public static void Export(string filename, Topic head) {
if(filename == null || head == null) {
throw new ArgumentNullException();
}
XDocument doc = new XDocument(new XElement("xst", new XAttribute("path", head.path)));
if(head.saved) {
if(head.vType != null) {
doc.Root.Add(new XAttribute("v", head.ToJson()));
}
doc.Root.Add(new XAttribute("s", bool.TrueString));
}
foreach(Topic t in head.children) {
Export(doc.Root, t);
}
using(StreamWriter sw = File.CreateText(filename)) {
using(var writer = new System.Xml.XmlTextWriter(sw)) {
writer.Formatting = System.Xml.Formatting.Indented;
writer.QuoteChar = '\'';
writer.WriteNode(doc.CreateReader(), false);
writer.Flush();
}
}
}
