private int CalcNumOfRootElements(Alias alias)
{
int result = 0;
var aliasDef = alias.AliasDefinition;
if (aliasDef == null)
{
return(0);
}
if (aliasDef.HasCircularReference)
{
return(0);
}
PairCollection <Entity> entities = null;
if (aliasDef.Delimiter == DelimiterEnum.CC)
{
var choiceInfo = JsonGenerator.FindChoiceInfo(_choiceStack.Peek(), alias);
if (choiceInfo?.Children != null)
{
entities = ((Element)choiceInfo.Children[0].ChoiceNode).Entities;
}
}
else
{
entities = aliasDef.Entities;
}
if (entities == null)
{
return(result);
}
foreach (var entity in entities)
{
if (entity is DOM.Element)
{
result++;
continue;
}
var scopeEntity = entity as Scope;
if (scopeEntity != null)
{
result += CalcNumOfRootElements(scopeEntity);
continue;
}
var aliasEntity = entity as DOM.Alias;
if (aliasEntity != null)
{
result += CalcNumOfRootElements((Alias)aliasEntity);
continue;
}
}
return(result);
}
