private static bool ApplyFilter(Attribute attribute, FilterNode filter)
{
if (filter == null)
{
return(true);
}
return(filter.Eval(attribute));
}
public Task <IBinding> TryCreateAsync(BindingProviderContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
Type parametertype = context.Parameter.ParameterType;
var attr = context.Parameter.GetCustomAttribute <TAttribute>();
var cloner = new AttributeCloner <TAttribute>(attr, context.BindingDataContract, _nameResolver);
var attrNameResolved = cloner.GetNameResolvedAttribute();
// This may do validation and throw too.
bool canBind = _description.Eval(attrNameResolved);
if (!canBind)
{
return(Task.FromResult <IBinding>(null));
}
return(_inner.TryCreateAsync(context));
}