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/*
* 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 OpenSim 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 OpenSim.Region.Framework.Interfaces;
namespace OpenSim.Region.Environment.Modules.Framework.InterfaceCommander
{
/// <summary>
/// A single function call encapsulated in a class which enforces arguments when passing around as Object[]'s.
/// Used for console commands and script API generation
/// </summary>
public class Command : ICommand
{
//private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private List<CommandArgument> m_args = new List<CommandArgument>();
private Action<object[]> m_command;
private string m_help;
private string m_name;
private CommandIntentions m_intentions; //A permission type system could implement this and know what a command intends on doing.
public Command(string name, CommandIntentions intention, Action<Object[]> command, string help)
{
m_name = name;
m_command = command;
m_help = help;
m_intentions = intention;
}
#region ICommand Members
public void AddArgument(string name, string helptext, string type)
{
m_args.Add(new CommandArgument(name, helptext, type));
}
public string Name
{
get { return m_name; }
}
public CommandIntentions Intentions
{
get { return m_intentions; }
}
public string Help
{
get { return m_help; }
}
public Dictionary<string, string> Arguments
{
get
{
Dictionary<string, string> tmp = new Dictionary<string, string>();
foreach (CommandArgument arg in m_args)
{
tmp.Add(arg.Name, arg.ArgumentType);
}
return tmp;
}
}
public void ShowConsoleHelp()
{
Console.WriteLine("== " + Name + " ==");
Console.WriteLine(m_help);
Console.WriteLine("= Parameters =");
foreach (CommandArgument arg in m_args)
{
Console.WriteLine("* " + arg.Name + " (" + arg.ArgumentType + ")");
Console.WriteLine("\t" + arg.HelpText);
}
}
public void Run(Object[] args)
{
Object[] cleanArgs = new Object[m_args.Count];
if (args.Length < cleanArgs.Length)
{
Console.WriteLine("ERROR: Missing " + (cleanArgs.Length - args.Length) + " argument(s)");
ShowConsoleHelp();
return;
}
if (args.Length > cleanArgs.Length)
{
Console.WriteLine("ERROR: Too many arguments for this command. Type '<module> <command> help' for help.");
return;
}
int i = 0;
foreach (Object arg in args)
{
if (string.IsNullOrEmpty(arg.ToString()))
{
Console.WriteLine("ERROR: Empty arguments are not allowed");
return;
}
try
{
switch (m_args[i].ArgumentType)
{
case "String":
m_args[i].ArgumentValue = arg.ToString();
break;
case "Integer":
m_args[i].ArgumentValue = Int32.Parse(arg.ToString());
break;
case "Double":
m_args[i].ArgumentValue = Double.Parse(arg.ToString());
break;
case "Boolean":
m_args[i].ArgumentValue = Boolean.Parse(arg.ToString());
break;
default:
Console.WriteLine("ERROR: Unknown desired type for argument " + m_args[i].Name + " on command " + m_name);
break;
}
}
catch (FormatException)
{
Console.WriteLine("ERROR: Argument number " + (i + 1) +
" (" + m_args[i].Name + ") must be a valid " +
m_args[i].ArgumentType.ToLower() + ".");
return;
}
cleanArgs[i] = m_args[i].ArgumentValue;
i++;
}
m_command.Invoke(cleanArgs);
}
#endregion
}
/// <summary>
/// A single command argument, contains name, type and at runtime, value.
/// </summary>
public class CommandArgument
{
private string m_help;
private string m_name;
private string m_type;
private Object m_val;
public CommandArgument(string name, string help, string type)
{
m_name = name;
m_help = help;
m_type = type;
}
public string Name
{
get { return m_name; }
}
public string HelpText
{
get { return m_help; }
}
public string ArgumentType
{
get { return m_type; }
}
public Object ArgumentValue
{
get { return m_val; }
set { m_val = value; }
}
}
}
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