MQLArticles/Utils/FA/SimpleLogger.mqh

<EFBFBD><EFBFBD>//+------------------------------------------------------------------+
//|                                                 SimpleLogger.mqh |
//|                                  Copyright 2025, Niquel Mendoza. |
//|                     https://www.mql5.com/es/users/nique_372/news |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, Niquel Mendoza."
#property link      "https://www.mql5.com/es/users/nique_372/news"
#property strict


#ifndef MQLARTICLES_UTILS_FA_SIMPLELOGGER_MQH
#define MQLARTICLES_UTILS_FA_SIMPLELOGGER_MQH

//+------------------------------------------------------------------+
//| Defines                                                          |
//+------------------------------------------------------------------+
//--- Macro
#define FUNCION_ACTUAL __FUNCTION__

//--- Log Flags
#define LOG_LEVEL_ERROR    1    // 0001 - Critical errors
#define LOG_LEVEL_WARNING  2    // 0010 - Warnings
#define LOG_LEVEL_INFO     4    // 0100 - General information
#define LOG_LEVEL_CAUTION  8    // 1000 - Cautions
#define LOG_ALL LOG_LEVEL_CAUTION|LOG_LEVEL_INFO|LOG_LEVEL_WARNING

//---
enum ENUM_VERBOSE_LOG_LEVEL
 {
  VERBOSE_LOG_LEVEL_ERROR_ONLY    = LOG_LEVEL_ERROR,             // Only Errors
  VERBOSE_LOG_LEVEL_WARNINGS      = LOG_LEVEL_WARNING,           // Warnings + Errors
  VERBOSE_LOG_LEVEL_INFO          = LOG_LEVEL_INFO,              // Info + Errors
  VERBOSE_LOG_LEVEL_CAUTION       = LOG_LEVEL_CAUTION,           // Caution + Errors
  VERBOSE_LOG_LEVEL_WARNINGS_INFO = LOG_LEVEL_WARNING | LOG_LEVEL_INFO,           // Warnings + Info + Errors
  VERBOSE_LOG_LEVEL_WARNINGS_CAUTION = LOG_LEVEL_WARNING | LOG_LEVEL_CAUTION,     // Warnings + Caution + Errors
  VERBOSE_LOG_LEVEL_INFO_CAUTION  = LOG_LEVEL_INFO | LOG_LEVEL_CAUTION,           // Info + Caution + Errors
  VERBOSE_LOG_LEVEL_ALL           = (LOG_LEVEL_WARNING | LOG_LEVEL_INFO | LOG_LEVEL_CAUTION)  // All: Warnings + Info + Caution + Errors
 };

#define WARNING_TEXT "WARNING"
#define CAUTION_TEXT "CAUTION"
#define INFO_TEXT "INFO"
#define ERROR_TEXT "ERROR"
#define CRITICAL_ERROR_TEXT "CRITICAL ERROR"
#define FATAL_ERROR_TEXT "FATAL ERROR"


//+------------------------------------------------------------------+
//| Base Logging Class with Flag System                              |
//+------------------------------------------------------------------+
class CLoggerBase
 {
private:
  uint8_t            m_log_flags;         // Active logging flags
  uint8_t            m_last_flags;        // Last active logging flags

  //---
  bool               m_warning_enable;
  bool               m_caution_enable;
  bool               m_info_enable;

  //--- Main logging method with flags
  inline void        RemoveFlag(uint8_t flags) { this.m_log_flags &= ~flags; }
  void               UpdateLogLevels();

protected:
  //--- Flag-specific methods  
  static inline void LogError(const string &message, const string &function);
  inline void        LogWarning(const string &message, const string &function)  const;
  inline void        LogInfo(const string &message, const string &function)  const;
  inline void        LogCaution(const string &message, const string &function)  const;
  static inline void LogFatalError(const string &message, const string &function);
  static inline void LogCriticalError(const string &message, const string &function);


public:
                     CLoggerBase();

