LogLevelParse.h

Go to the documentation of this file.

// SPDX-FileCopyrightText: 2026 Valentin Eloy
// SPDX-License-Identifier: GPL-3.0-or-later
 
#pragma once
 
#include <cctype>
#include <optional>
#include <string>
#include <string_view>
 
#include "Core/Diagnostics/LogLevel.h"

 
namespace core {

[[nodiscard]] inline std::optional<LogLevel> parseLogLevel(std::string_view text) {
    std::string lowered;
    lowered.reserve(text.size());
    for (const char character : text) {
        lowered.push_back(static_cast<char>(std::tolower(static_cast<unsigned char>(character))));
    }
 
    if (lowered == "trace") {
        return LogLevel::Trace;
    }
    if (lowered == "info") {
        return LogLevel::Info;
    }
    if (lowered == "warning" || lowered == "warn") {
        return LogLevel::Warning;
    }
    if (lowered == "error") {
        return LogLevel::Error;
    }
    return std::nullopt;
}
 
}  // namespace core