private int CanApply(Rule r)
{
int maxLevel = -1;
foreach (IFact f in r.Premises)
{
IFact foundFact = fDB.Search(f.Name);
if (foundFact == null)
{
if (f.Question != null)
{
foundFact = FactFactory.Fact(f, this);
fDB.AddFact(foundFact);
maxLevel = Math.Max(maxLevel, 0);
}
else
{
return(-1);
}
}
if (!foundFact.Value.Equals(f.Value))
{
return(-1);
}
else
{
maxLevel = Math.Max(maxLevel, foundFact.Level);
}
}
return(maxLevel);
}
public void AddRule(string ruleStr)
{
// Séparation nom : règle
String[] splitName = ruleStr.Split(new String[] { " : " },
StringSplitOptions.RemoveEmptyEntries);
if (splitName.Length == 2)
{
String name = splitName[0];
// Séparation premisses THEN conclusion
String[] splitPremConcl = splitName[1].Split(new String[]
{ "IF ", ", ", " THEN " }, StringSplitOptions.RemoveEmptyEntries);
if (splitPremConcl.Length == 2)
{
// Lecture des premisses
List <IFact> premises = new List <IFact>();
String[] premisesStr = splitPremConcl[0].Split(new String[] { " AND " },
StringSplitOptions.RemoveEmptyEntries);
foreach (String prem in premisesStr)
{
IFact premise = FactFactory.Fact(prem);
premises.Add(premise);
}
// Lecture de la conclusion
String conclusionStr = splitPremConcl[1].Trim();
IFact conclusion = FactFactory.Fact(conclusionStr);
// Création de la règle et ajout
rDB.AddRule(new Rule(name, premises, conclusion));
}
}
}
private int CanApply(Rule r)
{
int maxlevel = -1;
// On vérifie si chaque prémises est vraie
foreach (IFact f in r.Premises)
{
IFact foundFact = fDB.Search(f.Name());
if (foundFact == null)
{
// Ce fait n'existe pas dans la base actuellement
if (f.Question() != null)
{
// On le demande à l'utilisateur
// et on l'ajoute en base
foundFact = FactFactory.Fact(f, this);
maxlevel = Math.Max(maxlevel, 0);
}
else
{
// On sait que la régle ne s'applique pas
return(-1);
}
}
// On a un fait en base, on vérfie sa valeur
if (!foundFact.Value().Equals(f.Value()))
{
// Elle ne correspond pas
return(-1);
}
else
{
// Elle correspond
maxlevel = Math.Max(maxlevel, foundFact.Level());
}
}
return(maxlevel);
}
public void AddRule(string ruleStr)
{
string[] splitName = ruleStr.Split(new string[] { " : " }, StringSplitOptions.RemoveEmptyEntries);
if (splitName.Length == 2)
{
string name = splitName[0];
string[] splitPremConcl = splitName[1].Split(new string[] { "IF", " THEN " }, StringSplitOptions.RemoveEmptyEntries);
if (splitPremConcl.Length == 2)
{
List <IFact> premises = new List <IFact>();
string[] premisesStr = splitPremConcl[0].Split(new string[] { " AND " }, StringSplitOptions.RemoveEmptyEntries);
foreach (string prem in premisesStr)
{
IFact premise = FactFactory.Fact(prem);
premises.Add(premise);
}
string conclStr = splitPremConcl[1].Trim();
IFact conclusion = FactFactory.Fact(conclStr);
rDB.Add(new Rule(name, premises, conclusion));
}
}
}
