#ifndef SINGLEDOCPARSER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define SINGLEDOCPARSER_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 <map>
#include <memory>
#include <string>

#include "yaml-cpp/anchor.h"

namespace YAML {
class CollectionStack;
template <int>
class DepthGuard;  // depthguard.h
class EventHandler;
class Node;
class Scanner;
struct Directives;
struct Mark;
struct Token;

class SingleDocParser {
public:
	SingleDocParser(Scanner& scanner, const Directives& directives);
	SingleDocParser(const SingleDocParser&) = delete;
	SingleDocParser(SingleDocParser&&) = delete;
	SingleDocParser& operator=(const SingleDocParser&) = delete;
	SingleDocParser& operator=(SingleDocParser&&) = delete;
	~SingleDocParser();

	void HandleDocument(EventHandler& eventHandler);

private:
	void HandleNode(EventHandler& eventHandler);

	void HandleSequence(EventHandler& eventHandler);
	void HandleBlockSequence(EventHandler& eventHandler);
	void HandleFlowSequence(EventHandler& eventHandler);

	void HandleMap(EventHandler& eventHandler);
	void HandleBlockMap(EventHandler& eventHandler);
	void HandleFlowMap(EventHandler& eventHandler);
	void HandleCompactMap(EventHandler& eventHandler);
	void HandleCompactMapWithNoKey(EventHandler& eventHandler);

	void ParseProperties(std::string& tag, anchor_t& anchor, std::string& anchor_name);
	void ParseTag(std::string& tag);
	void ParseAnchor(anchor_t& anchor, std::string& anchor_name);

	anchor_t RegisterAnchor(const std::string& name);
	anchor_t LookupAnchor(const Mark& mark, const std::string& name) const;

private:
	int depth = 0;
	Scanner& m_scanner;
	const Directives& m_directives;
	std::unique_ptr<CollectionStack> m_pCollectionStack;

	using Anchors = std::map<std::string, anchor_t>;
	Anchors m_anchors;

	anchor_t m_curAnchor;
};
}  // namespace YAML

#endif	// SINGLEDOCPARSER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
