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/* Copyright © 2007, 2008, 2009 Jakub Wilk
*
* This package 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; version 2 dated June, 1991.
*/
#include "debug.hh"
class DevNull : public std::ostream
{
public:
DevNull()
: std::ostream(0)
{ }
};
static DevNull static_dev_null;
std::ostream &dev_null = static_dev_null;
DebugStream error_log(std::cerr);
static DebugStream null_debug(dev_null);
static DebugStream full_debug(std::clog);
DebugStream &debug(int n, int threshold)
{
if (n <= threshold)
return full_debug;
else
return null_debug;
}
void DebugStream::indent()
{
unsigned int level = this->level;
if (level > 0)
{
while (level-- > 1)
this->ostream << " ";
this->ostream << "- ";
}
}
DebugStream &operator<<(DebugStream &stream, std::ostream& (*pf)(std::ostream&))
{
if (pf == static_cast<std::ostream& (*)(std::ostream&)>(std::endl))
stream.started = false;
stream.ostream << pf;
return stream;
}
// vim:ts=2 sw=2 et
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