public IFilterOperation GenerateOperation <TData, TFilterLhs>(FilterOperationGeneratorData data, RegexFilter <TData, TFilterLhs> filter, int operatorIndex, ICollection <QueryError> errors)
{
var stringComparisonOptions = filter.overridesStringComparison ? filter.stringComparison : data.globalStringComparison;
var filterOperatorContext = new FilterOperatorContext(filter);
Func <TData, TFilterRhs, bool> operation = (o, filterValue) => false;
var handlerFound = false;
var typedHandler = data.op.GetHandler <TFilterLhs, TFilterRhs>();
if (typedHandler != null)
{
operation = (o, filterValue) => typedHandler(filterOperatorContext, filter.GetData(o, data.filterName), filterValue, stringComparisonOptions);
handlerFound = true;
}
if (!handlerFound)
{
var genericHandler = data.op.GetHandler <object, object>();
if (genericHandler != null)
{
operation = (o, filterValue) => genericHandler(filterOperatorContext, filter.GetData(o, data.filterName), filterValue, stringComparisonOptions);
handlerFound = true;
}
}
if (!handlerFound)
{
var error = $"No handler of type ({typeof(TFilterLhs)}, {typeof(TFilterRhs)}) or (object, object) found for operator {data.op.token}";
errors.Add(new QueryError(operatorIndex, data.op.token.Length, error));
return(null);
}
var filterOperation = new FilterOperation <TData, TFilterLhs, TFilterRhs>(filter, in data.op, data.filterValue, operation);
if (data.filterValueParseResult != null)
{
var filterValue = ((ParseResult <TFilterRhs>)data.filterValueParseResult).parsedValue;
filterOperation.SetFilterValue(filterValue);
}
return(filterOperation);
}
public bool Invoke(FilterOperatorContext ctx, object ev, object fv, StringComparison sc)
{
return(handler(ctx, (TLhs)ev, (TRhs)fv, sc));
}