debug.hpp
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debug.hpp
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	/*
	* This file is part of libkazv.
	* SPDX-FileCopyrightText: 2020 Tusooa Zhu
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/


	#pragma once
	#include "libkazv-config.hpp"
	#include <iostream>
	#include <chrono>
	#include <ctime>

	#include <boost/iostreams/stream.hpp>

	namespace Kazv
	{
	namespace detail
	{
	extern boost::iostreams::stream<boost::iostreams::null_sink> voidOutputHelper;

	enum OutputLevel
	{
	NONE,
	ERROR,
	WARNING,
	INFO,
	DEBUG,
	};

	struct OutputHelper
	{
	std::string category;
	OutputLevel severity;
	OutputLevel level;

	std::ostream &basicFormat() const;

	template<class T>
	std::ostream &operator<<(T &&arg) const {
	if (severity <= level) {
	return basicFormat() << std::forward<T>(arg);
	} else {
	return voidOutputHelper;
	}
	}
	};

	struct OutputGroup
	{
	std::string name;
	OutputLevel level;

	OutputHelper dbg() const;
	OutputHelper info() const;
	OutputHelper warn() const;
	OutputHelper err() const;
	};

	struct OutputConfig
	{
	OutputConfig();
	OutputGroup api;
	OutputGroup base;
	OutputGroup client;
	OutputGroup ee;
	OutputGroup job;
	OutputGroup crypto;
	};
	}

	extern const detail::OutputConfig kzo;
	}