Exemple #1
0
 public NearFilter(uint distance, bool ordered, AndFilter filter)
 {
     this.distance = distance;
     this.ordered  = ordered;
     this.filter   = filter;
 }
        internal static QueryFilter SimplifyFilter(QueryFilter filter)
        {
            if (filter == null)
            {
                return(null);
            }
            if (filter.IsAtomic)
            {
                return(filter);
            }
            if (!(filter is NotFilter) && !(filter is CompositeFilter))
            {
                return(filter);
            }
            NotFilter notFilter = filter as NotFilter;

            if (notFilter != null)
            {
                QueryFilter filter2 = notFilter.Filter;
                if (filter2.IsAtomic)
                {
                    return(filter);
                }
                if (filter2 is NotFilter)
                {
                    return(QueryFilter.SimplifyFilter(((NotFilter)filter2).Filter));
                }
                if (filter2 is CompositeFilter)
                {
                    CompositeFilter compositeFilter = (CompositeFilter)filter2;
                    QueryFilter[]   array           = new QueryFilter[compositeFilter.Filters.Count];
                    for (int i = 0; i < array.Length; i++)
                    {
                        array[i] = QueryFilter.NotFilter(compositeFilter.Filters[i]);
                    }
                    if (filter2 is AndFilter)
                    {
                        return(QueryFilter.SimplifyFilter(QueryFilter.OrTogether(array)));
                    }
                    if (filter2 is OrFilter)
                    {
                        return(QueryFilter.SimplifyFilter(QueryFilter.AndTogether(array)));
                    }
                }
                if (filter2 is ComparisonFilter)
                {
                    ComparisonFilter   comparisonFilter = (ComparisonFilter)filter2;
                    ComparisonOperator comparisonOperator;
                    switch (comparisonFilter.ComparisonOperator)
                    {
                    case ComparisonOperator.Equal:
                        comparisonOperator = ComparisonOperator.NotEqual;
                        break;

                    case ComparisonOperator.NotEqual:
                        comparisonOperator = ComparisonOperator.Equal;
                        break;

                    case ComparisonOperator.LessThan:
                        comparisonOperator = ComparisonOperator.GreaterThanOrEqual;
                        break;

                    case ComparisonOperator.LessThanOrEqual:
                        comparisonOperator = ComparisonOperator.GreaterThan;
                        break;

                    case ComparisonOperator.GreaterThan:
                        comparisonOperator = ComparisonOperator.LessThanOrEqual;
                        break;

                    case ComparisonOperator.GreaterThanOrEqual:
                        comparisonOperator = ComparisonOperator.LessThan;
                        break;

                    default:
                        return(filter);
                    }
                    return(new ComparisonFilter(comparisonOperator, comparisonFilter.Property, comparisonFilter.PropertyValue));
                }
                return(QueryFilter.NotFilter(QueryFilter.SimplifyFilter(filter2)));
            }
            else
            {
                AndFilter andFilter = filter as AndFilter;
                if (andFilter != null)
                {
                    return(QueryFilter.SimplifyCompositeFilter <AndFilter, OrFilter>(andFilter));
                }
                OrFilter orFilter = filter as OrFilter;
                if (orFilter != null)
                {
                    return(QueryFilter.SimplifyCompositeFilter <OrFilter, AndFilter>(orFilter));
                }
                return(filter);
            }
        }
Exemple #3
0
        public static bool FilterMatches(QueryFilter filter, IReadOnlyPropertyBag obj, Func <PropertyDefinition, object> getValueDelegate)
        {
            if (filter == null)
            {
                throw new ArgumentNullException("filter");
            }
            if (getValueDelegate == null && obj == null)
            {
                throw new ArgumentNullException("getValueDelegate && obj");
            }
            NotFilter notFilter = filter as NotFilter;

            if (notFilter != null)
            {
                return(!OpathFilterEvaluator.FilterMatches(notFilter.Filter, obj, getValueDelegate));
            }
            AndFilter andFilter = filter as AndFilter;

            if (andFilter != null)
            {
                foreach (QueryFilter filter2 in andFilter.Filters)
                {
                    if (!OpathFilterEvaluator.FilterMatches(filter2, obj, getValueDelegate))
                    {
                        return(false);
                    }
                }
                return(true);
            }
            OrFilter orFilter = filter as OrFilter;

            if (orFilter != null)
            {
                foreach (QueryFilter filter3 in orFilter.Filters)
                {
                    if (OpathFilterEvaluator.FilterMatches(filter3, obj, getValueDelegate))
                    {
                        return(true);
                    }
                }
                return(false);
            }
            SinglePropertyFilter singlePropertyFilter = filter as SinglePropertyFilter;

            if (singlePropertyFilter != null)
            {
                SimpleProviderPropertyDefinition simpleProviderPropertyDefinition = singlePropertyFilter.Property as SimpleProviderPropertyDefinition;
                if (simpleProviderPropertyDefinition != null && simpleProviderPropertyDefinition.IsFilterOnly)
                {
                    throw new FilterOnlyAttributesException(simpleProviderPropertyDefinition.Name);
                }
                object obj2 = (obj != null) ? obj[singlePropertyFilter.Property] : getValueDelegate(singlePropertyFilter.Property);
                if (OpathFilterEvaluator.IsNullOrEmpty(obj2))
                {
                    return(OpathFilterEvaluator.FilterMatchesValue(singlePropertyFilter, null));
                }
                ICollection collection = obj2 as ICollection;
                if (collection != null)
                {
                    foreach (object value in collection)
                    {
                        if (OpathFilterEvaluator.FilterMatchesValue(singlePropertyFilter, value))
                        {
                            return(true);
                        }
                    }
                    return(false);
                }
                return(OpathFilterEvaluator.FilterMatchesValue(singlePropertyFilter, obj2));
            }
            else
            {
                CSharpFilter <IReadOnlyPropertyBag> csharpFilter = filter as CSharpFilter <IReadOnlyPropertyBag>;
                if (csharpFilter != null)
                {
                    if (obj == null)
                    {
                        throw new ArgumentNullException("obj");
                    }
                    return(csharpFilter.Match(obj));
                }
                else
                {
                    if (filter is TrueFilter)
                    {
                        return(true);
                    }
                    if (filter is FalseFilter)
                    {
                        return(false);
                    }
                    throw new NotSupportedException("The specified filter type \"" + filter.GetType().Name + "\" is currently not supported.");
                }
            }
            bool result;

            return(result);
        }