mirror of https://github.com/axmolengine/axmol.git
69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#ifndef NODE_NODEEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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#define NODE_NODEEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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#if defined(_MSC_VER) || \
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(defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || \
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(__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
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#pragma once
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#endif
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#include <map>
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#include <vector>
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#include "yaml-cpp/anchor.h"
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#include "yaml-cpp/node/ptr.h"
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namespace YAML {
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namespace detail {
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class node;
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} // namespace detail
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} // namespace YAML
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namespace YAML {
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class EventHandler;
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class Node;
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class NodeEvents {
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public:
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explicit NodeEvents(const Node& node);
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NodeEvents(const NodeEvents&) = delete;
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NodeEvents(NodeEvents&&) = delete;
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NodeEvents& operator=(const NodeEvents&) = delete;
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NodeEvents& operator=(NodeEvents&&) = delete;
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void Emit(EventHandler& handler);
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private:
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class AliasManager {
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public:
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AliasManager() : m_anchorByIdentity{}, m_curAnchor(0) {}
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void RegisterReference(const detail::node& node);
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anchor_t LookupAnchor(const detail::node& node) const;
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private:
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anchor_t _CreateNewAnchor() { return ++m_curAnchor; }
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private:
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using AnchorByIdentity = std::map<const detail::node_ref*, anchor_t>;
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AnchorByIdentity m_anchorByIdentity;
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anchor_t m_curAnchor;
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};
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void Setup(const detail::node& node);
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void Emit(const detail::node& node, EventHandler& handler,
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AliasManager& am) const;
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bool IsAliased(const detail::node& node) const;
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private:
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detail::shared_memory_holder m_pMemory;
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detail::node* m_root;
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using RefCount = std::map<const detail::node_ref*, int>;
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RefCount m_refCount;
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};
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} // namespace YAML
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#endif // NODE_NODEEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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