/// <summary>Executes the command.</summary>
public void Execute(params object[] parameters)
{
try
{
Method.Invoke(null, parameters);
}
catch
{
AdvancedConsole.Warn(AdvancedConsole.WarningType.WrongArguments);
}
}
/// <summary>
/// Parses the message to a command and executes it.
/// If the message by arguments matches several commands, the one that was added earlier is called.
/// </summary>
public static void Execute(string message)
{
List <string> words = new List <string>();
List <string> matchingPrefixes = new List <string>();
string commandPrefix;
string commandName;
List <object> arguments = new List <object>();
List <Command> matchingCommands;
#region Finding a prefix
foreach (string prefix in Prefixes)
{
if (message.IndexOf(prefix) == 0)
{
matchingPrefixes.Add(prefix);
}
}
if (matchingPrefixes.Count == 0)
{
commandPrefix = String.Empty;
}
else
{
commandPrefix = matchingPrefixes.OrderByDescending(s => s.Length).First();
}
#endregion
#region Finding matching commands and arguments
message = message.Substring(commandPrefix.Length);
words.AddRange(Regex.Split(message, " (?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)").Select(s => s.Replace("\"", "")));
words.RemoveAll(i => i == String.Empty);
if (words.Count == 0)
{
AdvancedConsole.Warn(AdvancedConsole.WarningType.WrongCommand);
return;
}
commandName = words[0];
words.Remove(commandName);
arguments.AddRange(words.Select(s => s));
StringScanner prefixScanner = new StringScanner(commandPrefix, StringScanner.TargetOfScanner.Prefix);
StringScanner nameScanner = new StringScanner(commandName, StringScanner.TargetOfScanner.Name);
if (arguments.Count > 0)
{
SimpleScanner containsParametersScanner = new SimpleScanner(true, SimpleScanner.TargetOfScanner.ContainsParameters);
matchingCommands = Find(prefixScanner, nameScanner, containsParametersScanner);
matchingCommands.Reverse();
}
else
{
matchingCommands = Find(prefixScanner, nameScanner);
}
if (matchingCommands.Count == 0)
{
AdvancedConsole.Warn(AdvancedConsole.WarningType.WrongCommand);
return;
}
#endregion
#region Executing the most matching command
foreach (Command command in matchingCommands)
{
if (!command.ContainsParameters)
{
command.Execute();
return;
}
else
{
ParameterInfo[] parametersInfo = command.Method.GetParameters();
// TODO: Parse for commands with the last parameter is an array
try
{
for (int i = 0; i < parametersInfo.Length; i++)
{
Type type = parametersInfo[i].ParameterType;
if (i < arguments.Count)
{
arguments[i] = Convert.ChangeType(arguments[i], type);
}
else
{
if (parametersInfo[i].HasDefaultValue)
{
arguments.Add(parametersInfo[i].DefaultValue);
}
else
{
throw new ArgumentException();
}
}
}
}
catch
{
if (command == matchingCommands.Last())
{
AdvancedConsole.Warn(AdvancedConsole.WarningType.WrongArguments);
}
continue;
}
command.Execute(arguments.ToArray());
return;
}
}
#endregion
}
