//Copyright (C) 2006 Richard J. Northedge
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

using System;

namespace SharpWordNet
{
	/// <summary>
	/// Summary description for Tokenizer.
	/// </summary>
	public class Tokenizer
	{
		private readonly string[] _tokens;
		int _position;

		public Tokenizer(string input, params char[] separators) 
		{
			_tokens = input.Split(separators);
			_position = 0;
		}

		public string NextToken()
		{
			while (_position < _tokens.Length)
			{
				if ((_tokens[_position].Length > 0))
				{
					return _tokens[_position++];
				}
				_position++;
			}
			return null;
		}
		
	}
}