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#ifndef NODE_NODEEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define NODE_NODEEVENTS_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 <map>
#include <vector>
#include "yaml-cpp/anchor.h"
#include "yaml-cpp/node/ptr.h"
namespace YAML {
namespace detail {
class node;
} // namespace detail
} // namespace YAML
namespace YAML {
class EventHandler;
class Node;
class NodeEvents {
public:
explicit NodeEvents(const Node& node);
void Emit(EventHandler& handler);
private:
class AliasManager {
public:
AliasManager() : m_curAnchor(0) {}
void RegisterReference(const detail::node& node);
anchor_t LookupAnchor(const detail::node& node) const;
private:
anchor_t _CreateNewAnchor() { return ++m_curAnchor; }
private:
typedef std::map<const detail::node_ref*, anchor_t> AnchorByIdentity;
AnchorByIdentity m_anchorByIdentity;
anchor_t m_curAnchor;
};
void Setup(const detail::node& node);
void Emit(const detail::node& node, EventHandler& handler,
AliasManager& am) const;
bool IsAliased(const detail::node& node) const;
private:
detail::shared_memory_holder m_pMemory;
detail::node* m_root;
typedef std::map<const detail::node_ref*, int> RefCount;
RefCount m_refCount;
};
}
#endif // NODE_NODEEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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