external_libraries/yaml-cpp-0.3.0/src/nodeownership.h

   1 #ifndef NODE_OWNERSHIP_H_62B23520_7C8E_11DE_8A39_0800200C9A66
   2 #define NODE_OWNERSHIP_H_62B23520_7C8E_11DE_8A39_0800200C9A66
   3
   4 #if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
   5 #pragma once
   6 #endif
   7
   8
   9 #include "yaml-cpp/noncopyable.h"
  10 #include "ptr_vector.h"
  11 #include <set>
  12
  13 namespace YAML
  14 {
  15         class Node;
  16
  17         class NodeOwnership: private noncopyable
  18         {
  19         public:
  20                 explicit NodeOwnership(NodeOwnership *pOwner = 0);
  21                 ~NodeOwnership();
  22
  23                 Node& Create() { return m_pOwner->_Create(); }
  24                 void MarkAsAliased(const Node& node) { m_pOwner->_MarkAsAliased(node); }
  25                 bool IsAliased(const Node& node) const { return m_pOwner->_IsAliased(node); }
  26
  27         private:
  28                 Node& _Create();
  29                 void _MarkAsAliased(const Node& node);
  30                 bool _IsAliased(const Node& node) const;
  31
  32         private:
  33                 ptr_vector<Node> m_nodes;
  34                 std::set<const Node *> m_aliasedNodes;
  35                 NodeOwnership *m_pOwner;
  36         };
  37 }
  38
  39 #endif // NODE_OWNERSHIP_H_62B23520_7C8E_11DE_8A39_0800200C9A66