Console.hh

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/*
 * Copyright 2012 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/
/*
 * Desc: Gazebo Message
 * Author: Nathan Koenig
 * Date: 09 June 2007
 */

#ifndef _GAZEBO_CONSOLE_HH_
#define _GAZEBO_CONSOLE_HH_

#include <iostream>
#include <fstream>
#include <string>

#include "gazebo/common/SingletonT.hh"
#include "gazebo/common/CommonTypes.hh"

namespace gazebo
{
  namespace common
  {

    #define gzmsg (gazebo::common::Console::Instance()->ColorMsg("Msg", 32))

    #define gzdbg (gazebo::common::Console::Instance()->ColorMsg("Dbg", 36))

    #define gzwarn (gazebo::common::Console::Instance()->ColorErr("Warning", \
          __FILE__, __LINE__, 33))

    #define gzerr (gazebo::common::Console::Instance()->ColorErr("Error", \
          __FILE__, __LINE__, 31))

    #define gzlog (gazebo::common::Console::Instance()->Log())

    #define gzclr_start(clr) "\033[1;33m"

    #define gzclr_end "\033[0m"



    class Console : public SingletonT<Console>
    {
      private: Console();

      private: virtual ~Console();

      public: void Init(const std::string &_logFilename);

      public: bool IsInitialized() const;

      public: void SetQuiet(bool _q);

      public: bool GetQuiet() const;

      public: std::ostream &ColorMsg(const std::string &_lbl, int _color);

      public: std::ofstream &Log();

      public: std::ostream &ColorErr(const std::string &_lbl,
                  const std::string &_file, unsigned int _line, int _color);


      private: class NullStream : public std::ostream
               {
                 public: NullStream() : std::ios(0), std::ostream(0) {}
               };

      private: NullStream nullStream;

      private: std::ostream *msgStream;

      private: std::ostream *errStream;

      private: std::ofstream *logStream;

      private: bool quiet;

      private: friend class SingletonT<Console>;
    };
  }
}
#endif