private static Value GetTag(CallScope args)
{
Item item = ScopeExtensions.FindScope <Item>(args);
Value val = null;
if (args.Size == 1)
{
if (args[0].Type == ValueTypeEnum.String)
{
val = item.GetTag(args.Get <string>(0));
}
else if (args[0].Type == ValueTypeEnum.Mask)
{
val = item.GetTag(args.Get <Mask>(0));
}
else
{
throw new RuntimeError(String.Format(RuntimeError.ErrorMessageExpectedStringOrMaskForArgument1ButReceivedSmth, args[0].ToString()));
}
}
else if (args.Size == 2)
{
if (args[0].Type == ValueTypeEnum.Mask && args[1].Type == ValueTypeEnum.Mask)
{
val = item.GetTag(args.Get <Mask>(0), args.Get <Mask>(1));
}
else
{
throw new RuntimeError(String.Format(RuntimeError.ErrorMessageExpectedMasksForArguments1and2ButReceivedSmthAndSmth, args[0].ToString(), args[1].ToString()));
}
}
else if (args.Size == 0)
{
throw new RuntimeError(RuntimeError.ErrorMessageTooFewArgumentsToFunction);
}
else
{
throw new RuntimeError(RuntimeError.ErrorMessageTooManyArgumentsToFunction);
}
return(Value.IsNullOrEmptyOrFalse(val) ? Value.Empty : val);
}
private static Value GetWrapper(CallScope scope, Func <Xact, Value> func)
{
return(func(ScopeExtensions.FindScope <Xact>(scope)));
}