public void Evaluate(FormattedSentence.Context context, Stack <FormattedSentence.IEvaluationStackMember> evaluationStack)
{
FormattedSentence.IEvaluationStackMember evaluationStackMember = evaluationStack.Pop();
FormattedSentence.IEvaluationStackMember evaluationStackMember2 = evaluationStack.Pop();
FormattedSentence.IEvaluationStackMember evaluationStackMember3 = evaluationStack.Pop();
bool flag = (!evaluationStackMember3.IsEmpty && !evaluationStackMember.IsEmpty) || (!evaluationStackMember3.IsEmpty && evaluationStackMember == FormattedSentence.StringConstant.Null) || (!evaluationStackMember.IsEmpty && evaluationStackMember3 == FormattedSentence.StringConstant.Null);
evaluationStack.Push(FormattedSentence.CompositeString.Create(new FormattedSentence.IEvaluationStackMember[]
{
evaluationStackMember3,
flag ? evaluationStackMember2 : FormattedSentence.StringConstant.Null,
evaluationStackMember
}));
}
public static FormattedSentence.IEvaluationStackMember Create(params FormattedSentence.IEvaluationStackMember[] members)
{
FormattedSentence.IEvaluationStackMember evaluationStackMember = null;
foreach (FormattedSentence.IEvaluationStackMember evaluationStackMember2 in members)
{
if (!evaluationStackMember2.IsEmpty)
{
if (evaluationStackMember != null)
{
return(new FormattedSentence.CompositeString(members));
}
evaluationStackMember = evaluationStackMember2;
}
}
if (evaluationStackMember == null)
{
return(FormattedSentence.StringConstant.EmptySpacer);
}
return(evaluationStackMember);
}
public string Evaluate(FormattedSentence.Context context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
Stack <FormattedSentence.IEvaluationStackMember> stack = new Stack <FormattedSentence.IEvaluationStackMember>();
foreach (FormattedSentence.IInstructionQueueMember instructionQueueMember in this.instructionQueue)
{
instructionQueueMember.Evaluate(context, stack);
}
FormattedSentence.IEvaluationStackMember evaluationStackMember = stack.Pop();
if (stack.Count > 0)
{
throw new InvalidOperationException("FormattedSentence execution produced unexpected results: more than 1 result element");
}
StringBuilder stringBuilder = new StringBuilder();
evaluationStackMember.WriteTo(stringBuilder);
return(stringBuilder.ToString());
}
