public List <string> Calculate(List <string> evaluationInput, IPriorityService priority)
{
var priorities = priority.GetPiorityList();
var operationGroupedByPriorities = priorities.GroupBy(p => p.Key).OrderBy(p => p.Key);
foreach (var group in operationGroupedByPriorities)
{
for (int charPosition = 0; charPosition < evaluationInput.Count(); charPosition++)
{
string currentChar = evaluationInput.ElementAt(charPosition);
if (group.Any(g => g.Value.GetOperationSymbol() == currentChar))
{
var concretPriority = GetOperationPriorityGroup(currentChar, group, charPosition);
if (concretPriority.Equals(new KeyValuePair <int, IOperation>()))
{
throw new Exception("no operation");
}
var operation = concretPriority.Value;
var result = operation.Calculate(evaluationInput, charPosition);
var transformationStrategy = operation.GetTransformation();
transformationStrategy.TransformOrginalExpresion(result, evaluationInput, charPosition);
charPosition = 0;
}
}
}
return(evaluationInput);
}