public static bool Evaluate(Restriction restriction, IRuleEvaluationContext context) { if (restriction == null) { context.TraceDebug <string>("Empty restriction evaluated to true in rule {0}", context.CurrentRule.Name); return(true); } Restriction.ResType type = restriction.Type; switch (type) { case Restriction.ResType.And: return(RestrictionEvaluator.EvaluateAndRestriction((Restriction.AndRestriction)restriction, context)); case Restriction.ResType.Or: return(RestrictionEvaluator.EvaluateOrRestriction((Restriction.OrRestriction)restriction, context)); case Restriction.ResType.Not: return(RestrictionEvaluator.EvaluateNotRestriction((Restriction.NotRestriction)restriction, context)); case Restriction.ResType.Content: return(RestrictionEvaluator.EvaluateContentRestriction((Restriction.ContentRestriction)restriction, context)); case Restriction.ResType.Property: return(RestrictionEvaluator.EvaluatePropertyRestriction((Restriction.PropertyRestriction)restriction, context)); case Restriction.ResType.CompareProps: return(RestrictionEvaluator.EvaluateComparePropertyRestriction((Restriction.ComparePropertyRestriction)restriction, context)); case Restriction.ResType.BitMask: return(RestrictionEvaluator.EvaluateBitMaskRestriction((Restriction.BitMaskRestriction)restriction, context)); case Restriction.ResType.Size: return(RestrictionEvaluator.EvaluateSizeRestriction((Restriction.SizeRestriction)restriction, context)); case Restriction.ResType.Exist: return(RestrictionEvaluator.EvaluateExistRestriction((Restriction.ExistRestriction)restriction, context)); case Restriction.ResType.SubRestriction: if (restriction is Restriction.AttachmentRestriction) { return(RestrictionEvaluator.EvaluateAttachmentRestriction((Restriction.AttachmentRestriction)restriction, context)); } if (restriction is Restriction.RecipientRestriction) { return(RestrictionEvaluator.EvaluateRecipientRestriction((Restriction.RecipientRestriction)restriction, context)); } throw new InvalidRuleException(string.Format("SubRestriction Type {0} is not supported!", restriction.GetType())); case Restriction.ResType.Comment: return(RestrictionEvaluator.EvaluateCommentRestriction((Restriction.CommentRestriction)restriction, context)); case Restriction.ResType.Count: return(RestrictionEvaluator.EvaluateCountRestriction((Restriction.CountRestriction)restriction, context)); default: switch (type) { case Restriction.ResType.True: context.TraceFunction("True Restriction"); return(true); case Restriction.ResType.False: context.TraceFunction("False Restriction"); return(false); default: throw new InvalidRuleException(string.Format("Restriction Type {0} is not supported!", restriction.Type)); } break; } }