  //--- Methods to check if a flag is active 
  inline bool        IsWarningLogEnabled() const { return m_warning_enable; }
  inline bool        IsInfoLogEnabled() const { return m_info_enable; }
  inline bool        IsCautionLogEnabled() const { return m_caution_enable; }

  //--- Getters
  inline uint8_t     LogFlags() const { return m_log_flags; }
  inline bool        IsLogEnabled(uint8_t flag) const { return (m_log_flags & flag) != 0; }

  //--- Main configuration using flags
  virtual inline     void AddLogFlags(const uint8_t flags);
  virtual void       RemoveLogFlags(const uint8_t flags);
  inline void        ResetLastStateFlags() { this.m_log_flags = m_last_flags; }

  //--- Disbale and Enable all logs
  virtual void       EnableAllLogs();
  virtual void       DisableAllLogs();
 };

//+------------------------------------------------------------------+
//| Constructor                                                      |
//+------------------------------------------------------------------+
CLoggerBase::CLoggerBase(void)
 {
  this.m_log_flags = LOG_LEVEL_ERROR;
  this.m_last_flags = LOG_LEVEL_ERROR;
  UpdateLogLevels();
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CLoggerBase::DisableAllLogs()
 {
  m_log_flags = LOG_LEVEL_ERROR;
  UpdateLogLevels();
 }

//+------------------------------------------------------------------+
void CLoggerBase::EnableAllLogs(void)
 {
  m_log_flags |= LOG_ALL;
  UpdateLogLevels();
 }

//+------------------------------------------------------------------+
inline void CLoggerBase::AddLogFlags(const uint8_t flags)
 {
  this.m_last_flags = m_log_flags;
  m_log_flags |= flags;
  UpdateLogLevels();
 }

//+------------------------------------------------------------------+
void CLoggerBase::RemoveLogFlags(const uint8_t flags)
 {
  this.m_last_flags = m_log_flags;
  uint8_t safe_flags = flags & ~LOG_LEVEL_ERROR;
  RemoveFlag(safe_flags);
  m_log_flags |= LOG_LEVEL_ERROR;
  UpdateLogLevels();
 }

//+------------------------------------------------------------------+
//| M<EFBFBD>todo principal de logging                                      |
//+------------------------------------------------------------------+
#define FastLog(function, class_info, message) ::Print("[", class_info, "] ", function, " | ", message)

//+------------------------------------------------------------------+
//| M<EFBFBD>todos espec<EFBFBD>ficos por flag                                     |
//+------------------------------------------------------------------+
static inline void CLoggerBase::LogError(const string &message, const string& function)
 {
  FastLog(function, ERROR_TEXT, message);
 }
//+------------------------------------------------------------------+
static inline void CLoggerBase::LogCriticalError(const string &message, const string& function)
 {
  FastLog(function, CRITICAL_ERROR_TEXT, message);
 }
//+------------------------------------------------------------------+
static inline void CLoggerBase::LogFatalError(const string &message, const string& function)
 {
  FastLog(function, FATAL_ERROR_TEXT, message);
 }
//+------------------------------------------------------------------+
inline void CLoggerBase::LogWarning(const string &message, const string& function) const
 {
  if(m_warning_enable)
    FastLog(function, WARNING_TEXT, message);
 }
//+------------------------------------------------------------------+
inline void CLoggerBase::LogInfo(const string &message, const string& function) const
 {
  if(m_info_enable)
    FastLog(function, INFO_TEXT, message);
 }
//+------------------------------------------------------------------+
inline void CLoggerBase::LogCaution(const string &message, const string& function) const
 {
  if(m_caution_enable)
    FastLog(function, CAUTION_TEXT, message);
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void CLoggerBase::UpdateLogLevels(void)
 {
  this.m_warning_enable = (m_log_flags & LOG_LEVEL_WARNING) != 0;
  this.m_info_enable = (m_log_flags & LOG_LEVEL_INFO) != 0;
  this.m_caution_enable = (m_log_flags & LOG_LEVEL_CAUTION) != 0;
 }

#endif 
//+------------------------------------------------------------------+