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);
}
public override bool Equals(object obj)
{
SinglePropertyFilter singlePropertyFilter = obj as SinglePropertyFilter;
return(singlePropertyFilter != null && singlePropertyFilter.GetType() == base.GetType() && this.property.Equals(singlePropertyFilter.property));
}
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);
}
}
}