selector_node.hpp

#pragma once
 
#include "../global.hpp"
 
#include "value_node.hpp"
 
 
 
namespace Cvb
{
CVB_BEGIN_INLINE_NS
namespace GevServer
{
 
class SelectorNode
    : public ValueNode
{
public:
  explicit SelectorNode(HandleGuard<Node> &&guard) : ValueNode(std::move(guard)) {}
 
 
  bool IsSelector() const
  {
    if (selector_ == Selector::Undefined)
    {
      selector_ = (GetDependentNodeCount(NodeList::Selected)) ? Selector::Yes : Selector::No;
    }
    return (selector_ == Selector::Yes) ? true : false;
  }
 
 
  std::vector<ValueNodePtr> SelectedNodes() const { return GetDependentNodes<ValueNode>(NodeList::Selected); }
 
private:
  enum class Selector
  {
    Yes,
    No,
    Undefined
  };
 
  mutable Selector selector_ = Selector::Undefined;
};
}
CVB_END_INLINE_NS
}