#ifndef NODE_NODEBUILDER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define NODE_NODEBUILDER_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 <vector>

#include "yaml-cpp/anchor.h"
#include "yaml-cpp/emitterstyle.h"
#include "yaml-cpp/eventhandler.h"
#include "yaml-cpp/node/ptr.h"

namespace YAML {
namespace detail {
class node;
}  // namespace detail
struct Mark;
}  // namespace YAML

namespace YAML {
class Node;

class NodeBuilder : public EventHandler {
public:
	NodeBuilder();
	NodeBuilder(const NodeBuilder&) = delete;
	NodeBuilder(NodeBuilder&&) = delete;
	NodeBuilder& operator=(const NodeBuilder&) = delete;
	NodeBuilder& operator=(NodeBuilder&&) = delete;
	~NodeBuilder() override;

	Node Root();

	void OnDocumentStart(const Mark& mark) override;
	void OnDocumentEnd() override;

	void OnNull(const Mark& mark, anchor_t anchor) override;
	void OnAlias(const Mark& mark, anchor_t anchor) override;
	void OnScalar(const Mark& mark, const std::string& tag, anchor_t anchor, const std::string& value) override;

	void OnSequenceStart(const Mark& mark, const std::string& tag, anchor_t anchor, EmitterStyle::value style) override;
	void OnSequenceEnd() override;

	void OnMapStart(const Mark& mark, const std::string& tag, anchor_t anchor, EmitterStyle::value style) override;
	void OnMapEnd() override;

private:
	detail::node& Push(const Mark& mark, anchor_t anchor);
	void Push(detail::node& node);
	void Pop();
	void RegisterAnchor(anchor_t anchor, detail::node& node);

private:
	detail::shared_memory_holder m_pMemory;
	detail::node* m_pRoot;

	using Nodes = std::vector<detail::node*>;
	Nodes m_stack;
	Nodes m_anchors;

	using PushedKey = std::pair<detail::node*, bool>;
	std::vector<PushedKey> m_keys;
	std::size_t m_mapDepth;
};
}  // namespace YAML

#endif	// NODE_NODEBUILDER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
