey("li"))
{
HtmlNode.ElementsFlags.Add("li", HtmlElementFlag.Empty);
}
var doc = new HtmlDocument();
doc.Load(filePath);
//doc.Save(Console.Out);
_rootNode = doc.DocumentNode;
RootEntry = new SitemapEntry {
Node = _rootNode
};
BuildEntriesTree();
//PrintEntries(_rootEntry, 0);
}