SimpleLogger.h

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#ifndef NVNEURAL_SIMPLELOGGER_H
#define NVNEURAL_SIMPLELOGGER_H
 
#include <nvneural/CoreTypes.h>
#include <nvneural/CoreHelpers.h>
 
#include <cstdarg>
#include <iostream>
 
namespace nvneural {
 
class SimpleLogger : public nvneural::refobj::RefObjectBase<
    nvneural::refobj::Implements<nvneural::ILogger>>
{
public:
    explicit SimpleLogger(VerbosityLevel verbosity);
 
    void setVerbosity(VerbosityLevel verbosity);
 
    void redirectAllOutput(std::ostream& destination);
 
    // ILogger implementations
 
    VerbosityLevel verbosity() const noexcept final;
 
    nvneural::NeuralResult log(VerbosityLevel verbosity, const char* format, ...) noexcept final;
 
    nvneural::NeuralResult logWarning(VerbosityLevel verbosity, const char* format, ...) noexcept final;
 
    nvneural::NeuralResult logError(VerbosityLevel verbosity, const char* format, ...) noexcept final;
 
private:
    VerbosityLevel m_verbosity = 0;
    std::ostream* m_normalDestination = &std::cout;
    std::ostream* m_severeDestination = &std::cerr;
 
    nvneural::NeuralResult logImpl(VerbosityLevel verbosity, std::ostream& streamOut, const char* prefix, const char* format, va_list formatArgs) noexcept;
 
    static nvneural::NeuralResult writeFormattedLog(std::ostream& streamOut, const char* prefix, char* formattedMessage);
};
 
} // namespace nvneural
 
#endif // NVNEURAL_SIMPLELOGGER_H