internal IMindMapRoot ParsePageData(XDocument doc)
{
var styles = doc.Root.Elements(OneNoteElements.QuickStyleDef)
.ToDictionary(x => x.Attribute(OneNoteAttributes.Index)?.Value,
x => x.Attribute(OneNoteAttributes.Name)?.Value);
var headingStyles = styles.Where(x => x.Value.StartsWith("h"))
.ToDictionary(x => x.Key, x => int.Parse(x.Value.Substring(1)));
bool isHeading(XElement x)
{
var styleIndex = x.Attribute(OneNoteAttributes.QuickStyleIndex)?.Value ?? "";
return(!headingStyles.ContainsKey(styleIndex));
}
var titleElement = doc.Root.Descendants(OneNoteElements.Title).FirstOrDefault();
var title = GetTextContents(titleElement.Descendants(OneNoteElements.T).FirstOrDefault());
var outline = doc.Root.Elements(OneNoteElements.Outline).FirstOrDefault();
if (outline == null)
{
return(new MindMapRoot(title, Enumerable.Empty <XElement>()));
}
var children = outline.Elements(OneNoteElements.OeChildren).First().Elements().ToList();
var rootContents = children.TakeWhile(isHeading);
var root = new MindMapRoot(title, rootContents);
var nodeData = ParseOutlineChildren(children.SkipWhile(x => !isHeading(x)), headingStyles);
IMindMapData parent = root;
var ancestors = new Stack <IMindMapData>();
ancestors.Push(root);
foreach (var(objectId, depth, nodeTitle, contents) in nodeData)
{
while (ancestors.Peek().Depth >= depth)
{
parent = ancestors.Pop();
}
parent = ancestors.Peek();
var element = new MindMapElement(nodeTitle, parent, new ReactiveList <XElement>(contents), depth, objectId);
ancestors.Push(element);
}
return(root);
}
public MindMapElement(string title, IMindMapData parent, ReactiveList <XElement> content, int depth, string objectId)
{
Parent = parent ?? throw new ArgumentNullException(nameof(parent));
Content = content ?? throw new ArgumentNullException(nameof(content));
_title = title ?? throw new ArgumentNullException(nameof(title));
if (depth < 1)
{
throw new ArgumentOutOfRangeException(nameof(depth), "must be positive");
}
_depth = depth;
_objectId = objectId;
_index = parent.Children.Count;
parent.Children.Add(this);
}