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// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
* ProjT Launcher - Minecraft Launcher
* Copyright (C) 2026 Project Tick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#pragma once
#include <QAnyStringView>
#include <QDateTime>
#include <QList>
#include <QString>
#include <QStringView>
#include <QXmlStreamReader>
#include <optional>
#include <variant>
#include "MessageLevel.h"
namespace projt::logs
{
class LogEventParser
{
public:
struct LogRecord
{
QString logger;
MessageLevel::Enum level = MessageLevel::Unknown;
QString levelText;
QDateTime timestamp;
QString thread;
QString message;
};
struct RawLine
{
QString text;
};
struct PendingChunk
{
QString data;
};
struct ParseFailure
{
QString message;
QXmlStreamReader::Error code = QXmlStreamReader::Error::NoError;
};
using Item = std::variant<LogRecord, RawLine, PendingChunk>;
LogEventParser() = default;
void pushLine(QAnyStringView data);
std::optional<Item> popNext();
QList<Item> drainAvailable();
std::optional<ParseFailure> lastError() const;
static MessageLevel::Enum guessLevelFromLine(const QString& line, MessageLevel::Enum fallback);
private:
std::optional<LogRecord> readEventAttributes();
std::optional<Item> parseLog4jEvent();
bool isPotentialLog4j(QStringView view) const;
bool looksCompleteLog4j() const;
void captureError();
void clearError();
QString m_buffer;
QString m_holdover;
QXmlStreamReader m_reader;
std::optional<ParseFailure> m_error;
};
} // namespace projt::logs
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