private Rule FindRule(StringBuilder data)
{
switch (RuleSelectionPolicy)
{
case RuleSelectionPolicies.Ascending:
foreach (Rule rule in Rules)
{
if (data.ToString().IndexOf(rule.Original, StringComparison.InvariantCultureIgnoreCase) >= 0)
{
return(rule);
}
}
break;
case RuleSelectionPolicies.Descending:
foreach (Rule rule in Rules.AsEnumerable().Reverse())
{
if (data.ToString().IndexOf(rule.Original, StringComparison.InvariantCultureIgnoreCase) >= 0)
{
return(rule);
}
}
break;
case RuleSelectionPolicies.Random:
{
List <Rule> matchingRules = new List <Rule>();
foreach (Rule rule in Rules)
{
if (data.ToString().IndexOf(rule.Original, StringComparison.InvariantCultureIgnoreCase) >= 0)
{
matchingRules.Add(rule);
}
}
if (matchingRules.Count > 0)
{
return(matchingRules[Rng.Next(matchingRules.Count)]);
}
break;
}
}
return(null);
}
