首次提交

2026-07-01 10:02:29 +08:00
commit 05c6fc6232
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+#ifndef NODE_NODE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
+#define NODE_NODE_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 <stdexcept>
+#include <string>
+
+#include "yaml-cpp/dll.h"
+#include "yaml-cpp/emitterstyle.h"
+#include "yaml-cpp/mark.h"
+#include "yaml-cpp/node/detail/iterator_fwd.h"
+#include "yaml-cpp/node/ptr.h"
+#include "yaml-cpp/node/type.h"
+
+namespace YAML {
+namespace detail {
+class node;
+class node_data;
+struct iterator_value;
+}  // namespace detail
+}  // namespace YAML
+
+namespace YAML {
+class YAML_CPP_API Node {
+ public:
+  friend class NodeBuilder;
+  friend class NodeEvents;
+  friend struct detail::iterator_value;
+  friend class detail::node;
+  friend class detail::node_data;
+  template <typename>
+  friend class detail::iterator_base;
+  template <typename T, typename S>
+  friend struct as_if;
+
+  using iterator = YAML::iterator;
+  using const_iterator = YAML::const_iterator;
+
+  Node();
+  explicit Node(NodeType::value type);
+  template <typename T>
+  explicit Node(const T& rhs);
+  explicit Node(const detail::iterator_value& rhs);
+  Node(const Node& rhs);
+  ~Node();
+
+  YAML::Mark Mark() const;
+  NodeType::value Type() const;
+  bool IsDefined() const;
+  bool IsNull() const { return Type() == NodeType::Null; }
+  bool IsScalar() const { return Type() == NodeType::Scalar; }
+  bool IsSequence() const { return Type() == NodeType::Sequence; }
+  bool IsMap() const { return Type() == NodeType::Map; }
+
+  // bool conversions
+  explicit operator bool() const { return IsDefined(); }
+  bool operator!() const { return !IsDefined(); }
+
+  // access
+  template <typename T>
+  T as() const;
+  template <typename T, typename S>
+  T as(const S& fallback) const;
+  const std::string& Scalar() const;
+  const std::string& UninstrumentedScalarForTesting() const;
+
+  const std::string& Tag() const;
+  void SetTag(const std::string& tag);
+
+  // style
+  // WARNING: This API might change in future releases.
+  EmitterStyle::value Style() const;
+  void SetStyle(EmitterStyle::value style);
+
+  // assignment
+  bool is(const Node& rhs) const;
+  template <typename T>
+  Node& operator=(const T& rhs);
+  Node& operator=(const Node& rhs);
+  void reset(const Node& rhs = Node());
+
+  // size/iterator
+  std::size_t size() const;
+
+  const_iterator begin() const;
+  iterator begin();
+
+  const_iterator end() const;
+  iterator end();
+
+  // sequence
+  template <typename T>
+  void push_back(const T& rhs);
+  void push_back(const Node& rhs);
+
+  // indexing
+  template <typename Key>
+  const Node operator[](const Key& key) const;
+  template <typename Key>
+  Node operator[](const Key& key);
+  template <typename Key>
+  bool remove(const Key& key);
+
+  const Node operator[](const Node& key) const;
+  Node operator[](const Node& key);
+  bool remove(const Node& key);
+
+  // map
+  template <typename Key, typename Value>
+  void force_insert(const Key& key, const Value& value);
+
+ private:
+  enum Zombie { ZombieNode };
+  explicit Node(Zombie);
+  explicit Node(Zombie, const std::string&);
+  explicit Node(detail::node& node, detail::shared_memory_holder pMemory);
+
+  void EnsureNodeExists() const;
+  void Invalidate();
+
+  template <typename T>
+  void Assign(const T& rhs);
+  void Assign(const char* rhs);
+  void Assign(char* rhs);
+
+  void AssignData(const Node& rhs);
+  void AssignNode(const Node& rhs);
+
+ private:
+  bool m_isValid;
+  // String representation of invalid key, if the node is invalid.
+  std::string m_invalidKey;
+  mutable detail::shared_memory_holder m_pMemory;
+  mutable detail::node* m_pNode;
+};
+
+YAML_CPP_API bool operator==(const Node& lhs, const Node& rhs);
+
+YAML_CPP_API Node Clone(const Node& node);
+
+template <typename T>
+struct convert;
+}
+
+#endif  // NODE_NODE_H_62B23520_7C8E_11DE_8A39_0800200C9A66