logger.h

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/*
 * Copyright (c) 2012-2017, Association Scientifique pour la Geologie et ses
 * Applications (ASGA). All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of ASGA nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ASGA BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 *
 *     http://www.ring-team.org
 *
 *     RING Project
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 */

#pragma once

#include <ringmesh/basic/common.h>

#include <mutex>

#include <geogram/basic/logger.h>

namespace RINGMesh
{
    class RINGMESH_API Logger
    {
    public:
        static void div( const std::string& title )
        {
            std::lock_guard< std::mutex > lock( lock_ );
            GEO::Logger::div( title );
        }

        template < typename... Args >
        static void out( const std::string& feature, const Args&... args )
        {
            std::lock_guard< std::mutex > lock( lock_ );
            log( GEO::Logger::out( feature ), args... );
        }

        template < typename... Args >
        static void err( const std::string& feature, const Args&... args )
        {
            std::lock_guard< std::mutex > lock( lock_ );
            log( GEO::Logger::err( feature ), args... );
        }

        template < typename... Args >
        static void warn( const std::string& feature, const Args&... args )
        {
            std::lock_guard< std::mutex > lock( lock_ );
            log( GEO::Logger::warn( feature ), args... );
        }

        static GEO::Logger* instance()
        {
            return GEO::Logger::instance();
        }

    private:
        static void log( std::ostream& os )
        {
            os << std::endl;
        }

        template < class A0, class... Args >
        static void log( std::ostream& os, const A0& a0, const Args&... args )
        {
            os << a0;
            log( os, args... );
        }

    private:
        static std::mutex lock_;
    };

} // namespace RINGMesh