text: #ifndef VALUE_DETAIL_NODE_REF_H_62B23520_7C8E_11DE_8A39_0800200C9A66
  #define VALUE_DETAIL_NODE_REF_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 "yaml-cpp/dll.h"
  #include "yaml-cpp/node/type.h"
  #include "yaml-cpp/node/ptr.h"
  #include "yaml-cpp/node/detail/node_data.h"
  #include <boost/utility.hpp>
  
  namespace YAML
  {
  	namespace detail
  	{
  		class node_ref: private boost::noncopyable
  		{
  		public:
  			node_ref(): m_pData(new node_data) {}
  
  			bool is_defined() const { return m_pData->is_defined(); }
  			NodeType::value type() const { return m_pData->type(); }
  			const std::string& scalar() const { return m_pData->scalar(); }
  			const std::string& tag() const { return m_pData->tag(); }
  
  			void mark_defined() { m_pData->mark_defined(); }
  			void set_data(const node_ref& rhs) { m_pData = rhs.m_pData; }
  
  			void set_type(NodeType::value type) { m_pData->set_type(type); }
  			void set_tag(const std::string& tag) { m_pData->set_tag(tag); }
  			void set_null() { m_pData->set_null(); }
  			void set_scalar(const std::string& scalar) { m_pData->set_scalar(scalar); }
  
  			// size/iterator
  			std::size_t size() const { return m_pData->size(); }
  
  			const_node_iterator begin() const { return static_cast<const node_data&>(*m_pData).begin(); }
  			node_iterator begin() {return m_pData->begin(); }
  
  			const_node_iterator end() const { return static_cast<const node_data&>(*m_pData).end(); }
  			node_iterator end() {return m_pData->end(); }
  
  			// sequence
  			void push_back(node& node, shared_memory_holder pMemory) { m_pData->push_back(node, pMemory); }
  			void insert(node& key, node& value, shared_memory_holder pMemory) { m_pData->insert(key, value, pMemory); }
  
  			// indexing
  			template<typename Key> node& get(const Key& key, shared_memory_holder pMemory) const { return static_cast<const node_data&>(*m_pData).get(key, pMemory); }
  			template<typename Key> node& get(const Key& key, shared_memory_holder pMemory) { return m_pData->get(key, pMemory); }
  			template<typename Key> bool remove(const Key& key, shared_memory_holder pMemory) { return m_pData->remove(key, pMemory); }
  
  			node& get(node& key, shared_memory_holder pMemory) const { return static_cast<const node_data&>(*m_pData).get(key, pMemory); }
  			node& get(node& key, shared_memory_holder pMemory) { return m_pData->get(key, pMemory); }
  			bool remove(node& key, shared_memory_holder pMemory) { return m_pData->remove(key, pMemory); }
  
              // map
              template<typename Key, typename Value>
              void force_insert(const Key& key, const Value& value, shared_memory_holder pMemory) { m_pData->force_insert(key, value, pMemory); }
  
  		private:
  			shared_node_data m_pData;
  		};
  	}
  }
  
  #endif // VALUE_DETAIL_NODE_REF_H_62B23520_7C8E_11DE_8A39_0800200C9A66
  