ConsolePluginCommand.cs

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 * 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:
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 *       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.
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 *       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
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using System;

namespace OpenSim.Framework.Console
{
    public delegate void ConsoleCommand(string[] comParams);

    public class ConsolePluginCommand
    {
        private ConsoleCommand m_commandDelegate;
        private string m_helpText;
        private string[] m_cmdText;

        public ConsolePluginCommand(string command, ConsoleCommand dlg, string help)
        {
            m_cmdText = command.Split(new char[] { ' ' });
            m_commandDelegate = dlg;
            m_helpText = help;
        }

        public int matchLength(string cmdWithParams)
        {
            // QUESTION: have a case insensitive flag?
            cmdWithParams = cmdWithParams.ToLower().Trim();
            string matchText = String.Join(" ",m_cmdText).ToLower().Trim();
            if (cmdWithParams.StartsWith(matchText))
            {
                // QUESTION Instead return cmdText.Length; ?
                return matchText.Length;
            }
            return 0;
        }

        public void Run(string cmd, string[] cmdParams)
        {
            int skipParams = 0;
            if (m_cmdText.Length > 1)
            {
                int currentParam = 1;
                while (currentParam < m_cmdText.Length)
                {
                    if (cmdParams[skipParams].ToLower().Equals(m_cmdText[currentParam].ToLower()))
                    {
                        skipParams++;
                    }
                    currentParam++;
                }

            }
            string[] sendCmdParams = cmdParams;
            if (skipParams > 0)
            {
                sendCmdParams = new string[cmdParams.Length-skipParams];
                for (int i=0;i<sendCmdParams.Length;i++) {
                    sendCmdParams[i] = cmdParams[skipParams++];
                }
            }
            m_commandDelegate(sendCmdParams);//.Trim().Split(new char[] { ' ' }));
        }

        public void ShowHelp(ConsoleBase console)
        {
            console.Output(String.Join(" ", m_cmdText) + " - " + m_helpText + "\n");
        }

        public bool IsHelpfull(string cmdWithParams)
        {
            cmdWithParams = cmdWithParams.ToLower();
            return cmdWithParams.Contains(String.Join(" ", m_cmdText).ToLower()) || m_helpText.ToLower().Contains(cmdWithParams);
        }
    }
}