flex_ostream.cpp

// Copyright 2009-2018 Toby Schneider (http://gobysoft.org/index.wt/people/toby)
//                     GobySoft, LLC (2013-)
//                     Massachusetts Institute of Technology (2007-2014)
//                     Community contributors (see AUTHORS file)
//
//
// This file is part of the Goby Underwater Autonomy Project Libraries
// ("The Goby Libraries").
//
// The Goby Libraries are free software: you can redistribute them and/or modify
// them under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 2.1 of the License, or
// (at your option) any later version.
//
// The Goby Libraries are distributed in the hope that they will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Goby.  If not, see <http://www.gnu.org/licenses/>.

#include "goby/common/logger/flex_ostream.h"
#include "goby/common/exception.h"
#include "logger_manipulators.h"

using namespace goby::common::logger;

// boost::shared_ptr<goby::common::FlexOstream> goby::common::FlexOstream::inst_;

// goby::common::FlexOstream& goby::common::glogger()
// {
//     if(!FlexOstream::inst_) FlexOstream::inst_.reset(new FlexOstream());
//     return(*FlexOstream::inst_);
// }

int goby::common::FlexOstream::instances_ = 0;

goby::common::FlexOstream goby::glog;

void goby::common::FlexOstream::add_group(const std::string& name,
                                          Colors::Color color /*= Colors::nocolor*/,
                                          const std::string& description /*= ""*/)
{
    {
        boost::recursive_mutex::scoped_lock l(goby::common::logger::mutex);

        if (description.empty())
        {
            Group ng(name, name, color);
            sb_.add_group(name, ng);
        }
        else
        {
            Group ng(name, description, color);
            sb_.add_group(name, ng);
        }
    }

    this->is(VERBOSE) &&
        *this << "Adding FlexOstream group: " << TermColor::esc_code_from_col(color) << name
              << TermColor::esc_code_from_col(Colors::nocolor) << " (" << description << ")"
              << std::endl;
}

std::ostream& goby::common::FlexOstream::operator<<(std::ostream& (*pf)(std::ostream&))
{
    if (pf == die)
        sb_.set_die_flag(true);
    set_unset_verbosity();
    return std::ostream::operator<<(pf);
}

bool goby::common::FlexOstream::is(logger::Verbosity verbosity)
{
    assert(sb_.verbosity_depth() == logger::UNKNOWN || lock_action_ != logger_lock::lock);

    bool display = (sb_.highest_verbosity() >= verbosity) || (verbosity == logger::DIE);

    if (display)
    {
        if (sb_.lock_action() == logger_lock::lock)
        {
            goby::common::logger::mutex.lock();
        }

        sb_.set_verbosity_depth(verbosity);

        switch (verbosity)
        {
            case QUIET: break;
            case WARN: *this << warn; break;
            case UNKNOWN:
            case VERBOSE: *this << verbose; break;
            case DEBUG1: *this << debug1; break;
            case DEBUG2: *this << debug2; break;
            case DEBUG3: *this << debug3; break;
            case DIE: *this << die; break;
        }
    }

    return display;
}