//Warning: This function will throw an exception in case the attribute doesn't exist!
public virtual string GetNodeAttribute(string attr, bool recursive = false)
{
if (!recursive || (Parent == null) || NodeAttributes.ContainsKey(attr))
{
return(NodeAttributes[attr]);
}
return(Parent.GetNodeAttribute(attr, true));
}
public virtual bool HasNodeAttribute(string attr, bool recursive = false)
{
var hasLocalAttr = NodeAttributes.ContainsKey(attr);
if (!recursive || hasLocalAttr || (Parent == null))
{
return(hasLocalAttr);
}
return(Parent.HasNodeAttribute(attr, true));
}