//protected Type _type;
//public CustomParameterBase(Type type)
//{
// _type = type;
//}
public void Apply(IRuleElement element)
{
if (element is T t)
{
InnerApply(t);
}
}
public bool Process(IRuleElement variable, Operator @operator)
{
switch (@operator.Value)
{
case Operators.NotEqual:
return(NotEqual(Value, variable.Value));
case Operators.Equal:
return(Equal(Value, variable.Value));
case Operators.GreaterThan:
return(GreaterThan(Value, variable.Value));
case Operators.GreaterThanOrEqual:
return(GreaterThanOrEqual(Value, variable.Value));
case Operators.LessThan:
return(LessThan(Value, variable.Value));
case Operators.LessThanOrEqual:
return(LessThanOrEqual(Value, variable.Value));
case Operators.Contains:
return(Contains(Value, variable.Value));
default:
throw new ArgumentOutOfRangeException(nameof(@operator));
}
}
public static IEnumerable <string> AllGraphicTags(this IRuleElement t)
{
var tags = new List <string>();
if (t.GraphicTag != null)
{
tags.Add(t.GraphicTag);
}
tags.AddRange(t.AlternativeGraphicTags);
return(tags);
}
/// <summary>
/// Данный функционал вынесен отдельно для того, чтобы можно было повторно использовать в ModRuleEntity
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="rule"></param>
/// <param name="serializerRoot"></param>
/// <param name="definition"></param>
/// <returns></returns>
protected virtual T InnerGetRule <T>(ref IRuleElement rule, IRuleSerializerRoot serializerRoot, string definition) where T : IRuleElement
{
if (serializerRoot == null)
{
throw new ArgumentNullException(nameof(serializerRoot));
}
if (rule == null)
{
rule = serializerRoot.Container <T>().Deserialize(definition);
}
return((T)rule);
}
public static bool FindFirstTile <TRenderTile>(this ITileRegistry <TRenderTile> tileSet,
IRuleElement t,
out TRenderTile result)
{
foreach (var tg in t.AllGraphicTags())
{
if (tileSet.TryFind(tg, out TRenderTile g))
{
result = g;
return(true);
}
}
result = default(TRenderTile);
return(false);
}
private Proposition ProcessOperator(Guid contextId, Operator @operator)
{
IRuleElement rhs = _stack.Pop();
IRuleElement lhs = _stack.Pop();
string propName = string.Empty;
if ((Operators)@operator.Value == Operators.Not)
{
propName = string.Join(" ", "(", @operator.Name, lhs.Name, ":", lhs.Value, ")");
}
else
{
propName = string.Join(" ", "(", string.Join("", lhs.Name, ":", lhs.Value), @operator.Name, string.Join("", rhs.Name, ":", rhs.Value), ")");
}
return(new Proposition(propName, lhs.Process(rhs, @operator)));
}
public bool Process(IRuleElement inProposition, Operator @operator)
{
switch (@operator.Value)
{
case Operators.And:
return(And((bool)Value, (bool)inProposition.Value));
case Operators.Not:
return(Not((bool)Value));
case Operators.Or:
return(Or((bool)Value, (bool)inProposition.Value));
case Operators.Xor:
return(Xor((bool)Value, (bool)inProposition.Value));
default:
throw new ArgumentOutOfRangeException(nameof(@operator));
}
}
public override string Serialize(IRuleElement element)
{
throw new NotImplementedException();
}
public Proposition Evaluate(RuleContext context, Queue <IRuleElement> elements = default(Queue <IRuleElement>))
{
if (elements == null)
{
elements = new Queue <IRuleElement>(Elements.ToArray());
}
int count = elements.Count;
int groupCount = 0;
for (int i = 0; i < count; i++)
{
IRuleElement e = elements.Dequeue();
IRuleElement element = context.Find(e.Name);
if (e.GetType() != typeof(Operator))
{
_stack.Push(element ?? e);
}
else if ((Operators)e.Value == Operators.StartGrouping)
{
groupCount++;
var rule = new Rule($"Group_{groupCount}");
var proposition = rule.Evaluate(context, elements);
_stack.Push(proposition);
count = elements.Count + 1;
}
else if ((Operators)e.Value == Operators.EndGrouping)
{
if (_stack.Count > 1)
{
throw new InvalidOperationException("Invalid group expression.");
}
return((Proposition)_stack.Pop());
}
else
{
string cacheName = string.Join(" ", Name, context.Name);
if (!cache.TryGetValue(cacheName, out Proposition proposition))
{
proposition = ProcessOperator(context.Id, (Operator)e);
if (i == (count - 1))
{
cache.TryAdd(cacheName, proposition);
return(proposition);
}
}
if (i == (count - 1))
{
return(proposition);
}
else
{
_stack.Push(proposition);
}
}
}
return((Proposition)_stack.Pop());
}
public bool Check(IRuleElement element)
{
return((element is T t) ? InnerCheck(t) : true);
}
public bool CheckCustomParameters(IRuleElement element)
{
return(CheckParameters?.TrueForAll(c => c.Check(element)) ?? true);
}
/// <summary>
/// Применяет кастомные праметры к элементу, если таковые найдутся - соответствующие его типу
/// </summary>
public void ApplyCustomParameters(IRuleElement element)
{
ApplyParameters?.ForEach(c => c.Apply(element));
}
public bool Process(IRuleElement element, Operator @operator)
{
throw new InvalidOperationException("This operation is not available on this rule element.");
}
public void AddElement(IRuleElement element)
{
_collection.Add(element);
}