LogStream.h

// Copyright (C) 2003-2009 Anders Logg
//
// This file is part of DOLFIN.
//
// DOLFIN 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.
//
// DOLFIN 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 DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// Modified by Garth N. Wells 2005.
 
#ifndef __LOG_STREAM_H
#define __LOG_STREAM_H
 
#include <complex>
#include <string>
#include <sstream>
 
namespace dolfin
{
 
  class Variable;
  class MeshEntity;
  class MeshEntityIterator;
  class Point;

 
  class LogStream
  {
  public:

    enum class Type {COUT, ENDL};

    LogStream(Type type);

    ~LogStream();

    LogStream& operator<< (const LogStream& stream);

    LogStream& operator<< (const std::string& s);

    LogStream& operator<< (int a);

    LogStream& operator<< (unsigned int a);

    LogStream& operator<< (long int a);

    LogStream& operator<< (long unsigned int a);

    LogStream& operator<< (double a);

    LogStream& operator<< (std::complex<double> z);

    LogStream& operator<< (const Variable& variable);

    LogStream& operator<< (const MeshEntity& entity);

    LogStream& operator<< (const Point& point);

    void setprecision(std::streamsize n);
 
  private:
 
    // Type of stream
    Type _type;
 
    // Buffer
    std::stringstream buffer;
 
  };

  extern LogStream cout;

  extern LogStream endl;
 
}
 
#endif