ipopt_uout_journal.hpp

/*
 *    This file is part of CasADi.
 *
 *    CasADi -- A symbolic framework for dynamic optimization.
 *    Copyright (C) 2010-2023 Joel Andersson, Joris Gillis, Moritz Diehl,
 *                            KU Leuven. All rights reserved.
 *    Copyright (C) 2011-2014 Greg Horn
 *
 *    CasADi is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation; either
 *    version 3 of the License, or (at your option) any later version.
 *
 *    CasADi 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
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with CasADi; if not, write to the Free Software
 *    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */
 
 
#ifndef CASADI_IPOPT_UOUT_JOURNAL_HPP
#define CASADI_IPOPT_UOUT_JOURNAL_HPP
 
#include "casadi/core/casadi_logger.hpp"
#include <IpJournalist.hpp>
#include <cstdarg>
#include <cstdio>
#include <string>
#include <vector>
 
namespace casadi {
 
  class UoutJournal : public Ipopt::Journal {
  public:
    UoutJournal(const std::string& name, Ipopt::EJournalLevel default_level)
      : Ipopt::Journal(name, default_level) {}
 
  protected:
    void PrintImpl(Ipopt::EJournalCategory, Ipopt::EJournalLevel, const char* str) override {
      uout() << str;
    }
 
    void PrintfImpl(Ipopt::EJournalCategory, Ipopt::EJournalLevel,
        const char* pformat, va_list ap) override {
      va_list ap2;
      va_copy(ap2, ap);
      int n = std::vsnprintf(nullptr, 0, pformat, ap2);
      va_end(ap2);
      if (n < 0) return;
      std::vector<char> buf(n + 1);
      std::vsnprintf(buf.data(), buf.size(), pformat, ap);
      uout() << buf.data();
    }
 
    void FlushBufferImpl() override {
      uout().flush();
    }
  };
 
} // namespace casadi
 
#endif // CASADI_IPOPT_UOUT_JOURNAL_HPP