log.hpp
/* This file is part of Raul.
* Copyright (C) 2009 David Robillard <http://drobilla.net>
*
* Raul is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* Raul 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 General Public License for details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef RAUL_LOG_HPP
#define RAUL_LOG_HPP
#include <iostream>
#include <sstream>
#include <string>
namespace Raul {
class LogBuffer : public std::streambuf
{
public:
enum Colour {
DEFAULT = 0,
RED = 31,
GREEN,
YELLOW,
BLUE,
MAGENTA,
CYAN,
WHITE
};
LogBuffer(const char* prefix="", Colour colour=DEFAULT)
: _prefix(prefix)
, _colour(colour)
, _out(std::cout)
{}
std::string colour(Colour c);
std::string plain();
protected:
int_type overflow(int_type c) {
if (c == '\n')
emit();
else if (c != traits_type::eof())
_line += c;
return c;
}
int sync() {
if (!_line.empty())
emit();
return 0;
}
private:
void emit();
const char* _prefix;
Colour _colour;
std::string _line;
std::ostream& _out;
};
class NullBuffer : public std::streambuf
{
protected:
int_type overflow(int_type c) { return c; }
int sync() { return 0; }
};
extern std::ostream info;
extern std::ostream warn;
extern std::ostream error;
extern std::ostream debug;
} // namespace Raul
#endif // RAUL_LOG_HPP
Raul::LogBuffer::plain
std::string plain()
Reset the colour of the output, e.g.
Definition: log.cpp:65
Raul
Definition: Array.hpp:26
Raul::LogBuffer
Buffer for (possibly coloured) log printing.
Definition: log.hpp:30
Raul::LogBuffer::colour
std::string colour(Colour c)
Change the colour of the output, e.g.
Definition: log.cpp:56