public bool CheckCondition(model.ConditionNode condition, DataScope dataScope)
{
if (condition == null)
{
return(true);
}
if (condition is model.LogicalNode)
{
model.LogicalNode logicalNode = (model.LogicalNode)condition;
bool?aggregateResult = null;
foreach (model.ConditionNode node in logicalNode.Nodes)
{
bool nodeResult = CheckCondition(node, dataScope);
if (aggregateResult == null)
{
aggregateResult = nodeResult;
continue;
}
if (logicalNode.ConditionalOperator == model.Conditional.And)
{
aggregateResult = aggregateResult.Value && nodeResult;
if (!aggregateResult.Value)
{
break;
}
}
else if (logicalNode.ConditionalOperator == model.Conditional.Or)
{
aggregateResult = aggregateResult.Value || nodeResult;
}
else
{
throw new NotSupportedException();
}
}
return(aggregateResult.Value);
}
else
{
model.ExpressionNode expressionNode = (model.ExpressionNode)condition;
IExpressionEvaluator evaluator = ExpressionEvaluatorFactory.GetExpressionEvaulator(expressionNode.DataType);
return(evaluator.EvaulateExpression(expressionNode, dataScope));
}
}
