Пример #1
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);
        }
Пример #2
0
        public override bool Equals(object obj)
        {
            SinglePropertyFilter singlePropertyFilter = obj as SinglePropertyFilter;

            return(singlePropertyFilter != null && singlePropertyFilter.GetType() == base.GetType() && this.property.Equals(singlePropertyFilter.property));
        }
Пример #3
0
        private static bool FilterMatchesValue(SinglePropertyFilter filter, object value)
        {
            if (filter is ExistsFilter)
            {
                return(null != value);
            }
            if (filter is GenericBitMaskFilter)
            {
                ulong num;
                try
                {
                    num = Convert.ToUInt64(value);
                }
                catch (InvalidCastException)
                {
                    return(false);
                }
                GenericBitMaskFilter genericBitMaskFilter = filter as GenericBitMaskFilter;
                if (genericBitMaskFilter is BitMaskOrFilter)
                {
                    return(0UL != (genericBitMaskFilter.Mask & num));
                }
                if (genericBitMaskFilter is BitMaskAndFilter)
                {
                    return(genericBitMaskFilter.Mask == (genericBitMaskFilter.Mask & num));
                }
            }
            if (filter is TextFilter)
            {
                TextFilter textFilter = filter as TextFilter;
                string     text       = textFilter.Text ?? string.Empty;
                string     text2      = (value == null) ? string.Empty : value.ToString();
                if (string.IsNullOrEmpty(text2))
                {
                    return(string.IsNullOrEmpty(text));
                }
                StringComparison stringComparison = OpathFilterEvaluator.GetStringComparison(textFilter.MatchFlags);
                switch (textFilter.MatchOptions)
                {
                case MatchOptions.FullString:
                    return(text2.Equals(text, stringComparison));

                case MatchOptions.SubString:
                case MatchOptions.ExactPhrase:
                    return(-1 != text2.IndexOf(text, stringComparison));

                case MatchOptions.Prefix:
                    return(text2.StartsWith(text, stringComparison));

                case MatchOptions.Suffix:
                    return(text2.EndsWith(text, stringComparison));

                case MatchOptions.WildcardString:
                    return(OpathFilterEvaluator.MatchesWildcardString(text, text2, stringComparison));
                }
                throw new NotSupportedException("Not a currently supported Match Option: " + textFilter.MatchOptions);
            }
            else
            {
                if (!(filter is ComparisonFilter))
                {
                    throw new NotSupportedException("The specified filter type \"" + filter.GetType().Name + "\" is currently not supported.");
                }
                ComparisonFilter comparisonFilter = filter as ComparisonFilter;
                object           obj = ValueConvertor.ConvertValue(comparisonFilter.PropertyValue, comparisonFilter.Property.Type, null);
                switch (comparisonFilter.ComparisonOperator)
                {
                case ComparisonOperator.Equal:
                    return(OpathFilterEvaluator.Equals(obj, value, StringComparison.OrdinalIgnoreCase));

                case ComparisonOperator.NotEqual:
                    return(!OpathFilterEvaluator.Equals(obj, value, StringComparison.OrdinalIgnoreCase));

                case ComparisonOperator.LessThan:
                    return(0 < Comparer.Default.Compare(obj, value));

                case ComparisonOperator.LessThanOrEqual:
                    return(0 <= Comparer.Default.Compare(obj, value));

                case ComparisonOperator.GreaterThan:
                    return(0 > Comparer.Default.Compare(obj, value));

                case ComparisonOperator.GreaterThanOrEqual:
                    return(0 >= Comparer.Default.Compare(obj, value));

                default:
                    throw new NotSupportedException("Not a currently supported comparison operator: " + comparisonFilter.ComparisonOperator);
                }
            }
        }