public override FilterNode <ClrValue> Visit(SingleValueFunctionCallNode nodeIn)
{
var fieldNode = nodeIn.Parameters.ElementAt(0);
if (string.Equals(nodeIn.Name, "empty", StringComparison.OrdinalIgnoreCase))
{
return(ClrFilter.Empty(PropertyPathVisitor.Visit(fieldNode)));
}
var valueNode = nodeIn.Parameters.ElementAt(1);
if (string.Equals(nodeIn.Name, "endswith", StringComparison.OrdinalIgnoreCase))
{
var value = ConstantWithTypeVisitor.Visit(valueNode);
return(ClrFilter.EndsWith(PropertyPathVisitor.Visit(fieldNode), value));
}
if (string.Equals(nodeIn.Name, "startswith", StringComparison.OrdinalIgnoreCase))
{
var value = ConstantWithTypeVisitor.Visit(valueNode);
return(ClrFilter.StartsWith(PropertyPathVisitor.Visit(fieldNode), value));
}
if (string.Equals(nodeIn.Name, "contains", StringComparison.OrdinalIgnoreCase))
{
var value = ConstantWithTypeVisitor.Visit(valueNode);
return(ClrFilter.Contains(PropertyPathVisitor.Visit(fieldNode), value));
}
throw new NotSupportedException();
}
