ilogger.h

Go to the documentation of this file.

#ifndef __COMMON_ILOGGER_H
#  define __COMMON_ILOGGER_H

#include "libcommon.h"

#include <QObject>
#include <QString>
#include <QByteArray>


namespace eVaf {
namespace Common {

typedef void (*FatalMsgHandler)(QString const & msg, QString const & source, QString const & where);

class COMMON_EXPORT iLogger : public QObject
{
    Q_OBJECT

public:

    enum Severity {
        None = 0,   
        Fatal,      
        Error,      
        Warning,    
        Info,       
        Debug,      
        Count       
    };

    iLogger() : QObject() {}

    virtual ~iLogger() {}

    static iLogger * instance();

    virtual QString defaultSource() const = 0;

    virtual void setDefaultSource(QString const & source) = 0;

    virtual Severity severity(QString const & source = 0) = 0;

    virtual void setSeverity(Severity severity, QString const & source = 0) = 0;

    virtual uint maxSize(QString const & source = 0) = 0;

    virtual void setMaxSize(uint maxSize, QString const & source = 0) = 0;

    virtual uint maxCount(QString const & source = 0) = 0;

    virtual void setMaxCount(uint maxCount, QString const & source = 0) = 0;

    virtual Severity consoleSeverity() const = 0;

    virtual void setConsoleSeverity(Severity severity) = 0;

    virtual void write(Severity severity, QString const & msg, QString const & source = 0, QString const & where = 0) = 0;

    virtual QString printf(char const * const fmt, ...) const
#ifdef Q_OS_LINUX
            __attribute__((format(printf, 2, 3)))
#endif
            = 0;

    virtual QString printable(QByteArray const & msg) const = 0;

    virtual FatalMsgHandler installFatalMsgHandler(FatalMsgHandler newHandler) = 0;


signals:

    void loggerEvent(Common::iLogger::Severity severity, QString const & text, QString const & source, QString const & where);

};

} // namespace eVaf::Common
} // namespace eVaf

#define EVAF_FATAL_ERROR(...) \
    do { \
        eVaf::Common::iLogger::instance()->write( \
            eVaf::Common::iLogger::Fatal, \
            eVaf::Common::iLogger::instance()->printf(__VA_ARGS__), \
            0, \
            eVaf::Common::iLogger::instance()->printf("%s:%s:%d", __FILE__, __FUNCTION__, __LINE__) \
        ); \
    } while (0)

#define EVAF_ERROR(...) \
    do { \
        eVaf::Common::iLogger::instance()->write( \
            eVaf::Common::iLogger::Error, \
            eVaf::Common::iLogger::instance()->printf(__VA_ARGS__), \
            0, \
            eVaf::Common::iLogger::instance()->printf("%s:%s:%d", __FILE__, __FUNCTION__, __LINE__) \
        ); \
    } while (0)

#define EVAF_WARNING(...) \
    do { \
        eVaf::Common::iLogger::instance()->write( \
            eVaf::Common::iLogger::Warning, \
            eVaf::Common::iLogger::instance()->printf(__VA_ARGS__), \
            0, \
            eVaf::Common::iLogger::instance()->printf("%s:%s:%d", __FILE__, __FUNCTION__, __LINE__) \
        ); \
    } while (0)

#define EVAF_INFO(...) \
    do { \
        eVaf::Common::iLogger::instance()->write( \
            eVaf::Common::iLogger::Info, \
            eVaf::Common::iLogger::instance()->printf(__VA_ARGS__), \
            0, \
            eVaf::Common::iLogger::instance()->printf("%s:%s:%d", __FILE__, __FUNCTION__, __LINE__) \
        ); \
    } while (0)

#ifndef NDEBUG
#  define EVAF_DEBUG(...) \
    do { \
        eVaf::Common::iLogger::instance()->write( \
            eVaf::Common::iLogger::Debug, \
            eVaf::Common::iLogger::instance()->printf(__VA_ARGS__), \
            0, \
            eVaf::Common::iLogger::instance()->printf("%s:%s:%d", __FILE__, __FUNCTION__, __LINE__) \
        ); \
    } while (0)
#else
#  define EVAF_DEBUG(...) \
    do { } while (0)
#endif

#endif // ilogger.h