/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSimulator Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
using System;
using System.Collections.Generic;
using System.Text;

namespace OpenSim.GridLaunch
{
    internal class CommandProcessor
    {
        public delegate void CommandLineDelegate(string application, string command, string arguments);
        public event CommandLineDelegate CommandLine;

        public bool IsCommand(string cmd)
        {
            if (cmd.Trim().StartsWith("/"))
                return true;
            return false;
        }

        public static readonly char[] cmdSplit = new char[] { ' ' };
        public bool Process(string app, string command)
        {
            // Only process commands
            if (!IsCommand(command))
                return false;

            // Remove first /
            command = command.Trim().Remove(0, 1);

            // Split cmd and args
            string[] carg = command.Split(cmdSplit, 2);
            if (carg.Length == 0)
                return true;

            string cmd = carg[0];                   // Command
            string arg = "";
            if (carg.Length > 1)
                arg = carg[1];                      // Arguments

            // Do we have a command?
            if (string.IsNullOrEmpty(cmd))
                return true;

            // All is fine
            if (CommandLine != null)
            CommandLine(app, cmd, arg);
            return true;
        }

    }
}