public override bool TrySetIndex(SetIndexBinder binder, object[] indexes, object value)
{
if (!IsIndexed)
{
return(false);
}
var index = ContextValuesMarshaller.ConvertReturnValue(indexes[0], indexes[0].GetType());
SetIndexedValue(index, ContextValuesMarshaller.ConvertReturnValue(value, value.GetType()));
return(true);
}
public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)
{
if (!IsIndexed)
{
result = null;
return(false);
}
var index = ContextValuesMarshaller.ConvertReturnValue(indexes[0], indexes[0].GetType());
result = ContextValuesMarshaller.ConvertToCLRObject(GetIndexedValue(index));
return(true);
}
public override bool TrySetMember(SetMemberBinder binder, object value)
{
try
{
var propIdx = FindProperty(binder.Name);
if (IsPropWritable(propIdx))
{
return(false);
}
SetPropValue(propIdx, ContextValuesMarshaller.ConvertReturnValue(value, value.GetType()));
return(true);
}
catch (PropertyAccessException)
{
return(false);
}
catch (NotSupportedException)
{
return(false);
}
}
public override bool TryInvokeMember(InvokeMemberBinder binder, object[] args, out object result)
{
int methIdx;
try
{
methIdx = FindMethod(binder.Name);
}
catch (MethodAccessException)
{
result = null;
return(false);
}
var methInfo = GetMethodInfo(methIdx);
var valueArgs = new IValue[methInfo.Params.Length];
var passedArgs = args.Select(x => ContextValuesMarshaller.ConvertReturnValue(x, x.GetType())).ToArray();
for (int i = 0; i < valueArgs.Length; i++)
{
if (i < passedArgs.Length)
{
valueArgs[i] = passedArgs[i];
}
else
{
valueArgs[i] = ValueFactory.CreateInvalidValueMarker();
}
}
IValue methResult;
CallAsFunction(methIdx, valueArgs, out methResult);
result = methResult == null? null : ContextValuesMarshaller.ConvertToCLRObject(methResult);
return(true);
}
private IValue ConvertReturnValue <TRet>(TRet param)
{
return(ContextValuesMarshaller.ConvertReturnValue <TRet>(param));
}
