/*
* libopenraw - trace.h
*
* Copyright (C) 2006-2015 Hubert Figuiere
*
* This library 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.
*
* This library 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 this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef OR_INTERNALS_TRACE_H_
#define OR_INTERNALS_TRACE_H_
#include <string>
#include <vector>
#include <algorithm>
#include <libopenraw/debug.h>
namespace Debug {
/** Log debug messages. printf format.
* @param fmt the formt string, printf style
* @param func the func name
*/
void log(debug_level level, const char* fmt, ...)
__attribute__ ((format (printf, 2, 3)));
#define LOGWARN(...) \
Debug::log(WARNING, ## __VA_ARGS__)
#define LOGERR(...) \
Debug::log(ERROR, ## __VA_ARGS__)
#define LOGDBG1(...) \
Debug::log(DEBUG1, ## __VA_ARGS__)
#define LOGDBG2(...) \
Debug::log(DEBUG2, ## __VA_ARGS__)
/** a basic Trace class for debug */
class Trace
{
public:
Trace(debug_level level)
: m_level(level)
{
}
Trace & operator<<(int i);
Trace & operator<<(const char * s);
Trace & operator<<(void *);
Trace & operator<<(const std::string & s);
template <class T>
Trace & operator<<(const std::vector<T> & v);
static void setDebugLevel(debug_level lvl);
private:
friend void log(debug_level level, const char* fmt, ...);
static void print(int i);
static int debugLevel; // global debug level
int m_level;
};
template <class T>
Trace & Trace::operator<<(const std::vector<T> & v)
{
if (m_level <= debugLevel) {
std::for_each(v.cbegin(), v.cend(),
[](T a) {
print(a);
});
}
return *this;
}
}
#endif
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0))
tab-width:2
c-basic-offset:2
indent-tabs-mode:nil
fill-column:80
End:
*/