using System;
using System.IO;
using System.Net;
using System.Text;

using DataStreams.Xml;

namespace LargeXMLReader
{
	public class DisplayDiggRSS
	{
		static void Main(string[] args)
		{
			//<?xml version="1.0" encoding="UTF-8"?>
			//<feed xmlns="http://www.w3.org/2005/Atom" xmlns:digg="http://digg.com/docs/diggrss/" xmlns:media="http://search.yahoo.com/mrss/" xmlns:feedburner="http://rssnamespace.org/feedburner/ext/1.0" xml:lang="en-US">
			//    <title>Stories</title>
			//    <subtitle>Stories</subtitle>
			//    <updated>2011-10-05T11:30:29Z</updated>
			//    <id>http://services.digg.com/</id>
			//    <author>
			//        <name>Digg</name>
			//    </author>
			//    <atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="self" type="application/atom+xml" href="http://feeds.digg.com/digg/topic/programming/popular" /><feedburner:info uri="digg/topic/programming/popular" /><atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="hub" href="http://pubsubhubbub.appspot.com/" /><entry>
			//        <title>How Magazines Are Adapting to the Mobile Revolution</title>
			//        <link href="http://feeds.digg.com/~r/digg/topic/programming/popular/~3/1evIqO7R2kU/how_magazines_are_adapting_to_the_mobile_revolution" />
			//        <content type="html">Magazine editors discuss early lessons from tablet publishing, and the challenges of extending their content to a proliferating number of tablet sizes and platforms going forward.&lt;img src="http://feeds.feedburner.com/~r/digg/topic/programming/popular/~4/1evIqO7R2kU" height="1" width="1"/&gt;</content>
			//        <updated>2011-10-04T22:14:11Z</updated>
			//        <digg:diggCount>
			//            131
			//        </digg:diggCount>
			//        <digg:category>
			//            Technology
			//        </digg:category>
			//        <digg:commentCount>
			//            1
			//        </digg:commentCount>
			//        <media:thumbnail height="62" url="http://cdn3.diggstatic.com/story/how_magazines_are_adapting_to_the_mobile_revolution/t.png" width="62" />
			//        <media:group>
			//            <media:content height="160" url="http://cdn1.diggstatic.com/story/how_magazines_are_adapting_to_the_mobile_revolution/l.png" width="160" />
			//            <media:content height="48" url="http://cdn1.diggstatic.com/story/how_magazines_are_adapting_to_the_mobile_revolution/s.png" width="48" />
			//            <media:content height="120" url="http://cdn3.diggstatic.com/story/how_magazines_are_adapting_to_the_mobile_revolution/m.png" width="120" />
			//            <media:content height="62" url="http://cdn3.diggstatic.com/story/how_magazines_are_adapting_to_the_mobile_revolution/t.png" width="62" />
			//        </media:group>
			//        <id>http://digg.com/news/technology/how_magazines_are_adapting_to_the_mobile_revolution</id>
			//    <feedburner:origLink>http://digg.com/news/technology/how_magazines_are_adapting_to_the_mobile_revolution?utm_campaign=Feed%3A+http%3A%2F%2Fservices.digg.com%2F&amp;utm_medium=feed&amp;utm_source=diggapi</feedburner:origLink></entry>
			//    ...
			//</feed>

			HttpWebRequest request = HttpWebRequest.Create(
				"http://feeds.digg.com/digg/topic/programming/popular.rss") as HttpWebRequest;

			using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
			using (Stream responseStream = response.GetResponseStream())
			using (XmlRecordReader reader = new XmlRecordReader(
				responseStream,
				Encoding.UTF8,
				"atom:feed/atom:entry",
				LoadMethod.Streaming))
			{
				reader.AddNamespace("digg", "http://digg.com/docs/diggrss/");
				reader.AddNamespace("media", "http://search.yahoo.com/mrss/");
				reader.AddNamespace("feedburner", "http://rssnamespace.org/feedburner/ext/1.0");
				reader.AddNamespace("atom", "http://www.w3.org/2005/Atom");

				reader.Columns.Add("atom:title", "title");
				reader.Columns.Add("atom:link/@href", "link");
				reader.Columns.Add("atom:content", "description");
				reader.Columns.Add("atom:updated", "pubDate");
				reader.Columns.Add("digg:diggCount", "diggCount");
				reader.Columns.Add("digg:category", "category");
				reader.Columns.Add("digg:commentCount", "commentCount");

				while (reader.ReadRecord())
				{
					Console.WriteLine("title: " + reader["title"]);
					Console.WriteLine("link: " + reader["link"]);
					Console.WriteLine("description: " + reader["description"]);
					Console.WriteLine("pubDate: " + reader["pubDate"]);
					Console.WriteLine("diggCount: " + reader["diggCount"]);
					Console.WriteLine("category: " + reader["category"]);
					Console.WriteLine("commentCount: " + reader["commentCount"]);
				}
			}

			Console.WriteLine("Done.");
			Console.ReadLine();
		}
	}
}