private object[] ConvertParameters(string args, SocketMessage msg)
{
var implParams = _method.GetParameters();
var retParams = new object[implParams.Length];
string[] split = (args ?? string.Empty).Split(' ');
int argIdx = 0;
bool cannotParseMore = false;
for (int i = 0; i < implParams.Length; i++)
{
ParameterInfo ip = implParams[i];
Type ipType = ip.ParameterType;
if (ip.CustomAttributes.Any(x => x.AttributeType == typeof(DIAttribute)))
{
retParams[i] = ipType.IsInstanceOfType(msg) ? msg : _dep.Get(ipType);
}
else
{
if (cannotParseMore)
{
throw new Exception("Continued parsing after being told not to (multiple varlens?)");
}
if (ParameterParser.IsVarLen(ipType)) // this check relies on a check on multiple varlens being done before (see ctor)
{
if (!ParseParameter(ipType, string.Join(" ", split.Skip(argIdx++)), out retParams[i]))
{
throw new ArgumentException($"Failed to parse varlen argument {argIdx} :(");
}
cannotParseMore = true;
}
else if (!ParseParameter(ipType, split[argIdx++], out retParams[i]))
{
throw new ArgumentException($"Failed to parse argument {argIdx} :(");
}
}
}
return(retParams);
}
internal MethodCommand(CommandAttribute cmdAttr, MethodInfo method, DependencyContainer dep) : base(cmdAttr.Command, cmdAttr.Description, cmdAttr.MinPermission ?? 0)
{
_method = method;
_dep = dep;
Debug.Assert(_method != null);
if (!_method.IsStatic)
{
throw new ArgumentException($"Tried to create a {nameof(MethodCommand)} using a non-static method.", nameof(_method));
}
_cmdParams = _method.GetParameters().Where(x => x.CustomAttributes.All(y => y.AttributeType != typeof(DIAttribute))).Select(x => x.ParameterType).ToArray();
_paramCount = _cmdParams.Length;
_endsOnVarLength = _paramCount > 0 && ParameterParser.IsVarLen(_cmdParams.Last());
if (_cmdParams.Count(ParameterParser.IsVarLen) > 1)
{
throw new NotSupportedException("Found more than 2 strings in this command.");
}
}