public static List <CategoryElement> GetElementsFromFile(string filePath, string mainItem, string subItem)
{
MainCategory currentCategory = new MainCategory("root", "", null);
int nestedDepth = 0;
using (StreamReader sr = new StreamReader(filePath))
{
using (XmlReader reader = XmlReader.Create(sr))
{
reader.Read();
reader.Read();
reader.Read();
while (reader.NodeType != XmlNodeType.EndElement || reader.Name != mainItem)
{
if (reader.NodeType == XmlNodeType.EndElement && reader.Name == subItem)
{
nestedDepth--;
currentCategory = currentCategory.ParentElement;
}
if (reader.NodeType == XmlNodeType.Element && reader.Name == subItem)
{
nestedDepth++;
MainCategory category = new MainCategory(reader.GetAttribute("Name"), reader.GetAttribute("ID"), currentCategory);
currentCategory.AddElement(category);
currentCategory = category;
}
else if (reader.NodeType == XmlNodeType.Element && reader.Name == "Topic")
{
reader.Read();
if (reader.NodeType == XmlNodeType.Text)
{
Topic topic = new Topic(reader.Value);
currentCategory.AddElement(topic);
}
}
reader.Read();
}
}
}
return(currentCategory.Elements);
}
public MainCategory(string title, string id, MainCategory parent) : base(title, id)
{
Elements = new List <CategoryElement>();
ParentElement = parent;
}