/// <summary>
/// Tree section node constructor
/// </summary>
/// <param name="document">The document owner of this node</param>
/// <param name="parent">Parent section of the section to create. null if the node to create is the root section.</param>
/// <param name="node">HTML header tag for this section</param>
/// <param name="ui">Application log. It can be null</param>
public ChmDocumentNode(ChmDocument document, ChmDocumentNode parent, HtmlNode node, UserInterface ui)
{
this.Parent = parent;
this.HeaderTag = node;
Children = new List <ChmDocumentNode>();
HeaderLevel = HeaderTagLevel(node);
DestinationFileName = "";
AnchorNames = new List <string>();
if (node != null)
{
// Check if the header tag has some anchor
foreach (HtmlNode child in node.ChildNodes)
{
string name = ChmDocumentParser.GetAnchorName(child);
if (name != null && name.Trim() != string.Empty)
{
AnchorNames.Add(name);
}
}
if (AnchorNames.Count == 0)
{
// Si no tiene ningun nombre, darle uno artificial:
int number = LatestCustomAnchorNumber++;
string nodeName = "node" + number.ToString();
HtmlNode aTagElement = document.HtmlDoc.CreateElement("a");
// XHTML/HTML5 uses the "id" attribute, and HTML4 "name"
// There is no safe way to check if its XHTML/HTML5 or a lower version, so put both:
aTagElement.SetAttributeValue("name", nodeName);
aTagElement.SetAttributeValue("id", nodeName);
node.ChildNodes.Insert(0, aTagElement);
AnchorNames.Add(nodeName);
}
}
}
/// <summary>
/// Builds the member listOfContainedANames, with all the A name tags contained into the body member.
/// It does a recursive search for A tags.
/// </summary>
private void BuildListOfContainedANames(HtmlNode e)
{
string anchorName = ChmDocumentParser.GetAnchorName(e);
if (anchorName != null)
{
DescendantAnchorNames.Add(anchorName);
}
// Do recursive search
foreach (HtmlNode child in e.ChildNodes)
{
BuildListOfContainedANames(child);
}
}
