/*********************************************************************/
/*                                                                   */
/*                     AgentService Framework                        */
/*                       www.agentservice.it                         */
/*                                                                   */
/* Copyright (C) 2007 l.i.d.o. - DIST, University of Genoa, Italy    */
/* GNU Lesser General Public License                                 */
/*                                                                   */
/* 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,             */
/* version 2.1 of the License.                                       */
/*                                                                   */
/* 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 library; if not, write to the             */
/* Free Software Foundation, Inc., 59 Temple Place - Suite 330,      */
/* Boston, MA  02111-1307, USA.                                      */
/*                                                                   */
/*********************************************************************/
using System;

namespace AgentService.Platform.Commands
{
	/// <summary>
	/// Class CommandParser. Parses a generic input stream and
	/// retrieves commmands
	/// </summary>
	public class CommandParser
	{
		/// <summary>
		/// Input stream used by the parser to
		/// process commands
		/// </summary>
		private System.IO.TextReader input;

		/// <summary>
		/// constructs a CommandParser
		/// </summary>
		/// <param name="input">input stream</param>
		public CommandParser(System.IO.TextReader input)
		{
			this.input = input;
		}

		/// <summary>
		/// Parses the input stream and gets the next command
		/// </summary>
		/// <returns>A command if parsing succeded, null otherwise</returns>
		public PlatformCommand NextCommand() 
		{
			// TODO: provide implementation

			/*
			// we can assume that each command finishes on a line
			
			string  cmdLine = this.input.ReadLine();
			
			// ok now we tokenize the line and lookup
			// to see which kind of command is and give
			// the command the task to parse the rest of the line
			 
			*/
			return null;
		}
	}
}