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#ifndef NODE_NODEBUILDER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define NODE_NODEBUILDER_H_62B23520_7C8E_11DE_8A39_0800200C9A66

#if defined(_MSC_VER) ||                                            \
    (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || \
     (__GNUC__ >= 4))  // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif

#include <vector>

#include "yaml-cpp/anchor.h"
#include "yaml-cpp/emitterstyle.h"
#include "yaml-cpp/eventhandler.h"
#include "yaml-cpp/node/ptr.h"

namespace YAML {
namespace detail {
class node;
}  // namespace detail
struct Mark;
}  // namespace YAML

namespace YAML {
class Node;

class NodeBuilder : public EventHandler {
 public:
  NodeBuilder();
  NodeBuilder(const NodeBuilder&) = delete;
  NodeBuilder(NodeBuilder&&) = delete;
  NodeBuilder& operator=(const NodeBuilder&) = delete;
  NodeBuilder& operator=(NodeBuilder&&) = delete;
  ~NodeBuilder() override;

  Node Root();

  void OnDocumentStart(const Mark& mark) override;
  void OnDocumentEnd() override;

  void OnNull(const Mark& mark, anchor_t anchor) override;
  void OnAlias(const Mark& mark, anchor_t anchor) override;
  void OnScalar(const Mark& mark, const std::string& tag,
                        anchor_t anchor, const std::string& value) override;

  void OnSequenceStart(const Mark& mark, const std::string& tag,
                               anchor_t anchor, EmitterStyle::value style) override;
  void OnSequenceEnd() override;

  void OnMapStart(const Mark& mark, const std::string& tag,
                          anchor_t anchor, EmitterStyle::value style) override;
  void OnMapEnd() override;

 private:
  detail::node& Push(const Mark& mark, anchor_t anchor);
  void Push(detail::node& node);
  void Pop();
  void RegisterAnchor(anchor_t anchor, detail::node& node);

 private:
  detail::shared_memory_holder m_pMemory;
  detail::node* m_pRoot;

  using Nodes = std::vector<detail::node *>;
  Nodes m_stack;
  Nodes m_anchors;

  using PushedKey = std::pair<detail::node*, bool>;
  std::vector<PushedKey> m_keys;
  std::size_t m_mapDepth;
};
}  // namespace YAML

#endif  // NODE_NODEBUILDER_H_62B23520_7C8E_11DE_8A39_0800200C9A66