logger.h

/*****************************************************************************
 * VCLib                                                                     *
 * Visual Computing Library                                                  *
 *                                                                           *
 * Copyright(C) 2021-2025                                                    *
 * Visual Computing Lab                                                      *
 * ISTI - Italian National Research Council                                  *
 *                                                                           *
 * All rights reserved.                                                      *
 *                                                                           *
 * This program is free software; you can redistribute it and/or modify      *
 * it under the terms of the Mozilla Public License Version 2.0 as published *
 * by the Mozilla Foundation; either version 2 of the License, or            *
 * (at your option) any later version.                                       *
 *                                                                           *
 * 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              *
 * Mozilla Public License Version 2.0                                        *
 * (https://www.mozilla.org/en-US/MPL/2.0/) for more details.                *
 ****************************************************************************/
 
#ifndef VCL_CONCEPTS_LOGGER_H
#define VCL_CONCEPTS_LOGGER_H
 
#include <vclib/concepts/const_correctness.h>
#include <vclib/types.h>
 
#include <string>
 
namespace vcl {
 
template<typename T>
concept LoggerConcept = requires (
    T&&                             obj,
    std::string                     str,
    uint                            n,
    typename RemoveRef<T>::LogLevel lvl) {
    // inner types
    typename RemoveRef<T>::LogLevel;
 
    { obj.time() } -> std::same_as<double>;
    { obj.percentage() } -> std::same_as<double>;
 
    { obj.log(str) } -> std::same_as<void>;
    { obj.log(str, lvl) } -> std::same_as<void>;
 
    // non const requirements
    requires IsConst<T> || requires {
        { obj.enableIndentation() } -> std::same_as<void>;
        { obj.disableIndentation() } -> std::same_as<void>;
        { obj.enablePrintPercentage() } -> std::same_as<void>;
        { obj.disablePrintPercentage() } -> std::same_as<void>;
        { obj.setPrintLevel(lvl) } -> std::same_as<void>;
        { obj.enablePrintMessageDuringProgress() } -> std::same_as<void>;
        { obj.disablePrintMessageDuringProgress() } -> std::same_as<void>;
        { obj.enablePrintTimer() } -> std::same_as<void>;
        { obj.disablePrintTimer() } -> std::same_as<void>;
 
        { obj.reset() } -> std::same_as<void>;
 
        { obj.setMaxLineWidth(n) } -> std::same_as<void>;
        { obj.startTimer() } -> std::same_as<void>;
        { obj.stopTimer() } -> std::same_as<void>;
 
        { obj.startNewTask(double(), double(), str) } -> std::same_as<void>;
        { obj.endTask(str) } -> std::same_as<void>;
 
        { obj.setPercentage(n) } -> std::same_as<void>;
 
        { obj.log(n, str) } -> std::same_as<void>;
        { obj.log(n, str, lvl) } -> std::same_as<void>;
 
        { obj.startProgress(str, n) } -> std::same_as<void>;
        { obj.startProgress(str, n, n) } -> std::same_as<void>;
        { obj.startProgress(str, n, n, n) } -> std::same_as<void>;
        { obj.startProgress(str, n, n, n, n) } -> std::same_as<void>;
        { obj.endProgress() } -> std::same_as<void>;
        { obj.progress(n) } -> std::same_as<void>;
    };
};
 
} // namespace vcl
 
#endif // VCL_CONCEPTS_LOGGER_H