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#ifndef NETGEN_CORE_LOGGING_HPP
#define NETGEN_CORE_LOGGING_HPP
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include "exception.hpp"
#include "ngcore_api.hpp"
#include "utils.hpp"
#ifndef NETGEN_DEBUG_LOG
#define NETGEN_DEBUG_LOG(logger, ...)
#endif // NETGEN_DEBUG_LOG
namespace spdlog
{
class logger;
} // namespace spdlog
namespace ngcore
{
NGCORE_API extern std::ostream* testout; // NOLINT
namespace level
{
enum level_enum
{
trace = 0,
debug = 1,
info = 2,
warn = 3,
err = 4,
critical = 5,
off = 6
};
} // namespace level
class Logger
{
static NGCORE_API level::level_enum global_level;
public:
static auto SetGlobalLoggingLevel( level::level_enum level )
{
auto oldval = global_level;
global_level = level;
return oldval;
}
std::shared_ptr<spdlog::logger> logger;
Logger(std::shared_ptr<spdlog::logger> l) : logger(std::move(l)) {}
void NGCORE_API log( level::level_enum level, std::string && s);
template<typename T>
std::string replace(std::string s, const T & t)
{
auto p0 = s.find_first_of('{');
auto p1 = s.find_first_of('}', p0);
if(p0==std::string::npos || p1==std::string::npos)
throw Exception("invalid format string");
s.replace(p0, p1-p0+1, ToString(t));
return s;
}
std::string log_helper(std::string s)
{
return s;
}
template<typename T>
std::string log_helper(std::string s, const T &t)
{
return replace(s,t);
}
template<typename T, typename ... Args>
std::string log_helper( std::string s, const T &t, Args ... args)
{
return log_helper(replace(s,t), args...);
}
template<typename ... Args>
void log( level::level_enum level, const char* str, Args ... args)
{
log(level, log_helper(std::string(str), args...));
}
template<typename ... Args>
void trace( const char* str, Args ... args) { log(level::level_enum::trace, str, args...); }
template<typename ... Args>
void debug( const char* str, Args ... args) { log(level::level_enum::debug, str, args...); }
template<typename ... Args>
void info( const char* str, Args ... args) { log(level::level_enum::info, str, args...); }
template<typename ... Args>
void warn( const char* str, Args ... args) { log(level::level_enum::warn, str, args...); }
template<typename ... Args>
void error( const char* str, Args ... args) { log(level::level_enum::err, str, args...); }
template<typename ... Args>
void critical( const char* str, Args ... args) { log(level::level_enum::critical, str, args...); }
};
NGCORE_API std::shared_ptr<Logger> GetLogger(const std::string& name);
NGCORE_API void SetLoggingLevel(level::level_enum level, const std::string& name);
NGCORE_API void AddFileSink(const std::string& filename, level::level_enum level, const std::string& logger);
NGCORE_API void AddConsoleSink(level::level_enum level, const std::string& logger);
NGCORE_API void ClearLoggingSinks(const std::string& logger);
NGCORE_API void FlushOnLoggingLevel(level::level_enum level, const std::string& logger);
} // namespace ngcore
#endif // NETGEN_CORE_LOGGING_HPP
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