internal object[] GetPredicateValues(FilterPredicate predicate)
{
int length = Math.Min(predicate.Values.Count, predicate.FilterFunction.ParameterCount);
object[] objArray = new object[length];
for (int index = 0; index < length; ++index)
{
object key = predicate.Values[index];
objArray[index] = this.IsParameter(key) ? this.parameters[(string)key] : key;
}
return(objArray);
}
internal static string GetExpression(
FilterExpression filterExpression,
FilterPredicate predicate)
{
string name = DataUtils.EscapeName(filterExpression.FieldName);
string str = FilterExpression.GetCompositeExpression(name, predicate.Function, (object)predicate.Values);
if (string.IsNullOrEmpty(str))
{
str = FilterExpression.GetSingleExpression(name, predicate.Function, (object)predicate.Values);
}
return(str);
}
public int GetValidPredicateCount()
{
int num = 0;
for (int index = 0; index < this.predicates.Count; ++index)
{
FilterPredicate predicate = this.predicates[index];
if (predicate != null && predicate.Function != GridKnownFunction.NoFilter && this.IsPredicateValid(predicate))
{
++num;
}
}
return(num);
}
private bool IsPredicateValid(FilterPredicate filterPredicate)
{
object[] predicateValues = this.GetPredicateValues(filterPredicate);
if (predicateValues.Length == 0)
{
return(false);
}
for (int index = 0; index < predicateValues.Length; ++index)
{
if (predicateValues[index] == null)
{
return(false);
}
}
return(true);
}
public override bool Equals(object obj)
{
FilterPredicate filterPredicate = obj as FilterPredicate;
if (filterPredicate == null || this.function != filterPredicate.function || (this.binaryOperator != filterPredicate.BinaryOperator || this.values.Count != filterPredicate.values.Count))
{
return(false);
}
for (int index = 0; index < this.values.Count; ++index)
{
if (this.values[index] != filterPredicate.values[index])
{
return(false);
}
}
return(true);
}