using System;
using System.Collections;
/*
* do an `export QUERY_STRING=foo\=baz\&` before testing this program
*/
namespace WebSharp
{
	public class WebRequest
	{
		private IDictionary EnvVars;
		private IDictionary QueryParsed;
		public WebRequest ()
		{
		}
		public void ReadRequest ()
		{
			this.EnvVars = Environment.GetEnvironmentVariables ();
			if (EnvVars["QUERY_STRING"] != null)
			{
				String queryString = (String) EnvVars["QUERY_STRING"];
				Console.WriteLine ("ReadRequest()::" + queryString);
				this.ParseQuery (queryString);
				//this.ParseQuery();
			}
		}
		//public void ParseQuery()
		public void ParseQuery (String queryString)
		{
			int end = 0, j = 0;
			bool processed = false;
			//String queryString=(String) EnvVars["QUERY_STRING"];
			Console.WriteLine ("ParseQuery()::" + queryString);
			//the query string gets destroyed into a
			//set of parsed values
			//no problem about that
			//QueryParsed=new Hashtable();
			while (queryString.IndexOf ("&") != -1
			&& queryString.IndexOf ("=") != -1)
			{
				end = queryString.IndexOf ("&");
				String dat = queryString.Substring (0, end);
				//PutQueryVar(dat); start
				if (dat.IndexOf ("=") != -1)
					{
						String key = dat.Substring (0, dat.IndexOf ("="));
						String val = dat.Substring (dat.IndexOf ("=") + 1);
						Console.WriteLine (key + " => " + val);
						// I wish I had  a Hashtable to put it into
					}
				//end PutQueryVar
				if (end < queryString.Length)end++;
				queryString = queryString.Substring (end);
				processed = true;
			}
			//but some browsers sumbit single values as
			//?query=ok 
			//without the & at the end;there fore
			if (queryString.IndexOf("&")==-1 && queryString.IndexOf("=")!=-1)
			{
				if (queryString.IndexOf ("=") != -1)
				{
					String key1 =
					queryString.Substring (0, queryString.IndexOf ("="));
					String val1 =queryString.Substring 
									(queryString.IndexOf ("=") + 1);
					Console.WriteLine (key1 + " => " + val1);
				}
				//PutQueryVar(dat);
			}
		}
		public String GetEnvVars (String key)
		{
			return (String) this.EnvVars[key];
		}
	};//class

	public class Pnetcgi
	{
		public static void Main ()
		{
			WebRequest req = new WebRequest ();
			Console.WriteLine("What error could this be ?");
			Console.WriteLine(req.GetEnvVars("QUERY_STRING"));
			req.ReadRequest ();
		}
	};//class
};//namespace