internal static IEnumerable <string> GetArgDescriptions(this CommandProperty cmdProperty)
{
string[] desc = null;
try
{
desc = JsonConvert.DeserializeObject <string[]>(cmdProperty.ArgDescriptionArray);
}
catch (Exception)
{
ConsoleX.WriteError(new ArgumentException($"The commands Argument Description of \"{ cmdProperty.ArgDescriptionArray }\" is not of string format containing an array or strings"));
}
for (var i = 0; i < cmdProperty._propertyInfo.PropertyType.GetGenericArguments().Length; i++)
{
var argument = cmdProperty._propertyInfo.PropertyType.GetGenericArguments()[i];
yield return(cmdProperty._propertyInfo.PropertyType.Name.Contains("Func") && i != 0
? $"return[{i}]({argument.Name}): { desc?.ElementAtOrDefault(i) ?? "No return description" }"
: $"argument[{i}]({argument.Name}): { desc?.ElementAtOrDefault(i) ?? "No argument description" }");
}
}
public static void WriteCommandHelp(string arg)
{
var commandProps = Handler.GetAllCommandsProperties().Where(c => c.IsCommand(arg));
if (!commandProps.Any())
{
ConsoleX.WriteError(new Exception($"command does not exist"), ConsoleX.LogLevel.basic);
return;
}
foreach (var commandProp in commandProps)
{
ConsoleX.WriteLine($"short name : { commandProp.Command.ShortName }");
ConsoleX.WriteLine($"long name : { commandProp.Command.LongName }");
ConsoleX.WriteLine($"description : { commandProp.Command.Description } ");
if (!commandProp.HasArguments())
{
ConsoleX.WriteLine($"no arguments");
continue;
}
ConsoleX.WriteLines(commandProp.GetArgDescriptions());
}
}
public static object Invoke(this CommandProperty cmdProperty, IEnumerable <object> arguments)
{
try
{
var cmdMethod = cmdProperty._propertyInfo.PropertyType.GetMethod("Invoke");
var cmdObj = cmdProperty._propertyInfo.GetValue(cmdProperty._commandContainer);
return(cmdMethod.Invoke(cmdObj, cmdProperty.CheckArguments(cmdMethod, arguments ?? new object[] { }).ToArray()));
}
catch (TargetParameterCountException)
{
ConsoleX.WriteError(new TargetParameterCountException($"The argument count for the command '{ cmdProperty.LongName ?? cmdProperty.ShortName }' does not match. " +
$"Single arguments should be passed in as a single string and multiple should be passed in as an array. " +
$"eg [ arg1, arg2 , arg3 ]"), ConsoleX.LogLevel.basic);
return(null);
}
catch (Exception e)
{
ConsoleX.WriteError(new MethodAccessException($"There has been an unexpected error with the command '{ cmdProperty.LongName ?? cmdProperty.ShortName }'", e), ConsoleX.LogLevel.basic);
return(null);
}
}
