gistfile1.cs

using System;
using System.Collections;
using System.Text.RegularExpressions;

namespace website.lib
{

	public enum BadwordSensitivity
	{
		low = 1, medium = 2, high = 3
	}

	/// <summary>
	/// Summary description for badwords.
	/// </summary>
	public class badwords
	{

		BadwordSensitivity	level;
		SortedList			offensive;

		public badwords(): this(BadwordSensitivity.high)
		{

		}

		public badwords ( BadwordSensitivity v )
		{
			this.level = v;
			this.addbadwords();			
		}
		


		/// <summary>
		/// Checks supplied text against list of offensive words
		/// 
		/// </summary>
		/// <param name="userText">The text to check</param>
		/// <returns>true if text is acceptable</returns>
		public bool litmusTest(string userText)
		{
			bool retval = true;
			Regex rx = new Regex( @"[,.!@#$%^&*()+\]\[\{=\-':;<>?/]" );
			string t = rx.Replace( userText, "" );
			string[] ta = t.Split( new char[] { ' ' } );

			for ( int x = 0; x < ta.Length; x++ )
			{
				// iterate thru all the words and see if they're in the badwords list
				if ( offensive.Contains(ta[x].ToLower() ) )
				{
					// we found a potentially bad word
					if ( ( (int) offensive[ ta[x].ToLower()]) <= (int) level )
					{
						// we only need to find one
						retval = false;
						break;
					}
				}
			}

			return retval;
		}

		private void addbadwords()
		{
			this.offensive = new SortedList();

			// set items to 1 to make them trip at all levels
			// less offensive words can be a 2 and
			// the least offensive words should be 3
			offensive.Add("fuck", 1 );
			offensive.Add("pussy", 1 );
			offensive.Add("cunt", 1 );
			offensive.Add("cock", 1 );
			offensive.Add("suck", 3 );
			offensive.Add("sucks", 3 );

			offensive.Add("shit", 2 );
			offensive.Add("asshole", 2 );
			offensive.Add("prick", 3 );
			offensive.Add("bitch", 3 );
			offensive.Add("bastard", 3 );
			offensive.Add("screw", 3 );



		}
	}
}