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using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Xml.Linq;

namespace XMLParser
{
	class MainClass
	{
		public static void Main (string[] args)
		{
			Console.WriteLine (string.Join ("\n", ParseLibrary ("beispiel.xml")));
		}

		public static string[] ParseManual(string filename) {
			List<string> texts = new List<string> ();
			string xml = File.ReadAllText (filename);
			while(xml.IndexOf("<balloon who=\"") > 0) {
				xml = xml.Substring (xml.IndexOf ("<balloon who=\"") + 14);
				texts.Add (xml.Substring (0, xml.IndexOf ("\"")));
				xml = xml.Substring (xml.IndexOf ("<p>") + 3);
				texts.Add ("    " + xml.Substring (0, xml.IndexOf ("</p>")));
			}
			return texts.ToArray ();
		}

		public static string[] ParseLibrary(string filename) {
			XElement root = XElement.Load (filename);
			List<string> entries = new List<string> ();
			ParseLibraryRecurs (root, entries);
			return entries.ToArray ();
		}

		private static void ParseLibraryRecurs(XElement node, List<string> list) {
			if (node.Name.LocalName == "balloon" && node.Attribute ("who") != null) {
				list.Add (node.Attribute ("who").Value);
			}
			if (node.Name.LocalName == "p") {
				list.Add ("    " + node.Value);
			}
			foreach (XElement elem in node.Elements()) {
				ParseLibraryRecurs (elem, list);
			}
		}
	}
}

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William Corrigan
    öchö öchö
William Corrigan
    Fotoalben, Sonntagsbraten, Familienausflüge... alles Blödsinn, wenn Du mich fragst
Phone
    Drring
William Corrigan
    öchö
Jimmy Corrigan
    M... Mom?
Phone
    Drring
Jimmy Corrigan
    H...Hallo?
Jimmy Corrigan
    Ach, g... ganz gut... u... und wie geht's Dir?
William Corrigan
    Obwohl... So ein Braten ist eigentlich gar nicht so übel. Ha Ha.	
Jimmys Mom
    Wir sind da, Jimmy. Hier wollen wir essen.